{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970869,"usec":703154},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.875708,"noise_level":-22.450634,"freq_skew":3.798698,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970870,"usec":439404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.435601,"noise_level":-22.257011,"freq_skew":4.562925,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970871,"usec":217482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.000813,"noise_level":-21.914680,"freq_skew":3.580154,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970874,"usec":286692},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.059411,"noise_level":-22.976433,"freq_skew":4.372037,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSP","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR18WL","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970875,"usec":36991},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607710,"noise_level":-23.242908,"freq_skew":4.404649,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970875,"usec":812341},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242864,"noise_level":-23.390448,"freq_skew":4.426328,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970878,"usec":93540},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734529,"noise_level":-23.100140,"freq_skew":4.165740,"avlc":{"src":{"addr":"4B028D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":602,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":10,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970878,"usec":844546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.665870,"noise_level":-22.831287,"freq_skew":6.205483,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970878,"usec":845413},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590271,"noise_level":-22.819263,"freq_skew":2.182147,"avlc":{"src":{"addr":"502D5D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970880,"usec":409112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297365,"noise_level":-22.238300,"freq_skew":3.910701,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970884,"usec":187505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400797,"noise_level":-21.580456,"freq_skew":2.054605,"avlc":{"src":{"addr":"502D5D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970888,"usec":786753},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734807,"noise_level":-20.201412,"freq_skew":2.274314,"avlc":{"src":{"addr":"502D5D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABL","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"BT2614","msg_num":"822","msg_num_seq":"G","sublabel":"T8","msg_text":"00,20878,20878,00800,40800,00000,00000,00000,00000,00001,00001,109890,106,106,739035,739039,717,: "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970888,"usec":787479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524986,"noise_level":-20.201412,"freq_skew":4.411942,"avlc":{"src":{"addr":"4B028D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970891,"usec":64101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748985,"noise_level":-19.872026,"freq_skew":2.010758,"avlc":{"src":{"addr":"502D5D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970891,"usec":65474},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.470325,"noise_level":-20.566021,"freq_skew":4.089057,"avlc":{"src":{"addr":"4B028D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-AZD","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"2L043E","msg_num":"M62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970891,"usec":819373},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.911460,"noise_level":-22.433388,"freq_skew":3.059177,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":167,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970892,"usec":576397},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605529,"noise_level":-22.691254,"freq_skew":4.068326,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970893,"usec":386289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070481,"noise_level":-24.984026,"freq_skew":3.761972,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970895,"usec":646244},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.384860,"noise_level":-25.108358,"freq_skew":3.193340,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":167,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970897,"usec":172531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396358,"noise_level":-24.231394,"freq_skew":8.027956,"avlc":{"src":{"addr":"3D7829","type":"Aircraft","status":"Airborne"},"dst":{"addr":"211657","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970897,"usec":935933},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806787,"noise_level":-23.790361,"freq_skew":4.701839,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11591,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[53,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970898,"usec":681675},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521389,"noise_level":-23.604237,"freq_skew":4.852911,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11591,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[146,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":21,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970899,"usec":468612},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933647,"noise_level":-23.720949,"freq_skew":4.474821,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970902,"usec":541953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915058,"noise_level":-24.237373,"freq_skew":4.249517,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970905,"usec":559393},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644563,"noise_level":-23.049173,"freq_skew":3.938772,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":441,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":7,"ack":3,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,70,73,78,0,70,31,106],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970905,"usec":569583},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030827,"noise_level":-23.271603,"freq_skew":3.841140,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970906,"usec":315224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048858,"noise_level":-23.379995,"freq_skew":5.209241,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970906,"usec":331293},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031404,"noise_level":-23.202372,"freq_skew":4.298643,"avlc":{"src":{"addr":"4B028D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970910,"usec":153042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024672,"noise_level":-23.524847,"freq_skew":3.984038,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970912,"usec":449692},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936896,"noise_level":-24.577320,"freq_skew":4.017045,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970913,"usec":196162},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815800,"noise_level":-25.333378,"freq_skew":3.940777,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":445,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970915,"usec":497527},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917772,"noise_level":-24.967451,"freq_skew":5.415116,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11612,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[253,1,97,106]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970917,"usec":774129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905637,"noise_level":-25.310881,"freq_skew":5.359485,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970918,"usec":551802},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453002,"noise_level":-24.879295,"freq_skew":5.136768,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970919,"usec":300032},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647862,"noise_level":-25.195641,"freq_skew":5.107085,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970919,"usec":314444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861370,"noise_level":-26.114346,"freq_skew":1.990959,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970920,"usec":93568},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739435,"noise_level":-26.891598,"freq_skew":5.270387,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":12,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":4481,"dst_ref":11612,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[40,229,229,161]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970921,"usec":632757},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710577,"noise_level":-28.525713,"freq_skew":5.125179,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970923,"usec":148904},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413905,"noise_level":-28.229334,"freq_skew":5.265688,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970923,"usec":150963},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.472574,"noise_level":-28.184645,"freq_skew":2.629997,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970925,"usec":409495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.931971,"noise_level":-26.940876,"freq_skew":2.447381,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970926,"usec":170548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756100,"noise_level":-26.325821,"freq_skew":5.374290,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970926,"usec":971998},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706515,"noise_level":-27.902565,"freq_skew":5.379272,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":16,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":11615,"variable_part_params":[{"name":"checksum","value":[224,3]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970927,"usec":744965},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.589209,"noise_level":-27.298397,"freq_skew":4.529014,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":8.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970927,"usec":749489},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488727,"noise_level":-27.198351,"freq_skew":4.704706,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11602,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[139,251,168,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970927,"usec":749489},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.488727,"noise_level":-27.198351,"freq_skew":4.704706,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11602,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[246,3,18,149]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":22,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970930,"usec":766203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364763,"noise_level":-25.874428,"freq_skew":5.286871,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970934,"usec":608233},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265445,"noise_level":-24.455471,"freq_skew":4.547041,"avlc":{"src":{"addr":"3E854F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":94,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970936,"usec":127033},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.504721,"noise_level":-24.055573,"freq_skew":4.755783,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970936,"usec":886784},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350266,"noise_level":-24.079084,"freq_skew":4.882396,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11602,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[254,155,163,76]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970943,"usec":3458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191514,"noise_level":-22.173605,"freq_skew":4.233230,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970943,"usec":755509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859252,"noise_level":-22.725281,"freq_skew":4.492077,"avlc":{"src":{"addr":"3E854F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970958,"usec":259266},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231902,"noise_level":-19.782436,"freq_skew":7.800006,"avlc":{"src":{"addr":"3D7829","type":"Aircraft","status":"Airborne"},"dst":{"addr":"211657","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970959,"usec":14516},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189440,"noise_level":-19.589752,"freq_skew":4.546855,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970970,"usec":484105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887344,"noise_level":-17.911884,"freq_skew":4.325712,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970978,"usec":879384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436678,"noise_level":-17.294992,"freq_skew":1.454647,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970981,"usec":955340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839943,"noise_level":-17.305433,"freq_skew":4.505229,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970981,"usec":963204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900175,"noise_level":-17.595858,"freq_skew":4.702323,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970981,"usec":972423},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035063,"noise_level":-17.543329,"freq_skew":4.467546,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11333,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,35]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":23,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970982,"usec":714666},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832417,"noise_level":-17.471619,"freq_skew":4.699096,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1284,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970983,"usec":475011},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033688,"noise_level":-17.291708,"freq_skew":5.061361,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970983,"usec":480898},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777148,"noise_level":-17.277630,"freq_skew":4.242197,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":760,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":15,"dst_ref":11333,"variable_part_params":[{"name":"checksum","value":[72,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970988,"usec":80474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.541673,"noise_level":-17.255440,"freq_skew":1.335855,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970992,"usec":622205},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713202,"noise_level":-17.322290,"freq_skew":4.435640,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":8.000000},"alt":23000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788970994,"usec":933972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699588,"noise_level":-18.796448,"freq_skew":4.335642,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971002,"usec":573156},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333320,"noise_level":-18.401737,"freq_skew":4.453826,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.799999,"lon":8.300000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971004,"usec":69363},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728310,"noise_level":-18.142502,"freq_skew":4.656720,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35980,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,106]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971006,"usec":346867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119257,"noise_level":-17.680702,"freq_skew":2.921694,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971007,"usec":126759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499101,"noise_level":-18.202934,"freq_skew":5.594834,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971010,"usec":192593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.796876,"noise_level":-17.655540,"freq_skew":5.639654,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971013,"usec":999524},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.378741,"noise_level":-18.666071,"freq_skew":2.794227,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-RGN","mode":"2","label":"_d","blk_id":"7","ack":"J","flight":"SK2963","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971014,"usec":784142},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.122441,"noise_level":-18.614080,"freq_skew":3.219030,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-RGN","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"SK2963","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971014,"usec":785975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778755,"noise_level":-18.623589,"freq_skew":4.384154,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971017,"usec":60375},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594543,"noise_level":-18.664312,"freq_skew":4.294444,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971017,"usec":69670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.415139,"noise_level":-18.750586,"freq_skew":5.542097,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971017,"usec":819040},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.239408,"noise_level":-18.579273,"freq_skew":2.875036,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-RGN","mode":"2","label":"_d","blk_id":"8","ack":"K","flight":"SK2963","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971017,"usec":823242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923270,"noise_level":-18.535133,"freq_skew":7.893938,"avlc":{"src":{"addr":"3D7829","type":"Aircraft","status":"Airborne"},"dst":{"addr":"211657","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971021,"usec":673014},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388104,"noise_level":-17.623423,"freq_skew":4.553838,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11602,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[84,104,213,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971021,"usec":673014},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.388104,"noise_level":-17.623423,"freq_skew":4.553838,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":148,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11602,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,207,113,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":23,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971022,"usec":432886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086131,"noise_level":-18.649828,"freq_skew":4.648345,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971023,"usec":190157},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.095397,"noise_level":-18.480473,"freq_skew":2.811673,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRQ"},{"name":"ac_location","value":{"loc":{"lat":46.200001,"lon":11.500000},"alt":39000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971023,"usec":932751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.060427,"noise_level":-18.407858,"freq_skew":2.978701,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-RGN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"SK2963","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971023,"usec":933800},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.251798,"noise_level":-19.261765,"freq_skew":2.728081,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21735035","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,65,83,0,71,186,29,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971025,"usec":446733},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912364,"noise_level":-18.917627,"freq_skew":3.090931,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971026,"usec":959726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158414,"noise_level":-19.151995,"freq_skew":4.216742,"avlc":{"src":{"addr":"4B028D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971026,"usec":979883},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605984,"noise_level":-20.034702,"freq_skew":4.802696,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11602,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[169,53,8,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971027,"usec":763330},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705771,"noise_level":-20.810589,"freq_skew":4.771901,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11602,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,187,40,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":23,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971027,"usec":763330},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.705771,"noise_level":-20.810589,"freq_skew":4.771901,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11602,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,234,205,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":23,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971028,"usec":550005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921805,"noise_level":-21.117737,"freq_skew":2.773790,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971033,"usec":840107},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.823539,"noise_level":-20.220482,"freq_skew":5.400195,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971033,"usec":847801},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577148,"noise_level":-20.167191,"freq_skew":4.795562,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11602,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[186,90,81,18]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":23,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971034,"usec":611652},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.412358,"noise_level":-20.936411,"freq_skew":5.557406,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35926,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[9,197,76,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971034,"usec":615323},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399470,"noise_level":-20.897799,"freq_skew":4.595380,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971045,"usec":307045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258065,"noise_level":-22.481735,"freq_skew":4.372505,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971047,"usec":579861},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424542,"noise_level":-22.052286,"freq_skew":4.875672,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971056,"usec":795635},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956684,"noise_level":-20.118273,"freq_skew":2.169513,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7613,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[198,29,4,203]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971064,"usec":424046},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829583,"noise_level":-18.177359,"freq_skew":3.215647,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971073,"usec":570566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276860,"noise_level":-17.700916,"freq_skew":3.689291,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRY","mode":"2","label":"_d","blk_id":"2","ack":"R","flight":"LH1304","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971075,"usec":84732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708108,"noise_level":-17.797892,"freq_skew":3.159462,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971076,"usec":626899},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581900,"noise_level":-18.496365,"freq_skew":1.572716,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":8.800000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971080,"usec":430318},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024006,"noise_level":-18.067888,"freq_skew":4.362074,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"_d","blk_id":"0","ack":"O","flight":"LX04WP","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971085,"usec":30947},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032310,"noise_level":-17.958618,"freq_skew":6.083217,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":17,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11629,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[63,93,58,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971085,"usec":784017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798353,"noise_level":-18.463095,"freq_skew":1.619145,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971085,"usec":788086},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842352,"noise_level":-19.257978,"freq_skew":1.643270,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DVW","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"A30542","msg_num":"S74","msg_num_seq":"A","msg_text":"0EV162443V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":24,"sec":43}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971086,"usec":548148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878475,"noise_level":-19.210260,"freq_skew":6.264904,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971086,"usec":561129},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005877,"noise_level":-19.107763,"freq_skew":6.311526,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11629,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[148,42,108,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971087,"usec":313353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555526,"noise_level":-18.921658,"freq_skew":1.562743,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971098,"usec":773626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920713,"noise_level":-18.833176,"freq_skew":3.650317,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971102,"usec":615972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155187,"noise_level":-18.817528,"freq_skew":3.076075,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11340,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[145,58,98,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971104,"usec":877458},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220519,"noise_level":-18.637840,"freq_skew":5.712270,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":11.300000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971109,"usec":482842},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.599839,"noise_level":-19.601171,"freq_skew":4.462485,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":8.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971109,"usec":487248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968477,"noise_level":-19.568050,"freq_skew":6.124458,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971110,"usec":245561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565356,"noise_level":-19.363853,"freq_skew":5.224226,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971110,"usec":986433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188223,"noise_level":-19.837053,"freq_skew":4.985770,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971116,"usec":360590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879955,"noise_level":-18.709719,"freq_skew":3.030272,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971117,"usec":883717},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476536,"noise_level":-18.775375,"freq_skew":4.167879,"avlc":{"src":{"addr":"48C22F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3942,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35949,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[56,235]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971120,"usec":904628},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944470,"noise_level":-18.695177,"freq_skew":3.193820,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55096,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[123,63,7,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":25,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971122,"usec":468520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.701282,"noise_level":-18.314949,"freq_skew":3.287614,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971123,"usec":987145},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603756,"noise_level":-19.061382,"freq_skew":5.804357,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":11.300000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971125,"usec":494798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124627,"noise_level":-18.770061,"freq_skew":5.977644,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971126,"usec":273361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976326,"noise_level":-18.701046,"freq_skew":3.854023,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971127,"usec":18093},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956813,"noise_level":-18.626572,"freq_skew":3.129158,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":8.500000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971128,"usec":524520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056014,"noise_level":-19.054998,"freq_skew":3.370618,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971128,"usec":541024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509601,"noise_level":-18.892918,"freq_skew":5.603578,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971130,"usec":100938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787583,"noise_level":-18.540764,"freq_skew":3.240862,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIU","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SK0687","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971131,"usec":611156},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341187,"noise_level":-19.014328,"freq_skew":3.046264,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971133,"usec":135005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783666,"noise_level":-18.517059,"freq_skew":3.766303,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971137,"usec":708527},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.008479,"noise_level":-17.834320,"freq_skew":3.043022,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971137,"usec":709372},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053115,"noise_level":-18.589956,"freq_skew":2.942600,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971137,"usec":711810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994466,"noise_level":-18.531082,"freq_skew":8.013380,"avlc":{"src":{"addr":"3D7829","type":"Aircraft","status":"Airborne"},"dst":{"addr":"211657","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971137,"usec":713200},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956806,"noise_level":-19.245216,"freq_skew":3.111807,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":802,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55096,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[55,88,38,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971139,"usec":996669},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013679,"noise_level":-20.971771,"freq_skew":4.607556,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971140,"usec":761646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684591,"noise_level":-21.460506,"freq_skew":4.866614,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971141,"usec":510919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.344427,"noise_level":-21.543329,"freq_skew":3.566947,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971141,"usec":518027},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043886,"noise_level":-21.471006,"freq_skew":3.876261,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRY","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH1304","msg_num":"D98","msg_num_seq":"G","sublabel":"DF","msg_text":"V/OBV1)GU22KK0,00Y1YTTYUK9YXHSTXE2LWL/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971144,"usec":579541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.656161,"noise_level":-20.507832,"freq_skew":4.690800,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971145,"usec":349921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957152,"noise_level":-20.271637,"freq_skew":3.055304,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971145,"usec":352421},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648183,"noise_level":-20.253733,"freq_skew":3.769863,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRY","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH1304","msg_num":"D98","msg_num_seq":"G","sublabel":"DF","msg_text":"V/OBV1)GU22KK0,00Y1YTTYUK9YXHSTXE2LWL/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971146,"usec":125294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637096,"noise_level":-20.644815,"freq_skew":3.879581,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971146,"usec":880029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.551238,"noise_level":-20.670189,"freq_skew":5.122346,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971147,"usec":620662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594354,"noise_level":-20.614075,"freq_skew":3.674896,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971148,"usec":389244},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.806139,"noise_level":-20.266859,"freq_skew":4.484117,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":8.700000},"alt":0}},{"name":"alternate_ground_stations","value":["109CBA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971148,"usec":392277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517709,"noise_level":-20.245989,"freq_skew":3.723596,"avlc":{"src":{"addr":"4BC88A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971152,"usec":997268},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.072173,"noise_level":-18.955544,"freq_skew":4.626546,"avlc":{"src":{"addr":"3C66A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971159,"usec":88531},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091197,"noise_level":-17.884996,"freq_skew":5.138643,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971159,"usec":851923},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.279404,"noise_level":-17.696411,"freq_skew":5.145410,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31914,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[123,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971164,"usec":452120},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974341,"noise_level":-18.127584,"freq_skew":5.286292,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABPL","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH0729","msg_num":"D49","msg_num_seq":"G","sublabel":"DF","msg_text":" 23 11 2\r\n 15 12\r\nTA22 9 92222\r\nER22 7 92222\r\nTA221 0\r\nER221 0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971165,"usec":960990},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.843190,"noise_level":-18.253122,"freq_skew":5.341049,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":20,"dst_ref":31917,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[206,209]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971166,"usec":738269},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971348,"noise_level":-18.201120,"freq_skew":2.310493,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWE","mode":"2","label":"_d","blk_id":"4","ack":"M","flight":"LH06QP","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971173,"usec":593739},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984009,"noise_level":-19.608089,"freq_skew":4.495575,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"_d","blk_id":"2","ack":"P","flight":"LX04WP","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971174,"usec":364967},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.972069,"noise_level":-20.186052,"freq_skew":4.303127,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"_d","blk_id":"3","ack":"Q","flight":"LX04WP","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971178,"usec":960534},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207946,"noise_level":-21.863382,"freq_skew":3.805259,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":11.500000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971181,"usec":984686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804325,"noise_level":-21.385820,"freq_skew":3.427539,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971184,"usec":309930},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.123328,"noise_level":-21.863539,"freq_skew":1.787602,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":153,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971185,"usec":820945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.144207,"noise_level":-22.224667,"freq_skew":3.500015,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971187,"usec":353911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.766557,"noise_level":-22.694818,"freq_skew":3.682864,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971188,"usec":93064},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644388,"noise_level":-22.588856,"freq_skew":4.690720,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35980,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,106]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971188,"usec":865804},"freq":136975000,"burst_len_octets":139,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125744,"noise_level":-22.275877,"freq_skew":5.697914,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NAC","mode":"2","label":"80","blk_id":"6","ack":"!","flight":"A30510","msg_num":"M29","msg_num_seq":"A","msg_text":"3N01 POSRPT 0510/09 LGTS/EDDS .SX-NAC\r\n/POS N48240E011078/ALT +25247/MCH 685/FOB 0031/ETA 1643"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971191,"usec":951474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724813,"noise_level":-21.890953,"freq_skew":5.693035,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971192,"usec":716299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595967,"noise_level":-21.962698,"freq_skew":5.971791,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971193,"usec":451548},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194240,"noise_level":-21.919252,"freq_skew":4.972418,"avlc":{"src":{"addr":"3C66A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971193,"usec":455895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614985,"noise_level":-21.865252,"freq_skew":4.229710,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971207,"usec":190904},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491611,"noise_level":-18.961584,"freq_skew":4.532448,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11591,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[169,7]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971207,"usec":966306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851416,"noise_level":-18.628918,"freq_skew":5.244685,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971209,"usec":483720},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636402,"noise_level":-18.612419,"freq_skew":4.499537,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RNR","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"FR716U","msg_num":"M62","msg_num_seq":"A","msg_text":"162647,M122132,1733, 140,N 48.097 E 12.709"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971210,"usec":268013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.176992,"noise_level":-18.683273,"freq_skew":5.254042,"avlc":{"src":{"addr":"4CAE91","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971210,"usec":269901},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913507,"noise_level":-18.646030,"freq_skew":5.441325,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-ABPL","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH0729","msg_num":"D51","msg_num_seq":"B","sublabel":"DF","msg_text":"8\r\n -2 74170 521401139908\r\n -1 74169 521401139908\r\n 0 74168 521401139908\r\n 1 74169 521401139908\r\n 2 74169 521401139908\r\n 3 74169 521401139908\r\n 4 74170 521401139908\r\n 5 74169 521401139908\r\n -5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971212,"usec":545468},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862774,"noise_level":-19.176729,"freq_skew":4.435301,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971213,"usec":305599},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232930,"noise_level":-19.012383,"freq_skew":5.159856,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":441,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971213,"usec":322552},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516759,"noise_level":-19.708483,"freq_skew":4.291828,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":8.800000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971214,"usec":824853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512703,"noise_level":-19.395031,"freq_skew":5.368946,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971214,"usec":827475},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.198728,"noise_level":-19.535940,"freq_skew":3.743322,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LH08RY","msg_num":"D16","msg_num_seq":"K","sublabel":"DF","msg_text":"7,059,010,1/2E0880,0913,51,133,007,000,033,0/2N0881,0916,51,134,006,000,036,0/2S3779,5906,014,006,158,40,13383,2/2T3875,5872,014,004,144,41,13384,2/2V0080,N045,02464,00096,221,216,220,0/2X2901,00300,102,024"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971218,"usec":659108},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.320394,"noise_level":-19.037191,"freq_skew":2.541950,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":181,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971220,"usec":175611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849782,"noise_level":-19.182495,"freq_skew":2.401877,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971220,"usec":940201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.206526,"noise_level":-18.948502,"freq_skew":3.735121,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971222,"usec":457256},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389516,"noise_level":-19.821251,"freq_skew":4.516512,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"13","blk_id":"4","ack":"!","flight":"LX04WP","msg_num":"M45","msg_num_seq":"A","msg_text":"EDDL,1626,1640"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971222,"usec":462817},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.864568,"noise_level":-19.787281,"freq_skew":4.333267,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":8.900001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971224,"usec":780429},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.638194,"noise_level":-19.509705,"freq_skew":4.405461,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971230,"usec":876882},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822101,"noise_level":-18.054203,"freq_skew":5.344162,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-ABPL","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH0729","msg_num":"D52","msg_num_seq":"A","sublabel":"DF","msg_text":"<351>FER\r\n9 D-ABPLDLH729 DC 125090926162444ZSPDEDDF46930 1\r\n 48939 11155 -85 2871DLH48ACMF0001\r\n0000FF\r\n000000030 97 24 24\r\n -5 76174 521416141808\r\n -4 76173 521416141808\r\n -3 76173 52141614180"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971233,"usec":937994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440899,"noise_level":-18.018568,"freq_skew":2.079143,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971234,"usec":692537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409604,"noise_level":-17.874567,"freq_skew":4.821918,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971236,"usec":955951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662468,"noise_level":-17.971069,"freq_skew":5.414554,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971236,"usec":961081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891694,"noise_level":-18.827168,"freq_skew":2.292915,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971239,"usec":268902},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176474,"noise_level":-19.029402,"freq_skew":2.286503,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":61,"dst_ref":21216,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[75,94,168,142]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971240,"usec":25356},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.333425,"noise_level":-18.799442,"freq_skew":2.276422,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971245,"usec":400033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358346,"noise_level":-17.992327,"freq_skew":4.778555,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971249,"usec":952537},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.887706,"noise_level":-17.471010,"freq_skew":3.053676,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55111,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[172,251,69,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971249,"usec":952537},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.887706,"noise_level":-17.471010,"freq_skew":3.053676,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55111,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[140,99,240,193]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":27,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971250,"usec":742663},"freq":136975000,"burst_len_octets":163,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229152,"noise_level":-17.374172,"freq_skew":2.153998,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWE","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH06QP","msg_num":"M69","msg_num_seq":"A","msg_text":"000452977924HE-OOT.,A:IXI,09SEP26,OUU+O9*,(OKX(W4KQUBRNI5C-M+R22/L/7/7/M/TT,/,SSQOGG4(1O4UUVX2:X)L66-+77MMTWT,/,SS/OO4"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971251,"usec":500980},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.745669,"noise_level":-18.040733,"freq_skew":3.225013,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971251,"usec":509975},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.191272,"noise_level":-17.978569,"freq_skew":3.496498,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971253,"usec":18771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638698,"noise_level":-18.169275,"freq_skew":2.356019,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971255,"usec":295338},"freq":136975000,"burst_len_octets":110,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061820,"noise_level":-18.110706,"freq_skew":3.538012,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH08RY","msg_num":"D17","msg_num_seq":"K","sublabel":"DF","msg_text":"02752,00096,221,216,220,0/2X2901,00350,102,021,018,056,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971256,"usec":844631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.245867,"noise_level":-18.202585,"freq_skew":4.772170,"avlc":{"src":{"addr":"3C6649","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971256,"usec":851621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293444,"noise_level":-18.963619,"freq_skew":5.738966,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971259,"usec":144259},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.047359,"noise_level":-19.148565,"freq_skew":2.235058,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":184,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7613,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[113,182,104,33]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7613,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,254,142,187]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":27,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971260,"usec":655323},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.996244,"noise_level":-20.394833,"freq_skew":3.074449,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55111,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[167,99,123,129]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":27,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971260,"usec":661006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068761,"noise_level":-20.349503,"freq_skew":2.077511,"avlc":{"src":{"addr":"4D2417","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971262,"usec":936379},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762747,"noise_level":-19.979837,"freq_skew":3.073041,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55096,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,158,65,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971266,"usec":18163},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797435,"noise_level":-19.672016,"freq_skew":3.106210,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55096,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,158,65,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971269,"usec":45590},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.427517,"noise_level":-19.259426,"freq_skew":5.306551,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31917,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[31,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971269,"usec":55967},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.930160,"noise_level":-19.946516,"freq_skew":5.840429,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":392,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971270,"usec":568200},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640079,"noise_level":-19.739893,"freq_skew":4.431364,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXL","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR06FC","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971272,"usec":125156},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965979,"noise_level":-20.130810,"freq_skew":4.596414,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127721","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,209,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971279,"usec":756041},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710875,"noise_level":-19.764063,"freq_skew":3.171084,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":9.400001},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971279,"usec":759830},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770201,"noise_level":-21.012093,"freq_skew":4.665332,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35980,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,106]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971282,"usec":18436},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620528,"noise_level":-20.454563,"freq_skew":4.124351,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127114","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,76,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971282,"usec":22271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285310,"noise_level":-20.427149,"freq_skew":4.282905,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971282,"usec":24502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.287303,"noise_level":-20.408920,"freq_skew":4.479712,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971282,"usec":779863},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843652,"noise_level":-20.809723,"freq_skew":5.161191,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31917,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[100,62]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971282,"usec":789728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895638,"noise_level":-20.724331,"freq_skew":4.030034,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971283,"usec":543360},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057903,"noise_level":-21.121613,"freq_skew":4.271356,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1451,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971288,"usec":143170},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268644,"noise_level":-22.414814,"freq_skew":4.953736,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31917,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[61,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":28,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971288,"usec":144024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962588,"noise_level":-22.836861,"freq_skew":4.215549,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971288,"usec":906630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048845,"noise_level":-22.529305,"freq_skew":4.070884,"avlc":{"src":{"addr":"44065C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971288,"usec":908276},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770228,"noise_level":-23.654173,"freq_skew":4.124622,"avlc":{"src":{"addr":"44065C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBX","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"OS021E","msg_num":"S57","msg_num_seq":"A","msg_text":"0EV162806V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":28,"sec":6}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971291,"usec":207593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924785,"noise_level":-23.892300,"freq_skew":3.924926,"avlc":{"src":{"addr":"44065C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971292,"usec":736871},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120552,"noise_level":-23.112562,"freq_skew":5.126442,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31917,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[61,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":28,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971292,"usec":741687},"freq":136975000,"burst_len_octets":171,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.941399,"noise_level":-23.025990,"freq_skew":3.745447,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH08RY","msg_num":"D18","msg_num_seq":"K","sublabel":"DF","msg_text":"57,40,17312,2/2T3538,5915,015,009,143,40,17313,2/2V0035,N107,03088,00096,221,216,220,0/2X2901,00500,097,017,018,050,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971293,"usec":484665},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571401,"noise_level":-23.530937,"freq_skew":2.788058,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971293,"usec":496812},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878875,"noise_level":-23.964052,"freq_skew":2.984550,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22747013","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,206,11,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971293,"usec":496812},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.878875,"noise_level":-23.964052,"freq_skew":2.984550,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ021R","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971294,"usec":257457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683359,"noise_level":-23.523024,"freq_skew":3.856731,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971294,"usec":257966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110940,"noise_level":-23.510002,"freq_skew":3.090667,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971295,"usec":763710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962218,"noise_level":-23.527168,"freq_skew":2.802664,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971296,"usec":518128},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436736,"noise_level":-23.295616,"freq_skew":4.933589,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31917,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[89,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971296,"usec":537023},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.303259,"noise_level":-23.070078,"freq_skew":3.285292,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXI","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"AY002K","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971298,"usec":97108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989434,"noise_level":-25.027731,"freq_skew":4.708018,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971298,"usec":839157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236726,"noise_level":-24.828587,"freq_skew":4.848865,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971300,"usec":354534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893075,"noise_level":-24.271364,"freq_skew":3.325058,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971301,"usec":882920},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.515007,"noise_level":-24.484949,"freq_skew":4.719822,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7769,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31931,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[38,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971304,"usec":201842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758040,"noise_level":-23.417831,"freq_skew":1.683210,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971307,"usec":986418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728106,"noise_level":-21.887333,"freq_skew":3.742770,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971314,"usec":111344},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883523,"noise_level":-20.362747,"freq_skew":3.016529,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1501,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11542,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[160,11,159,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971315,"usec":630827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918814,"noise_level":-19.869839,"freq_skew":1.833495,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971316,"usec":388070},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893526,"noise_level":-19.658510,"freq_skew":1.695187,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971318,"usec":717622},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798793,"noise_level":-20.998375,"freq_skew":3.901682,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH08RY","msg_num":"D19","msg_num_seq":"C","sublabel":"DF","msg_text":",002,002,002,000,1/S24127,5564,024,018,162,01,02380,2/T24210,5506,023,014,188,02,02378,2/V20160,0125,01488,00096,221,216,220,1/X24901,00350,N40,002,002,002,000,1/E30791,0891,17,120,039,000,003,0/S33919,5498"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971320,"usec":994632},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765810,"noise_level":-20.296690,"freq_skew":1.858132,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":56,"dst_ref":11655,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[86,21,33,168]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971323,"usec":249209},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558764,"noise_level":-20.443335,"freq_skew":3.382708,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971324,"usec":815735},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.897037,"noise_level":-20.006598,"freq_skew":3.094202,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11542,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[245,215,209,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971324,"usec":831276},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172727,"noise_level":-19.885746,"freq_skew":3.942473,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":7.200000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":566145},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050291,"noise_level":-20.068844,"freq_skew":3.743386,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH08RY","msg_num":"D19","msg_num_seq":"I","sublabel":"DF","msg_text":"38,5910,012,003,161,41,07175,2/T04332,5856,012,000,142,40,07176,2/V00147,0047,01744,00096,221,216,220,0/X02901,00350,030,021,002,041,012,1/1E0855,0916,53,122,007,000,031,0/1N0857,0918,51,122,006,000,033,0/1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":567103},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.714412,"noise_level":-20.068844,"freq_skew":2.924196,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55096,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,158,65,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":571875},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869185,"noise_level":-20.042620,"freq_skew":3.037906,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":574628},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735199,"noise_level":-20.176807,"freq_skew":1.815428,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11655,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[142,131,150,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":28,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":583764},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922855,"noise_level":-20.549032,"freq_skew":3.833268,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21004476","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,9,62,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971325,"usec":585287},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648235,"noise_level":-21.705841,"freq_skew":1.948665,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":156,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[95,115,100,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971326,"usec":324733},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927992,"noise_level":-22.372911,"freq_skew":4.000911,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINK","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH08RY","msg_num":"D19","msg_num_seq":"J","sublabel":"DF","msg_text":"S4193,5936,012,003,160,41,07844,2/1T4290,5898,012,000,144,41,07846,2/1X2901,00250,N85,023,002,046,011,1/2E0857,0915,53,124,007,000,032,0/2N0859,0917,51,125,006,000,033,0/2S4106,5929,012,003,159,40,08738,2/2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971327,"usec":88756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164575,"noise_level":-22.535505,"freq_skew":1.758031,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971327,"usec":93399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133466,"noise_level":-22.489109,"freq_skew":3.817566,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971327,"usec":106992},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.156504,"noise_level":-22.340004,"freq_skew":3.093043,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971331,"usec":692323},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226404,"noise_level":-22.664391,"freq_skew":3.643816,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971332,"usec":449910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.543437,"noise_level":-22.374184,"freq_skew":3.090825,"avlc":{"src":{"addr":"4CAD88","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":808,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55096,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[200,158,65,126]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971332,"usec":462135},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264078,"noise_level":-22.238256,"freq_skew":3.704436,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971333,"usec":967549},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764305,"noise_level":-21.778591,"freq_skew":2.024260,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[180,64,150,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971337,"usec":8513},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222476,"noise_level":-21.511881,"freq_skew":3.906881,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971339,"usec":309409},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811067,"noise_level":-20.852041,"freq_skew":3.501192,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971349,"usec":233056},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.340738,"noise_level":-18.542215,"freq_skew":4.723298,"avlc":{"src":{"addr":"3C66A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971352,"usec":292638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793691,"noise_level":-19.417326,"freq_skew":3.720778,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971353,"usec":830824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684577,"noise_level":-20.558056,"freq_skew":4.048727,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971354,"usec":575046},"freq":136975000,"burst_len_octets":297,"hdr_bits_fixed":0,"octets_corrected_by_fec":5,"idx":0,"sig_level":-5.054536,"noise_level":-20.877609,"freq_skew":3.967211,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINK","mode":"2","label":"_d","blk_id":"0","ack":"!","flight":"LH08RY","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971354,"usec":587518},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913159,"noise_level":-20.946665,"freq_skew":3.446971,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971358,"usec":405335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501802,"noise_level":-20.530090,"freq_skew":3.397487,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971359,"usec":161514},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.134483,"noise_level":-20.320293,"freq_skew":3.228368,"avlc":{"src":{"addr":"406A63","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":737,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971359,"usec":178456},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874785,"noise_level":-20.259888,"freq_skew":3.235837,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971359,"usec":184851},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509650,"noise_level":-20.206354,"freq_skew":5.161728,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971369,"usec":833225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098883,"noise_level":-20.993137,"freq_skew":5.077236,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971369,"usec":843516},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963810,"noise_level":-21.185114,"freq_skew":4.094627,"avlc":{"src":{"addr":"44065C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971375,"usec":960098},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094391,"noise_level":-21.153223,"freq_skew":4.510756,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35980,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,106]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971376,"usec":705495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.683826,"noise_level":-21.103767,"freq_skew":4.641009,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971377,"usec":461840},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278641,"noise_level":-20.908716,"freq_skew":4.760551,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971379,"usec":20976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060320,"noise_level":-20.958731,"freq_skew":3.950550,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971380,"usec":553701},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.428083,"noise_level":-20.377254,"freq_skew":4.927205,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBD","mode":"2","label":"8F","blk_id":"6","ack":"!","flight":"FR9532","msg_num":"M49","msg_num_seq":"A","msg_text":"145823,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971381,"usec":300860},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853335,"noise_level":-20.233309,"freq_skew":5.188454,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":463,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971385,"usec":108645},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423050,"noise_level":-19.355129,"freq_skew":2.857854,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971386,"usec":678039},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.571918,"noise_level":-19.010675,"freq_skew":4.690070,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11591,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[45,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971387,"usec":421034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348791,"noise_level":-19.041443,"freq_skew":4.878414,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971387,"usec":422575},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459866,"noise_level":-19.033669,"freq_skew":4.347116,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11591,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[174,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":29,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971388,"usec":192437},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329604,"noise_level":-18.758305,"freq_skew":4.711481,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBD","mode":"2","label":"8A","blk_id":"0","ack":"!","flight":"FR0000","msg_num":"M53","msg_num_seq":"A","msg_text":"152949,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971388,"usec":942800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.613573,"noise_level":-18.705761,"freq_skew":4.656265,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971394,"usec":301239},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.787511,"noise_level":-18.188633,"freq_skew":-0.093803,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"_d","blk_id":"4","ack":"G","flight":"UA0927","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971395,"usec":61545},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.179567,"noise_level":-17.979637,"freq_skew":-0.218611,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N27959","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"UA0927","msg_num":"513","msg_num_seq":"B","sublabel":"T5","msg_text":"00000481I0102AH01A01301C3A700R00E00J0000005V10M10Q00009KC9ID9SK9RH9NT9O89NC9P89M01JI01J02T0V70T56G56H96HQ0PK 01Q30V804L31TT1FMS0VA0G6093116K05Q1D98S18RO0ALD0SD1RB1RV1P501G11027U1O410Q6NM1NO6OJ0V910R10R"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971395,"usec":65233},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.447546,"noise_level":-17.945288,"freq_skew":3.913058,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31807,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,240,81,37]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":29,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971395,"usec":819298},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065731,"noise_level":-17.849827,"freq_skew":3.634637,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971397,"usec":342466},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531731,"noise_level":-19.592817,"freq_skew":5.127590,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31917,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[28,216]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971401,"usec":918039},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.319085,"noise_level":-19.840328,"freq_skew":5.343110,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35926,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[9,142,128,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971417,"usec":202848},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638699,"noise_level":-18.542885,"freq_skew":3.950809,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971418,"usec":746049},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.121137,"noise_level":-18.285891,"freq_skew":4.641026,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35980,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":30,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971418,"usec":746189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874640,"noise_level":-18.285891,"freq_skew":4.969660,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971420,"usec":278447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473673,"noise_level":-17.957066,"freq_skew":4.448461,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971420,"usec":284331},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.539886,"noise_level":-17.915970,"freq_skew":4.998023,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBD","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"FR01WZ","msg_num":"S75","msg_num_seq":"A","msg_text":"0E21629392/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":16,"min":29,"sec":39}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971422,"usec":544454},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401144,"noise_level":-18.571953,"freq_skew":1.735313,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[45,198,94,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971422,"usec":551176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.700560,"noise_level":-18.520523,"freq_skew":4.754545,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971423,"usec":290271},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.146587,"noise_level":-18.404095,"freq_skew":4.300854,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":35980,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[57,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":30,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971424,"usec":822255},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037546,"noise_level":-19.128992,"freq_skew":4.456742,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971426,"usec":375646},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386549,"noise_level":-19.846020,"freq_skew":4.681434,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":32,"dst_ref":11591,"variable_part_params":[{"name":"checksum","value":[240,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971427,"usec":892482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.384933,"noise_level":-19.340483,"freq_skew":4.436346,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971428,"usec":651548},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459054,"noise_level":-19.220551,"freq_skew":4.409321,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":35980,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[169,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971429,"usec":424787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613716,"noise_level":-19.039970,"freq_skew":1.653356,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971430,"usec":923831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125271,"noise_level":-19.914759,"freq_skew":4.499515,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971430,"usec":933319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740060,"noise_level":-19.846222,"freq_skew":-0.244736,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971440,"usec":118469},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928039,"noise_level":-21.708956,"freq_skew":5.608603,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971443,"usec":900179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304402,"noise_level":-21.864130,"freq_skew":5.544165,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971447,"usec":764178},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.856846,"noise_level":-23.355915,"freq_skew":0.047360,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".N27959","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"UA0927","msg_num":"C31","msg_num_seq":"B","sublabel":"CF","msg_text":"R GPM-R1\r\nSW1 42 GPM GENERAL OPS SMX41-5567-5311\r\nSW2 42 GPM1_R OPS SMX4C-5560-5911\r\nSW3 42 MANIFEST DB SMX44-5560-5023\r\nSW4 21 EE COOLING OPS HAM41-21EE-2004\r\nSW5 42 CCS HOSTED APPS O"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971451,"usec":544435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334392,"noise_level":-25.291117,"freq_skew":4.083785,"avlc":{"src":{"addr":"3C65CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971453,"usec":865119},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960158,"noise_level":-26.112747,"freq_skew":4.948035,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31946,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,74]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971455,"usec":373663},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.286344,"noise_level":-26.911304,"freq_skew":4.631848,"avlc":{"src":{"addr":"40676A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971457,"usec":652919},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.854126,"noise_level":-26.147251,"freq_skew":3.838500,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971457,"usec":657478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929794,"noise_level":-25.990038,"freq_skew":4.779502,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971462,"usec":241993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.651820,"noise_level":-26.046558,"freq_skew":5.396256,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971464,"usec":518202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273886,"noise_level":-25.857733,"freq_skew":0.086649,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971468,"usec":374172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829974,"noise_level":-24.127771,"freq_skew":4.873734,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971469,"usec":117188},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933152,"noise_level":-23.812252,"freq_skew":4.861763,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":27,"dst_ref":31946,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[206,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971476,"usec":4867},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057747,"noise_level":-23.584747,"freq_skew":4.611924,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31946,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[218,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971476,"usec":762396},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596567,"noise_level":-23.817783,"freq_skew":-0.130294,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"UA0927","msg_num":"D50","msg_num_seq":"C","sublabel":"DF","msg_text":" 02840, 13.4,258,011,IC,00000,0,0,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971477,"usec":521543},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028312,"noise_level":-24.463886,"freq_skew":4.746658,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":28,"dst_ref":31949,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[102,71]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971478,"usec":262502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815276,"noise_level":-24.334166,"freq_skew":0.051271,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971480,"usec":585568},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737276,"noise_level":-23.381365,"freq_skew":4.751829,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31949,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[236,192]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":31,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971482,"usec":102333},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700109,"noise_level":-22.788141,"freq_skew":4.738633,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971485,"usec":127936},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860657,"noise_level":-21.936644,"freq_skew":4.298986,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127721","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,209,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971485,"usec":132220},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845041,"noise_level":-21.893330,"freq_skew":3.898587,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.500000},"alt":0}},{"name":"alternate_ground_stations","value":["10981A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971485,"usec":884035},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152977,"noise_level":-21.690485,"freq_skew":4.674891,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31949,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[199,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971485,"usec":891912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458622,"noise_level":-21.606474,"freq_skew":-0.040362,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971485,"usec":895940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128084,"noise_level":-21.564772,"freq_skew":4.654549,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971493,"usec":583862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646016,"noise_level":-19.210541,"freq_skew":1.507069,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971494,"usec":323650},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681370,"noise_level":-19.792807,"freq_skew":1.445495,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[210,121,245,193]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11655,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,59,147,44]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":31,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971495,"usec":841111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773523,"noise_level":-20.037401,"freq_skew":-0.169714,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971498,"usec":128449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665318,"noise_level":-19.410748,"freq_skew":1.404857,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971499,"usec":694598},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586782,"noise_level":-19.728544,"freq_skew":4.899748,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31917,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[28,216]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971504,"usec":233482},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.791722,"noise_level":-19.836674,"freq_skew":6.412227,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31931,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[220,16]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971504,"usec":235763},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593839,"noise_level":-19.819643,"freq_skew":1.786137,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINI","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH08LX","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971504,"usec":235763},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.593839,"noise_level":-19.819643,"freq_skew":1.786137,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062711","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,201,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971506,"usec":513475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557793,"noise_level":-20.488832,"freq_skew":2.100352,"avlc":{"src":{"addr":"3C65C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971507,"usec":323061},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034328,"noise_level":-20.660446,"freq_skew":4.653175,"avlc":{"src":{"addr":"3C6649","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.200000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971508,"usec":844509},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208498,"noise_level":-20.495489,"freq_skew":4.792264,"avlc":{"src":{"addr":"3C6649","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAIRI","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"XA0107","msg_num":"M25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971510,"usec":334586},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794123,"noise_level":-22.015774,"freq_skew":4.701941,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH06TV","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971510,"usec":334586},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.794123,"noise_level":-22.015774,"freq_skew":4.701941,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062741","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,225,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971512,"usec":614674},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598863,"noise_level":-23.539482,"freq_skew":2.290851,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTBJ"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":8.900001},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971512,"usec":615079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.497985,"noise_level":-24.305626,"freq_skew":-0.170850,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971512,"usec":616180},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.748035,"noise_level":-24.528711,"freq_skew":4.116137,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.500000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971514,"usec":198521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619642,"noise_level":-24.892981,"freq_skew":2.260192,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971522,"usec":593540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869230,"noise_level":-25.593655,"freq_skew":4.397483,"avlc":{"src":{"addr":"3C6705","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971530,"usec":960993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718021,"noise_level":-26.400951,"freq_skew":-0.103682,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971542,"usec":422597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594397,"noise_level":-21.935642,"freq_skew":-0.364405,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971548,"usec":551394},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745478,"noise_level":-21.097429,"freq_skew":4.813771,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971554,"usec":672504},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730572,"noise_level":-25.623154,"freq_skew":5.235510,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-SWB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"QS4363","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971556,"usec":163148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769933,"noise_level":-25.568546,"freq_skew":5.214915,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971556,"usec":932809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833786,"noise_level":-25.780518,"freq_skew":5.104440,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971558,"usec":437293},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.278758,"noise_level":-25.129589,"freq_skew":2.862737,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":52.100002,"lon":8.400001},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971567,"usec":653174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.749146,"noise_level":-22.726948,"freq_skew":2.946834,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971568,"usec":403378},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.282990,"noise_level":-22.750704,"freq_skew":2.903700,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"AY08DM","msg_num":"S65","msg_num_seq":"A","msg_text":"0EV163245VS","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":32,"sec":45}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971569,"usec":175709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.502657,"noise_level":-22.320419,"freq_skew":2.852160,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971570,"usec":676169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826885,"noise_level":-21.932121,"freq_skew":5.103549,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOA","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"LH06TV","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971572,"usec":950199},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428754,"noise_level":-21.555534,"freq_skew":-0.268681,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971576,"usec":781705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069449,"noise_level":-22.611410,"freq_skew":2.267208,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971582,"usec":145805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333725,"noise_level":-22.305376,"freq_skew":4.635864,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971585,"usec":945954},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526937,"noise_level":-20.829782,"freq_skew":4.298981,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":9.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971589,"usec":766090},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.035400,"noise_level":-21.168222,"freq_skew":5.506533,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDTY"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":12.500000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971593,"usec":566035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.516303,"noise_level":-21.169540,"freq_skew":-0.180576,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971593,"usec":570961},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.331521,"noise_level":-22.071472,"freq_skew":4.276263,"avlc":{"src":{"addr":"48C2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4918,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971595,"usec":894990},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676919,"noise_level":-21.201429,"freq_skew":-0.348837,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"_d","blk_id":"1","ack":"J","flight":"UA0927","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971598,"usec":162209},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100900,"noise_level":-21.849318,"freq_skew":5.201557,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDTY"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":12.500000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971598,"usec":926901},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029427,"noise_level":-21.553495,"freq_skew":5.320435,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17152652","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,68,69,85,0,60,213,170,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971600,"usec":445311},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121414,"noise_level":-21.135931,"freq_skew":5.546338,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17152652","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,68,69,85,0,60,213,170,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971603,"usec":503787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211380,"noise_level":-20.861444,"freq_skew":5.252304,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971604,"usec":285993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734943,"noise_level":-20.476828,"freq_skew":4.892508,"avlc":{"src":{"addr":"3C6649","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971606,"usec":552794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639114,"noise_level":-20.827435,"freq_skew":-0.199789,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971608,"usec":103378},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670802,"noise_level":-21.463573,"freq_skew":4.391838,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LOWW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":14.600000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971608,"usec":861827},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212979,"noise_level":-21.575392,"freq_skew":4.251002,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971611,"usec":146722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.798510,"noise_level":-23.374249,"freq_skew":4.079589,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971611,"usec":915468},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053685,"noise_level":-23.893425,"freq_skew":5.043745,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971612,"usec":672294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096044,"noise_level":-24.478666,"freq_skew":4.496244,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971613,"usec":437051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.583570,"noise_level":-25.156155,"freq_skew":4.229475,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971615,"usec":756218},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.776717,"noise_level":-25.278202,"freq_skew":4.339695,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LOWW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":14.600000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971617,"usec":259485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953614,"noise_level":-24.707272,"freq_skew":1.467634,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971617,"usec":262558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219094,"noise_level":-24.603355,"freq_skew":4.845613,"avlc":{"src":{"addr":"3C6649","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971621,"usec":52319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.436883,"noise_level":-23.535568,"freq_skew":4.448889,"avlc":{"src":{"addr":"48C2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971623,"usec":375319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610989,"noise_level":-22.608162,"freq_skew":1.493657,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971624,"usec":124644},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813030,"noise_level":-22.346363,"freq_skew":1.484490,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[125,19,90,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971624,"usec":131244},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.632623,"noise_level":-23.608131,"freq_skew":4.386506,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LOWW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":14.600000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971627,"usec":163984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587009,"noise_level":-22.602737,"freq_skew":-0.027378,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971628,"usec":719290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788757,"noise_level":-22.105236,"freq_skew":4.114453,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971630,"usec":258233},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862357,"noise_level":-21.455021,"freq_skew":4.086113,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKO","mode":"2","label":"_d","blk_id":"5","ack":"V","flight":"LH0137","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971630,"usec":264268},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476271,"noise_level":-22.176071,"freq_skew":4.911667,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":635,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971631,"usec":762976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121235,"noise_level":-21.815414,"freq_skew":2.171402,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971632,"usec":540627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081734,"noise_level":-22.044304,"freq_skew":4.362153,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971634,"usec":836388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684584,"noise_level":-22.511826,"freq_skew":4.701209,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971635,"usec":597293},"freq":136975000,"burst_len_octets":119,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.645662,"noise_level":-22.763557,"freq_skew":2.763143,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LVL","mode":"2","label":"38","blk_id":"7","ack":"!","flight":"AY08DM","msg_num":"M03","msg_num_seq":"A","msg_text":"/AY1395/090926/E 8.158/N 52.100/22414/-------/ /- 28/34732/ 41\r\n/26/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971640,"usec":146645},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569293,"noise_level":-21.145117,"freq_skew":4.214004,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":9.800000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971640,"usec":149370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880433,"noise_level":-21.056381,"freq_skew":2.677020,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971643,"usec":987009},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.487351,"noise_level":-23.585796,"freq_skew":4.273340,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971643,"usec":991198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298214,"noise_level":-23.533451,"freq_skew":4.265810,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971645,"usec":506106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.655346,"noise_level":-25.733429,"freq_skew":7.834064,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971647,"usec":786057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508403,"noise_level":-24.512455,"freq_skew":4.338650,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971650,"usec":862255},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378167,"noise_level":-24.499208,"freq_skew":-0.040252,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"UA0927","msg_num":"D52","msg_num_seq":"C","sublabel":"DF","msg_text":" 08607,-03.4,309,024,CL,00000,0,0,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971651,"usec":634519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688849,"noise_level":-24.808472,"freq_skew":-0.075806,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971652,"usec":381626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922795,"noise_level":-24.629025,"freq_skew":4.095143,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971653,"usec":152152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.535001,"noise_level":-24.688362,"freq_skew":8.255319,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971653,"usec":893194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.512369,"noise_level":-24.540607,"freq_skew":1.771054,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971655,"usec":453052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285889,"noise_level":-23.796900,"freq_skew":3.544463,"avlc":{"src":{"addr":"3C6659","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971656,"usec":220934},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183992,"noise_level":-23.338520,"freq_skew":4.887162,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31949,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[21,45]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":34,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971657,"usec":731623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970952,"noise_level":-22.782631,"freq_skew":5.281745,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971657,"usec":752532},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.472776,"noise_level":-22.546543,"freq_skew":4.740199,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971658,"usec":507823},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129957,"noise_level":-22.271461,"freq_skew":4.199382,"avlc":{"src":{"addr":"48C2A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4919,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36032,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[151,57]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971666,"usec":132919},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449041,"noise_level":-19.735743,"freq_skew":4.348482,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A0A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LOWW"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":14.600000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971667,"usec":638571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.185429,"noise_level":-19.388882,"freq_skew":3.169952,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971669,"usec":949043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129394,"noise_level":-18.839888,"freq_skew":4.123544,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971674,"usec":523469},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907905,"noise_level":-17.881002,"freq_skew":5.857172,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971677,"usec":599632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354249,"noise_level":-17.194281,"freq_skew":8.477965,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971679,"usec":856655},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646264,"noise_level":-17.292988,"freq_skew":-0.144329,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"5Z","blk_id":"4","ack":"!","flight":"UA0927","msg_num":"M06","msg_num_seq":"A","msg_text":"/R3 HOWGOZIT REQ / EDDF KSFO 09 163439 0927 09 EDDF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971680,"usec":615815},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725851,"noise_level":-18.041790,"freq_skew":1.192556,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDU","mode":"2","label":"_d","blk_id":"7","ack":"N","flight":"LH051D","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971683,"usec":706493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824617,"noise_level":-18.344574,"freq_skew":5.362860,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971685,"usec":218406},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.903060,"noise_level":-18.010313,"freq_skew":-0.209119,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"_d","blk_id":"5","ack":"K","flight":"UA0927","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971686,"usec":747191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.757989,"noise_level":-20.381271,"freq_skew":4.688193,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971686,"usec":753850},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706249,"noise_level":-20.308968,"freq_skew":5.417767,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EHEH"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":11.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971688,"usec":285007},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013371,"noise_level":-20.086819,"freq_skew":5.476761,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127664","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,180,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971689,"usec":798095},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375291,"noise_level":-20.157316,"freq_skew":5.356054,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971689,"usec":798658},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345227,"noise_level":-20.148476,"freq_skew":4.239120,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LOWW"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":14.800000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971692,"usec":78048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036380,"noise_level":-19.428144,"freq_skew":-0.107737,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"_d","blk_id":"8","ack":"N","flight":"UA0927","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971692,"usec":79667},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.767932,"noise_level":-20.564636,"freq_skew":5.373040,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3799,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,76,175,180],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971692,"usec":843339},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916795,"noise_level":-20.633867,"freq_skew":5.493434,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971696,"usec":673294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846039,"noise_level":-19.793810,"freq_skew":5.318270,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971699,"usec":727396},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923321,"noise_level":-20.578236,"freq_skew":4.328766,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKO","mode":"2","label":"_d","blk_id":"0","ack":"W","flight":"LH0137","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971711,"usec":177408},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368791,"noise_level":-19.594206,"freq_skew":4.108770,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":212,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":399,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971711,"usec":188890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.377822,"noise_level":-19.503496,"freq_skew":4.419421,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971711,"usec":953316},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.559566,"noise_level":-19.429293,"freq_skew":3.978431,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EDDN"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971713,"usec":451900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444062,"noise_level":-19.157059,"freq_skew":4.003034,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971713,"usec":453712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610819,"noise_level":-19.620684,"freq_skew":4.498144,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971714,"usec":220307},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.650661,"noise_level":-19.487013,"freq_skew":5.207251,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31908,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[118,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971714,"usec":965539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.685210,"noise_level":-19.181316,"freq_skew":4.028581,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971719,"usec":573220},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.457077,"noise_level":-18.083773,"freq_skew":2.720921,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971719,"usec":580454},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.089425,"noise_level":-18.035145,"freq_skew":4.278545,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971719,"usec":590081},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.707945,"noise_level":-17.973019,"freq_skew":2.802127,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":254,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971720,"usec":328792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165089,"noise_level":-18.454901,"freq_skew":4.716384,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971722,"usec":653390},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787136,"noise_level":-18.724377,"freq_skew":1.315740,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[115,31,224,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971723,"usec":409444},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.400477,"noise_level":-18.568295,"freq_skew":4.646419,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4942,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7666,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[78,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971724,"usec":172892},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.429365,"noise_level":-18.342897,"freq_skew":4.743188,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4943,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7666,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[74,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971724,"usec":923680},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670938,"noise_level":-18.557550,"freq_skew":4.690850,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7666,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[209,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":35,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971726,"usec":437789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.580205,"noise_level":-19.119591,"freq_skew":4.618684,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971726,"usec":452886},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035329,"noise_level":-18.994911,"freq_skew":4.699501,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31949,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[50,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":35,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971728,"usec":735321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.241338,"noise_level":-18.460720,"freq_skew":4.682872,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971730,"usec":294501},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764252,"noise_level":-18.446308,"freq_skew":4.518530,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33236,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[1,55,203,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971731,"usec":796517},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.501395,"noise_level":-20.361269,"freq_skew":3.205482,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971734,"usec":77015},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.709615,"noise_level":-19.648802,"freq_skew":4.415874,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11573,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[138,174,251,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971734,"usec":838049},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807762,"noise_level":-19.402082,"freq_skew":4.280447,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971736,"usec":398125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341429,"noise_level":-18.982639,"freq_skew":5.330728,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971737,"usec":905384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028861,"noise_level":-18.686436,"freq_skew":7.923947,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971738,"usec":679304},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.231409,"noise_level":-18.378351,"freq_skew":5.424274,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4495,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971740,"usec":184182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.093215,"noise_level":-18.554819,"freq_skew":3.210352,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":501,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[73,116,17,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971740,"usec":950225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700751,"noise_level":-18.322603,"freq_skew":5.558796,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971751,"usec":672183},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811707,"noise_level":-16.705816,"freq_skew":3.986305,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LIMF"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":8.400001},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971753,"usec":165707},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587207,"noise_level":-16.711958,"freq_skew":3.936595,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENK","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EN09EK","msg_num":"M97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971753,"usec":926860},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880209,"noise_level":-17.282173,"freq_skew":3.956840,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"14004662","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,178,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971755,"usec":437687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301176,"noise_level":-17.493956,"freq_skew":4.072136,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971755,"usec":440635},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.982224,"noise_level":-18.380201,"freq_skew":4.435673,"avlc":{"src":{"addr":"48E9F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":167,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[113,180]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971757,"usec":6892},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.587998,"noise_level":-18.124504,"freq_skew":8.249823,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":13,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971757,"usec":760819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645711,"noise_level":-17.985638,"freq_skew":4.615987,"avlc":{"src":{"addr":"3C6705","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971760,"usec":35920},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668503,"noise_level":-17.707497,"freq_skew":5.638920,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11696,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[154,184]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971761,"usec":574950},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.629689,"noise_level":-17.271654,"freq_skew":5.890194,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11696,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[57,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971769,"usec":185214},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.411465,"noise_level":-19.285118,"freq_skew":5.066399,"avlc":{"src":{"addr":"4CA27B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121173","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,123,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971773,"usec":786531},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547971,"noise_level":-18.618849,"freq_skew":3.958570,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971773,"usec":801406},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.453829,"noise_level":-18.508417,"freq_skew":3.014539,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971778,"usec":394409},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958849,"noise_level":-18.401846,"freq_skew":4.246555,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11660,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[218,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971779,"usec":135279},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.321823,"noise_level":-18.372990,"freq_skew":1.518542,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971783,"usec":741131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991286,"noise_level":-17.243982,"freq_skew":4.445411,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971784,"usec":507910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169992,"noise_level":-17.746012,"freq_skew":-0.244605,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971787,"usec":524847},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119024,"noise_level":-19.890533,"freq_skew":5.196478,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971790,"usec":617758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380795,"noise_level":-19.669334,"freq_skew":1.360565,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971791,"usec":364574},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693165,"noise_level":-19.523178,"freq_skew":4.067173,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11660,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[228,33]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":36,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971792,"usec":897577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253041,"noise_level":-19.200367,"freq_skew":1.870096,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971792,"usec":905443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574172,"noise_level":-20.376604,"freq_skew":-0.090209,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971792,"usec":905443},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.574172,"noise_level":-20.376604,"freq_skew":-0.090209,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11699,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[42,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971793,"usec":638545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894413,"noise_level":-21.884743,"freq_skew":4.078437,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971795,"usec":915631},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.652804,"noise_level":-21.463020,"freq_skew":4.118147,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971795,"usec":917172},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259772,"noise_level":-21.432238,"freq_skew":4.389227,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31949,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[172,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971797,"usec":479508},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.203952,"noise_level":-21.398857,"freq_skew":1.601230,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971798,"usec":235853},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007994,"noise_level":-20.990261,"freq_skew":1.489642,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22613770","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,23,248,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971798,"usec":991066},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367517,"noise_level":-20.912727,"freq_skew":1.710436,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LX02VC","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971802,"usec":776120},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019442,"noise_level":-20.544830,"freq_skew":1.571650,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"UGTB"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":14.500000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971802,"usec":780311},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910729,"noise_level":-20.442909,"freq_skew":1.880767,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".4L-GED","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"D41903","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971802,"usec":781722},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057595,"noise_level":-20.397327,"freq_skew":4.104279,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":422,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55123,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[4,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971803,"usec":596029},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.526021,"noise_level":-20.848145,"freq_skew":3.949108,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":423,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55123,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[117,57]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":36,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971804,"usec":349465},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896515,"noise_level":-20.668064,"freq_skew":1.826829,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971804,"usec":365796},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.970929,"noise_level":-22.184444,"freq_skew":4.088984,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55123,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[165,8]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":36,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971806,"usec":619233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351259,"noise_level":-23.481926,"freq_skew":1.156726,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971806,"usec":638361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062938,"noise_level":-23.734331,"freq_skew":4.755394,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971807,"usec":373090},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699351,"noise_level":-23.510265,"freq_skew":5.206030,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LKKV"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":13.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971808,"usec":141906},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542244,"noise_level":-23.317251,"freq_skew":5.151182,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-SWB","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"QS4363","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971808,"usec":143552},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903446,"noise_level":-23.304535,"freq_skew":4.088368,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971808,"usec":155740},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679019,"noise_level":-23.153372,"freq_skew":5.337185,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22351725","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,86,83,0,73,211,213,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971808,"usec":159479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922254,"noise_level":-23.115988,"freq_skew":1.348864,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971809,"usec":648842},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528464,"noise_level":-25.524557,"freq_skew":5.136199,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971809,"usec":653886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182867,"noise_level":-25.616123,"freq_skew":4.202633,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971810,"usec":465795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.499237,"noise_level":-25.881493,"freq_skew":3.952964,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971811,"usec":231241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136160,"noise_level":-25.334890,"freq_skew":6.042516,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971811,"usec":973030},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605069,"noise_level":-25.885885,"freq_skew":3.950218,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55123,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[248,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971814,"usec":246539},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921617,"noise_level":-25.059998,"freq_skew":3.997677,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":427,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971815,"usec":765060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.602741,"noise_level":-24.415705,"freq_skew":4.076180,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971818,"usec":845501},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980275,"noise_level":-22.787573,"freq_skew":4.318186,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LIMF"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":8.400001},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971826,"usec":476563},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149231,"noise_level":-20.717148,"freq_skew":4.218987,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55123,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[244,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971826,"usec":495223},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.515605,"noise_level":-20.690802,"freq_skew":5.256702,"avlc":{"src":{"addr":"40653A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZGK","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"U263VX","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971838,"usec":733058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863992,"noise_level":-19.614380,"freq_skew":6.092644,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971848,"usec":619987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716229,"noise_level":-18.447855,"freq_skew":5.779228,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971851,"usec":699471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731858,"noise_level":-19.634129,"freq_skew":4.599929,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971857,"usec":815349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624819,"noise_level":-18.143066,"freq_skew":-0.127627,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971871,"usec":567500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568075,"noise_level":-16.673607,"freq_skew":5.136902,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971872,"usec":306878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495134,"noise_level":-16.638145,"freq_skew":5.363734,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971878,"usec":436941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144252,"noise_level":-17.961466,"freq_skew":6.165462,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971880,"usec":715500},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950806,"noise_level":-18.265932,"freq_skew":5.950092,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971882,"usec":203953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094139,"noise_level":-17.992823,"freq_skew":5.948575,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971882,"usec":978150},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681281,"noise_level":-17.768253,"freq_skew":3.118284,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TS-INL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BJ0396","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971882,"usec":978150},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.681281,"noise_level":-17.768253,"freq_skew":3.118284,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"00520653","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,66,84,0,2,161,171,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971883,"usec":729384},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682712,"noise_level":-18.775396,"freq_skew":3.036025,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971886,"usec":811517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880002,"noise_level":-18.691666,"freq_skew":-0.261173,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971892,"usec":163959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790860,"noise_level":-18.419334,"freq_skew":1.046712,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971893,"usec":680003},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743896,"noise_level":-20.507999,"freq_skew":3.264163,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,76,66,84,0,2,161,171,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971894,"usec":454226},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525272,"noise_level":-20.621204,"freq_skew":3.041753,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971894,"usec":454226},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.525272,"noise_level":-20.621204,"freq_skew":3.041753,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":344,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971898,"usec":278042},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672240,"noise_level":-19.601227,"freq_skew":3.220238,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971898,"usec":278042},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.672240,"noise_level":-19.601227,"freq_skew":3.220238,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":344,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971899,"usec":793529},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586323,"noise_level":-20.169849,"freq_skew":-0.306660,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971900,"usec":567445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290968,"noise_level":-20.780453,"freq_skew":3.010664,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971902,"usec":77623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633416,"noise_level":-21.573891,"freq_skew":0.991356,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971903,"usec":607193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587399,"noise_level":-21.575708,"freq_skew":5.841067,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971905,"usec":912005},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444952,"noise_level":-22.713339,"freq_skew":5.830049,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11716,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[79,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":38,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971905,"usec":920155},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701719,"noise_level":-23.442011,"freq_skew":5.144925,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCIFI","mode":"2","label":"83","blk_id":"1","ack":"!","flight":"XA0001","msg_num":"M12","msg_num_seq":"A","msg_text":"001PR09163822N4819.2E01149.12764270013"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971908,"usec":187634},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019929,"noise_level":-23.625874,"freq_skew":5.166304,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971908,"usec":196995},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408669,"noise_level":-23.508003,"freq_skew":5.768994,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6789,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11716,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[208,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971908,"usec":951081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.530977,"noise_level":-23.251656,"freq_skew":4.280437,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971909,"usec":696392},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966544,"noise_level":-23.952106,"freq_skew":2.913497,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971909,"usec":706869},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665711,"noise_level":-23.843267,"freq_skew":3.068704,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31891,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[161,192,30,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971920,"usec":402390},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181098,"noise_level":-22.013197,"freq_skew":1.791699,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2BC9F7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"UGTB"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":14.800000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971924,"usec":241992},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.797659,"noise_level":-22.084217,"freq_skew":3.220392,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":507,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[103,173,112,32]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55131,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,6,156,158]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":38,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971924,"usec":246033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.553489,"noise_level":-22.051155,"freq_skew":1.585673,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971924,"usec":250451},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673105,"noise_level":-22.531900,"freq_skew":1.568089,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":297,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971925,"usec":754517},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031457,"noise_level":-22.089939,"freq_skew":2.949524,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971925,"usec":757258},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549050,"noise_level":-22.253262,"freq_skew":2.979163,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31895,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[242,52,30,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971926,"usec":515569},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873188,"noise_level":-22.530857,"freq_skew":1.706096,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.800000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971926,"usec":522918},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127659,"noise_level":-22.686941,"freq_skew":1.535346,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9A-IRM","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SR03FC","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971926,"usec":527372},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966813,"noise_level":-22.758900,"freq_skew":1.645095,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24016025","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,82,0,80,28,21,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971928,"usec":31916},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.757743,"noise_level":-22.582561,"freq_skew":3.300955,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971928,"usec":794117},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871450,"noise_level":-22.261160,"freq_skew":1.585511,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971931,"usec":112059},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.535064,"noise_level":-21.466759,"freq_skew":3.263542,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971931,"usec":883316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487202,"noise_level":-21.084503,"freq_skew":1.399294,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971937,"usec":193011},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319209,"noise_level":-21.611572,"freq_skew":1.697441,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,69,82,0,80,28,21,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971937,"usec":940727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.681478,"noise_level":-22.186947,"freq_skew":8.022555,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971941,"usec":800901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744936,"noise_level":-21.475180,"freq_skew":4.520162,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971942,"usec":543257},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595873,"noise_level":-21.714003,"freq_skew":4.456892,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":646,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":79,"dst_ref":11720,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[107,170,231,174]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971944,"usec":48211},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501501,"noise_level":-22.042404,"freq_skew":4.240641,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":648,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11720,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[180,84,250,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971944,"usec":51987},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415853,"noise_level":-21.879118,"freq_skew":4.411906,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971947,"usec":136656},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485267,"noise_level":-22.820837,"freq_skew":3.445600,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971947,"usec":916419},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536180,"noise_level":-23.184900,"freq_skew":3.218038,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31895,"credit":2,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[152,125,63,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971948,"usec":664272},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826543,"noise_level":-23.300442,"freq_skew":5.223177,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5420,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971948,"usec":666984},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737391,"noise_level":-23.262423,"freq_skew":3.081999,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31895,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,196,110,86]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971948,"usec":666984},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.737391,"noise_level":-23.262423,"freq_skew":3.081999,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971948,"usec":678993},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.452622,"noise_level":-23.111982,"freq_skew":3.197955,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971949,"usec":415104},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085836,"noise_level":-23.085617,"freq_skew":3.240151,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971949,"usec":427270},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681299,"noise_level":-22.950378,"freq_skew":2.992874,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":31895,"variable_part_params":[{"name":"atn_checksum","value":[225,181,93,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971951,"usec":743661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028919,"noise_level":-22.992590,"freq_skew":4.285319,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971952,"usec":493210},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.710649,"noise_level":-23.200577,"freq_skew":4.232438,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55123,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[195,45]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971957,"usec":810396},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853383,"noise_level":-21.321783,"freq_skew":5.207425,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971960,"usec":891489},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799379,"noise_level":-20.346987,"freq_skew":5.151246,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971966,"usec":234894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.238271,"noise_level":-19.569681,"freq_skew":2.763996,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971969,"usec":280253},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.514566,"noise_level":-18.833063,"freq_skew":4.806197,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":5.900000},"alt":13000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971969,"usec":282217},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909308,"noise_level":-18.817886,"freq_skew":6.147433,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBP","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"OS016N","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971971,"usec":600270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481901,"noise_level":-20.631287,"freq_skew":5.225852,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971972,"usec":370560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.858371,"noise_level":-21.678932,"freq_skew":4.595374,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971974,"usec":637134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.888371,"noise_level":-21.948938,"freq_skew":3.355988,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971976,"usec":157144},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626162,"noise_level":-21.401281,"freq_skew":8.255522,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971978,"usec":436404},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.192839,"noise_level":-20.686432,"freq_skew":2.547893,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026327","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,215,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971978,"usec":439331},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056336,"noise_level":-20.658276,"freq_skew":2.668859,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSH","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"BT0155","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971979,"usec":980403},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.009943,"noise_level":-20.686455,"freq_skew":5.102645,"avlc":{"src":{"addr":"4CA27B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971980,"usec":753873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390251,"noise_level":-20.408926,"freq_skew":2.560057,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971981,"usec":521847},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264680,"noise_level":-20.095966,"freq_skew":4.833338,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,75,76,77,0,72,85,208,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971982,"usec":253363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831555,"noise_level":-20.043430,"freq_skew":2.356177,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971982,"usec":254900},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.413790,"noise_level":-20.008583,"freq_skew":4.492350,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXN","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"KL020D","msg_num":"M69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971982,"usec":258548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414995,"noise_level":-19.947931,"freq_skew":5.364336,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971983,"usec":786173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.597022,"noise_level":-20.685074,"freq_skew":5.239404,"avlc":{"src":{"addr":"4CA27B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971983,"usec":793571},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.463502,"noise_level":-20.610209,"freq_skew":4.599826,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXN","mode":"2","label":"_d","blk_id":"0","ack":"S","flight":"KL020D","msg_num":"M70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971984,"usec":532849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.935470,"noise_level":-20.425816,"freq_skew":4.358806,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971985,"usec":308121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692032,"noise_level":-20.174068,"freq_skew":4.927404,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109DFA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971986,"usec":96828},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.150187,"noise_level":-20.042149,"freq_skew":4.206203,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":10.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971988,"usec":386776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007895,"noise_level":-20.006971,"freq_skew":0.808642,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971989,"usec":121750},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846200,"noise_level":-20.458401,"freq_skew":1.643500,"avlc":{"src":{"addr":"501C15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971989,"usec":125432},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175068,"noise_level":-20.349207,"freq_skew":4.854895,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXN","mode":"2","label":"_d","blk_id":"0","ack":"S","flight":"KL020D","msg_num":"M70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971995,"usec":991338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.981768,"noise_level":-19.244240,"freq_skew":4.393478,"avlc":{"src":{"addr":"4D2230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788971996,"usec":758067},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.103140,"noise_level":-19.047430,"freq_skew":5.343033,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972001,"usec":366219},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849844,"noise_level":-18.772911,"freq_skew":4.085549,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"PC1175","msg_num":"S29","msg_num_seq":"A","msg_text":"0E21639542/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":16,"min":39,"sec":54}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972001,"usec":369526},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563731,"noise_level":-19.485985,"freq_skew":1.103345,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[20,67,155,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972004,"usec":390339},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726996,"noise_level":-18.726084,"freq_skew":4.010982,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":10.500000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972004,"usec":403087},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540387,"noise_level":-19.656170,"freq_skew":0.860590,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":176,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11655,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[20,67,155,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972006,"usec":719309},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446802,"noise_level":-20.406618,"freq_skew":5.803074,"avlc":{"src":{"addr":"4BCDE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11716,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[45,14]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972007,"usec":464571},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.475011,"noise_level":-20.307066,"freq_skew":4.456629,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":10.900001},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972008,"usec":246807},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.602043,"noise_level":-20.050194,"freq_skew":3.492661,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWU","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH029E","msg_num":"M46","msg_num_seq":"A","msg_text":"00126234224*KMD29LEL)KKCOP4A0O35,A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972008,"usec":987411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758374,"noise_level":-19.954622,"freq_skew":4.730277,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972010,"usec":517305},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808434,"noise_level":-20.205036,"freq_skew":3.228288,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11728,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[49,59,59,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972012,"usec":57063},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814909,"noise_level":-19.950878,"freq_skew":3.759998,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":211,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":401,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972012,"usec":68999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801243,"noise_level":-20.445038,"freq_skew":4.238867,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972015,"usec":97281},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906692,"noise_level":-20.621326,"freq_skew":3.216413,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11728,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[49,59,59,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972015,"usec":98475},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792397,"noise_level":-20.882435,"freq_skew":-0.298686,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N27959","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"UA0927","msg_num":"M07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972015,"usec":110902},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036612,"noise_level":-20.796329,"freq_skew":3.186270,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"27CB37","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":59,"dst_ref":31891,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[189,165,71,236]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972015,"usec":867932},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335213,"noise_level":-22.352419,"freq_skew":0.444206,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972015,"usec":877776},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582306,"noise_level":-22.582552,"freq_skew":3.795401,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":211,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":401,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972018,"usec":146632},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891625,"noise_level":-22.264784,"freq_skew":3.172578,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972018,"usec":907510},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614068,"noise_level":-21.998348,"freq_skew":2.900685,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22127402","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,79,84,0,72,175,2,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972021,"usec":210752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730681,"noise_level":-22.291946,"freq_skew":2.880931,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972021,"usec":227466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987727,"noise_level":-23.026789,"freq_skew":4.848844,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972021,"usec":976585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714781,"noise_level":-22.772106,"freq_skew":3.858937,"avlc":{"src":{"addr":"4D232C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972023,"usec":496359},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701354,"noise_level":-22.239029,"freq_skew":3.153686,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.900000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972025,"usec":801282},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.982205,"noise_level":-21.663759,"freq_skew":5.425119,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..IFDIA","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XA0000","msg_num":"M31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972026,"usec":561429},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.842471,"noise_level":-21.394461,"freq_skew":5.411100,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"14004705","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,48,9,197,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972028,"usec":93521},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837509,"noise_level":-20.717804,"freq_skew":2.633097,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026327","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,215,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972028,"usec":854029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187491,"noise_level":-20.475912,"freq_skew":5.181794,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972030,"usec":353094},"freq":136975000,"burst_len_octets":185,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711129,"noise_level":-20.899506,"freq_skew":5.284678,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDTY"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":11.500000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972030,"usec":353094},"freq":136975000,"burst_len_octets":185,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.711129,"noise_level":-20.899506,"freq_skew":5.284678,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17152652","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,68,69,85,0,60,213,170,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972030,"usec":353094},"freq":136975000,"burst_len_octets":185,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.711129,"noise_level":-20.899506,"freq_skew":5.284678,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCIFI","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0001","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972030,"usec":354398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473216,"noise_level":-20.889877,"freq_skew":2.604369,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972032,"usec":674258},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746707,"noise_level":-20.187685,"freq_skew":2.997063,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.900000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972032,"usec":688631},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117972,"noise_level":-20.791473,"freq_skew":5.261276,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972033,"usec":429512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182402,"noise_level":-20.725126,"freq_skew":2.425272,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSH","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"BT0155","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972034,"usec":197991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611200,"noise_level":-20.577593,"freq_skew":3.088608,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972034,"usec":956394},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997545,"noise_level":-20.960960,"freq_skew":4.157007,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIPZ"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":11.600000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972034,"usec":963961},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859559,"noise_level":-21.043413,"freq_skew":3.222441,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972034,"usec":966245},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098880,"noise_level":-21.023846,"freq_skew":2.507693,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972035,"usec":712307},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636992,"noise_level":-21.427858,"freq_skew":2.889913,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11516,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[69,248,3,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972037,"usec":222905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573652,"noise_level":-21.434366,"freq_skew":-0.240545,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972037,"usec":241829},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468583,"noise_level":-21.292097,"freq_skew":4.851498,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972038,"usec":918},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.675812,"noise_level":-20.994865,"freq_skew":3.500825,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[28,219,185,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972038,"usec":743145},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578467,"noise_level":-20.878763,"freq_skew":3.167278,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972038,"usec":747581},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.709006,"noise_level":-20.849979,"freq_skew":4.450669,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972041,"usec":830964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.937648,"noise_level":-20.115925,"freq_skew":5.177931,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972044,"usec":872679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.799401,"noise_level":-19.142630,"freq_skew":1.770924,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2BC9F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972047,"usec":933426},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853840,"noise_level":-19.470169,"freq_skew":4.689362,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972051,"usec":729546},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839062,"noise_level":-19.096544,"freq_skew":3.082742,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11729,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,170,17,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":40,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972052,"usec":511643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764271,"noise_level":-18.804062,"freq_skew":3.316779,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972061,"usec":677094},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218676,"noise_level":-17.014620,"freq_skew":-0.036074,"avlc":{"src":{"addr":"A2CB14","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972064,"usec":733692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986369,"noise_level":-16.401478,"freq_skew":5.723922,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972068,"usec":552997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147836,"noise_level":-16.651203,"freq_skew":4.747082,"avlc":{"src":{"addr":"4855D0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972073,"usec":910809},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.760236,"noise_level":-16.549797,"freq_skew":3.964612,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55123,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[195,45]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972074,"usec":660662},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906019,"noise_level":-17.278286,"freq_skew":4.186925,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSA","mode":"2","label":"_d","blk_id":"7","ack":"K","flight":"EC5017","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972076,"usec":944137},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865680,"noise_level":-17.711823,"freq_skew":1.442250,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":62,"dst_ref":11739,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[129,238,85,33]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972078,"usec":475032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032041,"noise_level":-20.100418,"freq_skew":3.825522,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972080,"usec":779929},"freq":136975000,"burst_len_octets":130,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471927,"noise_level":-20.420038,"freq_skew":1.228281,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":62,"dst_ref":11739,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[129,238,85,33]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972080,"usec":779929},"freq":136975000,"burst_len_octets":130,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.471927,"noise_level":-20.420038,"freq_skew":1.228281,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11739,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[168,242,254,111]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":41,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972083,"usec":54009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647749,"noise_level":-21.919134,"freq_skew":1.332529,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972083,"usec":69842},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465862,"noise_level":-22.916416,"freq_skew":1.499780,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11739,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[137,1,145,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972086,"usec":891821},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724144,"noise_level":-23.262024,"freq_skew":0.982809,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":177,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972088,"usec":421549},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877262,"noise_level":-24.206959,"freq_skew":5.348777,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972089,"usec":163161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817074,"noise_level":-24.011787,"freq_skew":5.046322,"avlc":{"src":{"addr":"AE0160","type":"Aircraft","status":"On ground"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972089,"usec":927305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636707,"noise_level":-23.700380,"freq_skew":4.214044,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972090,"usec":688312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123610,"noise_level":-23.335752,"freq_skew":0.889207,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972093,"usec":766236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.265771,"noise_level":-23.861156,"freq_skew":1.404295,"avlc":{"src":{"addr":"4B9068","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972097,"usec":574903},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.583370,"noise_level":-22.112276,"freq_skew":3.228573,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972098,"usec":317572},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.483670,"noise_level":-21.958561,"freq_skew":3.342578,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[203,98,95,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972099,"usec":90747},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.511518,"noise_level":-21.523439,"freq_skew":3.371051,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972102,"usec":165122},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392005,"noise_level":-20.711662,"freq_skew":4.002858,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":10.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972105,"usec":184129},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233239,"noise_level":-21.078632,"freq_skew":2.794497,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972106,"usec":767208},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935068,"noise_level":-21.797354,"freq_skew":2.869952,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972107,"usec":505154},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906989,"noise_level":-22.518650,"freq_skew":2.810194,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972107,"usec":508375},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930797,"noise_level":-23.250257,"freq_skew":4.612862,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972109,"usec":31680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899050,"noise_level":-22.819157,"freq_skew":3.833566,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972117,"usec":414536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.962539,"noise_level":-20.375580,"freq_skew":8.735635,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972118,"usec":171037},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.794829,"noise_level":-21.055601,"freq_skew":3.260703,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[18,173,107,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972120,"usec":453512},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872900,"noise_level":-20.790997,"freq_skew":4.314577,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006065","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,53,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972121,"usec":247483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055562,"noise_level":-20.849497,"freq_skew":4.245306,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972125,"usec":798111},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584600,"noise_level":-19.429949,"freq_skew":4.099737,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[22,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972126,"usec":615088},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664732,"noise_level":-19.244846,"freq_skew":3.837223,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":10.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972127,"usec":377198},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694815,"noise_level":-19.032471,"freq_skew":4.363231,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006065","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,53,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972133,"usec":436712},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.719891,"noise_level":-17.569883,"freq_skew":3.969277,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972133,"usec":436712},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.719891,"noise_level":-17.569883,"freq_skew":3.969277,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":102,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36008,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[212,161,170,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972134,"usec":235784},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897798,"noise_level":-17.433075,"freq_skew":6.256770,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972135,"usec":765771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.106434,"noise_level":-17.424698,"freq_skew":2.247204,"avlc":{"src":{"addr":"4B191F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972138,"usec":26875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.401436,"noise_level":-17.345150,"freq_skew":5.125918,"avlc":{"src":{"addr":"40653A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972139,"usec":559226},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545343,"noise_level":-17.803080,"freq_skew":5.746200,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LATI"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":9.900001},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972140,"usec":302507},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098069,"noise_level":-18.174606,"freq_skew":5.703619,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972140,"usec":302507},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.098069,"noise_level":-18.174606,"freq_skew":5.703619,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNV","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"W606JM","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972141,"usec":98301},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657202,"noise_level":-18.707047,"freq_skew":2.376104,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGZA"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":12.200000},"alt":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972141,"usec":106862},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044828,"noise_level":-19.186304,"freq_skew":5.843455,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972142,"usec":622112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720972,"noise_level":-19.301121,"freq_skew":2.242601,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972146,"usec":416591},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928953,"noise_level":-19.174644,"freq_skew":2.223594,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972153,"usec":304539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459351,"noise_level":-18.017876,"freq_skew":3.742602,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972154,"usec":90544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991974,"noise_level":-17.928457,"freq_skew":2.546254,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972158,"usec":650488},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035701,"noise_level":-17.646374,"freq_skew":2.966522,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11729,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[13,114,17,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972158,"usec":652397},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133328,"noise_level":-17.633135,"freq_skew":4.446496,"avlc":{"src":{"addr":"4864EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972159,"usec":409921},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813701,"noise_level":-17.616770,"freq_skew":4.985358,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LIRP"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":5.200000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972160,"usec":173184},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945651,"noise_level":-18.056217,"freq_skew":5.031116,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127665","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,181,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972160,"usec":962891},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771239,"noise_level":-18.118912,"freq_skew":5.183708,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GSI","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR06BT","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972161,"usec":729691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790636,"noise_level":-18.785177,"freq_skew":5.005526,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972165,"usec":529890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302759,"noise_level":-18.380510,"freq_skew":1.377775,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2BC9F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972167,"usec":833547},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907663,"noise_level":-17.910488,"freq_skew":5.026620,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972171,"usec":649715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368321,"noise_level":-17.304365,"freq_skew":5.121819,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972175,"usec":468044},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354305,"noise_level":-18.796398,"freq_skew":3.383322,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972176,"usec":238461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224228,"noise_level":-18.531914,"freq_skew":3.500029,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972177,"usec":751344},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467105,"noise_level":-21.343069,"freq_skew":4.545592,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH011F","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972178,"usec":523854},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862747,"noise_level":-22.520256,"freq_skew":3.588214,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972181,"usec":579822},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952790,"noise_level":-21.585548,"freq_skew":4.421323,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDL","mode":"2","label":"_d","blk_id":"4","ack":"W","flight":"LH011F","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972182,"usec":350220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.295086,"noise_level":-22.335997,"freq_skew":2.939639,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972183,"usec":107386},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253127,"noise_level":-21.968781,"freq_skew":4.108996,"avlc":{"src":{"addr":"440C35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":570,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972185,"usec":372585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617100,"noise_level":-22.156275,"freq_skew":2.758794,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972186,"usec":132667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.607035,"noise_level":-22.399036,"freq_skew":4.000662,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972189,"usec":980147},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757734,"noise_level":-20.937725,"freq_skew":4.416617,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDL","mode":"2","label":"_d","blk_id":"4","ack":"W","flight":"LH011F","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972193,"usec":2542},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804211,"noise_level":-20.116600,"freq_skew":4.274772,"avlc":{"src":{"addr":"4864EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31886,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[183,92]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972194,"usec":576138},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.838772,"noise_level":-21.167755,"freq_skew":2.616160,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":356,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972194,"usec":579514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411581,"noise_level":-22.051508,"freq_skew":0.868340,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972208,"usec":334814},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199547,"noise_level":-21.333611,"freq_skew":2.740661,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062254","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,172,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":83952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603387,"noise_level":-21.192970,"freq_skew":3.082565,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":834763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976075,"noise_level":-21.797176,"freq_skew":2.277860,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":839281},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096359,"noise_level":-21.733313,"freq_skew":2.104969,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36041,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[68,180,57,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":840325},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098447,"noise_level":-21.722715,"freq_skew":2.802552,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":441,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":3,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":9,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,68,76,72,0,60,100,172]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,68,76,72,0,60,100,172]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":840325},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.098447,"noise_level":-21.722715,"freq_skew":2.802552,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":442,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":3,"ack":1,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":10,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]},{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","General Comms","ATN System Mgmt"]}}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,68,76,72,0,60,100,172]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,68,76,72,0,60,100,172]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":840325},"freq":136975000,"burst_len_octets":256,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-5.098447,"noise_level":-21.722715,"freq_skew":2.802552,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972209,"usec":841262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.203413,"noise_level":-21.712132,"freq_skew":4.405337,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972211,"usec":346158},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422136,"noise_level":-21.329287,"freq_skew":4.426729,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDL","mode":"2","label":"SA","blk_id":"6","ack":"A","flight":"LH011F","msg_num":"S26","msg_num_seq":"A","msg_text":"0EV164256V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":42,"sec":56}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972212,"usec":113284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766585,"noise_level":-20.991764,"freq_skew":2.163646,"avlc":{"src":{"addr":"407180","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972212,"usec":120077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088510,"noise_level":-22.174007,"freq_skew":4.339471,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972215,"usec":196092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646068,"noise_level":-21.648081,"freq_skew":4.625157,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972215,"usec":937068},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577006,"noise_level":-22.733685,"freq_skew":4.431130,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11751,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[153,123,239,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972215,"usec":937068},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.577006,"noise_level":-22.733685,"freq_skew":4.431130,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":50,"dst_ref":11751,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[10,153,93,232]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972215,"usec":943339},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162218,"noise_level":-23.220795,"freq_skew":3.103595,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972218,"usec":236856},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822336,"noise_level":-22.625488,"freq_skew":8.136867,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLK","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"GS021Y","msg_num":"F00","msg_num_seq":"A","sublabel":"M1","msg_text":"/.REQFPN/FND96154339"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972218,"usec":978689},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506726,"noise_level":-22.382147,"freq_skew":0.900496,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":8.200000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972221,"usec":256727},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107834,"noise_level":-21.616978,"freq_skew":8.069603,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLK","mode":"2","label":"_d","blk_id":"3","ack":"S","flight":"GS021Y","msg_num":"M32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972224,"usec":345157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425395,"noise_level":-21.670280,"freq_skew":8.225207,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972226,"usec":606951},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184911,"noise_level":-21.657639,"freq_skew":4.958975,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH07LY","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972226,"usec":618475},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593048,"noise_level":-22.074289,"freq_skew":3.356002,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":14,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[18,17,128,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972228,"usec":938249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.133033,"noise_level":-21.326094,"freq_skew":4.869838,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972238,"usec":88321},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979484,"noise_level":-22.571014,"freq_skew":4.924510,"avlc":{"src":{"addr":"4CA243","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LIPE"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972239,"usec":595066},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426221,"noise_level":-23.307598,"freq_skew":8.002600,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972239,"usec":597083},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939065,"noise_level":-23.813028,"freq_skew":4.154934,"avlc":{"src":{"addr":"4864EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXR","mode":"2","label":"10","blk_id":"9","ack":"!","flight":"KL032E","msg_num":"M87","msg_num_seq":"A","msg_text":"ETA31A09164356KLM32E LDZAEHAM091711EHAM 25"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972239,"usec":603198},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768317,"noise_level":-23.732563,"freq_skew":4.641320,"avlc":{"src":{"addr":"4CA243","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCM","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR709E","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972240,"usec":345725},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618110,"noise_level":-24.459764,"freq_skew":4.617300,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":6.700000},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972241,"usec":115521},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681592,"noise_level":-23.993519,"freq_skew":3.267455,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJC","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH0025","msg_num":"D28","msg_num_seq":"F","sublabel":"DF","msg_text":"0511,2363,011,009,147,39,11673,2/X63501,N0250,192,007,002,031,009,1/N70286,0649,54,130,006,000,034,0/S70500,2327,013,010,160,38,11257,2/T70510,2357,011,009,147,39,11265,2/V70065,N052,01024,00384,218,218,228"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972241,"usec":121888},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452114,"noise_level":-24.961721,"freq_skew":4.681567,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126517","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,79,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972241,"usec":916244},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460742,"noise_level":-24.734056,"freq_skew":4.814106,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HGE","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR08XE","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972241,"usec":925647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158099,"noise_level":-24.629822,"freq_skew":2.262064,"avlc":{"src":{"addr":"502CD7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972246,"usec":479640},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606807,"noise_level":-25.926880,"freq_skew":4.928245,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972247,"usec":975182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742423,"noise_level":-26.067343,"freq_skew":3.368823,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972259,"usec":447755},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191617,"noise_level":-21.912964,"freq_skew":3.058671,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LVT","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LO0407","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972259,"usec":455414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225429,"noise_level":-21.826782,"freq_skew":4.298916,"avlc":{"src":{"addr":"4864EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972260,"usec":198969},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896854,"noise_level":-21.459488,"freq_skew":4.301253,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":34,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972263,"usec":288917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082187,"noise_level":-20.552887,"freq_skew":3.275191,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972265,"usec":553530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323235,"noise_level":-20.326883,"freq_skew":4.428157,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972266,"usec":320629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307170,"noise_level":-20.216839,"freq_skew":4.572400,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972267,"usec":848714},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661011,"noise_level":-21.475773,"freq_skew":2.785542,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972270,"usec":929924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.159420,"noise_level":-21.158674,"freq_skew":4.482610,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972280,"usec":59837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.476769,"noise_level":-20.481804,"freq_skew":4.333725,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972285,"usec":419105},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448600,"noise_level":-18.938095,"freq_skew":4.865085,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7681,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[13,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972285,"usec":430902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.424840,"noise_level":-18.846342,"freq_skew":3.879069,"avlc":{"src":{"addr":"3C49CB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972288,"usec":468425},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.358696,"noise_level":-18.075388,"freq_skew":4.076899,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":10.800000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972289,"usec":266879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558698,"noise_level":-17.903116,"freq_skew":1.608990,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2BC9F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972292,"usec":309321},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348616,"noise_level":-18.932793,"freq_skew":3.782161,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":11.000000},"alt":19000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972293,"usec":50382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.106103,"noise_level":-18.894466,"freq_skew":1.450245,"avlc":{"src":{"addr":"5140DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2BC9F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972294,"usec":579651},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607468,"noise_level":-18.997215,"freq_skew":3.586165,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22126653","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,76,79,84,0,72,173,171,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972296,"usec":884727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449885,"noise_level":-20.130802,"freq_skew":3.857060,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972296,"usec":891054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.991421,"noise_level":-20.078053,"freq_skew":3.968543,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972306,"usec":805740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423927,"noise_level":-18.473074,"freq_skew":0.918608,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972307,"usec":565882},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095949,"noise_level":-19.832998,"freq_skew":0.776142,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972312,"usec":903636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.319103,"noise_level":-19.651297,"freq_skew":4.082514,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972316,"usec":737749},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.980106,"noise_level":-20.185322,"freq_skew":3.966841,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972316,"usec":739423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225607,"noise_level":-20.149900,"freq_skew":8.011151,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972318,"usec":280149},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439162,"noise_level":-20.772873,"freq_skew":3.858752,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972322,"usec":865789},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.382685,"noise_level":-20.276453,"freq_skew":4.197777,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":929,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":92,"dst_ref":55160,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[33,5,67,233]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972323,"usec":609172},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397859,"noise_level":-20.098942,"freq_skew":3.546204,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LATI"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":14.500000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972323,"usec":615728},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377638,"noise_level":-19.985474,"freq_skew":3.276059,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972327,"usec":423140},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.577219,"noise_level":-18.948614,"freq_skew":7.576962,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972328,"usec":157769},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776830,"noise_level":-19.167156,"freq_skew":4.783567,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1220,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31861,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[74,206]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":11}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972328,"usec":932396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164273,"noise_level":-19.731886,"freq_skew":4.233510,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972332,"usec":9148},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766141,"noise_level":-20.701786,"freq_skew":3.374561,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"W67920","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972332,"usec":9148},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.766141,"noise_level":-20.701786,"freq_skew":3.374561,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21617375","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,87,90,90,0,71,30,253,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972333,"usec":516492},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213675,"noise_level":-20.898365,"freq_skew":3.522058,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972334,"usec":296768},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.441032,"noise_level":-21.195086,"freq_skew":2.036298,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JYM","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"TK08SF","msg_num":"M57","msg_num_seq":"A","msg_text":"/N 49.500/E 11.059/01445/0909/1645/08380/1907/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972335,"usec":27990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893579,"noise_level":-21.155308,"freq_skew":3.445985,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972335,"usec":807196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122538,"noise_level":-20.824354,"freq_skew":1.987686,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972335,"usec":813651},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.522668,"noise_level":-20.767239,"freq_skew":4.188900,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972336,"usec":615349},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.440381,"noise_level":-20.542454,"freq_skew":4.619404,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55137,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[31,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":45,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972337,"usec":357965},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.946361,"noise_level":-20.601109,"freq_skew":4.035079,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPZ","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"BA920U","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972338,"usec":121585},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.092134,"noise_level":-20.453434,"freq_skew":4.594015,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4,"dst_ref":11496,"variable_part_params":[{"name":"checksum","value":[158,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972338,"usec":129516},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.822921,"noise_level":-20.389610,"freq_skew":4.483448,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972342,"usec":724076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048010,"noise_level":-19.660942,"freq_skew":4.792179,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972347,"usec":277032},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.706878,"noise_level":-18.475861,"freq_skew":4.710771,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1222,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31861,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[67,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972350,"usec":344504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391415,"noise_level":-18.414207,"freq_skew":4.128584,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972350,"usec":357452},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.896820,"noise_level":-18.277790,"freq_skew":3.185488,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":14,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[18,17,128,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972356,"usec":411699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085582,"noise_level":-18.456070,"freq_skew":4.713722,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972357,"usec":209565},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523254,"noise_level":-18.311846,"freq_skew":8.049091,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":15,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972359,"usec":501108},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554314,"noise_level":-18.550184,"freq_skew":4.624168,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31861,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[63,141]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972360,"usec":255762},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520157,"noise_level":-20.163477,"freq_skew":4.653171,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31861,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[21,160]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972363,"usec":331928},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501781,"noise_level":-20.978359,"freq_skew":4.571968,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7681,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[162,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":45,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972364,"usec":90446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130336,"noise_level":-21.422472,"freq_skew":2.826650,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972364,"usec":839693},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.204968,"noise_level":-21.300549,"freq_skew":4.717022,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972367,"usec":120039},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525485,"noise_level":-21.264626,"freq_skew":4.672251,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7681,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972370,"usec":207238},"freq":136975000,"burst_len_octets":41,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015277,"noise_level":-21.514223,"freq_skew":4.137611,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","unknown_proto":{"data":[68,3,16,6,123,153,78,212,136,145,12,73,192,66,3,112,57,154,130,4,247,9,150,96]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972370,"usec":209800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177648,"noise_level":-21.610945,"freq_skew":5.204047,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972372,"usec":481650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051937,"noise_level":-21.571365,"freq_skew":4.596751,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972373,"usec":988159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603644,"noise_level":-21.254938,"freq_skew":3.507138,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972374,"usec":763963},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.381824,"noise_level":-21.360565,"freq_skew":4.236089,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".HB-JPD","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LX01ZB","msg_num":"D46","msg_num_seq":"C","sublabel":"DF","msg_text":"03564/I103565,03564,03692,07010,07107,03570/J10246,0047,0000,N254,12325,0808/K10252,0040,0000,N254,13000,0808/L107693,07684,00007,056,039125,06298/M107638,07866,00009,056,039656,06382/N10000,0096,0059,0238,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972375,"usec":521119},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360069,"noise_level":-21.387661,"freq_skew":4.726315,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7681,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[200,220]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":46,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972377,"usec":81688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878010,"noise_level":-21.305220,"freq_skew":0.818312,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972378,"usec":579279},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014616,"noise_level":-21.772345,"freq_skew":5.156018,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":5,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[140,179]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972381,"usec":620456},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.095306,"noise_level":-21.695433,"freq_skew":5.227943,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11771,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[192,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972381,"usec":627144},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170982,"noise_level":-21.621838,"freq_skew":4.182953,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC1175","msg_num":"M77","msg_num_seq":"A","msg_text":"PC1175/09SEP26 16:46:18,38001,1737, 112,N 51.336 E 6.984"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972381,"usec":637496},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.755965,"noise_level":-21.517771,"freq_skew":5.012633,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":5,"dst_ref":11771,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[95,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972383,"usec":190158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944061,"noise_level":-21.083969,"freq_skew":5.160434,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972383,"usec":191535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.580617,"noise_level":-21.074135,"freq_skew":4.376452,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972383,"usec":952778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051963,"noise_level":-20.812717,"freq_skew":4.330841,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972385,"usec":454181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.198682,"noise_level":-20.466789,"freq_skew":4.552606,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972386,"usec":219639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828433,"noise_level":-20.336056,"freq_skew":2.162219,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972386,"usec":966463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.452895,"noise_level":-20.381443,"freq_skew":5.064258,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972388,"usec":497012},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279077,"noise_level":-19.939100,"freq_skew":5.206166,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972390,"usec":830116},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816395,"noise_level":-20.999374,"freq_skew":4.152921,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972391,"usec":562848},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.379047,"noise_level":-21.479771,"freq_skew":0.705770,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972394,"usec":629549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222399,"noise_level":-20.414871,"freq_skew":2.137036,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972396,"usec":919021},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.797263,"noise_level":-20.678446,"freq_skew":0.944235,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062225","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,100,149,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972397,"usec":693921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895911,"noise_level":-20.319683,"freq_skew":3.449759,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972397,"usec":695190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571701,"noise_level":-21.116819,"freq_skew":0.656411,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972399,"usec":209145},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876667,"noise_level":-21.454374,"freq_skew":1.516123,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972400,"usec":709231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.681880,"noise_level":-21.023655,"freq_skew":4.407451,"avlc":{"src":{"addr":"48AC80","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972402,"usec":237349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.879522,"noise_level":-20.456249,"freq_skew":4.217866,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972406,"usec":842060},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924946,"noise_level":-19.144253,"freq_skew":4.436487,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.800000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972407,"usec":582015},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.565541,"noise_level":-19.026983,"freq_skew":4.065031,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":11.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972409,"usec":108775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.990381,"noise_level":-18.610046,"freq_skew":4.174291,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972409,"usec":853780},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.139380,"noise_level":-18.554977,"freq_skew":4.299936,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":939,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55162,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[243,15,20,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972415,"usec":215134},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.089157,"noise_level":-17.820953,"freq_skew":4.327411,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LMML"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":9.800000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972415,"usec":230880},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708579,"noise_level":-18.393705,"freq_skew":3.354172,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55131,"credit":4,"rseq":14,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[18,17,128,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972415,"usec":990759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058966,"noise_level":-19.034725,"freq_skew":4.399303,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972417,"usec":562062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.671452,"noise_level":-19.040873,"freq_skew":4.342965,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972420,"usec":584859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.403338,"noise_level":-19.447168,"freq_skew":0.679631,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972420,"usec":585923},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500036,"noise_level":-19.439022,"freq_skew":3.864770,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":12.000000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972421,"usec":333027},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684361,"noise_level":-20.287914,"freq_skew":2.360756,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972423,"usec":613615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.966780,"noise_level":-20.926670,"freq_skew":5.710675,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972427,"usec":460777},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827420,"noise_level":-19.652575,"freq_skew":3.540679,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LNL","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LO0373","msg_num":"M74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972430,"usec":538647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.977247,"noise_level":-21.134300,"freq_skew":3.779220,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972431,"usec":303031},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400230,"noise_level":-21.615734,"freq_skew":4.140647,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55143,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[125,29,45,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972432,"usec":51439},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937412,"noise_level":-21.470490,"freq_skew":3.532277,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972432,"usec":810964},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.774938,"noise_level":-21.950911,"freq_skew":3.775405,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPD","mode":"2","label":"_d","blk_id":"1","ack":"V","flight":"LX01ZB","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972433,"usec":572033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983170,"noise_level":-21.683239,"freq_skew":3.936273,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972435,"usec":853707},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915018,"noise_level":-21.315744,"freq_skew":8.243078,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972438,"usec":914622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.830073,"noise_level":-21.156689,"freq_skew":3.837724,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":204253},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668127,"noise_level":-20.764513,"freq_skew":3.432528,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":204253},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.668127,"noise_level":-20.764513,"freq_skew":3.432528,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5194,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[248,230,229,112]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":204253},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.668127,"noise_level":-20.764513,"freq_skew":3.432528,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":150,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":5194,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[173,20,125,31]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":211933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493296,"noise_level":-20.952679,"freq_skew":2.168013,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":948892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.037051,"noise_level":-20.885090,"freq_skew":3.898515,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972441,"usec":965594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155979,"noise_level":-20.732555,"freq_skew":3.527111,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972443,"usec":512078},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017450,"noise_level":-20.362534,"freq_skew":3.829168,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPD","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LX01ZB","msg_num":"201","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E5024/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972444,"usec":271472},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862107,"noise_level":-20.103796,"freq_skew":3.505483,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972444,"usec":276920},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371559,"noise_level":-20.059952,"freq_skew":3.680260,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPD","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LX01ZB","msg_num":"202","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E6500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972446,"usec":545169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426024,"noise_level":-19.703527,"freq_skew":3.544306,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972448,"usec":59828},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468070,"noise_level":-20.885029,"freq_skew":3.099738,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972452,"usec":651851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.557353,"noise_level":-20.597916,"freq_skew":3.419639,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972455,"usec":689247},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698405,"noise_level":-19.646980,"freq_skew":3.459002,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24981,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[35,2,76,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972455,"usec":698552},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812446,"noise_level":-19.572241,"freq_skew":3.726892,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972456,"usec":463748},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634100,"noise_level":-20.259483,"freq_skew":3.557397,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972456,"usec":463748},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.634100,"noise_level":-20.259483,"freq_skew":3.557397,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24981,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[205,155,176,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972456,"usec":463748},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.634100,"noise_level":-20.259483,"freq_skew":3.557397,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":24981,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,152,200,73]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":47,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972458,"usec":11692},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438081,"noise_level":-20.040802,"freq_skew":3.674949,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972460,"usec":295733},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824706,"noise_level":-19.304907,"freq_skew":3.814037,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972461,"usec":43311},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714950,"noise_level":-19.217152,"freq_skew":3.648491,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":36111,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[87,188,53,174]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972467,"usec":174667},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.760299,"noise_level":-18.316437,"freq_skew":5.118853,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1226,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972468,"usec":672160},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264644,"noise_level":-19.233549,"freq_skew":4.679863,"avlc":{"src":{"addr":"4CAD4F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1233,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7681,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[236,18]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972471,"usec":6266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234200,"noise_level":-19.529320,"freq_skew":3.108691,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972471,"usec":763124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791243,"noise_level":-19.317987,"freq_skew":4.940110,"avlc":{"src":{"addr":"4CAFB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972477,"usec":876213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993495,"noise_level":-18.891394,"freq_skew":4.194685,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972488,"usec":528027},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631902,"noise_level":-19.093206,"freq_skew":2.674380,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972489,"usec":292428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.818441,"noise_level":-21.208735,"freq_skew":3.637089,"avlc":{"src":{"addr":"3C54A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972490,"usec":48595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872779,"noise_level":-21.584513,"freq_skew":4.649893,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972490,"usec":54714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689259,"noise_level":-21.621719,"freq_skew":2.593844,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972490,"usec":800170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603312,"noise_level":-22.119099,"freq_skew":5.698690,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972493,"usec":888087},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805662,"noise_level":-22.250444,"freq_skew":0.167818,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22747105","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,206,69,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972493,"usec":888087},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.805662,"noise_level":-22.250444,"freq_skew":0.167818,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ06MF","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972496,"usec":926422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.898643,"noise_level":-22.414829,"freq_skew":3.023305,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972497,"usec":717315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966033,"noise_level":-22.044334,"freq_skew":0.388434,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972501,"usec":513029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940768,"noise_level":-22.066063,"freq_skew":5.592853,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNV","mode":"2","label":"_d","blk_id":"5","ack":"A","flight":"W606JM","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972502,"usec":267288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795231,"noise_level":-21.699287,"freq_skew":7.979553,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972503,"usec":52765},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967297,"noise_level":-22.199354,"freq_skew":5.670183,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNV","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"W606JM","msg_num":"F98","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,71605F"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972504,"usec":586284},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555330,"noise_level":-22.491985,"freq_skew":4.309447,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR62XF","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972504,"usec":590350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309415,"noise_level":-23.362387,"freq_skew":5.839345,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972506,"usec":117271},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.544349,"noise_level":-22.969658,"freq_skew":2.989934,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":154,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972506,"usec":121237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640369,"noise_level":-22.920891,"freq_skew":4.538933,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972512,"usec":981194},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631446,"noise_level":-20.555275,"freq_skew":5.691271,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNV","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"W606JM","msg_num":"F99","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AC,3018259"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972513,"usec":738548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271633,"noise_level":-20.201462,"freq_skew":5.773180,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972521,"usec":385974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479010,"noise_level":-19.024744,"freq_skew":3.221562,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972522,"usec":132033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892318,"noise_level":-18.940619,"freq_skew":3.715917,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972527,"usec":476720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.023133,"noise_level":-18.313931,"freq_skew":4.311389,"avlc":{"src":{"addr":"4864EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972529,"usec":18820},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574590,"noise_level":-17.786600,"freq_skew":5.748985,"avlc":{"src":{"addr":"4D2049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972541,"usec":230475},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756916,"noise_level":-17.219910,"freq_skew":3.407286,"avlc":{"src":{"addr":"3C7889","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":6.700000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972541,"usec":249776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.341361,"noise_level":-17.107122,"freq_skew":0.204018,"avlc":{"src":{"addr":"406ADD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972545,"usec":845216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835917,"noise_level":-17.697998,"freq_skew":3.671999,"avlc":{"src":{"addr":"3C7889","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972556,"usec":507173},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.523563,"noise_level":-17.137854,"freq_skew":3.961782,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":946,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33036,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[152,159,189,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972558,"usec":798418},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056482,"noise_level":-16.885969,"freq_skew":3.750055,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24981,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[65,59,171,113]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":24981,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[77,181,248,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":49,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972559,"usec":570052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039610,"noise_level":-16.844521,"freq_skew":3.405320,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972560,"usec":341694},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659000,"noise_level":-17.021505,"freq_skew":4.554310,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":35,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972561,"usec":838415},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574440,"noise_level":-17.671434,"freq_skew":1.538098,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972561,"usec":853954},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.271481,"noise_level":-19.888937,"freq_skew":0.609531,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.000000},"alt":3000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972561,"usec":855640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762715,"noise_level":-21.018433,"freq_skew":8.006351,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972562,"usec":610199},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833134,"noise_level":-22.890894,"freq_skew":3.426571,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36111,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[80,116,2,231]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":49,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972563,"usec":352411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288655,"noise_level":-22.687323,"freq_skew":0.492978,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972563,"usec":353236},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882063,"noise_level":-23.795149,"freq_skew":3.541970,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972563,"usec":353485},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814980,"noise_level":-23.795149,"freq_skew":0.464248,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":492,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":40078,"dst_ref":183,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[185,9,196,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972564,"usec":879805},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464202,"noise_level":-23.097843,"freq_skew":4.256569,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDL","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH011F","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972564,"usec":885236},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785213,"noise_level":-23.759537,"freq_skew":4.441415,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062214","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,140,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972566,"usec":430350},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.762681,"noise_level":-24.262640,"freq_skew":3.240116,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCDDD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XA0001","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972567,"usec":951182},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907166,"noise_level":-28.349854,"freq_skew":3.498809,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36111,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[18,94,159,196]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36111,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[15,167,145,158]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":49,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972568,"usec":710218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.620591,"noise_level":-28.170010,"freq_skew":0.722717,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972569,"usec":467209},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267357,"noise_level":-28.813513,"freq_skew":4.311653,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":608,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11712,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,253]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972569,"usec":470078},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462862,"noise_level":-28.765726,"freq_skew":3.508993,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972571,"usec":754164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143199,"noise_level":-27.670132,"freq_skew":3.993231,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972571,"usec":760792},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.685833,"noise_level":-27.503693,"freq_skew":4.434271,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32084,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[207,58,220,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972571,"usec":760792},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-4.685833,"noise_level":-27.503693,"freq_skew":4.434271,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":51,"dst_ref":32084,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[98,244,62,116]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972572,"usec":540354},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.957410,"noise_level":-27.421656,"freq_skew":1.492991,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972573,"usec":314930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841787,"noise_level":-28.047113,"freq_skew":4.529418,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972573,"usec":322792},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049095,"noise_level":-27.894897,"freq_skew":1.466671,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972574,"usec":75630},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254574,"noise_level":-27.433159,"freq_skew":4.289380,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":608,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11712,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[65,253]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972577,"usec":872567},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492198,"noise_level":-25.739693,"freq_skew":2.540770,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPK","mode":"2","label":"43","blk_id":"1","ack":"!","flight":"XQ021R","msg_num":"M04","msg_num_seq":"A","msg_text":"SXS21R ,164836,9160,1709,+9873,N 50.0225,E 9.3800,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972580,"usec":173095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236997,"noise_level":-25.750309,"freq_skew":2.606416,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972580,"usec":199309},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.913706,"noise_level":-25.355272,"freq_skew":4.258936,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":43,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32085,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[241,108,220,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972581,"usec":688789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610786,"noise_level":-25.475842,"freq_skew":4.401728,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972583,"usec":213722},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387540,"noise_level":-24.666330,"freq_skew":2.554071,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LH02NJ","msg_num":"S25","msg_num_seq":"A","msg_text":"0EV164937V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":49,"sec":37}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972583,"usec":960015},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805663,"noise_level":-24.331013,"freq_skew":4.342319,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":45,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32085,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[156,6,65,246]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32085,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[76,222,61,150]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":49,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972584,"usec":727744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116720,"noise_level":-23.980646,"freq_skew":2.571646,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972585,"usec":545598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314764,"noise_level":-23.915977,"freq_skew":4.478050,"avlc":{"src":{"addr":"3C648C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972589,"usec":323790},"freq":136975000,"burst_len_octets":144,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030050,"noise_level":-23.258007,"freq_skew":2.684200,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH02NJ","msg_num":"273","msg_num_seq":"A","sublabel":"T2","msg_text":"T23!k85&0N;%!.f]PL|\"i3J7J057'^b9QJMX?t7+_i-+)ZKaJB>>ARB^N=EFhKWf(k<>5WH<.4,0b>c-.$N%q#^Ts","miam":{"single_transfer":{"miam_core":{"version":2,"pdu_type":0,"data":{"msg_num":92,"ack_required":false,"compression":1,"encoding":0,"app_type":10,"non_acars":{"app_id":"0TU","message":{"text":"04EP09EDDFLSZHN48254E00831116491908M170260023GXXXX2400J8ZJQ"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972590,"usec":847353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.675161,"noise_level":-22.600975,"freq_skew":2.896930,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972591,"usec":612508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.131936,"noise_level":-22.211416,"freq_skew":4.956088,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972596,"usec":211799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.433872,"noise_level":-20.609535,"freq_skew":4.856960,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972598,"usec":517493},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599857,"noise_level":-20.032797,"freq_skew":4.838150,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32087,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[209,129]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972598,"usec":530376},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799866,"noise_level":-19.928795,"freq_skew":5.182081,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":654,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32087,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[180,91]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4778483,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"RYR3VN","long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,233,243],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,82,89,82,0],"short_tsap":{"ars":[72,233,243],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"EDDK","destination_airport":"LBSF"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972599,"usec":273336},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741418,"noise_level":-20.547550,"freq_skew":4.947476,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972599,"usec":277003},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592298,"noise_level":-20.519838,"freq_skew":3.393535,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILA","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH03YE","msg_num":"M94","msg_num_seq":"A","msg_text":"00645209285KDEE,OYVVR:RY39Z(3Y+14AK-J(41V MBLLOAOFR:RM1RRO+-(4+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972600,"usec":32062},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.148242,"noise_level":-21.486101,"freq_skew":4.484033,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":818,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,74,85,0,68,13,110],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972600,"usec":793510},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449768,"noise_level":-21.805849,"freq_skew":5.166511,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":32087,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[88,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972602,"usec":308744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458236,"noise_level":-21.936987,"freq_skew":4.834319,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972603,"usec":73035},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.606462,"noise_level":-21.596359,"freq_skew":4.738620,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":818,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,74,85,0,68,13,110],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972603,"usec":833915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320138,"noise_level":-21.318996,"freq_skew":3.660752,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972604,"usec":582468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.139553,"noise_level":-22.237940,"freq_skew":3.727170,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972606,"usec":144948},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.888752,"noise_level":-21.661823,"freq_skew":4.754591,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":159,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972607,"usec":657234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.211912,"noise_level":-21.210958,"freq_skew":3.791732,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972610,"usec":705271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.522473,"noise_level":-20.132444,"freq_skew":4.551342,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972617,"usec":582073},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317529,"noise_level":-18.749521,"freq_skew":0.555114,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972627,"usec":526681},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779204,"noise_level":-22.375854,"freq_skew":1.085350,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972629,"usec":36370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195118,"noise_level":-21.898232,"freq_skew":3.358387,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972629,"usec":45660},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139017,"noise_level":-21.816435,"freq_skew":0.871745,"avlc":{"src":{"addr":"4BA90C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972632,"usec":70307},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967513,"noise_level":-21.123152,"freq_skew":1.126380,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972632,"usec":879716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984901,"noise_level":-21.416779,"freq_skew":1.200045,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972633,"usec":624162},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761737,"noise_level":-22.121572,"freq_skew":3.322159,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":528,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972634,"usec":390784},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.108936,"noise_level":-21.891768,"freq_skew":3.344259,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972635,"usec":144219},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404279,"noise_level":-22.518635,"freq_skew":3.023998,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972635,"usec":149677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734257,"noise_level":-23.325905,"freq_skew":4.886859,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972635,"usec":902836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064419,"noise_level":-23.572643,"freq_skew":6.246216,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972635,"usec":909447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.391864,"noise_level":-23.352659,"freq_skew":3.863841,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972638,"usec":981256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.374331,"noise_level":-22.386253,"freq_skew":5.123099,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972640,"usec":494342},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302711,"noise_level":-22.153164,"freq_skew":4.984787,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972642,"usec":32544},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716574,"noise_level":-21.509809,"freq_skew":4.058397,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":46.200001,"lon":11.500000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972642,"usec":773576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273031,"noise_level":-21.462158,"freq_skew":5.232337,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972644,"usec":303315},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438598,"noise_level":-21.881811,"freq_skew":5.081806,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":657,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7,"dst_ref":32091,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[45,245]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972644,"usec":316918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.795939,"noise_level":-22.641438,"freq_skew":0.723972,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972646,"usec":625445},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590193,"noise_level":-22.597443,"freq_skew":4.719330,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":659,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32091,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[2,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972648,"usec":911086},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329834,"noise_level":-21.675871,"freq_skew":5.019898,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32091,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[253,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972651,"usec":189961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.707783,"noise_level":-22.289940,"freq_skew":2.618570,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972651,"usec":924725},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553662,"noise_level":-22.099829,"freq_skew":4.772484,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":663,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8,"dst_ref":11785,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[245,76]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972651,"usec":925992},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747437,"noise_level":-22.066708,"freq_skew":3.422828,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972652,"usec":689665},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921413,"noise_level":-21.913792,"freq_skew":3.983140,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":951,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55162,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[198,63,199,203]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972653,"usec":492724},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014795,"noise_level":-21.647245,"freq_skew":4.978697,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972658,"usec":787953},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617959,"noise_level":-20.050047,"freq_skew":5.062463,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":664,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972661,"usec":114953},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.446461,"noise_level":-19.870319,"freq_skew":4.156919,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAI"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":12.100000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972661,"usec":884190},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.342535,"noise_level":-19.717243,"freq_skew":6.331599,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBP","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"OS016N","msg_num":"M15","msg_num_seq":"A","msg_text":"00010266263CAQHHH7LL-HORXQRALAVT,LXX(QLTHH-OXFFFQRA,Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972661,"usec":895127},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291774,"noise_level":-19.738041,"freq_skew":2.258105,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972662,"usec":632476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298571,"noise_level":-20.815899,"freq_skew":3.832726,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972663,"usec":388399},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188342,"noise_level":-20.644081,"freq_skew":3.571579,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTD","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"W67920","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972663,"usec":392118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.709099,"noise_level":-21.110878,"freq_skew":6.220197,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972664,"usec":920059},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805933,"noise_level":-20.696466,"freq_skew":0.179820,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972664,"usec":920059},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.805933,"noise_level":-20.696466,"freq_skew":0.179820,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22747105","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,206,69,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972665,"usec":665274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119541,"noise_level":-20.900173,"freq_skew":3.495700,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972666,"usec":490140},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.367892,"noise_level":-20.541569,"freq_skew":4.402599,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11712,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[224,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972667,"usec":234063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210077,"noise_level":-20.835531,"freq_skew":3.449554,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972667,"usec":235432},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925323,"noise_level":-20.825974,"freq_skew":3.881271,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-FHK","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FH1304","msg_num":"M38","msg_num_seq":"A","msg_text":"165106,16958,1935, 220,N 47.992 E 12.117"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972667,"usec":251833},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621768,"noise_level":-20.712091,"freq_skew":4.300028,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11712,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[115,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":51,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972668,"usec":749667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558707,"noise_level":-20.835953,"freq_skew":3.936905,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972669,"usec":502924},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790917,"noise_level":-20.618732,"freq_skew":4.309211,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972669,"usec":503397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212956,"noise_level":-20.609409,"freq_skew":5.705596,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972670,"usec":278573},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798449,"noise_level":-20.262375,"freq_skew":0.116891,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":274,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972671,"usec":790305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648939,"noise_level":-20.991421,"freq_skew":0.393987,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XQ06MF","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972672,"usec":546211},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186531,"noise_level":-21.177912,"freq_skew":0.380637,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972672,"usec":551106},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.279450,"noise_level":-21.128315,"freq_skew":4.796563,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972672,"usec":559744},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103828,"noise_level":-21.039751,"freq_skew":3.486403,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTD","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"W67920","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972672,"usec":559744},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.103828,"noise_level":-21.039751,"freq_skew":3.486403,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972673,"usec":342830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948342,"noise_level":-20.932716,"freq_skew":4.997701,"avlc":{"src":{"addr":"48E9F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972673,"usec":343666},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.095183,"noise_level":-20.923052,"freq_skew":0.133898,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRE","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"XQ06MF","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972673,"usec":364449},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218596,"noise_level":-20.779346,"freq_skew":3.708258,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTD","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"W67920","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972674,"usec":100199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028730,"noise_level":-20.713091,"freq_skew":4.239648,"avlc":{"src":{"addr":"48C126","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972674,"usec":106277},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359726,"noise_level":-20.656700,"freq_skew":3.543054,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36111,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[218,202,204,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972674,"usec":107791},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877756,"noise_level":-20.647335,"freq_skew":3.948895,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":265,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972674,"usec":117768},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.790215,"noise_level":-20.563519,"freq_skew":4.593201,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972676,"usec":381256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.204486,"noise_level":-20.035519,"freq_skew":4.053381,"avlc":{"src":{"addr":"4D24DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972677,"usec":137680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081615,"noise_level":-19.862814,"freq_skew":4.119750,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972677,"usec":902577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.950913,"noise_level":-19.682222,"freq_skew":3.994818,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972680,"usec":215929},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484535,"noise_level":-19.099300,"freq_skew":2.076403,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":0,"retry":2}},{"name":"avlc_specific_options","value":[39]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972680,"usec":226550},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361726,"noise_level":-20.061939,"freq_skew":2.253162,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK67018","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"C60000","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972681,"usec":723597},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862055,"noise_level":-22.302563,"freq_skew":3.534693,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972681,"usec":738844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069664,"noise_level":-22.208088,"freq_skew":0.800590,"avlc":{"src":{"addr":"4BA90C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972682,"usec":480680},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748334,"noise_level":-22.237583,"freq_skew":3.987767,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":266,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":36129,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[96,219,83,56]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972682,"usec":492575},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675720,"noise_level":-22.828627,"freq_skew":4.027101,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"PC1175","msg_num":"M78","msg_num_seq":"A","msg_text":"PC1175/09SEP26 16:51:19,38011,1737, 108,N 51.497 E 6.094"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972682,"usec":496312},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.860546,"noise_level":-22.768686,"freq_skew":3.816458,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36129,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[111,140,165,40]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":51,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972683,"usec":246457},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707080,"noise_level":-22.714138,"freq_skew":4.154534,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36129,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[181,152,170,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972684,"usec":21814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844212,"noise_level":-22.755703,"freq_skew":2.107868,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972684,"usec":777754},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348382,"noise_level":-23.746876,"freq_skew":4.090183,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972685,"usec":530547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555763,"noise_level":-23.406006,"freq_skew":4.158414,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972687,"usec":840126},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.797082,"noise_level":-22.661472,"freq_skew":4.803584,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972688,"usec":597641},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223475,"noise_level":-22.626143,"freq_skew":4.134595,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10923A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LYPG"},{"name":"ac_location","value":{"loc":{"lat":46.200001,"lon":11.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972690,"usec":897787},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159789,"noise_level":-22.177546,"freq_skew":4.896391,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17152652","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,68,69,85,0,60,213,170,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972692,"usec":384619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849327,"noise_level":-22.318516,"freq_skew":3.286585,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972692,"usec":385501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103252,"noise_level":-22.307182,"freq_skew":4.861573,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972693,"usec":956008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.367656,"noise_level":-21.705437,"freq_skew":4.850313,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972700,"usec":819211},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870291,"noise_level":-19.824715,"freq_skew":5.407038,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.400000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972702,"usec":362915},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802381,"noise_level":-19.875380,"freq_skew":4.763399,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH07LY","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972703,"usec":111959},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178408,"noise_level":-21.269100,"freq_skew":3.812600,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972703,"usec":879678},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789546,"noise_level":-20.953232,"freq_skew":3.744951,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPZ","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"BA920U","msg_num":"M76","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972706,"usec":137265},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268754,"noise_level":-20.683699,"freq_skew":3.767221,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPZ","mode":"2","label":"_d","blk_id":"6","ack":"T","flight":"BA920U","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972708,"usec":456384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618202,"noise_level":-20.375908,"freq_skew":3.645811,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUPZ","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"BA920U","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972708,"usec":459799},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521837,"noise_level":-20.348740,"freq_skew":5.150383,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.400000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972708,"usec":470389},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347631,"noise_level":-20.258789,"freq_skew":3.702711,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":573,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972713,"usec":13070},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.283490,"noise_level":-19.790644,"freq_skew":5.155376,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972716,"usec":100696},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492667,"noise_level":-18.820873,"freq_skew":6.205262,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":11.000000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972718,"usec":361995},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076599,"noise_level":-21.357967,"freq_skew":8.126603,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972718,"usec":372646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645234,"noise_level":-21.256998,"freq_skew":6.466714,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972719,"usec":890773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949971,"noise_level":-20.853701,"freq_skew":6.431778,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972721,"usec":433235},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794749,"noise_level":-22.648491,"freq_skew":0.596284,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11536,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[66,89,81,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972721,"usec":435159},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242529,"noise_level":-22.636717,"freq_skew":4.571896,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.300000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972728,"usec":322341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.551045,"noise_level":-23.220404,"freq_skew":0.663611,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11536,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[66,89,81,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972729,"usec":76137},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076172,"noise_level":-23.021345,"freq_skew":3.598030,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972730,"usec":617852},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380126,"noise_level":-22.483892,"freq_skew":0.269243,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972734,"usec":425385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.586471,"noise_level":-21.668228,"freq_skew":6.272817,"avlc":{"src":{"addr":"44001C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972734,"usec":433989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881618,"noise_level":-21.574017,"freq_skew":4.385611,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972734,"usec":435111},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330367,"noise_level":-21.563610,"freq_skew":3.841384,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCIEI","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XA0001","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972739,"usec":645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238345,"noise_level":-20.570833,"freq_skew":4.895447,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972739,"usec":3345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329088,"noise_level":-20.543049,"freq_skew":3.924942,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972740,"usec":545247},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.020386,"noise_level":-21.103695,"freq_skew":1.056930,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972742,"usec":64796},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974667,"noise_level":-20.494349,"freq_skew":4.072859,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972744,"usec":332951},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409143,"noise_level":-19.985451,"freq_skew":3.951350,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,68,69,85,0,166,94,55,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972747,"usec":371811},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311406,"noise_level":-19.143152,"freq_skew":7.709180,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJV","mode":"2","label":"_d","blk_id":"8","ack":"I","flight":"WK049Q","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972747,"usec":389647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770870,"noise_level":-18.994892,"freq_skew":0.647737,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972748,"usec":933471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839336,"noise_level":-18.964375,"freq_skew":3.294444,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972751,"usec":967498},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132880,"noise_level":-19.913738,"freq_skew":3.664406,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":5,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32103,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[69,186,78,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972752,"usec":724998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389329,"noise_level":-19.709747,"freq_skew":3.217771,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972753,"usec":473430},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.415874,"noise_level":-19.980568,"freq_skew":4.033083,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":8,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":4481,"dst_ref":32103,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[62,114,174,184]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972754,"usec":288461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.327771,"noise_level":-20.171576,"freq_skew":3.646312,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972756,"usec":563786},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217761,"noise_level":-19.723930,"freq_skew":3.965422,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972759,"usec":613553},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137459,"noise_level":-18.776258,"freq_skew":3.900625,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":191,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[110,25,111,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972760,"usec":355839},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167955,"noise_level":-20.271646,"freq_skew":3.866351,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55156,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[23,44,18,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972761,"usec":921532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261391,"noise_level":-20.803394,"freq_skew":4.839338,"avlc":{"src":{"addr":"AE0160","type":"Aircraft","status":"On ground"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972762,"usec":683181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374490,"noise_level":-20.522165,"freq_skew":3.549965,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972763,"usec":443310},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950549,"noise_level":-21.437662,"freq_skew":3.654006,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36111,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,106,128,68]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":52,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"REQUEST [level]","choice":"dM6Level","data":{"level":{"choice":"singleLevel","data":{"level_type":{"choice":"levelFlightLevel","data":{"flight_level":350}}}}}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972764,"usec":191675},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945780,"noise_level":-22.472002,"freq_skew":3.450284,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36111,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[103,192,200,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972764,"usec":204092},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090037,"noise_level":-22.334547,"freq_skew":3.614162,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972764,"usec":964678},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050342,"noise_level":-22.033001,"freq_skew":3.349316,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36111,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[48,151,254,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972766,"usec":470369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.484233,"noise_level":-21.766996,"freq_skew":3.625217,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972766,"usec":472240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.411563,"noise_level":-21.756359,"freq_skew":3.269404,"avlc":{"src":{"addr":"3C7889","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972767,"usec":292692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.965175,"noise_level":-21.290606,"freq_skew":3.881116,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972769,"usec":551518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804592,"noise_level":-22.211969,"freq_skew":7.988231,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972772,"usec":597659},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737305,"noise_level":-21.684406,"freq_skew":4.197561,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972773,"usec":360797},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829180,"noise_level":-21.613075,"freq_skew":4.057683,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36129,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[211,209,10,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972774,"usec":917849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.594594,"noise_level":-21.148016,"freq_skew":3.751183,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972777,"usec":180062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.016300,"noise_level":-21.422443,"freq_skew":0.487813,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972780,"usec":223014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.525097,"noise_level":-20.926836,"freq_skew":3.899740,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972780,"usec":232925},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730731,"noise_level":-20.821175,"freq_skew":6.337182,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.700000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972781,"usec":26803},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036239,"noise_level":-21.680313,"freq_skew":3.300754,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LNL","mode":"2","label":"_d","blk_id":"6","ack":"A","flight":"LO0373","msg_num":"M76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972781,"usec":793316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463009,"noise_level":-21.339279,"freq_skew":6.213664,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972782,"usec":542868},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506073,"noise_level":-21.478689,"freq_skew":3.541305,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIKO","mode":"2","label":"_d","blk_id":"2","ack":"T","flight":"LH0137","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972783,"usec":296332},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296187,"noise_level":-22.130650,"freq_skew":3.301944,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LNL","mode":"2","label":"_d","blk_id":"7","ack":"B","flight":"LO0373","msg_num":"M77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972785,"usec":584823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503033,"noise_level":-21.145245,"freq_skew":6.245622,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972787,"usec":844076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972955,"noise_level":-21.346788,"freq_skew":3.730048,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972787,"usec":849572},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.197269,"noise_level":-22.123652,"freq_skew":0.440271,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11536,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[201,166,211,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972787,"usec":849572},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.197269,"noise_level":-22.123652,"freq_skew":0.440271,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11536,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[197,52,220,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":53,"sec":7}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972788,"usec":659683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495862,"noise_level":-21.818502,"freq_skew":5.182873,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972788,"usec":669334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.043095,"noise_level":-21.722652,"freq_skew":0.513900,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972790,"usec":166580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819511,"noise_level":-21.329224,"freq_skew":5.309325,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972791,"usec":678342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972079,"noise_level":-20.812805,"freq_skew":0.475550,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972791,"usec":678659},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912158,"noise_level":-20.900726,"freq_skew":0.715009,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972797,"usec":40033},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011689,"noise_level":-23.645927,"freq_skew":4.419860,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":181,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[149,149,6,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972797,"usec":42278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.722832,"noise_level":-23.702808,"freq_skew":3.133315,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972797,"usec":799755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875433,"noise_level":-23.427834,"freq_skew":5.376033,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972797,"usec":801262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.210107,"noise_level":-23.459488,"freq_skew":3.772286,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972798,"usec":550899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489752,"noise_level":-23.141966,"freq_skew":3.721576,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972800,"usec":817689},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402430,"noise_level":-22.470219,"freq_skew":5.403766,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCV","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"PC13BP","msg_num":"S72","msg_num_seq":"A","msg_text":"0EV165315V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":16,"min":53,"sec":15}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972802,"usec":387794},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778200,"noise_level":-22.542650,"freq_skew":3.675947,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36111,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[218,49,99,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972802,"usec":395504},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925148,"noise_level":-22.450027,"freq_skew":3.590022,"avlc":{"src":{"addr":"471EFD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36111,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[223,137,69,52]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":53,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":137552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204883,"noise_level":-22.301588,"freq_skew":5.488898,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":139969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.864340,"noise_level":-22.245163,"freq_skew":7.723519,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":142960},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249568,"noise_level":-23.529165,"freq_skew":6.574006,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":920266},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.304355,"noise_level":-23.146517,"freq_skew":0.552381,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":920266},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.304355,"noise_level":-23.146517,"freq_skew":0.552381,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":40077,"dst_ref":11536,"variable_part_params":[{"name":"atn_checksum","value":[42,57,185,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972803,"usec":921366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416486,"noise_level":-23.134048,"freq_skew":2.304521,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972804,"usec":683113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.745715,"noise_level":-23.758688,"freq_skew":2.790154,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972806,"usec":192245},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.366734,"noise_level":-23.264240,"freq_skew":4.132854,"avlc":{"src":{"addr":"3C7889","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":220,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":222,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972806,"usec":941570},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778742,"noise_level":-23.076557,"freq_skew":4.591853,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCIFI","mode":"2","label":"83","blk_id":"4","ack":"!","flight":"XA0001","msg_num":"M13","msg_num_seq":"A","msg_text":"001PR09165324N4904.8E01008.60441860004"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972807,"usec":691993},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790509,"noise_level":-23.172634,"freq_skew":4.531852,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":705,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11694,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[235,188,206,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972808,"usec":517652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172199,"noise_level":-24.055023,"freq_skew":4.677470,"avlc":{"src":{"addr":"3CD5AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972810,"usec":782821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605113,"noise_level":-23.559853,"freq_skew":0.677215,"avlc":{"src":{"addr":"501C2F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972811,"usec":550191},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829694,"noise_level":-23.583496,"freq_skew":2.203744,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972814,"usec":608449},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542737,"noise_level":-24.488312,"freq_skew":4.894327,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIPE"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":9.800000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972815,"usec":387836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377930,"noise_level":-24.387445,"freq_skew":2.207997,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972816,"usec":135049},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817917,"noise_level":-25.127356,"freq_skew":6.305766,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AICU","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"DE05MJ","msg_num":"M64","msg_num_seq":"A","msg_text":"/EDDF.TI2/040EDDFAB7C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972818,"usec":413060},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.933894,"noise_level":-25.010731,"freq_skew":3.771173,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972819,"usec":156115},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.934272,"noise_level":-24.691885,"freq_skew":3.835512,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972819,"usec":158596},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.355992,"noise_level":-24.588150,"freq_skew":3.745198,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55156,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[23,44,18,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972822,"usec":259392},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630010,"noise_level":-24.209097,"freq_skew":5.110465,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIPE"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":9.800000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972826,"usec":31028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855682,"noise_level":-23.066010,"freq_skew":4.624978,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972826,"usec":32220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296138,"noise_level":-23.484373,"freq_skew":2.179482,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972827,"usec":550000},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.731512,"noise_level":-23.066481,"freq_skew":3.363370,"avlc":{"src":{"addr":"494118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":33,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972829,"usec":122736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511714,"noise_level":-22.377455,"freq_skew":7.963365,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972829,"usec":891671},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.207671,"noise_level":-21.997581,"freq_skew":3.930268,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":19,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":4482,"dst_ref":32115,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[128,150,198,45]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972830,"usec":653796},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.561367,"noise_level":-21.728493,"freq_skew":4.083060,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972831,"usec":400928},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738426,"noise_level":-21.764181,"freq_skew":4.816183,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH003X","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972834,"usec":482366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681694,"noise_level":-21.306793,"freq_skew":4.452550,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972835,"usec":983613},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895762,"noise_level":-22.874485,"freq_skew":5.492988,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCV","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"PC13BP","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972835,"usec":986826},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.249434,"noise_level":-22.850332,"freq_skew":2.134274,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[39]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972835,"usec":997884},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342718,"noise_level":-23.898270,"freq_skew":2.181612,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK67018","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"C60000","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972836,"usec":749851},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609399,"noise_level":-24.199059,"freq_skew":2.280225,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"UK67018","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"C60000","msg_num":"M27","msg_num_seq":"A","msg_text":"0E21653552","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":16,"min":53,"sec":55}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972837,"usec":509921},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910298,"noise_level":-24.928953,"freq_skew":6.047237,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062165","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,70,71,0,60,100,117,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972838,"usec":260821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552486,"noise_level":-26.533422,"freq_skew":2.397339,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972839,"usec":26996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452106,"noise_level":-25.962866,"freq_skew":6.020679,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972839,"usec":781224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965929,"noise_level":-25.674341,"freq_skew":5.509784,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972840,"usec":536653},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.312301,"noise_level":-26.564207,"freq_skew":2.787289,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":94,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":182,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[135,39,79,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972840,"usec":545127},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.804375,"noise_level":-26.417501,"freq_skew":3.157201,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972842,"usec":876462},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013969,"noise_level":-24.996794,"freq_skew":3.355878,"avlc":{"src":{"addr":"494118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EBKT"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972843,"usec":633760},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.773364,"noise_level":-24.589596,"freq_skew":3.422922,"avlc":{"src":{"addr":"494118","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972843,"usec":634072},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544162,"noise_level":-24.589596,"freq_skew":4.750471,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11629,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[123,156,38,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972845,"usec":892756},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.760419,"noise_level":-24.703514,"freq_skew":3.635878,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614515","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,25,77,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972846,"usec":655215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.490407,"noise_level":-24.281048,"freq_skew":3.786658,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972847,"usec":429391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.806451,"noise_level":-24.650631,"freq_skew":0.598595,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972848,"usec":167600},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.369999,"noise_level":-24.547386,"freq_skew":5.246209,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972848,"usec":971236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533745,"noise_level":-24.384926,"freq_skew":4.601903,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972849,"usec":728548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612159,"noise_level":-24.890177,"freq_skew":6.163724,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972853,"usec":543152},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397676,"noise_level":-22.871475,"freq_skew":4.426482,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":55,"dst_ref":11566,"variable_part_params":[{"name":"atn_checksum","value":[57,129,10,89]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972855,"usec":857890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712714,"noise_level":-22.477215,"freq_skew":5.417158,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972860,"usec":407650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022604,"noise_level":-21.758802,"freq_skew":1.378018,"avlc":{"src":{"addr":"4BAB2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972860,"usec":412571},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589510,"noise_level":-22.775177,"freq_skew":5.093458,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWE","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"4X08QZ","msg_num":"J18","msg_num_seq":"A","msg_text":"/EDDL.TI2/000EDDLA99CF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972862,"usec":732402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325566,"noise_level":-22.880070,"freq_skew":3.461992,"avlc":{"src":{"addr":"3C656F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972864,"usec":239470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788975,"noise_level":-22.431988,"freq_skew":4.577589,"avlc":{"src":{"addr":"76CD6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972864,"usec":244356},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870078,"noise_level":-23.267704,"freq_skew":3.839012,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36129,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[216,199,231,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972865,"usec":8150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720195,"noise_level":-23.018250,"freq_skew":5.229316,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWE","mode":"2","label":"_d","blk_id":"6","ack":"Q","flight":"4X08QZ","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972867,"usec":283472},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937180,"noise_level":-22.239395,"freq_skew":4.402240,"avlc":{"src":{"addr":"76CD6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972868,"usec":44994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.768353,"noise_level":-21.897743,"freq_skew":3.745411,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972868,"usec":823555},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.893650,"noise_level":-22.166939,"freq_skew":4.765086,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSQ","mode":"2","label":"_d","blk_id":"8","ack":"M","flight":"EC62DZ","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972868,"usec":823752},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.828516,"noise_level":-22.166939,"freq_skew":4.818808,"avlc":{"src":{"addr":"440D6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSQ","mode":"2","label":"_d","blk_id":"9","ack":"N","flight":"EC62DZ","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972871,"usec":871877},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671113,"noise_level":-23.339054,"freq_skew":2.925510,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972871,"usec":877010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.911229,"noise_level":-23.275499,"freq_skew":3.700923,"avlc":{"src":{"addr":"3CD590","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972881,"usec":24971},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.192303,"noise_level":-20.900305,"freq_skew":2.921068,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CN-RHG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"AT694T","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972882,"usec":575190},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659102,"noise_level":-20.440588,"freq_skew":2.841990,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972882,"usec":575190},"freq":136975000,"burst_len_octets":25,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.659102,"noise_level":-20.440588,"freq_skew":2.841990,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972884,"usec":92030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189878,"noise_level":-20.100105,"freq_skew":3.442996,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972884,"usec":844579},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.154669,"noise_level":-20.145699,"freq_skew":3.433243,"avlc":{"src":{"addr":"3C7889","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANDI","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"KK4941","msg_num":"M83","msg_num_seq":"A","msg_text":"/EDDG.TI2/024EDDGA2377"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972888,"usec":655477},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.422533,"noise_level":-19.320354,"freq_skew":2.905673,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972893,"usec":993445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983602,"noise_level":-19.331047,"freq_skew":2.942245,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972896,"usec":311401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.024899,"noise_level":-20.134575,"freq_skew":2.068857,"avlc":{"src":{"addr":"4B1918","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972896,"usec":316868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006270,"noise_level":-20.011940,"freq_skew":5.036951,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":197,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[36,195,87,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972903,"usec":179146},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703198,"noise_level":-18.526316,"freq_skew":7.869524,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-FLK","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"GS021Y","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972903,"usec":179146},"freq":136975000,"burst_len_octets":123,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.703198,"noise_level":-18.526316,"freq_skew":7.869524,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23201267","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,71,68,67,0,77,2,183,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972904,"usec":712585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054492,"noise_level":-19.153755,"freq_skew":7.901652,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972907,"usec":729009},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564692,"noise_level":-20.541410,"freq_skew":5.014433,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22251023","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,65,80,0,73,82,19,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972909,"usec":292756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406023,"noise_level":-20.205919,"freq_skew":6.036197,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972910,"usec":46345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911101,"noise_level":-20.003719,"freq_skew":3.106304,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972910,"usec":56444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896303,"noise_level":-20.782862,"freq_skew":5.086500,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972916,"usec":169210},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850978,"noise_level":-19.798595,"freq_skew":5.089733,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11629,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[208,105,88,105]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11629,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[246,133,169,250]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":55,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972917,"usec":704868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.473405,"noise_level":-19.715458,"freq_skew":3.533554,"avlc":{"src":{"addr":"4B194D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972922,"usec":240766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359065,"noise_level":-18.596994,"freq_skew":2.932588,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972923,"usec":793731},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.376452,"noise_level":-18.256409,"freq_skew":5.433993,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-KEC","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"KC0922","msg_num":"S22","msg_num_seq":"A","msg_text":"0LS1655212/","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":16,"min":55,"sec":21}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972925,"usec":321579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.224009,"noise_level":-18.773220,"freq_skew":5.456977,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972930,"usec":673017},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.497848,"noise_level":-19.188707,"freq_skew":7.286329,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11783,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[174,233,10,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972930,"usec":680064},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243843,"noise_level":-19.938059,"freq_skew":2.693660,"avlc":{"src":{"addr":"3C66A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":381,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972931,"usec":428112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.280330,"noise_level":-19.818151,"freq_skew":5.160498,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972932,"usec":935623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955700,"noise_level":-19.427292,"freq_skew":3.100634,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972939,"usec":823206},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.353518,"noise_level":-17.660133,"freq_skew":4.940450,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":26,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972942,"usec":127497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.820566,"noise_level":-17.213989,"freq_skew":3.116843,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972948,"usec":975651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955539,"noise_level":-18.403870,"freq_skew":7.946857,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972949,"usec":781137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584256,"noise_level":-18.656179,"freq_skew":7.649026,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972953,"usec":572013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810720,"noise_level":-18.733404,"freq_skew":7.823528,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972955,"usec":845677},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.455545,"noise_level":-19.383957,"freq_skew":3.932960,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36129,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[216,199,231,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972956,"usec":629514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772335,"noise_level":-19.367788,"freq_skew":2.597833,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972957,"usec":395714},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.041390,"noise_level":-20.127737,"freq_skew":2.647225,"avlc":{"src":{"addr":"0201B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":195,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972957,"usec":398907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.486024,"noise_level":-20.697451,"freq_skew":5.021679,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972958,"usec":160255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065028,"noise_level":-20.585232,"freq_skew":2.149165,"avlc":{"src":{"addr":"507CA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972958,"usec":933099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745500,"noise_level":-21.155663,"freq_skew":5.578829,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972960,"usec":432579},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.621253,"noise_level":-21.736927,"freq_skew":2.663936,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":2,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":182,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[135,39,79,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972960,"usec":438328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624986,"noise_level":-21.707600,"freq_skew":7.909076,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972961,"usec":190950},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684271,"noise_level":-22.168341,"freq_skew":3.948326,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.100000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972961,"usec":203409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.609043,"noise_level":-23.115881,"freq_skew":2.964422,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972961,"usec":949290},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.050222,"noise_level":-23.004688,"freq_skew":4.491281,"avlc":{"src":{"addr":"76CD6E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9V-SKN","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"SQ0326","msg_num":"S24","msg_num_seq":"A","msg_text":"0LH165600VS/","media-adv":{"err":false,"version":0,"current_link":{"code":"H","descr":"HF","established":false,"time":{"hour":16,"min":56,"sec":0}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972962,"usec":770186},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.305999,"noise_level":-23.580818,"freq_skew":2.937510,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31903,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,122,248,209]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":56,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972963,"usec":523101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.688904,"noise_level":-23.335087,"freq_skew":7.470739,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972964,"usec":265615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466212,"noise_level":-23.058979,"freq_skew":3.056395,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972970,"usec":398312},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567773,"noise_level":-21.558517,"freq_skew":3.798708,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.100000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972970,"usec":406874},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693976,"noise_level":-21.653297,"freq_skew":5.153548,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":11.600000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972971,"usec":133017},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774199,"noise_level":-21.548859,"freq_skew":5.153299,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"PC591E","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972971,"usec":133017},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.774199,"noise_level":-21.548859,"freq_skew":5.153299,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22734157","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,184,111,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972971,"usec":900021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323734,"noise_level":-21.283045,"freq_skew":5.172497,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972973,"usec":411802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869887,"noise_level":-21.188740,"freq_skew":5.225877,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972975,"usec":684573},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.194177,"noise_level":-20.601490,"freq_skew":7.426411,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":382,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972975,"usec":685855},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152161,"noise_level":-20.573606,"freq_skew":5.599461,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972977,"usec":254563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.882638,"noise_level":-20.916407,"freq_skew":3.672112,"avlc":{"src":{"addr":"4B990B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972977,"usec":262731},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979068,"noise_level":-20.839529,"freq_skew":4.911712,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":65,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972978,"usec":764540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313835,"noise_level":-21.836023,"freq_skew":7.552691,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972979,"usec":535381},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630953,"noise_level":-21.427299,"freq_skew":5.745488,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972979,"usec":543045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.087638,"noise_level":-21.325523,"freq_skew":5.010344,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972980,"usec":283471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047114,"noise_level":-21.076185,"freq_skew":5.263058,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972984,"usec":136094},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021971,"noise_level":-19.978575,"freq_skew":6.398441,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972985,"usec":655439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554485,"noise_level":-20.407181,"freq_skew":5.697278,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972985,"usec":659295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017131,"noise_level":-20.361786,"freq_skew":6.358698,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972986,"usec":406180},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044562,"noise_level":-20.936153,"freq_skew":5.470255,"avlc":{"src":{"addr":"48C1A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1882,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40643,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[14,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972990,"usec":257021},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603044,"noise_level":-20.958233,"freq_skew":3.820697,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":3}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.100000},"alt":33000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972990,"usec":997216},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.330585,"noise_level":-21.564259,"freq_skew":0.712625,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-FDZY","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"BY04XH","msg_num":"F18","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/DTLGKR,,90,182111,730F0F"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972991,"usec":1933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167583,"noise_level":-21.522758,"freq_skew":5.423091,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972991,"usec":753045},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.920995,"noise_level":-22.983789,"freq_skew":5.634421,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11652,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[95,162,180,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972992,"usec":534939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794798,"noise_level":-22.807671,"freq_skew":1.310818,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972995,"usec":559317},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738067,"noise_level":-22.416704,"freq_skew":5.516361,"avlc":{"src":{"addr":"48C1A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788972996,"usec":303151},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.198662,"noise_level":-22.101271,"freq_skew":5.249934,"avlc":{"src":{"addr":"48C1A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1887,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7713,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[97,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973000,"usec":153463},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042612,"noise_level":-21.801628,"freq_skew":4.975648,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973000,"usec":163849},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125114,"noise_level":-21.705963,"freq_skew":4.014830,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":191,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[110,25,111,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973000,"usec":902725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162590,"noise_level":-21.404688,"freq_skew":4.020881,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973001,"usec":673294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.702525,"noise_level":-21.212818,"freq_skew":5.226655,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973002,"usec":425726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.240314,"noise_level":-20.995825,"freq_skew":5.076226,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973004,"usec":756444},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198390,"noise_level":-21.107035,"freq_skew":3.980494,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":582,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973005,"usec":491619},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917008,"noise_level":-21.077484,"freq_skew":4.863297,"avlc":{"src":{"addr":"4CAE8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EGGW"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":4.700000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973005,"usec":497266},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310030,"noise_level":-21.493227,"freq_skew":3.833258,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22746255","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,204,173,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973006,"usec":270430},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.219994,"noise_level":-21.299416,"freq_skew":4.771199,"avlc":{"src":{"addr":"4CAE8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127214","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,140,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973007,"usec":17244},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880553,"noise_level":-22.050423,"freq_skew":4.928556,"avlc":{"src":{"addr":"4CAE8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKJ","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR14AW","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973008,"usec":546148},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590092,"noise_level":-22.453712,"freq_skew":4.563888,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":227,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973009,"usec":299749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813153,"noise_level":-22.293892,"freq_skew":3.914657,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973013,"usec":889806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891100,"noise_level":-22.953264,"freq_skew":4.664670,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973014,"usec":646514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834338,"noise_level":-22.653412,"freq_skew":4.986590,"avlc":{"src":{"addr":"4CAE8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973018,"usec":485568},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080063,"noise_level":-22.547140,"freq_skew":2.941607,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":145,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":11,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973020,"usec":15982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039224,"noise_level":-22.579386,"freq_skew":7.835992,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973021,"usec":522329},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.198681,"noise_level":-22.123966,"freq_skew":2.741834,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973024,"usec":605353},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.567885,"noise_level":-21.598455,"freq_skew":3.433517,"avlc":{"src":{"addr":"4AC9E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":4.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973024,"usec":608422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.793251,"noise_level":-21.556793,"freq_skew":2.778944,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973027,"usec":626274},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316841,"noise_level":-22.512741,"freq_skew":5.344903,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32075,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[59,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973027,"usec":651389},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338699,"noise_level":-22.238710,"freq_skew":4.681042,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..IFDIA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XA0000","msg_num":"A15","msg_num_seq":"A","sublabel":"M1","msg_text":"/.TWX/WX0,EGLF.EGGW.LIRAFEEB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973028,"usec":382499},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746897,"noise_level":-22.193867,"freq_skew":5.504470,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6426,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32075,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[132,245]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":57,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973029,"usec":162511},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.325047,"noise_level":-22.571791,"freq_skew":5.427964,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":6.100000},"alt":114000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973029,"usec":912063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.986043,"noise_level":-22.341293,"freq_skew":5.271995,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973030,"usec":702849},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384622,"noise_level":-22.195896,"freq_skew":5.621771,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221041","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,33,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973030,"usec":703253},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.914997,"noise_level":-22.184719,"freq_skew":3.789814,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11578,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[86,16]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973032,"usec":983980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.540834,"noise_level":-21.548433,"freq_skew":4.858892,"avlc":{"src":{"addr":"405A4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973033,"usec":754326},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279880,"noise_level":-21.343254,"freq_skew":3.742138,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973033,"usec":755753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787776,"noise_level":-21.451168,"freq_skew":5.573075,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973034,"usec":515297},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680110,"noise_level":-21.238222,"freq_skew":3.974233,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":11578,"variable_part_params":[{"name":"checksum","value":[111,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973035,"usec":253873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372881,"noise_level":-21.056007,"freq_skew":3.829544,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973035,"usec":256635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596921,"noise_level":-21.994530,"freq_skew":5.466384,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973036,"usec":17629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560102,"noise_level":-21.842865,"freq_skew":4.704272,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973036,"usec":778526},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.382800,"noise_level":-21.516178,"freq_skew":4.729479,"avlc":{"src":{"addr":"405A4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":227,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973037,"usec":574087},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483045,"noise_level":-22.128925,"freq_skew":5.536033,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":791,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973038,"usec":347837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314358,"noise_level":-22.861950,"freq_skew":5.358759,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973041,"usec":390698},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411439,"noise_level":-22.999538,"freq_skew":5.335289,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973042,"usec":122949},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518645,"noise_level":-23.553564,"freq_skew":5.513565,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32075,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[51,203]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973046,"usec":716262},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202933,"noise_level":-22.849844,"freq_skew":5.365461,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973048,"usec":990599},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592300,"noise_level":-22.463915,"freq_skew":5.433014,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":32075,"variable_part_params":[{"name":"checksum","value":[250,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973049,"usec":755414},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.345016,"noise_level":-22.315239,"freq_skew":2.725794,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973052,"usec":836956},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909549,"noise_level":-21.159658,"freq_skew":5.451347,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":52,"dst_ref":197,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[139,164,172,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973052,"usec":841341},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181201,"noise_level":-21.120043,"freq_skew":2.666038,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973053,"usec":587855},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027244,"noise_level":-20.970037,"freq_skew":5.040545,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973053,"usec":589821},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943972,"noise_level":-20.902313,"freq_skew":4.655030,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":9.900001},"alt":22000}},{"name":"alternate_ground_stations","value":["109F2A","109D4A","1099EA","10946A","10902A","1098FA","109C5A","1094DA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973055,"usec":109033},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762766,"noise_level":-20.599281,"freq_skew":4.919682,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH07LY","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973060,"usec":474655},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.604468,"noise_level":-20.691978,"freq_skew":0.105727,"avlc":{"src":{"addr":"4891B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973061,"usec":990851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626417,"noise_level":-21.335274,"freq_skew":4.320739,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJLE","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"XA0001","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973064,"usec":260463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338392,"noise_level":-22.577065,"freq_skew":4.480220,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973064,"usec":265767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.833768,"noise_level":-23.665749,"freq_skew":2.919655,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973065,"usec":59595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377412,"noise_level":-23.430519,"freq_skew":5.428549,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973065,"usec":838822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615440,"noise_level":-22.893103,"freq_skew":5.447631,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973068,"usec":118513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.664831,"noise_level":-22.072636,"freq_skew":3.006654,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973068,"usec":120710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562702,"noise_level":-22.039616,"freq_skew":3.805836,"avlc":{"src":{"addr":"40838A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973068,"usec":864979},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.364102,"noise_level":-21.919613,"freq_skew":3.885511,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55156,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[188,48,113,188]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55156,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[107,180,210,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":57,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973074,"usec":216169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697352,"noise_level":-22.284073,"freq_skew":4.366513,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973074,"usec":986539},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.783252,"noise_level":-22.493343,"freq_skew":2.731436,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[16,152,120,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973075,"usec":742938},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498352,"noise_level":-22.253626,"freq_skew":1.625824,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":394,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973079,"usec":569381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697588,"noise_level":-23.406260,"freq_skew":3.146677,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973079,"usec":586375},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.580702,"noise_level":-23.190399,"freq_skew":3.132978,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[16,152,120,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973080,"usec":328779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796372,"noise_level":-23.090645,"freq_skew":1.520999,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973083,"usec":373392},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613739,"noise_level":-22.531664,"freq_skew":4.029111,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":581,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973083,"usec":376782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.177241,"noise_level":-22.496861,"freq_skew":2.707805,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973084,"usec":923766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.730129,"noise_level":-22.649918,"freq_skew":2.825131,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973084,"usec":923942},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.723905,"noise_level":-22.638140,"freq_skew":2.372681,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31903,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[176,235,11,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973084,"usec":927532},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277443,"noise_level":-22.579496,"freq_skew":2.765032,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[16,152,120,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973084,"usec":929503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.642785,"noise_level":-23.027958,"freq_skew":2.930032,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973085,"usec":677035},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.289551,"noise_level":-22.917879,"freq_skew":7.129570,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DGD","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"A30532","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973085,"usec":683483},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791625,"noise_level":-23.348372,"freq_skew":5.158940,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":11.300000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973086,"usec":442138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925551,"noise_level":-23.242275,"freq_skew":2.554766,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973086,"usec":451342},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797107,"noise_level":-23.129463,"freq_skew":6.914934,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973091,"usec":4235},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986286,"noise_level":-22.587252,"freq_skew":2.504361,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31903,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[43,34,81,150]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":58,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973092,"usec":548943},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.838424,"noise_level":-22.153660,"freq_skew":2.568646,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973092,"usec":569495},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.653851,"noise_level":-21.944715,"freq_skew":3.112925,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[16,152,120,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973094,"usec":70465},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935785,"noise_level":-21.593351,"freq_skew":5.256215,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":11.300000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973095,"usec":593348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142655,"noise_level":-21.728146,"freq_skew":2.672301,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973095,"usec":599771},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.042437,"noise_level":-21.654274,"freq_skew":2.809824,"avlc":{"src":{"addr":"494106","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973097,"usec":125352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125890,"noise_level":-21.242992,"freq_skew":3.469151,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973097,"usec":903427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.687263,"noise_level":-21.353836,"freq_skew":2.702597,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973097,"usec":909968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024664,"noise_level":-21.725901,"freq_skew":2.448564,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973099,"usec":438947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611496,"noise_level":-22.962215,"freq_skew":5.623365,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973102,"usec":468016},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405270,"noise_level":-21.905325,"freq_skew":2.575742,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973102,"usec":472202},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119128,"noise_level":-21.862165,"freq_skew":2.693533,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":47180,"dst_ref":31903,"variable_part_params":[{"name":"atn_checksum","value":[96,154,39,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973108,"usec":576265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546812,"noise_level":-20.158894,"freq_skew":6.229527,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973112,"usec":408310},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.627111,"noise_level":-20.848820,"freq_skew":3.887539,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,87,90,90,0,71,29,113,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973116,"usec":203809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.037954,"noise_level":-21.434864,"freq_skew":3.514416,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973119,"usec":280052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826620,"noise_level":-20.366070,"freq_skew":5.258966,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973123,"usec":828823},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902057,"noise_level":-19.863461,"freq_skew":4.693119,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":70,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11629,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[163,185,64,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973125,"usec":410283},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.698142,"noise_level":-19.610531,"freq_skew":6.087497,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11706,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[239,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973126,"usec":148983},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709715,"noise_level":-19.462311,"freq_skew":6.140733,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11706,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[212,165]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":58,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973126,"usec":909162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024925,"noise_level":-19.356813,"freq_skew":4.945697,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..IFDIA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XA0000","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973131,"usec":467208},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944290,"noise_level":-20.534380,"freq_skew":6.248855,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973134,"usec":562053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958045,"noise_level":-20.877953,"freq_skew":4.629544,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973139,"usec":890174},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.931764,"noise_level":-19.593552,"freq_skew":6.551515,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24951,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[10,50]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973142,"usec":940483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889275,"noise_level":-19.921278,"freq_skew":4.713099,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973142,"usec":948299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146347,"noise_level":-20.274155,"freq_skew":5.492509,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973143,"usec":687819},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765444,"noise_level":-20.247305,"freq_skew":4.877496,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":72,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11629,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,246,222,58]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":59,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973144,"usec":458446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002522,"noise_level":-20.199640,"freq_skew":4.683160,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973145,"usec":246236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695295,"noise_level":-20.067331,"freq_skew":4.974611,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973147,"usec":538568},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039723,"noise_level":-19.782707,"freq_skew":4.874996,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973152,"usec":124163},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395756,"noise_level":-18.656094,"freq_skew":4.278607,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.000000},"alt":6000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973152,"usec":884433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117786,"noise_level":-19.453724,"freq_skew":2.791169,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973152,"usec":885640},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306175,"noise_level":-19.445570,"freq_skew":4.214463,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22127407","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,72,175,7,0,72,175,7,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973153,"usec":629523},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550110,"noise_level":-20.284376,"freq_skew":4.164968,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LVH","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LO0379","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973155,"usec":164696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714985,"noise_level":-20.882504,"freq_skew":4.189261,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973155,"usec":908191},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430551,"noise_level":-22.508808,"freq_skew":4.018459,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LVH","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LO0379","msg_num":"S31","msg_num_seq":"A","msg_text":"0E21659132/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":16,"min":59,"sec":13}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973156,"usec":680681},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.662136,"noise_level":-23.315460,"freq_skew":3.712772,"avlc":{"src":{"addr":"40838A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973156,"usec":681116},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411856,"noise_level":-24.208027,"freq_skew":4.240934,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,72,175,7,0,72,175,7,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973160,"usec":503970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.272203,"noise_level":-24.306772,"freq_skew":4.095863,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973162,"usec":771588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228061,"noise_level":-24.269617,"freq_skew":2.690090,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973164,"usec":300623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509197,"noise_level":-23.587124,"freq_skew":0.848974,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973168,"usec":141697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290482,"noise_level":-22.029055,"freq_skew":6.013289,"avlc":{"src":{"addr":"3C6475","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973171,"usec":171775},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230644,"noise_level":-21.184290,"freq_skew":5.310388,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973172,"usec":745418},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.495710,"noise_level":-20.627634,"freq_skew":2.547930,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":199,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[58,39,14,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973185,"usec":719878},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875907,"noise_level":-19.050568,"freq_skew":4.706809,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..IFDIA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XA0000","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973187,"usec":239925},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.501894,"noise_level":-18.816431,"freq_skew":2.624288,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":715,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11530,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[78,83,134,93]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":16,"min":59,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973189,"usec":520553},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065655,"noise_level":-18.244478,"freq_skew":3.127954,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH04UP","msg_num":"M37","msg_num_seq":"A","msg_text":"00033226766QDB7BYUC44DB3EH:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973189,"usec":520553},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.065655,"noise_level":-18.244478,"freq_skew":3.127954,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062256","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,174,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973189,"usec":532384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888746,"noise_level":-18.947578,"freq_skew":0.866670,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973189,"usec":533294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980128,"noise_level":-18.939886,"freq_skew":3.141519,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973190,"usec":275547},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637229,"noise_level":-18.870968,"freq_skew":3.335981,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973190,"usec":288638},"freq":136975000,"burst_len_octets":155,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226103,"noise_level":-19.929548,"freq_skew":3.160142,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH04UP","msg_num":"M37","msg_num_seq":"A","msg_text":"00033226766QDB7BYUC44DB3EH:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973190,"usec":288638},"freq":136975000,"burst_len_octets":155,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.226103,"noise_level":-19.929548,"freq_skew":3.160142,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":153,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,68,76,72,0,60,100,174],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973191,"usec":57067},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.334327,"noise_level":-19.691593,"freq_skew":2.553608,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":717,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":11530,"variable_part_params":[{"name":"atn_checksum","value":[36,96,118,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973191,"usec":60765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039044,"noise_level":-20.033783,"freq_skew":2.900498,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973191,"usec":62957},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.457797,"noise_level":-20.016363,"freq_skew":3.171045,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973191,"usec":798636},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028137,"noise_level":-19.964304,"freq_skew":3.266063,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"_d","blk_id":"5","ack":"A","flight":"LH04UP","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973193,"usec":381244},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443933,"noise_level":-20.520744,"freq_skew":5.541248,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-KEC","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"KC0922","msg_num":"S24","msg_num_seq":"A","msg_text":"0LS1659512/","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":16,"min":59,"sec":51}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973194,"usec":901121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823447,"noise_level":-21.263445,"freq_skew":5.402476,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973196,"usec":402862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735668,"noise_level":-21.844547,"freq_skew":3.344197,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973196,"usec":419564},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790976,"noise_level":-21.802149,"freq_skew":0.370583,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973198,"usec":731171},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641759,"noise_level":-21.163506,"freq_skew":5.558507,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LZIB"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":8.300000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973199,"usec":491235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753078,"noise_level":-21.232187,"freq_skew":7.865470,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973199,"usec":491445},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559525,"noise_level":-21.232187,"freq_skew":0.095844,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973200,"usec":243916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044194,"noise_level":-22.926962,"freq_skew":3.207965,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973201,"usec":7199},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337117,"noise_level":-23.663441,"freq_skew":5.359700,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973201,"usec":761977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560937,"noise_level":-24.996775,"freq_skew":-0.042666,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973201,"usec":778953},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575762,"noise_level":-25.727943,"freq_skew":5.630724,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973207,"usec":891549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657346,"noise_level":-24.821842,"freq_skew":5.738237,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973207,"usec":893160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822322,"noise_level":-24.918358,"freq_skew":0.604466,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973212,"usec":504790},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624313,"noise_level":-23.193623,"freq_skew":3.460371,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HBLL","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"A523CY","msg_num":"C25","msg_num_seq":"E","sublabel":"CF","msg_text":"0, 80, 71,\n 69, 68, 68, 78,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973214,"usec":3593},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459775,"noise_level":-22.753319,"freq_skew":2.743695,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973214,"usec":21807},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643074,"noise_level":-23.145309,"freq_skew":5.170170,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR95HJ","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973215,"usec":516162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567685,"noise_level":-23.184109,"freq_skew":5.321287,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973215,"usec":525241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.676762,"noise_level":-23.304834,"freq_skew":1.419649,"avlc":{"src":{"addr":"4D2336","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973216,"usec":291100},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993988,"noise_level":-23.010979,"freq_skew":7.681263,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973218,"usec":568554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708982,"noise_level":-22.950111,"freq_skew":5.620829,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973218,"usec":585072},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914703,"noise_level":-22.757088,"freq_skew":5.446130,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973220,"usec":132017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884194,"noise_level":-22.987957,"freq_skew":4.538466,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973220,"usec":137729},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048751,"noise_level":-23.476475,"freq_skew":5.592710,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"FR68QL","msg_num":"S30","msg_num_seq":"A","msg_text":"0E21700072/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":17,"min":0,"sec":7}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973222,"usec":412117},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785430,"noise_level":-24.254482,"freq_skew":5.698066,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973223,"usec":174777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642410,"noise_level":-23.948082,"freq_skew":3.364821,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973225,"usec":445432},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638046,"noise_level":-23.065596,"freq_skew":3.289175,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31963,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[10,124,94,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973227,"usec":754980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762478,"noise_level":-23.091644,"freq_skew":3.549580,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973229,"usec":297688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.905324,"noise_level":-22.664078,"freq_skew":5.588752,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973234,"usec":632076},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030714,"noise_level":-22.628757,"freq_skew":-0.170871,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973235,"usec":403968},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838471,"noise_level":-22.483936,"freq_skew":5.709211,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":84,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":1,"dst_ref":32171,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[211,11]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"transient","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":0,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NOT AUTHORIZED NEXT DATA AUTHORITY","choice":"dM107NULL","data":{}}}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973236,"usec":171851},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148254,"noise_level":-22.289904,"freq_skew":5.588282,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973236,"usec":925858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112566,"noise_level":-22.908613,"freq_skew":6.642815,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973239,"usec":998266},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797327,"noise_level":-23.539095,"freq_skew":3.267056,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973239,"usec":999520},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.881802,"noise_level":-24.031122,"freq_skew":4.662215,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973240,"usec":6963},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693701,"noise_level":-23.985624,"freq_skew":3.563281,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31963,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[180,22,194,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973243,"usec":38894},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994183,"noise_level":-22.790144,"freq_skew":3.447301,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":31963,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[29,5,74,20]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973243,"usec":809772},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712214,"noise_level":-23.251793,"freq_skew":3.348700,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HBLL","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"A523CY","msg_num":"C27","msg_num_seq":"A","sublabel":"CF","msg_text":"FDE1700280909ABQ\n16582715310 0 0\n16585305310 0 0\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973244,"usec":557674},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704654,"noise_level":-25.731699,"freq_skew":4.696596,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..IFDIA","mode":"2","label":"_d","blk_id":"2","ack":"R","flight":"XA0000","msg_num":"M36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973244,"usec":567406},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250088,"noise_level":-25.581768,"freq_skew":3.395092,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973245,"usec":324106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628617,"noise_level":-26.361923,"freq_skew":5.900449,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4775,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973246,"usec":105889},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544962,"noise_level":-26.945473,"freq_skew":3.271178,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973246,"usec":121420},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469883,"noise_level":-26.697826,"freq_skew":3.266072,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":417,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":7884,"dst_ref":31963,"variable_part_params":[{"name":"atn_checksum","value":[244,104,197,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973246,"usec":883054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978571,"noise_level":-27.090996,"freq_skew":5.304163,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973249,"usec":143859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339341,"noise_level":-27.503952,"freq_skew":3.119831,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973249,"usec":156814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967544,"noise_level":-27.260122,"freq_skew":4.650831,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973252,"usec":185479},"freq":136975000,"burst_len_octets":257,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504106,"noise_level":-25.930504,"freq_skew":4.132374,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SP-LVH","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LO0379","msg_num":"197","msg_num_seq":"D","sublabel":"T1","msg_text":"CbZbWiARInBFOILkmwMbAozKnXpJcQOKfCKTrB2i0MywC2zqwK42MOIGYQJGNuOl+3gKTSK8rvMQvRLGV1XoRhxgInGsUEawRTgJAJophwpLASSGIKNcFEBGBlNlscigALABgAqMQJh6fMh5AOGabQAVKR39sVtYAXoCmDpURKYE2hgDgxTipXTMwTJDlWiBPMNOIKk7C8lskb"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973253,"usec":765590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489968,"noise_level":-25.735893,"freq_skew":4.067004,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973256,"usec":796661},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502287,"noise_level":-24.670391,"freq_skew":7.903813,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":18,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973257,"usec":570857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919888,"noise_level":-25.332422,"freq_skew":3.243914,"avlc":{"src":{"addr":"AE0136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973258,"usec":318820},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611311,"noise_level":-25.126255,"freq_skew":3.373996,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11790,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[115,19,180,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973258,"usec":321470},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066708,"noise_level":-25.094965,"freq_skew":4.682973,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH07LY","msg_num":"M83","msg_num_seq":"A","msg_text":"00389234297N79UKYCY RR4L+U+T6MS6L"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973261,"usec":395379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912251,"noise_level":-24.070202,"freq_skew":4.571656,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973265,"usec":201480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617619,"noise_level":-23.466454,"freq_skew":4.875682,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973265,"usec":957436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496906,"noise_level":-23.755751,"freq_skew":2.693451,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973271,"usec":297997},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.728055,"noise_level":-22.573528,"freq_skew":2.902373,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973278,"usec":185795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169880,"noise_level":-20.346720,"freq_skew":3.021593,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973278,"usec":951161},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789644,"noise_level":-20.035955,"freq_skew":5.608438,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":87,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":2,"dst_ref":32174,"variable_part_params":[{"name":"checksum","value":[202,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973279,"usec":689732},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138532,"noise_level":-19.992455,"freq_skew":2.951577,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973279,"usec":692284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742916,"noise_level":-20.399549,"freq_skew":4.593928,"avlc":{"src":{"addr":"3009C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973280,"usec":488430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.686499,"noise_level":-20.228441,"freq_skew":4.766521,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973282,"usec":781795},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.650637,"noise_level":-19.560246,"freq_skew":2.818587,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973284,"usec":290695},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000030,"noise_level":-19.317181,"freq_skew":5.649396,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":479,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973288,"usec":140543},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814095,"noise_level":-19.067867,"freq_skew":4.504402,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,77,76,72,0,77,35,146,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":560,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":75,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[146,1]},{"name":"atn_checksum","value":[82,21,213,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973289,"usec":670362},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329416,"noise_level":-20.459755,"freq_skew":4.312345,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973292,"usec":698193},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813314,"noise_level":-22.908119,"freq_skew":0.677991,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JYP","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"TK03KY","msg_num":"M65","msg_num_seq":"A","msg_text":"/N 48.632/E 10.278/25594/0909/1701/08544/1919/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973295,"usec":11010},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002350,"noise_level":-23.114794,"freq_skew":2.825543,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":53,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[101,101,170,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973298,"usec":806883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.631521,"noise_level":-22.234791,"freq_skew":4.786304,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973301,"usec":884414},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676815,"noise_level":-21.148472,"freq_skew":0.861182,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973303,"usec":431503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081903,"noise_level":-21.322355,"freq_skew":-0.192037,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973307,"usec":250284},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027346,"noise_level":-20.777714,"freq_skew":4.247412,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973308,"usec":763878},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174797,"noise_level":-21.140537,"freq_skew":7.956371,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973310,"usec":306587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605496,"noise_level":-23.078636,"freq_skew":5.088999,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973311,"usec":806904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768567,"noise_level":-23.266369,"freq_skew":4.266972,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973312,"usec":580346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225630,"noise_level":-22.846529,"freq_skew":4.432087,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973313,"usec":342437},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.255597,"noise_level":-22.952717,"freq_skew":4.857253,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973314,"usec":127187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091852,"noise_level":-22.807505,"freq_skew":-0.173831,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973318,"usec":682953},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656229,"noise_level":-22.087143,"freq_skew":3.310331,"avlc":{"src":{"addr":"39856B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":151,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":11,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973324,"usec":807165},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942163,"noise_level":-22.705614,"freq_skew":4.215481,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973334,"usec":22048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349576,"noise_level":-20.521126,"freq_skew":5.426178,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973334,"usec":776243},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451426,"noise_level":-20.614353,"freq_skew":4.415610,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":795,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973335,"usec":519041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.054074,"noise_level":-21.593914,"freq_skew":5.192626,"avlc":{"src":{"addr":"4B0281","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973336,"usec":285172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.256324,"noise_level":-21.357151,"freq_skew":4.436468,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973344,"usec":695251},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858728,"noise_level":-20.001478,"freq_skew":3.410767,"avlc":{"src":{"addr":"4BCE05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":420,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11790,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[50,83,234,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973347,"usec":779660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.611004,"noise_level":-20.084209,"freq_skew":4.440681,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973349,"usec":301156},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589562,"noise_level":-19.673103,"freq_skew":5.517208,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973353,"usec":82312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.782675,"noise_level":-19.302504,"freq_skew":2.876341,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973353,"usec":86090},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127626,"noise_level":-19.634377,"freq_skew":5.164914,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4615,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[87,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973354,"usec":636763},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614361,"noise_level":-19.396782,"freq_skew":5.308798,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973354,"usec":640352},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750630,"noise_level":-19.826601,"freq_skew":4.584867,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH07LY","msg_num":"M84","msg_num_seq":"A","msg_text":"00390209271G+K:+EJTTJYJ2QWVEPUGM2,+,B97ROHV7++287 24996XX*V4VE3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973356,"usec":931288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092983,"noise_level":-20.543909,"freq_skew":4.497983,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973358,"usec":450863},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.542999,"noise_level":-20.795538,"freq_skew":3.657053,"avlc":{"src":{"addr":"495212","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":32180,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[202,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973365,"usec":305353},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354662,"noise_level":-19.046751,"freq_skew":4.608490,"avlc":{"src":{"addr":"4B193F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973368,"usec":398264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831324,"noise_level":-19.440832,"freq_skew":7.677090,"avlc":{"src":{"addr":"4D02B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973377,"usec":554865},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035170,"noise_level":-19.179867,"freq_skew":4.660175,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973379,"usec":70071},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931635,"noise_level":-20.127745,"freq_skew":5.172052,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4620,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":23,"dst_ref":55204,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[19,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973379,"usec":853592},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465731,"noise_level":-20.179785,"freq_skew":4.046324,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":582,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973380,"usec":579518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509373,"noise_level":-21.136860,"freq_skew":5.415473,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973380,"usec":582120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.964703,"noise_level":-21.077656,"freq_skew":4.635828,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973381,"usec":409031},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548922,"noise_level":-21.165295,"freq_skew":5.372205,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55206,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[161,188]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":2,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973382,"usec":917415},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443455,"noise_level":-21.151436,"freq_skew":5.111825,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55206,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[107,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973384,"usec":444580},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414486,"noise_level":-21.895264,"freq_skew":4.086266,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973385,"usec":193804},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569197,"noise_level":-21.955832,"freq_skew":4.603228,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.600000},"alt":14000}},{"name":"alternate_ground_stations","value":["1098FA","109D4A","109C5A","1092FA","10902A","10981A","109F2A","1094DA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973385,"usec":946379},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732200,"noise_level":-22.319334,"freq_skew":5.189033,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4627,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55206,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[99,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":3,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973386,"usec":714333},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661330,"noise_level":-22.577627,"freq_skew":5.412761,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4628,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973386,"usec":736963},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579313,"noise_level":-22.324247,"freq_skew":5.360207,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973387,"usec":472540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.337365,"noise_level":-22.810400,"freq_skew":3.689173,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973389,"usec":39171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354934,"noise_level":-22.151764,"freq_skew":5.370517,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973394,"usec":364971},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419045,"noise_level":-22.024410,"freq_skew":4.606475,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH07LY","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973395,"usec":143156},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709006,"noise_level":-23.031969,"freq_skew":2.929618,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":386,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32153,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[71,253,194,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973395,"usec":143308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797618,"noise_level":-23.784142,"freq_skew":3.896362,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973395,"usec":921775},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.438060,"noise_level":-23.403191,"freq_skew":2.693473,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973398,"usec":195542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.418438,"noise_level":-23.572784,"freq_skew":3.687418,"avlc":{"src":{"addr":"495212","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973398,"usec":200853},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595589,"noise_level":-24.444130,"freq_skew":3.976798,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":796,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11652,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[25,204,190,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973398,"usec":207338},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314747,"noise_level":-24.343296,"freq_skew":4.066847,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SEM","mode":"2","label":"B9","blk_id":"0","ack":"!","flight":"XQ062Q","msg_num":"M20","msg_num_seq":"A","msg_text":"/EDDL.TI2/024EDDLAFF8D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973400,"usec":460234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311372,"noise_level":-24.138351,"freq_skew":4.341011,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973402,"usec":790950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309251,"noise_level":-23.607624,"freq_skew":0.025985,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973408,"usec":925337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.530497,"noise_level":-22.594423,"freq_skew":0.346295,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-FDZY","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"BY04XH","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973408,"usec":927779},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222303,"noise_level":-22.571037,"freq_skew":4.052558,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SEM","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"XQ062Q","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973410,"usec":415170},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350879,"noise_level":-22.772543,"freq_skew":4.188233,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SEM","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"XQ062Q","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973411,"usec":179662},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633277,"noise_level":-22.848862,"freq_skew":2.922930,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36057,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[101,101,170,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973412,"usec":708872},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994053,"noise_level":-22.322538,"freq_skew":5.251376,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973415,"usec":785192},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.424059,"noise_level":-23.919085,"freq_skew":4.055705,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973416,"usec":558207},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.467443,"noise_level":-23.963390,"freq_skew":2.760195,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973417,"usec":297411},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687532,"noise_level":-24.161343,"freq_skew":5.220364,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4631,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[87,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973418,"usec":67075},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.432063,"noise_level":-23.710442,"freq_skew":0.342871,"avlc":{"src":{"addr":"40660C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973418,"usec":77543},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540452,"noise_level":-23.578300,"freq_skew":3.255817,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026317","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,207,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973418,"usec":77966},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.841717,"noise_level":-23.578300,"freq_skew":4.203635,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973421,"usec":111919},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858112,"noise_level":-22.368338,"freq_skew":5.092429,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55206,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[211,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":3,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973421,"usec":123628},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.476955,"noise_level":-22.254993,"freq_skew":3.971741,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973422,"usec":666957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549088,"noise_level":-21.869545,"freq_skew":5.351153,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973422,"usec":673475},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907856,"noise_level":-22.095394,"freq_skew":3.033632,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973423,"usec":437494},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.100408,"noise_level":-21.748623,"freq_skew":7.154286,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4170,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55201,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[35,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":3,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973424,"usec":195015},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575050,"noise_level":-21.476723,"freq_skew":5.179951,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973424,"usec":197932},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059947,"noise_level":-21.435638,"freq_skew":0.566445,"avlc":{"src":{"addr":"3C6674","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973425,"usec":701908},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478054,"noise_level":-22.633495,"freq_skew":0.535430,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973425,"usec":724023},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750856,"noise_level":-22.412836,"freq_skew":5.042985,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55206,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[84,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973426,"usec":464508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572590,"noise_level":-22.276306,"freq_skew":5.109409,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLX","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR92MY","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973426,"usec":475655},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957372,"noise_level":-22.418955,"freq_skew":4.325576,"avlc":{"src":{"addr":"4B193F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":460,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973426,"usec":476320},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134716,"noise_level":-22.407486,"freq_skew":5.240952,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55206,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[80,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973427,"usec":977191},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835406,"noise_level":-22.152657,"freq_skew":5.134233,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55206,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":3,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973427,"usec":991554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872199,"noise_level":-21.943739,"freq_skew":5.222282,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973428,"usec":781647},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821084,"noise_level":-21.846504,"freq_skew":3.221390,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWN","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH03KA","msg_num":"M19","msg_num_seq":"A","msg_text":"00098237796)NPUJ8R)SSAL966K7-K:MMV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973430,"usec":318038},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909956,"noise_level":-22.222595,"freq_skew":5.217639,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55206,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":3,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973430,"usec":320269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832637,"noise_level":-22.879438,"freq_skew":3.070560,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973435,"usec":665938},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.626172,"noise_level":-23.233360,"freq_skew":7.320007,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973437,"usec":939392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890361,"noise_level":-22.393105,"freq_skew":5.819730,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973440,"usec":207304},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182309,"noise_level":-22.028963,"freq_skew":7.252319,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55201,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[105,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973445,"usec":574779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559083,"noise_level":-21.137371,"freq_skew":0.688281,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973447,"usec":115570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625613,"noise_level":-20.691721,"freq_skew":5.752421,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973447,"usec":847124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.515187,"noise_level":-20.707056,"freq_skew":6.372214,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973447,"usec":850141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375067,"noise_level":-20.641346,"freq_skew":4.429915,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973448,"usec":674877},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.399681,"noise_level":-21.070299,"freq_skew":4.796913,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.200000},"alt":31000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973451,"usec":705664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726812,"noise_level":-22.885193,"freq_skew":4.975617,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973457,"usec":841292},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522367,"noise_level":-20.608246,"freq_skew":4.296542,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973460,"usec":110770},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779761,"noise_level":-20.800442,"freq_skew":3.106036,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWN","mode":"2","label":"_d","blk_id":"1","ack":"V","flight":"LH03KA","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973470,"usec":816815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942545,"noise_level":-21.779877,"freq_skew":4.889743,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973473,"usec":105446},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110449,"noise_level":-20.860146,"freq_skew":5.126935,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[87,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973477,"usec":712534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966188,"noise_level":-20.050203,"freq_skew":4.042328,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973480,"usec":729877},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133652,"noise_level":-20.462154,"freq_skew":7.215216,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55201,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[3,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":4,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973482,"usec":288478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.302467,"noise_level":-20.335686,"freq_skew":7.063788,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973483,"usec":805904},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986344,"noise_level":-19.895611,"freq_skew":2.585599,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973483,"usec":812573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014315,"noise_level":-19.852806,"freq_skew":2.866986,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973483,"usec":812732},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168328,"noise_level":-19.852806,"freq_skew":2.763743,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":4,"chan_num":1,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973485,"usec":321459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.957434,"noise_level":-20.816608,"freq_skew":2.611724,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973486,"usec":853403},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012100,"noise_level":-21.255928,"freq_skew":7.066364,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55201,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[197,4]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":4,"sec":45}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973491,"usec":454216},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080478,"noise_level":-20.920265,"freq_skew":6.954783,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUZ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"X309WA","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973493,"usec":721593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537470,"noise_level":-21.656654,"freq_skew":4.027358,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973495,"usec":253944},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.891815,"noise_level":-22.791229,"freq_skew":5.736615,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"PC878C","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973496,"usec":27},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.031929,"noise_level":-22.684090,"freq_skew":7.196495,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17006262","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,178,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973496,"usec":17371},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505148,"noise_level":-22.485256,"freq_skew":5.759658,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"PC878C","msg_num":"S12","msg_num_seq":"A","msg_text":"0EV170453V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":4,"sec":53}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973496,"usec":815067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602643,"noise_level":-22.366762,"freq_skew":0.565048,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973499,"usec":87058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.537856,"noise_level":-22.881088,"freq_skew":4.039743,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973501,"usec":370273},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846930,"noise_level":-23.123642,"freq_skew":7.091386,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17006262","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,178,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973502,"usec":887042},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910179,"noise_level":-23.658897,"freq_skew":0.685638,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11867,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[17,106,46,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973503,"usec":676117},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724702,"noise_level":-24.641384,"freq_skew":4.566425,"avlc":{"src":{"addr":"48AF07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973503,"usec":694610},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515586,"noise_level":-24.450813,"freq_skew":0.450322,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973503,"usec":703001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575641,"noise_level":-25.588348,"freq_skew":3.538070,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973505,"usec":200664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635550,"noise_level":-25.651409,"freq_skew":0.582281,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973506,"usec":720128},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.774119,"noise_level":-25.065132,"freq_skew":4.093529,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.700000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973506,"usec":721523},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685677,"noise_level":-26.230839,"freq_skew":1.916846,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":8.800000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973507,"usec":489238},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658329,"noise_level":-25.830843,"freq_skew":6.385932,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_LCR","type_descr":"Link Connection Refused Response","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973508,"usec":990736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702115,"noise_level":-26.885696,"freq_skew":4.641250,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973509,"usec":797337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742025,"noise_level":-27.200108,"freq_skew":7.316195,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973509,"usec":802465},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027481,"noise_level":-27.081528,"freq_skew":4.785019,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55206,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[39,114]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973512,"usec":94044},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637188,"noise_level":-27.374630,"freq_skew":3.160291,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":253,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973512,"usec":842823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725880,"noise_level":-27.016661,"freq_skew":6.260859,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973516,"usec":695098},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708795,"noise_level":-25.722504,"freq_skew":0.619442,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973520,"usec":478580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715273,"noise_level":-25.991882,"freq_skew":4.212564,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973522,"usec":801830},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.196493,"noise_level":-25.664356,"freq_skew":2.428249,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILA","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH03YE","msg_num":"M96","msg_num_seq":"A","msg_text":"00647209213M,:VHQYVJSJDDR(ETB3XXJJHE5DJ7(SBB,,9 6379E**,GM3IG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973522,"usec":814621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112588,"noise_level":-25.482849,"freq_skew":2.722455,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973523,"usec":578919},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.079275,"noise_level":-25.883846,"freq_skew":0.755321,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973523,"usec":578919},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.079275,"noise_level":-25.883846,"freq_skew":0.755321,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11868,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[166,60,41,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973525,"usec":860005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.412505,"noise_level":-25.884060,"freq_skew":4.220863,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973526,"usec":616410},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587283,"noise_level":-25.466721,"freq_skew":0.645996,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":236,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11868,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[81,213,141,143]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973526,"usec":616410},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.587283,"noise_level":-25.466721,"freq_skew":0.645996,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11868,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,77,187,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":5,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973527,"usec":375010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554649,"noise_level":-25.115349,"freq_skew":6.004095,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":422,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973528,"usec":111104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364046,"noise_level":-26.063898,"freq_skew":0.437028,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973528,"usec":130395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385625,"noise_level":-25.721558,"freq_skew":3.035046,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973529,"usec":681463},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978071,"noise_level":-25.137417,"freq_skew":2.483391,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILA","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH03YE","msg_num":"M99","msg_num_seq":"A","msg_text":"006492342912(V8RPE,EEDDZ1K7,-15OBF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973530,"usec":450360},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.420660,"noise_level":-24.604845,"freq_skew":4.712290,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973532,"usec":737567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454190,"noise_level":-24.366230,"freq_skew":3.144267,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973533,"usec":472041},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920478,"noise_level":-24.323257,"freq_skew":2.450735,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILA","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH03YE","msg_num":"M99","msg_num_seq":"A","msg_text":"006492342912(V8RPE,EEDDZ1K7,-15OBF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973533,"usec":475998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182953,"noise_level":-25.146805,"freq_skew":0.636174,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973533,"usec":478099},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903922,"noise_level":-25.115442,"freq_skew":5.103049,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":4640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":22,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[87,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973533,"usec":491405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721016,"noise_level":-24.914301,"freq_skew":4.207030,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973534,"usec":242971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089845,"noise_level":-24.717712,"freq_skew":0.111514,"avlc":{"src":{"addr":"88516B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973534,"usec":250605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.499331,"noise_level":-25.277771,"freq_skew":4.080981,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973535,"usec":753715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.563532,"noise_level":-25.310436,"freq_skew":4.578367,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973536,"usec":521754},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622253,"noise_level":-24.782526,"freq_skew":4.859639,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMK","mode":"2","label":"_d","blk_id":"0","ack":"L","flight":"XQ04DQ","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973536,"usec":524464},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805233,"noise_level":-24.752449,"freq_skew":6.017174,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973537,"usec":321076},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.550284,"noise_level":-24.489515,"freq_skew":4.488680,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":727,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11036,"dst_ref":181,"variable_part_params":[{"name":"atn_checksum","value":[118,66,45,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973538,"usec":75255},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.607697,"noise_level":-24.345076,"freq_skew":2.718617,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":68,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25017,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[15,73,243,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973538,"usec":862572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.511725,"noise_level":-24.106117,"freq_skew":4.131621,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973541,"usec":134538},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594845,"noise_level":-23.088394,"freq_skew":4.946918,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMK","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"XQ04DQ","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973543,"usec":429656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737260,"noise_level":-23.459093,"freq_skew":2.472670,"avlc":{"src":{"addr":"3C6581","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973545,"usec":707763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347973,"noise_level":-23.424006,"freq_skew":6.258011,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973546,"usec":485421},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477485,"noise_level":-23.105297,"freq_skew":4.780234,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22744220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,200,144,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973547,"usec":247300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837791,"noise_level":-22.776295,"freq_skew":4.873250,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973547,"usec":998938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.133483,"noise_level":-24.218864,"freq_skew":4.710342,"avlc":{"src":{"addr":"234837","type":"Ground station","status":"On ground"},"dst":{"addr":"48AF07","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973548,"usec":749844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695549,"noise_level":-24.837509,"freq_skew":4.682675,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973548,"usec":753916},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757286,"noise_level":-25.898968,"freq_skew":5.043032,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":9.200000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973548,"usec":760936},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004709,"noise_level":-25.746143,"freq_skew":5.133919,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOB","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH035U","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973549,"usec":517095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648192,"noise_level":-26.491272,"freq_skew":4.217458,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973550,"usec":315511},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788874,"noise_level":-26.096897,"freq_skew":2.097477,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEL","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"LH0309","msg_num":"S33","msg_num_seq":"A","msg_text":"0EV170547V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":5,"sec":47}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973551,"usec":82050},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074370,"noise_level":-26.393711,"freq_skew":3.572825,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N729CA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"N80924","msg_num":"C03","msg_num_seq":"B","sublabel":"CF","msg_text":" D 2436809SEP2617032411G19 DCHA\r\n\r\n\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973551,"usec":848247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299618,"noise_level":-25.866032,"freq_skew":2.066497,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973552,"usec":592321},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143970,"noise_level":-26.519184,"freq_skew":4.883115,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973552,"usec":598814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325861,"noise_level":-26.427673,"freq_skew":3.702534,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973552,"usec":601820},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513964,"noise_level":-26.373230,"freq_skew":0.381464,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":239,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":19910,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[21,5]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973552,"usec":610332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983280,"noise_level":-26.229687,"freq_skew":5.108291,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973552,"usec":612907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713883,"noise_level":-26.238348,"freq_skew":7.304113,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973554,"usec":117210},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895787,"noise_level":-25.728188,"freq_skew":4.966086,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973555,"usec":634295},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612808,"noise_level":-25.003422,"freq_skew":5.088142,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1837,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11638,"credit":5,"rseq":19,"variable_part_params":[{"name":"checksum","value":[254,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973555,"usec":648318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357536,"noise_level":-24.804829,"freq_skew":5.453043,"avlc":{"src":{"addr":"48C2A0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973557,"usec":201947},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.513348,"noise_level":-24.880562,"freq_skew":6.015634,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973557,"usec":203418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919735,"noise_level":-24.865341,"freq_skew":4.964885,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973557,"usec":962074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.413468,"noise_level":-24.546110,"freq_skew":6.569758,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973560,"usec":226128},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662800,"noise_level":-24.083096,"freq_skew":7.258213,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55201,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[66,90]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973560,"usec":987990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517531,"noise_level":-24.027676,"freq_skew":1.792899,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973564,"usec":74516},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.319078,"noise_level":-23.418343,"freq_skew":7.211375,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973565,"usec":598491},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914087,"noise_level":-23.511963,"freq_skew":2.083174,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973565,"usec":598491},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.914087,"noise_level":-23.511963,"freq_skew":2.083174,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWQ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH045B","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973565,"usec":600479},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719004,"noise_level":-24.194584,"freq_skew":2.090235,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053361","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,241,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973566,"usec":370975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.856100,"noise_level":-23.768766,"freq_skew":4.266010,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973568,"usec":635222},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465971,"noise_level":-24.795771,"freq_skew":3.267952,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973568,"usec":643857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149158,"noise_level":-24.675903,"freq_skew":5.005354,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973568,"usec":649574},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.410225,"noise_level":-24.631376,"freq_skew":3.926156,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973569,"usec":409553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564603,"noise_level":-25.427950,"freq_skew":1.855423,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973570,"usec":201770},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390079,"noise_level":-25.172134,"freq_skew":4.946126,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973571,"usec":723215},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409428,"noise_level":-24.289024,"freq_skew":3.753671,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973571,"usec":726168},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740377,"noise_level":-25.481915,"freq_skew":3.040064,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":388,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973573,"usec":230561},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818563,"noise_level":-25.632631,"freq_skew":5.169536,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1839,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11638,"sseq":18,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[213,85]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":18,"msg_ref":17,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":6,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973575,"usec":507554},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771803,"noise_level":-25.115036,"freq_skew":4.990446,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1841,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11638,"sseq":19,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[157,106]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":19,"msg_ref":18,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":6,"sec":13}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973575,"usec":511117},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215266,"noise_level":-25.198000,"freq_skew":4.778732,"avlc":{"src":{"addr":"49D5D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973575,"usec":519110},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860656,"noise_level":-25.072491,"freq_skew":3.212635,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973577,"usec":62867},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485364,"noise_level":-24.499910,"freq_skew":5.064624,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1842,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11638,"credit":5,"rseq":21,"variable_part_params":[{"name":"checksum","value":[246,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973577,"usec":64083},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606637,"noise_level":-24.499910,"freq_skew":2.915704,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973578,"usec":588012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.330730,"noise_level":-24.116842,"freq_skew":5.007472,"avlc":{"src":{"addr":"4B0281","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973580,"usec":882505},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590896,"noise_level":-24.428535,"freq_skew":1.879833,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":11645,"variable_part_params":[{"name":"atn_checksum","value":[74,205,239,43]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973581,"usec":623068},"freq":136975000,"burst_len_octets":235,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722867,"noise_level":-24.242525,"freq_skew":3.268861,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N729CA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"N80924","msg_num":"D26","msg_num_seq":"G","sublabel":"DF","msg_text":"001002.0001.9-00.1086-058566.7490-59.01550\r\nC-0000001.8002.1-00.1087-059566.2491-59.01348\r\nLO000.3000.700.0-00.4000.1-0.2-00.2-00.4\r\nLI001.4-01.200.0\r\nRI-01.5-00.800.0\r\nRO-00.2001.300.0\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973581,"usec":624234},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834908,"noise_level":-24.228380,"freq_skew":5.124933,"avlc":{"src":{"addr":"4B0281","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":504,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973583,"usec":141871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585672,"noise_level":-23.548996,"freq_skew":3.496463,"avlc":{"src":{"addr":"A9C52E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973584,"usec":719105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031411,"noise_level":-24.744122,"freq_skew":5.566276,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973586,"usec":226318},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655041,"noise_level":-24.150002,"freq_skew":5.017080,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":545,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973586,"usec":227185},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596057,"noise_level":-24.184071,"freq_skew":5.757757,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973586,"usec":992385},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971892,"noise_level":-24.977386,"freq_skew":4.969774,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973588,"usec":517897},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511948,"noise_level":-24.986746,"freq_skew":4.990582,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1843,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973590,"usec":44172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733646,"noise_level":-24.981977,"freq_skew":5.576063,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973591,"usec":582719},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059744,"noise_level":-24.673063,"freq_skew":5.818406,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973593,"usec":109116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373693,"noise_level":-25.042053,"freq_skew":0.464318,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973593,"usec":116246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523844,"noise_level":-25.784477,"freq_skew":5.001011,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973595,"usec":380625},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698196,"noise_level":-25.924177,"freq_skew":4.082393,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11652,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[184,143,156,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":6,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973596,"usec":134105},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823193,"noise_level":-26.778351,"freq_skew":5.766644,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973598,"usec":482885},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619247,"noise_level":-26.885565,"freq_skew":6.452278,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":65,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[128,108]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973602,"usec":257621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562320,"noise_level":-25.363533,"freq_skew":4.863775,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973603,"usec":25767},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649358,"noise_level":-25.720976,"freq_skew":-0.096801,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":204,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973608,"usec":392735},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267982,"noise_level":-23.116028,"freq_skew":3.455714,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":3}},{"name":"dst_airport","value":"EINN"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":6.100000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973613,"usec":751643},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008038,"noise_level":-21.542845,"freq_skew":4.781466,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973616,"usec":8660},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.027075,"noise_level":-21.161959,"freq_skew":3.451640,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N626RA","mode":"2","label":"_d","blk_id":"9","ack":"E","flight":"GS626R","msg_num":"M27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973616,"usec":17619},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.241413,"noise_level":-21.043615,"freq_skew":3.802082,"avlc":{"src":{"addr":"3C65E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973617,"usec":568758},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.621085,"noise_level":-20.726252,"freq_skew":6.901985,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55201,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[82,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973619,"usec":100147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.334482,"noise_level":-20.150799,"freq_skew":4.131544,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973626,"usec":732117},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.640317,"noise_level":-21.059185,"freq_skew":5.077249,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1845,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11638,"sseq":20,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[198,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":20,"msg_ref":21,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":7,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973628,"usec":257806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251481,"noise_level":-21.797024,"freq_skew":0.531177,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973628,"usec":271889},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460888,"noise_level":-22.560116,"freq_skew":0.610644,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973629,"usec":781470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837408,"noise_level":-23.230762,"freq_skew":0.424338,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973632,"usec":102963},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873181,"noise_level":-23.471107,"freq_skew":0.370486,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973635,"usec":129785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895210,"noise_level":-23.532896,"freq_skew":5.026720,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973636,"usec":651128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262308,"noise_level":-24.288576,"freq_skew":4.050551,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973638,"usec":211709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702303,"noise_level":-23.604649,"freq_skew":1.584710,"avlc":{"src":{"addr":"4BCDCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973640,"usec":500799},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948586,"noise_level":-23.450760,"freq_skew":3.066573,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062256","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,174,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973640,"usec":516798},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741038,"noise_level":-23.381325,"freq_skew":4.995249,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1847,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":13,"dst_ref":11638,"variable_part_params":[{"name":"checksum","value":[34,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973641,"usec":251315},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.728339,"noise_level":-23.628235,"freq_skew":3.009030,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973643,"usec":533835},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755811,"noise_level":-23.564831,"freq_skew":3.041183,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973644,"usec":350055},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012450,"noise_level":-23.032942,"freq_skew":0.547233,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973645,"usec":92964},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711688,"noise_level":-23.964727,"freq_skew":0.274283,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11868,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[111,5,138,159]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11868,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[100,111,89,148]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":7,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973645,"usec":106542},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867963,"noise_level":-24.796459,"freq_skew":3.169618,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BT0293","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973646,"usec":609473},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818636,"noise_level":-24.241228,"freq_skew":0.472000,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11868,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[26,66,186,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973652,"usec":735822},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.768947,"noise_level":-21.796072,"freq_skew":4.242231,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4917","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":191,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[140,82,206,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973658,"usec":96222},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.455937,"noise_level":-20.740938,"freq_skew":2.446230,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25017,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[15,73,243,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973659,"usec":616445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.758709,"noise_level":-20.655935,"freq_skew":3.059690,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973660,"usec":377645},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719212,"noise_level":-20.406628,"freq_skew":3.602709,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.800000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973662,"usec":644817},"freq":136975000,"burst_len_octets":175,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-11.339145,"noise_level":-21.206247,"freq_skew":4.111433,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973663,"usec":424599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.071013,"noise_level":-20.777864,"freq_skew":1.753797,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973664,"usec":176494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.029824,"noise_level":-20.627182,"freq_skew":2.264616,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973664,"usec":193352},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799774,"noise_level":-20.506649,"freq_skew":3.530324,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUQ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH03GX","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973664,"usec":981494},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732171,"noise_level":-20.739527,"freq_skew":0.193344,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973665,"usec":739454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825220,"noise_level":-21.356758,"freq_skew":3.702546,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973666,"usec":503062},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145235,"noise_level":-21.454967,"freq_skew":3.689797,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973669,"usec":526770},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545149,"noise_level":-20.567339,"freq_skew":0.117811,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973671,"usec":69438},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.172923,"noise_level":-21.473946,"freq_skew":2.271297,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":27,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973671,"usec":845939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109932,"noise_level":-21.443123,"freq_skew":5.143989,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11FA7A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"UA","pf":true,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973673,"usec":388693},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.285592,"noise_level":-22.031450,"freq_skew":4.901964,"avlc":{"src":{"addr":"4CA303","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55206,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[61,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973674,"usec":147127},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168754,"noise_level":-21.825394,"freq_skew":3.795443,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUQ","mode":"2","label":"_d","blk_id":"0","ack":"R","flight":"LH03GX","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973676,"usec":407232},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924893,"noise_level":-22.370876,"freq_skew":1.831811,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":92,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973676,"usec":408279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792528,"noise_level":-23.339520,"freq_skew":4.129617,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973676,"usec":420975},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.195657,"noise_level":-24.086496,"freq_skew":2.966489,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973677,"usec":171111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506031,"noise_level":-24.211998,"freq_skew":0.225125,"avlc":{"src":{"addr":"4BAB30","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973677,"usec":180185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648515,"noise_level":-24.085957,"freq_skew":5.989538,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973678,"usec":721033},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.985489,"noise_level":-24.122414,"freq_skew":7.337874,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55201,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[63,88]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973678,"usec":727952},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.303767,"noise_level":-24.025227,"freq_skew":5.114421,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"20765140","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,67,234,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973678,"usec":732437},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680696,"noise_level":-23.970175,"freq_skew":5.824708,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7782,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973679,"usec":485497},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952392,"noise_level":-23.807085,"freq_skew":1.896556,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":396,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973679,"usec":505455},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767823,"noise_level":-23.905277,"freq_skew":1.993458,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":92,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973680,"usec":236167},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792214,"noise_level":-23.703384,"freq_skew":2.921851,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"_d","blk_id":"9","ack":"C","flight":"LH04UP","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973680,"usec":237117},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.533435,"noise_level":-23.887142,"freq_skew":3.757361,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUQ","mode":"2","label":"_d","blk_id":"0","ack":"R","flight":"LH03GX","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973681,"usec":765051},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686500,"noise_level":-23.810423,"freq_skew":7.136488,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21002346","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,4,230,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973681,"usec":776588},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.567968,"noise_level":-23.663511,"freq_skew":3.918865,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55211,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[204,230,11,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":8,"sec":0}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973681,"usec":780734},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048428,"noise_level":-23.623871,"freq_skew":1.679589,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973682,"usec":528338},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923038,"noise_level":-23.569384,"freq_skew":1.870153,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":92,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973683,"usec":275930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.805714,"noise_level":-24.451712,"freq_skew":4.250328,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973684,"usec":839014},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260887,"noise_level":-25.340147,"freq_skew":2.005955,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973684,"usec":851269},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680378,"noise_level":-25.429512,"freq_skew":7.376324,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC32PZ","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973685,"usec":603509},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570690,"noise_level":-25.609776,"freq_skew":4.116166,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973685,"usec":605422},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622242,"noise_level":-25.576698,"freq_skew":7.423550,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-VAR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FB020T","msg_num":"M36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973685,"usec":622015},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738831,"noise_level":-25.805216,"freq_skew":6.911752,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21216606","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,70,66,70,0,69,29,134,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973687,"usec":875048},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387544,"noise_level":-25.659544,"freq_skew":1.993568,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973687,"usec":877193},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899226,"noise_level":-25.626278,"freq_skew":6.771645,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973687,"usec":901920},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045531,"noise_level":-25.268524,"freq_skew":7.169107,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC32PZ","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973688,"usec":649496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986619,"noise_level":-25.001831,"freq_skew":7.092294,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973689,"usec":398738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364969,"noise_level":-24.758091,"freq_skew":1.626148,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973689,"usec":405257},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606562,"noise_level":-24.564970,"freq_skew":6.768178,"avlc":{"src":{"addr":"4BCE0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":10.900001},"alt":31000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973691,"usec":686718},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805892,"noise_level":-23.540634,"freq_skew":6.854108,"avlc":{"src":{"addr":"4BCE0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973691,"usec":687923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953709,"noise_level":-23.527586,"freq_skew":5.912489,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973693,"usec":241595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465848,"noise_level":-23.021135,"freq_skew":6.949934,"avlc":{"src":{"addr":"4BCE0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973697,"usec":783098},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708982,"noise_level":-22.219782,"freq_skew":1.441714,"avlc":{"src":{"addr":"4BCDCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973698,"usec":615268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529872,"noise_level":-21.729212,"freq_skew":3.724887,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973700,"usec":877218},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910142,"noise_level":-21.164972,"freq_skew":4.097063,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZE","mode":"2","label":"_d","blk_id":"9","ack":"C","flight":"LH03EV","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973700,"usec":883957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932361,"noise_level":-21.175125,"freq_skew":5.754066,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973702,"usec":392036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114048,"noise_level":-21.816675,"freq_skew":5.656219,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973703,"usec":912086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019209,"noise_level":-21.770863,"freq_skew":4.253742,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZE","mode":"2","label":"_d","blk_id":"9","ack":"C","flight":"LH03EV","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973705,"usec":473250},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373176,"noise_level":-21.807577,"freq_skew":4.805150,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973705,"usec":473687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-11.990046,"noise_level":-21.807577,"freq_skew":4.194597,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973710,"usec":797654},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923220,"noise_level":-24.305212,"freq_skew":4.081865,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEPA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973713,"usec":880374},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049848,"noise_level":-25.363640,"freq_skew":4.066370,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973714,"usec":651667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717233,"noise_level":-25.514877,"freq_skew":3.939745,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973718,"usec":467413},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648988,"noise_level":-25.211992,"freq_skew":2.940032,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973718,"usec":490756},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028219,"noise_level":-25.001518,"freq_skew":7.384255,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC32PZ","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973718,"usec":492669},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853720,"noise_level":-25.337772,"freq_skew":2.200204,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":452,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973719,"usec":236413},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076971,"noise_level":-26.243954,"freq_skew":4.893176,"avlc":{"src":{"addr":"495213","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973725,"usec":372543},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228514,"noise_level":-24.490030,"freq_skew":7.125950,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"EC32PZ","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973726,"usec":103920},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135143,"noise_level":-24.475477,"freq_skew":5.916822,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973726,"usec":120332},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221452,"noise_level":-24.316980,"freq_skew":2.902879,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973726,"usec":125518},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184273,"noise_level":-24.274252,"freq_skew":6.675221,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBD","mode":"2","label":"_d","blk_id":"4","ack":"B","flight":"PC7205","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973728,"usec":394435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099092,"noise_level":-24.349049,"freq_skew":2.761541,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973728,"usec":403282},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208416,"noise_level":-24.249308,"freq_skew":2.843245,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973729,"usec":151136},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338682,"noise_level":-25.042324,"freq_skew":-0.082217,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPF","mode":"2","label":"_d","blk_id":"3","ack":"L","flight":"XQ07WQ","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973730,"usec":686345},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331805,"noise_level":-24.115694,"freq_skew":6.192052,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBD","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"PC7205","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973732,"usec":177046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916967,"noise_level":-23.535610,"freq_skew":7.381201,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973732,"usec":988186},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599724,"noise_level":-23.316547,"freq_skew":6.472580,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22707005","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,142,5,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973733,"usec":763304},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020473,"noise_level":-24.020643,"freq_skew":6.565119,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973735,"usec":288559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194141,"noise_level":-24.995300,"freq_skew":5.076212,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973736,"usec":802580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005251,"noise_level":-24.883833,"freq_skew":6.486997,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973738,"usec":306163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946510,"noise_level":-24.438231,"freq_skew":2.806416,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973738,"usec":314008},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629995,"noise_level":-25.454483,"freq_skew":6.648540,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":205,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":5,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,80,71,84,0,75,142,5]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,80,71,84,0,75,142,5]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973742,"usec":145540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439866,"noise_level":-23.623547,"freq_skew":2.800958,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973742,"usec":924818},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.846612,"noise_level":-23.553810,"freq_skew":6.417726,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,80,71,84,0,75,142,5,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973743,"usec":667512},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.113566,"noise_level":-23.411140,"freq_skew":8.805745,"avlc":{"src":{"addr":"471F5D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.300000},"alt":39000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973744,"usec":425767},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345748,"noise_level":-23.132645,"freq_skew":6.498617,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973745,"usec":197533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989447,"noise_level":-23.792847,"freq_skew":2.739403,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973745,"usec":203524},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741836,"noise_level":-24.719353,"freq_skew":6.532983,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973746,"usec":765799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773595,"noise_level":-25.180149,"freq_skew":2.765817,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973749,"usec":41207},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.052283,"noise_level":-24.002171,"freq_skew":5.028949,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":46.000000,"flags":192,"pdu_id":33816,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":36173,"dst_ref":0,"disc_reason_code":129,"disc_reason":"Remote transport entity congestion","variable_part_params":[{"name":"checksum","value":[237,101]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973749,"usec":47060},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796186,"noise_level":-23.919943,"freq_skew":4.088181,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":405,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11886,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[46,231,126,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973751,"usec":320840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.703821,"noise_level":-23.949486,"freq_skew":3.421661,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973755,"usec":904603},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177458,"noise_level":-24.064730,"freq_skew":4.324783,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973758,"usec":946993},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652610,"noise_level":-22.934868,"freq_skew":6.728424,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973758,"usec":954877},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.754972,"noise_level":-22.898048,"freq_skew":5.597332,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":70,"dst_ref":11652,"variable_part_params":[{"name":"atn_checksum","value":[194,19,20,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973762,"usec":791800},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993801,"noise_level":-23.371420,"freq_skew":6.659655,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973765,"usec":863772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.930502,"noise_level":-22.403034,"freq_skew":4.388619,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973769,"usec":663619},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695820,"noise_level":-22.689014,"freq_skew":4.510005,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973772,"usec":709597},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.348442,"noise_level":-22.034908,"freq_skew":5.103808,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":5}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973775,"usec":19066},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.846968,"noise_level":-21.298489,"freq_skew":3.955157,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":230,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[138,84,91,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973775,"usec":790072},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.527620,"noise_level":-20.952444,"freq_skew":4.129453,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973780,"usec":379235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704777,"noise_level":-20.756445,"freq_skew":3.563903,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973784,"usec":182171},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304390,"noise_level":-21.959213,"freq_skew":3.719023,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[201,128,211,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973784,"usec":190118},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135012,"noise_level":-21.883358,"freq_skew":7.283745,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"EC32PZ","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973788,"usec":795795},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.212213,"noise_level":-20.308826,"freq_skew":7.390176,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"5U","blk_id":"0","ack":"!","flight":"EC32PZ","msg_num":"M64","msg_num_seq":"A","msg_text":"EKCH-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973791,"usec":67680},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.943550,"noise_level":-19.693022,"freq_skew":4.049174,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973791,"usec":817960},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578833,"noise_level":-19.526932,"freq_skew":4.230289,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDP","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"PC56HD","msg_num":"M69","msg_num_seq":"A","msg_text":"PC56HD/09SEP26 17:09:48,23460,1934, 178,N 49.609 E 9.610"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973793,"usec":372851},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404327,"noise_level":-21.237314,"freq_skew":7.345015,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVX","mode":"2","label":"_d","blk_id":"1","ack":"C","flight":"EC32PZ","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973794,"usec":132241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815852,"noise_level":-21.029488,"freq_skew":2.906884,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973794,"usec":139694},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597344,"noise_level":-20.951605,"freq_skew":4.163000,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973794,"usec":142380},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480269,"noise_level":-21.216328,"freq_skew":5.045681,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20765140","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,67,234,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973795,"usec":647037},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755247,"noise_level":-21.414211,"freq_skew":4.142387,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973796,"usec":425060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983340,"noise_level":-21.207500,"freq_skew":4.891678,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973796,"usec":429050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717106,"noise_level":-22.313885,"freq_skew":3.025561,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973797,"usec":178501},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.427994,"noise_level":-22.145466,"freq_skew":7.384036,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B0A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":63,"dst_ref":11737,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[1,0,239,231]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973797,"usec":184331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133448,"noise_level":-22.090044,"freq_skew":6.100195,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973798,"usec":692311},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888654,"noise_level":-22.040356,"freq_skew":2.875175,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCDDD","mode":"2","label":"83","blk_id":"7","ack":"!","flight":"XA0001","msg_num":"M10","msg_num_seq":"A","msg_text":"001PR09170956N5141.5E00949.0410454 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973800,"usec":248648},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.903709,"noise_level":-21.860165,"freq_skew":2.790586,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973801,"usec":8208},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466268,"noise_level":-21.679136,"freq_skew":4.824512,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":21,"diag_code_descr":"Packet type invalid for state p2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973802,"usec":544783},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.708857,"noise_level":-21.118040,"freq_skew":3.936600,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973802,"usec":546295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710560,"noise_level":-21.108166,"freq_skew":5.359411,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973805,"usec":576514},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031756,"noise_level":-20.471315,"freq_skew":0.533676,"avlc":{"src":{"addr":"4D00C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":755,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7740,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[163,155,249,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973808,"usec":647233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.211920,"noise_level":-20.027309,"freq_skew":4.008084,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973809,"usec":416169},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.518883,"noise_level":-19.854765,"freq_skew":4.106896,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":215,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55211,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[103,23,63,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973812,"usec":468254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.184609,"noise_level":-21.625586,"freq_skew":3.482738,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973820,"usec":877555},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.539526,"noise_level":-21.248096,"freq_skew":4.089142,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973821,"usec":653096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001526,"noise_level":-20.904011,"freq_skew":4.168981,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973823,"usec":930714},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526286,"noise_level":-20.284870,"freq_skew":2.824164,"avlc":{"src":{"addr":"AE0136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..70105","mode":"2","label":"20","blk_id":"4","ack":"!","flight":"XA0000","msg_num":"M06","msg_num_seq":"A","msg_text":"POSN50074E009252,,171022,070,MEFTO ,000619,,P1 ,31524,17,229"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973824,"usec":676927},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765481,"noise_level":-20.889542,"freq_skew":6.769188,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":201,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973824,"usec":680891},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391747,"noise_level":-21.452791,"freq_skew":6.669754,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973824,"usec":682864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897833,"noise_level":-21.442530,"freq_skew":4.155394,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973825,"usec":424933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918668,"noise_level":-22.394209,"freq_skew":4.554628,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973825,"usec":428198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929941,"noise_level":-22.978441,"freq_skew":2.596324,"avlc":{"src":{"addr":"AE0136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973825,"usec":429031},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051266,"noise_level":-23.992882,"freq_skew":6.686036,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973827,"usec":3217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570794,"noise_level":-23.433567,"freq_skew":6.553549,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973828,"usec":534907},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.213097,"noise_level":-22.692278,"freq_skew":5.198099,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":161,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,88,65,65,0,67,234,96],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973828,"usec":537515},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567439,"noise_level":-22.656822,"freq_skew":4.445794,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973830,"usec":21949},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475263,"noise_level":-23.361158,"freq_skew":5.656731,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCH","mode":"2","label":"16","blk_id":"5","ack":"!","flight":"FR95HJ","msg_num":"M06","msg_num_seq":"A","msg_text":"171027,31244,1718, 76,N 50.559 E 7.025"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973830,"usec":788636},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.531842,"noise_level":-23.328161,"freq_skew":5.081786,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,88,65,65,0,67,234,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973833,"usec":68497},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371355,"noise_level":-23.248917,"freq_skew":3.816432,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":700,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973833,"usec":73953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496201,"noise_level":-23.980572,"freq_skew":4.025445,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973834,"usec":624498},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.695127,"noise_level":-23.771181,"freq_skew":3.737453,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973834,"usec":626108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.442171,"noise_level":-23.757784,"freq_skew":2.440526,"avlc":{"src":{"addr":"3CC006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973835,"usec":398402},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.212876,"noise_level":-23.339603,"freq_skew":3.446502,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973836,"usec":921293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.177625,"noise_level":-22.570858,"freq_skew":3.660365,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973837,"usec":666414},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.988145,"noise_level":-22.466389,"freq_skew":5.004126,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":162,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973839,"usec":179995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537407,"noise_level":-21.747026,"freq_skew":4.446308,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973840,"usec":741778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186858,"noise_level":-21.393213,"freq_skew":5.006114,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973844,"usec":540960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867123,"noise_level":-20.132990,"freq_skew":5.051396,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973846,"usec":54678},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480037,"noise_level":-19.770229,"freq_skew":6.273413,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973849,"usec":897814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.760839,"noise_level":-21.085529,"freq_skew":3.976771,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973852,"usec":929654},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215345,"noise_level":-20.153175,"freq_skew":4.502697,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1500,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973852,"usec":943541},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748074,"noise_level":-20.030279,"freq_skew":4.120454,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11886,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[216,129,226,75]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11886,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[99,37,175,141]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":10,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973853,"usec":722555},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.573848,"noise_level":-21.059542,"freq_skew":4.606827,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1501,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973854,"usec":485145},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957953,"noise_level":-20.779530,"freq_skew":4.071506,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973855,"usec":242136},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.876002,"noise_level":-21.133301,"freq_skew":3.970657,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973855,"usec":254721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.570295,"noise_level":-22.053614,"freq_skew":4.036392,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973856,"usec":7004},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218273,"noise_level":-22.043701,"freq_skew":4.311350,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-KEC","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"KC0922","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973856,"usec":19063},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057733,"noise_level":-22.865610,"freq_skew":4.641554,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR06LY","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973856,"usec":774351},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354547,"noise_level":-22.627293,"freq_skew":4.339945,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973856,"usec":781128},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.840439,"noise_level":-22.487377,"freq_skew":3.791787,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973857,"usec":526949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099538,"noise_level":-22.383900,"freq_skew":4.546794,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973858,"usec":279938},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.639603,"noise_level":-22.147142,"freq_skew":4.570720,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1501,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973858,"usec":289113},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504291,"noise_level":-22.638363,"freq_skew":4.190326,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11886,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[113,122,177,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":10,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973858,"usec":292525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909825,"noise_level":-22.603128,"freq_skew":4.518934,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973859,"usec":793208},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.145091,"noise_level":-22.191090,"freq_skew":3.657348,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11683,"credit":5,"rseq":19,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":18,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[19,215,109,83]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973859,"usec":814741},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011125,"noise_level":-22.327503,"freq_skew":5.106350,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973860,"usec":605649},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345369,"noise_level":-22.181128,"freq_skew":5.029345,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":36173,"variable_part_params":[{"name":"checksum","value":[170,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973862,"usec":131306},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396152,"noise_level":-22.712128,"freq_skew":2.111299,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973864,"usec":394266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103461,"noise_level":-23.044209,"freq_skew":4.055053,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973864,"usec":407803},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.103912,"noise_level":-22.885353,"freq_skew":6.773690,"avlc":{"src":{"addr":"4BCE0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPM","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"XQ048T","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973865,"usec":166301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704151,"noise_level":-22.541122,"freq_skew":4.595936,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973865,"usec":916292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.164385,"noise_level":-22.391130,"freq_skew":0.341578,"avlc":{"src":{"addr":"4D00C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973870,"usec":524610},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609327,"noise_level":-21.395826,"freq_skew":2.064527,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LJT","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"TK6406","msg_num":"S17","msg_num_seq":"A","msg_text":"0LS1711082","media-adv":{"err":false,"version":0,"current_link":{"code":"S","descr":"Default SATCOM","established":false,"time":{"hour":17,"min":11,"sec":8}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973872,"usec":35017},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545512,"noise_level":-24.197275,"freq_skew":2.082411,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973875,"usec":866409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940265,"noise_level":-24.443729,"freq_skew":0.538659,"avlc":{"src":{"addr":"4D00C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973875,"usec":882636},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608728,"noise_level":-24.229084,"freq_skew":6.402330,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":211,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24965,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,220,30,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973878,"usec":915422},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486038,"noise_level":-24.263737,"freq_skew":3.882576,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFJ"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.800000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973880,"usec":479808},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916616,"noise_level":-24.651014,"freq_skew":4.379441,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973881,"usec":222218},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.805630,"noise_level":-24.659622,"freq_skew":1.980325,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":294,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973881,"usec":231684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.870438,"noise_level":-24.526966,"freq_skew":2.798238,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973881,"usec":976170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578610,"noise_level":-24.210979,"freq_skew":1.962189,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973884,"usec":250899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220767,"noise_level":-24.049683,"freq_skew":2.899703,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973885,"usec":25153},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651329,"noise_level":-24.095100,"freq_skew":4.790977,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"PC591E","msg_num":"C14","msg_num_seq":"A","sublabel":"CF","msg_text":"WRN/WN26090917110022000006AUTO FLT AP OFF\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973885,"usec":785093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011024,"noise_level":-24.261421,"freq_skew":2.911330,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973885,"usec":787712},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.166115,"noise_level":-24.233093,"freq_skew":3.725034,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973885,"usec":788620},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317736,"noise_level":-24.218964,"freq_skew":6.999645,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973887,"usec":293067},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.302286,"noise_level":-24.356577,"freq_skew":4.014720,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFJ"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.800000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973887,"usec":305471},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597460,"noise_level":-25.249622,"freq_skew":3.901305,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDP","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"PC56HD","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973887,"usec":305471},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.597460,"noise_level":-25.249622,"freq_skew":3.901305,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22744220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,200,144,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973888,"usec":838986},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713346,"noise_level":-24.996166,"freq_skew":5.160119,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1848,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973888,"usec":843498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635881,"noise_level":-24.827446,"freq_skew":3.871232,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973889,"usec":617182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898471,"noise_level":-25.286818,"freq_skew":8.312617,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973890,"usec":371294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646857,"noise_level":-25.678772,"freq_skew":3.872165,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973891,"usec":881428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714489,"noise_level":-25.081804,"freq_skew":5.554363,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973892,"usec":652420},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899005,"noise_level":-24.494041,"freq_skew":5.663408,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-LFC","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"CB0863","msg_num":"M11","msg_num_seq":"A","msg_text":"0LH1711282S","media-adv":{"err":false,"version":0,"current_link":{"code":"H","descr":"HF","established":false,"time":{"hour":17,"min":11,"sec":28}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973893,"usec":393725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976044,"noise_level":-24.179230,"freq_skew":5.056791,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973893,"usec":396962},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952474,"noise_level":-24.262695,"freq_skew":1.878424,"avlc":{"src":{"addr":"4D00C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":756,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":11,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973896,"usec":481796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.905424,"noise_level":-23.692148,"freq_skew":4.040117,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973897,"usec":247359},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726897,"noise_level":-23.239120,"freq_skew":0.468406,"avlc":{"src":{"addr":"4D00C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7740,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[163,155,249,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973897,"usec":982177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397726,"noise_level":-23.120749,"freq_skew":6.583510,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973899,"usec":527791},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.202474,"noise_level":-22.290817,"freq_skew":3.948576,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973899,"usec":527791},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.202474,"noise_level":-22.290817,"freq_skew":3.948576,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":82,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36090,"credit":5,"rseq":20,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":19,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[138,93,168,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973901,"usec":69797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.722542,"noise_level":-22.453911,"freq_skew":4.187659,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973905,"usec":641690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965673,"noise_level":-20.916248,"freq_skew":6.652411,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973906,"usec":376382},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.625703,"noise_level":-20.848942,"freq_skew":3.365682,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":47.200001,"lon":10.900001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973907,"usec":951727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704631,"noise_level":-21.027412,"freq_skew":5.103557,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973909,"usec":452027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.652657,"noise_level":-20.751778,"freq_skew":3.352593,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[201,128,211,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973909,"usec":457098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065248,"noise_level":-20.648212,"freq_skew":6.464406,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973910,"usec":980924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.709632,"noise_level":-21.177483,"freq_skew":4.258452,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973910,"usec":993672},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.469366,"noise_level":-21.078577,"freq_skew":3.670046,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973911,"usec":739298},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.797688,"noise_level":-20.750481,"freq_skew":3.478157,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973913,"usec":262770},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.708899,"noise_level":-20.352531,"freq_skew":4.341680,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1504,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973916,"usec":332959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690309,"noise_level":-20.388296,"freq_skew":4.413423,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIOB","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH035U","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973916,"usec":334129},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802198,"noise_level":-20.388296,"freq_skew":4.455811,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062742","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,226,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973917,"usec":95357},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802241,"noise_level":-21.383583,"freq_skew":5.886356,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973917,"usec":847507},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453343,"noise_level":-21.302475,"freq_skew":2.583326,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973919,"usec":362365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884814,"noise_level":-21.878672,"freq_skew":2.752264,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973919,"usec":378582},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.441449,"noise_level":-21.707829,"freq_skew":5.069109,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..MAERO","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XA0000","msg_num":"M89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973919,"usec":382900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014310,"noise_level":-21.665638,"freq_skew":5.622683,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973922,"usec":450246},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.504307,"noise_level":-22.283018,"freq_skew":3.658182,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[116,122,81,109]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":222,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[177,185,237,79]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":12,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973922,"usec":457877},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564622,"noise_level":-22.204294,"freq_skew":5.247818,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XQ04DQ","msg_num":"132","msg_num_seq":"C","sublabel":"T1","msg_text":"26\n\rOC 1549 09SEP26 : 1549 09SEP26\n\rOC 1540 09SEP26 : 1541 09SEP26\n\rOC 1536 09SEP26 : 1536 09SEP26\n\rOC 1532 09SEP26 : 1532 09SEP26\n\rOC 1520 09SEP26 : 1520 09SEP26\n\rOC 1512 09SEP26 : 1512 09SEP26\n\rOC 1508 09"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973923,"usec":963263},"freq":136975000,"burst_len_octets":112,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.713157,"noise_level":-22.430191,"freq_skew":1.623260,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":2,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11904,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[26,43,95,76]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4800788,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"NJE373K","long_tsap":{"rdp":[193,131,80,84,0],"short_tsap":{"ars":[73,65,20],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,4,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[193,131,80,84,0],"short_tsap":{"ars":[73,65,20],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,4,2,2]}}}}}}],"departure_airport":"EDSB","destination_airport":"LEMD"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973923,"usec":966752},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.271582,"noise_level":-22.407242,"freq_skew":3.657367,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973924,"usec":718380},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.306148,"noise_level":-22.237019,"freq_skew":4.273686,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":85,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973924,"usec":737829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.980076,"noise_level":-23.046797,"freq_skew":1.609387,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973926,"usec":232278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.321270,"noise_level":-22.743755,"freq_skew":2.813052,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973926,"usec":238047},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768650,"noise_level":-22.672569,"freq_skew":3.063136,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"LH04UP","msg_num":"S85","msg_num_seq":"A","msg_text":"0EV171204V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":12,"sec":4}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973926,"usec":251593},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604098,"noise_level":-22.616753,"freq_skew":1.617453,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11862,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,208,124,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":12,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973927,"usec":11345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.218398,"noise_level":-23.189159,"freq_skew":1.781449,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973927,"usec":757397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862648,"noise_level":-25.168400,"freq_skew":2.780936,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973927,"usec":765458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.362241,"noise_level":-25.043318,"freq_skew":4.056116,"avlc":{"src":{"addr":"4B18E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973928,"usec":569613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.975373,"noise_level":-24.604416,"freq_skew":1.589700,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973930,"usec":67910},"freq":136975000,"burst_len_octets":91,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.684239,"noise_level":-24.354532,"freq_skew":7.007197,"avlc":{"src":{"addr":"4BCE0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPM","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"XQ048T","msg_num":"M30","msg_num_seq":"A","msg_text":"171207,20000,1735, 41,N 47.696 E 10.319/SXS48T"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973930,"usec":79801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481443,"noise_level":-24.198208,"freq_skew":1.850365,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973930,"usec":833299},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624567,"noise_level":-24.585989,"freq_skew":7.949051,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":694,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":49241,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[131,144]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973931,"usec":591701},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469800,"noise_level":-24.817497,"freq_skew":3.811078,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":411,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973931,"usec":597787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236642,"noise_level":-24.987926,"freq_skew":8.119405,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973934,"usec":622930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687493,"noise_level":-25.287804,"freq_skew":4.314698,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973934,"usec":628365},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638991,"noise_level":-25.224173,"freq_skew":1.661467,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11862,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[180,123,232,145]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":12,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973934,"usec":635876},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352380,"noise_level":-26.186985,"freq_skew":4.026752,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":807,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973934,"usec":641178},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350444,"noise_level":-26.081383,"freq_skew":5.551772,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11779,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[211,172,122,171]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973936,"usec":182768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.163144,"noise_level":-26.349470,"freq_skew":1.793546,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973936,"usec":192728},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641470,"noise_level":-26.619919,"freq_skew":3.733308,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973936,"usec":941581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405522,"noise_level":-26.567163,"freq_skew":4.319921,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973938,"usec":468304},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324915,"noise_level":-25.849295,"freq_skew":1.554395,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973939,"usec":981114},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627406,"noise_level":-26.685719,"freq_skew":1.518317,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11862,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[223,49,156,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973943,"usec":56641},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122378,"noise_level":-25.269787,"freq_skew":5.046146,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5110,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973943,"usec":65000},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886050,"noise_level":-25.143246,"freq_skew":1.980113,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LJT","mode":"2","label":"_d","blk_id":"5","ack":"N","flight":"TK6406","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973946,"usec":108457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035438,"noise_level":-25.238533,"freq_skew":5.071735,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973949,"usec":930996},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582583,"noise_level":-25.035984,"freq_skew":4.055253,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JJN","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"WK315D","msg_num":"S15","msg_num_seq":"A","msg_text":"0EV171228V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":12,"sec":28}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973951,"usec":464312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749399,"noise_level":-24.864990,"freq_skew":2.923586,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973951,"usec":464717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817386,"noise_level":-24.864990,"freq_skew":1.992570,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LJT","mode":"2","label":"_d","blk_id":"6","ack":"O","flight":"TK6406","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973952,"usec":201390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237811,"noise_level":-26.721928,"freq_skew":3.221271,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973952,"usec":222701},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836572,"noise_level":-26.546953,"freq_skew":5.571629,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973952,"usec":977744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.909752,"noise_level":-27.536457,"freq_skew":2.141777,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973953,"usec":737554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518909,"noise_level":-27.308212,"freq_skew":2.107316,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973954,"usec":520691},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798601,"noise_level":-27.168310,"freq_skew":3.197343,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973955,"usec":287251},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988551,"noise_level":-26.555975,"freq_skew":2.771750,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973955,"usec":288383},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946196,"noise_level":-26.537518,"freq_skew":5.747485,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973958,"usec":322006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330717,"noise_level":-25.050001,"freq_skew":7.325275,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973958,"usec":343071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772105,"noise_level":-24.729736,"freq_skew":2.202172,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973959,"usec":834038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.406094,"noise_level":-25.240479,"freq_skew":2.877984,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32153,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[136,166,67,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973960,"usec":601091},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027628,"noise_level":-25.719805,"freq_skew":3.578094,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11886,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[161,237,16,229]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11886,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[23,24,158,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":12,"sec":38}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973960,"usec":602519},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810758,"noise_level":-26.266897,"freq_skew":5.377217,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBU","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"PC380U","msg_num":"M48","msg_num_seq":"A","msg_text":"PC380U/09SEP26 17:12:36,21507,1948, 198,N 50.924 E 7.707"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973961,"usec":396896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811313,"noise_level":-25.814232,"freq_skew":3.371798,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11791,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[223,214,56,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973961,"usec":398721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927654,"noise_level":-25.729824,"freq_skew":3.704432,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973962,"usec":914142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928357,"noise_level":-25.303648,"freq_skew":5.385789,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973963,"usec":679220},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672960,"noise_level":-24.776142,"freq_skew":2.142162,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973965,"usec":200382},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626961,"noise_level":-25.064907,"freq_skew":3.773677,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11886,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[56,32,7,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":12,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973965,"usec":946775},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669755,"noise_level":-24.834558,"freq_skew":2.184966,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973965,"usec":949554},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.758019,"noise_level":-24.804302,"freq_skew":2.361307,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":173,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":7,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,65,73,67,0,128,19,195],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973965,"usec":957024},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.369952,"noise_level":-25.648201,"freq_skew":4.097651,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973966,"usec":704407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573675,"noise_level":-25.369780,"freq_skew":2.712989,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973967,"usec":465731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109506,"noise_level":-25.370695,"freq_skew":3.773520,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973967,"usec":481194},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739599,"noise_level":-25.132206,"freq_skew":3.724422,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11886,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[246,186,66,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973968,"usec":242499},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773296,"noise_level":-26.284328,"freq_skew":2.200997,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":175,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":8,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,65,73,67,0,128,19,195]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,65,73,67,0,128,19,195]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973970,"usec":551986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432646,"noise_level":-25.878260,"freq_skew":2.288645,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973973,"usec":587325},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537557,"noise_level":-25.546673,"freq_skew":4.516961,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1506,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973973,"usec":589547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842929,"noise_level":-25.497463,"freq_skew":2.164019,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973979,"usec":696039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550464,"noise_level":-22.768799,"freq_skew":3.090169,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973980,"usec":457202},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255073,"noise_level":-22.614861,"freq_skew":3.805989,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":8.100000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973980,"usec":465338},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809757,"noise_level":-22.533085,"freq_skew":3.173381,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11791,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[118,70,183,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973980,"usec":473061},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.431968,"noise_level":-22.857416,"freq_skew":2.423099,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":28,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973980,"usec":477443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.378683,"noise_level":-22.785299,"freq_skew":7.138673,"avlc":{"src":{"addr":"4404E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973982,"usec":19524},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523586,"noise_level":-22.716774,"freq_skew":5.812883,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7783,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973982,"usec":774989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967018,"noise_level":-22.669401,"freq_skew":3.165170,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973982,"usec":780514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430432,"noise_level":-22.634039,"freq_skew":3.882682,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973983,"usec":557095},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.475841,"noise_level":-22.822573,"freq_skew":3.917345,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973984,"usec":291161},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684552,"noise_level":-22.679502,"freq_skew":3.805566,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973984,"usec":294926},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.197165,"noise_level":-23.542021,"freq_skew":3.863736,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":221,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55211,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,76,6,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973985,"usec":819318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-17.647507,"noise_level":-23.071785,"freq_skew":2.372204,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973985,"usec":834564},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884922,"noise_level":-23.234081,"freq_skew":4.961576,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5111,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,68]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973989,"usec":658622},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968386,"noise_level":-24.976429,"freq_skew":3.033752,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11791,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[114,16,175,186]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":13,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973989,"usec":660970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575449,"noise_level":-24.945677,"freq_skew":2.250417,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973990,"usec":409776},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874034,"noise_level":-24.974497,"freq_skew":3.025621,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973990,"usec":415089},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982190,"noise_level":-24.897831,"freq_skew":4.183499,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"119F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973991,"usec":929014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978074,"noise_level":-26.214039,"freq_skew":6.124228,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973991,"usec":934777},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737653,"noise_level":-26.243996,"freq_skew":2.790501,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32101,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[102,43,142,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973992,"usec":682582},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811666,"noise_level":-27.542812,"freq_skew":7.893263,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973992,"usec":691554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977335,"noise_level":-27.378773,"freq_skew":2.282396,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973993,"usec":435639},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778090,"noise_level":-28.070925,"freq_skew":5.360667,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11916,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[82,0,242,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973994,"usec":205942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353120,"noise_level":-27.641758,"freq_skew":3.119164,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973994,"usec":958278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.270926,"noise_level":-27.232803,"freq_skew":1.449185,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973994,"usec":969032},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844256,"noise_level":-28.537634,"freq_skew":7.760183,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973995,"usec":758257},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608354,"noise_level":-28.107449,"freq_skew":6.381734,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":212,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24965,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[228,110,25,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":515189},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200645,"noise_level":-28.772507,"freq_skew":6.667901,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":213,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":24965,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[73,220,30,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":517690},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-10.006252,"noise_level":-28.935177,"freq_skew":3.142028,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":529835},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.819504,"noise_level":-28.936186,"freq_skew":3.440168,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":529835},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.819504,"noise_level":-28.936186,"freq_skew":3.440168,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36184,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[186,33,108,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":531328},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224089,"noise_level":-28.911919,"freq_skew":4.419837,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973996,"usec":531328},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.224089,"noise_level":-28.911919,"freq_skew":4.419837,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973997,"usec":283628},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181781,"noise_level":-28.579117,"freq_skew":4.213966,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":204,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":57,"dst_ref":11918,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[144,169,22,26]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973997,"usec":293571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102608,"noise_level":-28.348970,"freq_skew":4.049058,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973998,"usec":27373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186656,"noise_level":-28.191418,"freq_skew":4.262931,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973998,"usec":35655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581986,"noise_level":-27.692993,"freq_skew":3.043348,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973998,"usec":796875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550075,"noise_level":-27.588322,"freq_skew":4.375618,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973998,"usec":806631},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.566398,"noise_level":-27.382694,"freq_skew":5.207034,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":59,"dst_ref":11917,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[84,40,76,209]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788973998,"usec":810358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790629,"noise_level":-27.321939,"freq_skew":5.607370,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974001,"usec":79903},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355260,"noise_level":-25.943951,"freq_skew":5.281195,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974001,"usec":868351},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755462,"noise_level":-25.788734,"freq_skew":5.291912,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11917,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[61,158,32,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974004,"usec":900068},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876746,"noise_level":-24.807449,"freq_skew":4.192051,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974004,"usec":901671},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603166,"noise_level":-24.732237,"freq_skew":5.654385,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11779,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[16,198,1,114]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11779,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[220,243,16,66]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":13,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974005,"usec":677510},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.741555,"noise_level":-25.390284,"freq_skew":3.899313,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11921,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,169,237,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":13,"sec":23}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974005,"usec":684543},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115432,"noise_level":-25.554478,"freq_skew":2.159755,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974006,"usec":424138},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.159975,"noise_level":-25.847500,"freq_skew":2.119647,"avlc":{"src":{"addr":"3C56F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974011,"usec":35262},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915761,"noise_level":-25.894032,"freq_skew":3.249771,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36184,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[229,177,148,154]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":13,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974011,"usec":777566},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666776,"noise_level":-25.977442,"freq_skew":3.716166,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11921,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[153,223,177,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974013,"usec":299485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480435,"noise_level":-26.383917,"freq_skew":5.497317,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974014,"usec":854925},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729636,"noise_level":-26.296967,"freq_skew":3.676185,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXQ","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"LH07HR","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974014,"usec":858433},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601009,"noise_level":-26.638708,"freq_skew":5.113451,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-SMK","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"XQ04DQ","msg_num":"D73","msg_num_seq":"F","sublabel":"DF","msg_text":"04005 020 69 865 81176 0\r\n018CE0000000000349C500000200007F0010000000804000000678070000000100000000000000000000000000\r\n00000000000000000000000000000000000000000000000000000000000000000000000000000000000000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974016,"usec":365974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944921,"noise_level":-26.022972,"freq_skew":3.029292,"avlc":{"src":{"addr":"407631","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974017,"usec":128027},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791716,"noise_level":-26.869045,"freq_skew":2.924014,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32153,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[221,115,117,107]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32153,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[106,91,69,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":13,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974017,"usec":149078},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818761,"noise_level":-26.587814,"freq_skew":3.895584,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFM"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":5.300000},"alt":17000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974017,"usec":885951},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703409,"noise_level":-26.458965,"freq_skew":4.022125,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LPO","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TK06LS","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974017,"usec":898856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800714,"noise_level":-26.278149,"freq_skew":2.633052,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974020,"usec":163267},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570448,"noise_level":-25.792538,"freq_skew":3.711802,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXQ","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH07HR","msg_num":"M68","msg_num_seq":"A","msg_text":"001471AD846,?"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974020,"usec":938355},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.943685,"noise_level":-25.109402,"freq_skew":7.941099,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":49241,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[131,144]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974022,"usec":452943},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.171474,"noise_level":-24.695274,"freq_skew":2.443727,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".VT-TSP","mode":"2","label":"_d","blk_id":"7","ack":"L","flight":"AI2017","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974022,"usec":459156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881652,"noise_level":-24.606251,"freq_skew":2.678596,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974023,"usec":238982},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719049,"noise_level":-24.812099,"freq_skew":2.781941,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32153,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[51,64,167,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974025,"usec":518930},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713202,"noise_level":-24.448273,"freq_skew":2.833261,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":32153,"variable_part_params":[{"name":"atn_checksum","value":[72,122,193,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974025,"usec":523405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841791,"noise_level":-24.318783,"freq_skew":3.846271,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974027,"usec":33143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556382,"noise_level":-23.989964,"freq_skew":4.318996,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXW","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"KL096U","msg_num":"M98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974027,"usec":806246},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427686,"noise_level":-23.508537,"freq_skew":2.761992,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":8.800000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974027,"usec":809156},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707285,"noise_level":-23.968451,"freq_skew":2.177763,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".VT-TSE","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"AI2029","msg_num":"D62","msg_num_seq":"B","sublabel":"DF","msg_text":"53.4224,,, -75.7,,, 0.6,,, -75.3,,, -0.011, 0.007, 0,,,\r\n 6.576, 31, 15803,35274,35715,,,,,,23293,23321,,, 2.7,\r\n 43, 41, 36, 42,503315,,,29.00,,,370597,,, 61288,35494,35935,\r\n,,,,,958539,958744,,,,2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974028,"usec":566518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986180,"noise_level":-24.752182,"freq_skew":2.558042,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974029,"usec":360826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971340,"noise_level":-25.327736,"freq_skew":4.295696,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974030,"usec":882377},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066832,"noise_level":-26.315243,"freq_skew":6.106383,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBD","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"PC7205","msg_num":"C23","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/FR26090917120030715106DRAINMAST HEATER AFT/DEU-B(300RH7)\r/IDCIDS 1\r "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974031,"usec":626250},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870377,"noise_level":-26.297291,"freq_skew":4.121975,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974032,"usec":394042},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.832133,"noise_level":-26.028828,"freq_skew":3.763550,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974032,"usec":403081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775607,"noise_level":-25.873722,"freq_skew":4.074052,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974033,"usec":162246},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.755827,"noise_level":-25.375845,"freq_skew":4.524200,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1508,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974035,"usec":431914},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248748,"noise_level":-24.841993,"freq_skew":5.322368,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974035,"usec":432172},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663007,"noise_level":-24.841993,"freq_skew":1.691183,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":287,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":19,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974036,"usec":997958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537833,"noise_level":-25.078403,"freq_skew":4.735882,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974037,"usec":358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.631057,"noise_level":-25.031773,"freq_skew":6.063282,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974037,"usec":752743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189641,"noise_level":-25.072147,"freq_skew":3.080312,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974040,"usec":783059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606816,"noise_level":-24.769978,"freq_skew":1.775114,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974040,"usec":790375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187912,"noise_level":-24.665314,"freq_skew":6.128317,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974040,"usec":791446},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113720,"noise_level":-24.650463,"freq_skew":4.264086,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974042,"usec":356099},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.159617,"noise_level":-23.924942,"freq_skew":3.544572,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[116,122,81,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974043,"usec":111305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839077,"noise_level":-23.669424,"freq_skew":5.450107,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974045,"usec":393712},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101549,"noise_level":-22.740269,"freq_skew":3.786428,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXQ","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"LH07HR","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974046,"usec":133272},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.027826,"noise_level":-23.782154,"freq_skew":3.520787,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[116,122,81,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974046,"usec":898244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.273633,"noise_level":-23.427027,"freq_skew":3.566746,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974047,"usec":646443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.910304,"noise_level":-23.210655,"freq_skew":2.446492,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974047,"usec":662172},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563486,"noise_level":-23.448906,"freq_skew":5.354676,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,68]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974048,"usec":407940},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.219384,"noise_level":-23.410234,"freq_skew":5.558096,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974048,"usec":422231},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620906,"noise_level":-24.409409,"freq_skew":5.422699,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11917,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[6,11,77,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974049,"usec":967919},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.591949,"noise_level":-25.179262,"freq_skew":3.713699,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAK","mode":"2","label":"8A","blk_id":"2","ack":"!","flight":"FR27HU","msg_num":"M76","msg_num_seq":"A","msg_text":"163001,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974049,"usec":983162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979760,"noise_level":-25.038492,"freq_skew":4.027821,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":222,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55211,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,76,6,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974050,"usec":726986},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460774,"noise_level":-24.659035,"freq_skew":4.699092,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974050,"usec":727307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102875,"noise_level":-24.659035,"freq_skew":2.602507,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974051,"usec":501486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.913738,"noise_level":-25.397312,"freq_skew":3.724191,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974053,"usec":7452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526407,"noise_level":-24.594763,"freq_skew":2.158578,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974053,"usec":761890},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272151,"noise_level":-26.471712,"freq_skew":3.512383,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974054,"usec":525096},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.545864,"noise_level":-25.922222,"freq_skew":3.392994,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAK","mode":"2","label":"8S","blk_id":"3","ack":"!","flight":"FR96SX","msg_num":"M77","msg_num_seq":"A","msg_text":"163443,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974054,"usec":533451},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953018,"noise_level":-25.785887,"freq_skew":4.385713,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":205,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974056,"usec":90873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092617,"noise_level":-25.884041,"freq_skew":1.935730,"avlc":{"src":{"addr":"4BB154","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974056,"usec":93872},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738904,"noise_level":-26.249685,"freq_skew":2.990247,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AENA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH06PL","msg_num":"D51","msg_num_seq":"F","sublabel":"DF","msg_text":"0,N001,N001,N000/I60097,N000,0014,0000,N001,N000,N000/I70097,N000,0014,N000,N001,N000,N000/I80097,N000,0014,0000,N001,N000,N000/J00097,N000,0014,0000,N002,N000,N000/J10097,N001,0014,N000,N002,N000,N000/J200"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974056,"usec":846974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.194582,"noise_level":-26.606544,"freq_skew":3.329890,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974058,"usec":372429},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104780,"noise_level":-27.117729,"freq_skew":3.578264,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974059,"usec":120719},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127954,"noise_level":-26.922821,"freq_skew":3.467145,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974062,"usec":146734},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.158310,"noise_level":-25.438259,"freq_skew":3.679132,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":609,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":2,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,77,33,247]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,77,33,247]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974063,"usec":713539},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.179274,"noise_level":-24.964073,"freq_skew":2.189262,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":6.800000},"alt":37000}},{"name":"alternate_ground_stations","value":["29D257","234837","29E057","298DD7","2D4917","234838","2D4918","26E217"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974064,"usec":467086},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.021795,"noise_level":-25.040453,"freq_skew":2.243084,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"40012614","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,65,73,67,0,128,21,140,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974064,"usec":473119},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.319900,"noise_level":-24.810741,"freq_skew":3.652925,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAK","mode":"2","label":"8F","blk_id":"7","ack":"!","flight":"FR96SX","msg_num":"M81","msg_num_seq":"A","msg_text":"165525,C,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974065,"usec":990535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375971,"noise_level":-24.383156,"freq_skew":5.832824,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974065,"usec":993962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132494,"noise_level":-24.340099,"freq_skew":2.245039,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974066,"usec":739985},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674933,"noise_level":-25.277937,"freq_skew":2.985011,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":8.700000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974067,"usec":520925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011248,"noise_level":-24.872871,"freq_skew":2.197051,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974069,"usec":845908},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.168974,"noise_level":-24.646318,"freq_skew":3.969182,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974070,"usec":581034},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214046,"noise_level":-24.587200,"freq_skew":4.094673,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":278,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32239,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[230,198,9,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974070,"usec":591514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.228056,"noise_level":-24.455639,"freq_skew":5.466276,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974071,"usec":338533},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827085,"noise_level":-24.156193,"freq_skew":3.868605,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974072,"usec":860811},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814014,"noise_level":-24.690792,"freq_skew":4.251933,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974075,"usec":146914},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748211,"noise_level":-24.937435,"freq_skew":4.497587,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":297,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11921,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[238,172,227,6]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11921,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[43,18,197,174]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":14,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974075,"usec":158841},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527139,"noise_level":-24.770365,"freq_skew":3.380525,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974076,"usec":720124},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023940,"noise_level":-25.672157,"freq_skew":6.835187,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUZ","mode":"2","label":"_d","blk_id":"6","ack":"A","flight":"X309WA","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974078,"usec":221973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.635376,"noise_level":-25.666111,"freq_skew":4.016411,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974078,"usec":229058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205948,"noise_level":-26.357889,"freq_skew":2.693472,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974079,"usec":745407},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756369,"noise_level":-27.039009,"freq_skew":3.986001,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974080,"usec":512454},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691002,"noise_level":-26.757729,"freq_skew":3.976243,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":8.300000},"alt":20000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974082,"usec":29185},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544893,"noise_level":-27.048740,"freq_skew":6.953800,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974082,"usec":771990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672719,"noise_level":-26.893692,"freq_skew":3.845729,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974082,"usec":784372},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852045,"noise_level":-26.666191,"freq_skew":3.766850,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974082,"usec":792766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.677383,"noise_level":-26.517765,"freq_skew":2.611458,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974083,"usec":579918},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599404,"noise_level":-27.905962,"freq_skew":3.859888,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55233,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[6,108,180,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974083,"usec":585097},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524783,"noise_level":-27.798710,"freq_skew":3.830759,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":59,"dst_ref":55233,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[64,207,196,5]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974083,"usec":590918},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.942649,"noise_level":-27.692766,"freq_skew":3.004928,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH06PL","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974084,"usec":330045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754764,"noise_level":-28.241432,"freq_skew":3.979672,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974084,"usec":351302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086707,"noise_level":-27.825527,"freq_skew":2.683233,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974085,"usec":97327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592048,"noise_level":-27.593426,"freq_skew":6.530382,"avlc":{"src":{"addr":"451D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974088,"usec":121750},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390279,"noise_level":-25.811436,"freq_skew":3.718801,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":60,"dst_ref":55235,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[173,234,117,156]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974090,"usec":453053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601804,"noise_level":-25.615702,"freq_skew":3.014953,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974091,"usec":206138},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301139,"noise_level":-25.756714,"freq_skew":3.945282,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":331,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55235,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[118,161,21,113]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":14,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974091,"usec":213158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782895,"noise_level":-25.507538,"freq_skew":1.302850,"avlc":{"src":{"addr":"511194","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974091,"usec":973178},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638363,"noise_level":-25.297222,"freq_skew":3.856575,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55235,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[74,208,180,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974092,"usec":733972},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.907985,"noise_level":-25.687220,"freq_skew":4.212520,"avlc":{"src":{"addr":"471D66","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974093,"usec":485106},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.030708,"noise_level":-25.407564,"freq_skew":4.397003,"avlc":{"src":{"addr":"4D2225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[167,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974094,"usec":237111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299269,"noise_level":-25.074097,"freq_skew":3.705379,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974094,"usec":241589},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576820,"noise_level":-25.172905,"freq_skew":2.128883,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".VT-TSE","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"AI2029","msg_num":"D66","msg_num_seq":"A","sublabel":"DF","msg_text":"APM 5 VT-TSE AIC2029 VIDPEDDF090926133958,\r\n,70990054,.840,,,267.2,,,-15.50,,,38000,,,427111,,,5754,5755,,,\r\n 90.07, 90.07,,, 0.844,467.0,,,\r\n 67.1, 68.1, 87.3, 88.3,,,0,0,1,,,,,, 31.0733,,,\r\n "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974094,"usec":992868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.203421,"noise_level":-25.402130,"freq_skew":1.069236,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974095,"usec":12662},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723318,"noise_level":-26.635803,"freq_skew":3.959335,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDP","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"PC56HD","msg_num":"M70","msg_num_seq":"A","msg_text":"PC56HD/09SEP26 17:14:48,30890,1934, 169,N 49.231 E 10.446"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974095,"usec":749339},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002450,"noise_level":-26.617180,"freq_skew":3.751298,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":430,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974096,"usec":565038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349004,"noise_level":-27.407923,"freq_skew":3.806093,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974097,"usec":321038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529086,"noise_level":-26.951378,"freq_skew":4.310785,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":17,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[112,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974098,"usec":67107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.886327,"noise_level":-26.654751,"freq_skew":1.880132,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974098,"usec":70186},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.885044,"noise_level":-27.034500,"freq_skew":4.898544,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974098,"usec":850121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594713,"noise_level":-26.504368,"freq_skew":3.776459,"avlc":{"src":{"addr":"4D2409","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974099,"usec":598386},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.373121,"noise_level":-26.126978,"freq_skew":5.035947,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":166,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,88,65,65,0,67,234,96],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974099,"usec":605538},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596571,"noise_level":-26.004738,"freq_skew":2.978765,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974100,"usec":344609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.522921,"noise_level":-25.835724,"freq_skew":4.800515,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974101,"usec":867619},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.926805,"noise_level":-25.212400,"freq_skew":4.801848,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974102,"usec":622185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970366,"noise_level":-24.616034,"freq_skew":7.847846,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974104,"usec":938724},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540177,"noise_level":-23.838783,"freq_skew":5.306151,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974104,"usec":939888},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640624,"noise_level":-23.798336,"freq_skew":8.021793,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974104,"usec":939888},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.640624,"noise_level":-23.798336,"freq_skew":8.021793,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974106,"usec":468305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659652,"noise_level":-23.163071,"freq_skew":8.029492,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974107,"usec":212937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.796270,"noise_level":-23.479118,"freq_skew":4.622112,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974107,"usec":982960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.726770,"noise_level":-23.111038,"freq_skew":1.978485,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974108,"usec":745553},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.562043,"noise_level":-24.963875,"freq_skew":7.154157,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-KCL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"CV0515","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974110,"usec":266696},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988991,"noise_level":-25.012751,"freq_skew":6.798971,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55201,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[164,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":15,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974110,"usec":269317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765499,"noise_level":-24.966467,"freq_skew":2.849033,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974110,"usec":270929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792008,"noise_level":-25.516453,"freq_skew":1.184106,"avlc":{"src":{"addr":"511194","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974111,"usec":74116},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174160,"noise_level":-26.017893,"freq_skew":2.604093,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":494,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974111,"usec":828517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695829,"noise_level":-26.616585,"freq_skew":7.033609,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974111,"usec":831215},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581856,"noise_level":-26.579454,"freq_skew":7.826692,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":710,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974112,"usec":577335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.339011,"noise_level":-26.395704,"freq_skew":2.646664,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974113,"usec":347947},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525379,"noise_level":-25.749237,"freq_skew":6.767580,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":9.300000},"alt":10000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974114,"usec":91288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421896,"noise_level":-25.435070,"freq_skew":5.564308,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974114,"usec":855323},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652171,"noise_level":-25.116203,"freq_skew":6.925549,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"17006262","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,178,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974116,"usec":412807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.584599,"noise_level":-25.009727,"freq_skew":8.593628,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974117,"usec":168345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.691726,"noise_level":-24.661156,"freq_skew":4.070491,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974118,"usec":681774},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058180,"noise_level":-23.948450,"freq_skew":4.175605,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":224,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974119,"usec":435090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524240,"noise_level":-23.612892,"freq_skew":3.830617,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974120,"usec":195361},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921683,"noise_level":-23.315224,"freq_skew":4.142849,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JJN","mode":"2","label":"32","blk_id":"8","ack":"!","flight":"WK315D","msg_num":"M47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974120,"usec":195816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570082,"noise_level":-23.302513,"freq_skew":6.796594,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55201,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[118,69]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":15,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974121,"usec":741565},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526744,"noise_level":-22.513668,"freq_skew":2.546085,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":404,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32101,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[117,92,190,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974122,"usec":471954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484667,"noise_level":-23.249382,"freq_skew":3.700614,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974123,"usec":231132},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151405,"noise_level":-23.600327,"freq_skew":2.635653,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974124,"usec":40544},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985783,"noise_level":-23.354052,"freq_skew":3.967869,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":107,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974124,"usec":62391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466520,"noise_level":-23.089737,"freq_skew":4.331313,"avlc":{"src":{"addr":"4CAC0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974124,"usec":803552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345969,"noise_level":-24.103695,"freq_skew":3.814065,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974127,"usec":87685},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650805,"noise_level":-24.725517,"freq_skew":2.752747,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":406,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32101,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[171,181,67,20]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":15,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974127,"usec":838161},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424343,"noise_level":-24.460230,"freq_skew":2.714942,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974128,"usec":608712},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006299,"noise_level":-24.528519,"freq_skew":2.492939,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32101,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[202,41,240,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974132,"usec":443211},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691553,"noise_level":-22.844769,"freq_skew":4.046432,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JJN","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"WK315D","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974134,"usec":713994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494218,"noise_level":-22.292864,"freq_skew":3.947145,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974136,"usec":233205},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963396,"noise_level":-21.734394,"freq_skew":3.834045,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JJN","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"WK315D","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974137,"usec":799652},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670337,"noise_level":-22.392637,"freq_skew":3.988288,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974139,"usec":326757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-18.296215,"noise_level":-24.524830,"freq_skew":1.316085,"avlc":{"src":{"addr":"494114","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974139,"usec":327264},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739313,"noise_level":-24.524830,"freq_skew":1.116218,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974139,"usec":341641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743205,"noise_level":-25.888977,"freq_skew":5.046706,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974140,"usec":831155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474618,"noise_level":-26.386501,"freq_skew":2.114039,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974146,"usec":195843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.434600,"noise_level":-24.055670,"freq_skew":4.622089,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974146,"usec":968250},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.557450,"noise_level":-23.937191,"freq_skew":5.034328,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974153,"usec":76129},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.030160,"noise_level":-22.135603,"freq_skew":5.281336,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR07QN","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974153,"usec":828963},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796665,"noise_level":-21.927092,"freq_skew":5.629343,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974153,"usec":836228},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952385,"noise_level":-21.734066,"freq_skew":5.227767,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974154,"usec":597492},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216801,"noise_level":-21.646729,"freq_skew":4.323501,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[238,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974155,"usec":360886},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748993,"noise_level":-23.525352,"freq_skew":3.992725,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55235,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[159,107,118,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974156,"usec":115764},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441034,"noise_level":-23.399733,"freq_skew":4.068781,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR19GL","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974156,"usec":119577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757788,"noise_level":-23.322987,"freq_skew":4.040170,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974157,"usec":666928},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837834,"noise_level":-24.857494,"freq_skew":4.282945,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":17,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[112,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974157,"usec":690012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916368,"noise_level":-25.432999,"freq_skew":2.698039,"avlc":{"src":{"addr":"AE0136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974159,"usec":186857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602993,"noise_level":-24.974482,"freq_skew":1.795337,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974159,"usec":956402},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788061,"noise_level":-24.480564,"freq_skew":4.892000,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHD","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR84UF","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974160,"usec":700704},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609142,"noise_level":-24.349316,"freq_skew":2.886114,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH06PL","msg_num":"M60","msg_num_seq":"A","msg_text":"001312342039 K8*P7279QQZ76XPA7PA70"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974161,"usec":478348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791720,"noise_level":-23.777390,"freq_skew":4.398805,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974161,"usec":479794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036975,"noise_level":-23.750595,"freq_skew":2.732833,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974161,"usec":480183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.344682,"noise_level":-23.737230,"freq_skew":3.515221,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974162,"usec":238091},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.875091,"noise_level":-23.409584,"freq_skew":3.414263,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":222,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[116,122,81,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974163,"usec":743578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632911,"noise_level":-22.946278,"freq_skew":3.509432,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974165,"usec":295006},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704342,"noise_level":-23.143097,"freq_skew":4.172896,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974166,"usec":56770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693043,"noise_level":-23.109648,"freq_skew":4.768409,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974167,"usec":569983},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858762,"noise_level":-22.509598,"freq_skew":2.782967,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"1","ack":"U","flight":"LH06PL","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974169,"usec":872030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886007,"noise_level":-22.338037,"freq_skew":3.380480,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974170,"usec":613181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331021,"noise_level":-22.213871,"freq_skew":5.174833,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974170,"usec":615867},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902712,"noise_level":-22.191484,"freq_skew":3.896042,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55211,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[93,76,6,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974171,"usec":425419},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417774,"noise_level":-21.873203,"freq_skew":2.810330,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974172,"usec":168312},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858112,"noise_level":-21.681356,"freq_skew":3.323834,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7768,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[2,19]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":16,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974173,"usec":686387},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.525579,"noise_level":-21.219503,"freq_skew":3.305228,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7768,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[77,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974175,"usec":974883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333904,"noise_level":-20.726627,"freq_skew":5.339134,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974175,"usec":977928},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.922440,"noise_level":-20.698341,"freq_skew":3.938834,"avlc":{"src":{"addr":"49D006","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974175,"usec":985051},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053241,"noise_level":-20.623362,"freq_skew":3.198974,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7768,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[73,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974176,"usec":730603},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689426,"noise_level":-21.170282,"freq_skew":4.390884,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974177,"usec":546941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808742,"noise_level":-21.077614,"freq_skew":4.734814,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974178,"usec":279792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495595,"noise_level":-21.048162,"freq_skew":4.714454,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974179,"usec":41260},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305667,"noise_level":-21.192400,"freq_skew":3.668990,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11921,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[83,134,164,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974180,"usec":579402},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920177,"noise_level":-20.708481,"freq_skew":0.998451,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":301,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974182,"usec":79297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465498,"noise_level":-22.121279,"freq_skew":0.979821,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974182,"usec":839762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946997,"noise_level":-22.109150,"freq_skew":2.713336,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974184,"usec":414936},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.031553,"noise_level":-21.828022,"freq_skew":5.259835,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4809,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":240,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[104,215]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974185,"usec":171796},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.671739,"noise_level":-21.564056,"freq_skew":4.999522,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974185,"usec":919427},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999402,"noise_level":-21.247503,"freq_skew":2.455340,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWN","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH03KA","msg_num":"M22","msg_num_seq":"A","msg_text":"00101209268Q2P0:D*AA09D2L)()61828SRR*O-F*D40O114)(203"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974187,"usec":452688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.837825,"noise_level":-21.377613,"freq_skew":2.556812,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974192,"usec":784186},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600559,"noise_level":-22.215065,"freq_skew":4.488874,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[159,16]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974192,"usec":787927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845368,"noise_level":-23.125168,"freq_skew":4.263546,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974193,"usec":567310},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.762722,"noise_level":-22.850592,"freq_skew":5.565204,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":295,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55217,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[210,247,192,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974198,"usec":140863},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610701,"noise_level":-21.636858,"freq_skew":4.115103,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":253,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":9,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974199,"usec":655557},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539609,"noise_level":-21.686918,"freq_skew":6.005874,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974201,"usec":930258},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500015,"noise_level":-21.866787,"freq_skew":3.848812,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974203,"usec":467237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.485789,"noise_level":-21.300451,"freq_skew":4.190515,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974204,"usec":215539},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657007,"noise_level":-21.032236,"freq_skew":7.975435,"avlc":{"src":{"addr":"49D13D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":713,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32252,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[113,16,97,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974205,"usec":26503},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794924,"noise_level":-21.690567,"freq_skew":4.885060,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11715,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[92,192]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974208,"usec":797053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801458,"noise_level":-20.490093,"freq_skew":4.670362,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974208,"usec":798688},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673228,"noise_level":-20.453411,"freq_skew":4.183625,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11913,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[227,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974209,"usec":582509},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877874,"noise_level":-20.103642,"freq_skew":4.363601,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11913,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[236,176]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":16,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974211,"usec":75916},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553267,"noise_level":-20.427454,"freq_skew":0.887841,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11862,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[53,253,206,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974211,"usec":75916},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.553267,"noise_level":-20.427454,"freq_skew":0.887841,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11862,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,42,156,126]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":16,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974211,"usec":884559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802197,"noise_level":-20.980221,"freq_skew":1.218872,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974211,"usec":898327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004351,"noise_level":-22.096489,"freq_skew":4.217140,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974212,"usec":663334},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.899979,"noise_level":-21.760307,"freq_skew":5.349833,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974215,"usec":686986},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.533672,"noise_level":-21.739950,"freq_skew":5.191711,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWF","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH02WZ","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974215,"usec":686986},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-6.533672,"noise_level":-21.739950,"freq_skew":5.191711,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057346","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,230,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974215,"usec":694270},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713368,"noise_level":-21.634468,"freq_skew":4.155292,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11725,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[42,232]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974218,"usec":766818},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682014,"noise_level":-22.302979,"freq_skew":4.807448,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11715,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[136,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974219,"usec":513962},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896490,"noise_level":-22.157011,"freq_skew":4.153847,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974219,"usec":523973},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301716,"noise_level":-22.057373,"freq_skew":4.953119,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":766,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11715,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[180,207]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":14,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":16,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974220,"usec":271708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884639,"noise_level":-23.524153,"freq_skew":5.443912,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974221,"usec":33567},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587078,"noise_level":-23.407646,"freq_skew":4.202858,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11725,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[42,232]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974221,"usec":789061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730695,"noise_level":-24.673141,"freq_skew":4.696167,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974222,"usec":549398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455218,"noise_level":-24.691534,"freq_skew":4.975527,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974222,"usec":558434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.711896,"noise_level":-25.229090,"freq_skew":2.306804,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974223,"usec":319722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814573,"noise_level":-24.978981,"freq_skew":5.576138,"avlc":{"src":{"addr":"44CE78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974224,"usec":84013},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423734,"noise_level":-25.271725,"freq_skew":4.423869,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32250,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[174,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974224,"usec":861701},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415521,"noise_level":-25.990345,"freq_skew":1.135164,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974225,"usec":621122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880181,"noise_level":-26.101009,"freq_skew":2.213291,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974225,"usec":629536},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826799,"noise_level":-25.961861,"freq_skew":4.319392,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":11913,"variable_part_params":[{"name":"checksum","value":[140,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974225,"usec":639754},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454466,"noise_level":-25.791004,"freq_skew":0.963322,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11862,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[168,157,201,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974225,"usec":641339},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488798,"noise_level":-25.774099,"freq_skew":4.634394,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11779,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[194,184,160,4]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974227,"usec":900972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.650873,"noise_level":-25.526012,"freq_skew":2.181262,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974228,"usec":671704},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026970,"noise_level":-24.893215,"freq_skew":4.278719,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[107,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974228,"usec":677940},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495193,"noise_level":-25.873703,"freq_skew":4.329473,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNL","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH028N","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974228,"usec":677940},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.495193,"noise_level":-25.873703,"freq_skew":4.329473,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044714","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,73,204,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974230,"usec":183649},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.692825,"noise_level":-25.231865,"freq_skew":4.916097,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":768,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11715,"credit":5,"rseq":17,"variable_part_params":[{"name":"checksum","value":[132,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974230,"usec":952738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042717,"noise_level":-24.907206,"freq_skew":4.422249,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974231,"usec":731448},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966460,"noise_level":-24.651220,"freq_skew":5.905465,"avlc":{"src":{"addr":"44CE78","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":483,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":16,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974232,"usec":505925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651740,"noise_level":-24.302208,"freq_skew":1.825799,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974234,"usec":1999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629454,"noise_level":-25.148144,"freq_skew":4.855954,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974234,"usec":4200},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016377,"noise_level":-25.869389,"freq_skew":5.104918,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[108,68]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974234,"usec":11192},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.886043,"noise_level":-25.617008,"freq_skew":3.928410,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":9.300000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974234,"usec":776472},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544892,"noise_level":-25.452738,"freq_skew":4.669473,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11779,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[46,0,96,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974235,"usec":537630},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.729633,"noise_level":-25.774559,"freq_skew":4.540703,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974236,"usec":281534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824814,"noise_level":-25.171194,"freq_skew":4.135954,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974237,"usec":50999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703035,"noise_level":-25.049213,"freq_skew":4.552895,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974237,"usec":849779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019713,"noise_level":-25.270521,"freq_skew":4.081192,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974237,"usec":856254},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072865,"noise_level":-25.915852,"freq_skew":2.224239,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974237,"usec":856254},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.072865,"noise_level":-25.915852,"freq_skew":2.224239,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974238,"usec":594664},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.719760,"noise_level":-25.695538,"freq_skew":1.997403,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":121499},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790660,"noise_level":-24.881475,"freq_skew":4.299903,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[227,114]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":130680},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022276,"noise_level":-25.622055,"freq_skew":5.508408,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":298,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55217,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,130,237,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":142370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155940,"noise_level":-25.457689,"freq_skew":2.520897,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":144837},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.245891,"noise_level":-25.408981,"freq_skew":2.526946,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":410,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32101,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[32,245,35,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":868894},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.589143,"noise_level":-25.328400,"freq_skew":2.747281,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32101,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,56,141,2]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974240,"usec":874929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885573,"noise_level":-24.951696,"freq_skew":5.613875,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974241,"usec":634237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.682673,"noise_level":-24.936350,"freq_skew":4.857166,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974241,"usec":641115},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159326,"noise_level":-24.844833,"freq_skew":5.167625,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3990,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":237,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[128,186]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974241,"usec":642759},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.456565,"noise_level":-24.829674,"freq_skew":4.404933,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[223,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974241,"usec":643799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980767,"noise_level":-25.433760,"freq_skew":4.765041,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974241,"usec":657570},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078907,"noise_level":-25.209362,"freq_skew":5.268934,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":299,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55217,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[155,220,180,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974244,"usec":677227},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.870301,"noise_level":-23.904263,"freq_skew":3.429101,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":11.400001},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974244,"usec":690220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.758262,"noise_level":-23.702393,"freq_skew":3.238182,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH08YA","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974246,"usec":239262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924512,"noise_level":-23.236233,"freq_skew":4.967025,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974249,"usec":288463},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.261950,"noise_level":-22.115477,"freq_skew":2.701466,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":412,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32101,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,243,104,125]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974250,"usec":21980},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808027,"noise_level":-22.307381,"freq_skew":3.915030,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974250,"usec":799950},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053291,"noise_level":-22.028677,"freq_skew":2.756525,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974251,"usec":588137},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368841,"noise_level":-21.876421,"freq_skew":2.710997,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":413,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32101,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[232,98,80,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974252,"usec":352284},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.962213,"noise_level":-21.558880,"freq_skew":2.834844,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":414,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32101,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[187,94,63,42]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974253,"usec":108064},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880898,"noise_level":-21.343311,"freq_skew":3.904598,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":283,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974253,"usec":110561},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883479,"noise_level":-21.888756,"freq_skew":2.670641,"avlc":{"src":{"addr":"485A82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974258,"usec":428441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834446,"noise_level":-20.902758,"freq_skew":4.159890,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974258,"usec":430973},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944117,"noise_level":-20.883505,"freq_skew":5.167052,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5118,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[158,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974259,"usec":984853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.541775,"noise_level":-20.919210,"freq_skew":4.614585,"avlc":{"src":{"addr":"4CA8E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974260,"usec":751621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092159,"noise_level":-20.587671,"freq_skew":4.813243,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974261,"usec":499309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.460770,"noise_level":-21.217258,"freq_skew":3.974858,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974263,"usec":17369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069069,"noise_level":-20.864067,"freq_skew":4.131726,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974263,"usec":786395},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549830,"noise_level":-20.602438,"freq_skew":3.886264,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,84,72,89,0,75,170,129,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":254,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":56,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[190,93]},{"name":"atn_checksum","value":[181,37,1,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974264,"usec":542830},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670376,"noise_level":-21.912165,"freq_skew":3.910773,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974267,"usec":616552},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795442,"noise_level":-22.622862,"freq_skew":4.432485,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974268,"usec":375227},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800488,"noise_level":-23.049753,"freq_skew":5.146459,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[154,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974268,"usec":383801},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615480,"noise_level":-22.951591,"freq_skew":1.847139,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":176,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974269,"usec":887804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523917,"noise_level":-23.515301,"freq_skew":3.986980,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974272,"usec":219945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762735,"noise_level":-22.983276,"freq_skew":4.270450,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974275,"usec":258614},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.725985,"noise_level":-22.079332,"freq_skew":3.893164,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36223,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[254,182,122,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974276,"usec":9495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874714,"noise_level":-21.690874,"freq_skew":7.012013,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974276,"usec":764367},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864361,"noise_level":-21.534008,"freq_skew":3.404359,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH08YA","msg_num":"D19","msg_num_seq":"L","sublabel":"DF","msg_text":"038,010,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974278,"usec":315508},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665759,"noise_level":-20.981920,"freq_skew":3.369117,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974279,"usec":86903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690850,"noise_level":-20.789551,"freq_skew":4.129512,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974280,"usec":597040},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074735,"noise_level":-20.417147,"freq_skew":3.828682,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11925,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[99,91,59,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974280,"usec":597666},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.321218,"noise_level":-20.417147,"freq_skew":3.705263,"avlc":{"src":{"addr":"4B18BB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55235,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,57,132,104]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":17,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974280,"usec":598182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.386037,"noise_level":-20.408039,"freq_skew":2.249083,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974281,"usec":370444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.341743,"noise_level":-20.551882,"freq_skew":3.681970,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974282,"usec":134194},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762016,"noise_level":-22.451632,"freq_skew":2.394291,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062725","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,213,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974282,"usec":880008},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616415,"noise_level":-23.296448,"freq_skew":2.191662,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH0918","msg_num":"S24","msg_num_seq":"A","msg_text":"0EV171801V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":18,"sec":1}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974283,"usec":645738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453169,"noise_level":-23.639477,"freq_skew":2.614140,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974284,"usec":400906},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.801909,"noise_level":-23.315430,"freq_skew":4.948071,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11715,"credit":5,"rseq":18,"variable_part_params":[{"name":"checksum","value":[128,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974285,"usec":189575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921808,"noise_level":-23.388948,"freq_skew":1.081760,"avlc":{"src":{"addr":"4BB061","type":"Aircraft","status":"On ground"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974285,"usec":191079},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622229,"noise_level":-23.350540,"freq_skew":4.859359,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11715,"sseq":16,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,56]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":16,"msg_ref":17,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":18,"sec":2}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974286,"usec":705263},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199471,"noise_level":-23.950768,"freq_skew":4.187011,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11725,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[86,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974286,"usec":706156},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.152433,"noise_level":-23.937090,"freq_skew":5.253098,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057346","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,230,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974286,"usec":713589},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187747,"noise_level":-23.869022,"freq_skew":3.425899,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974286,"usec":723585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895311,"noise_level":-23.788036,"freq_skew":5.000905,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974287,"usec":474238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133828,"noise_level":-23.396730,"freq_skew":5.486915,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974288,"usec":242512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745284,"noise_level":-23.702797,"freq_skew":4.159996,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974288,"usec":988626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381604,"noise_level":-23.518520,"freq_skew":4.226456,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32194,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[101,187,108,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974289,"usec":2584},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490930,"noise_level":-24.059669,"freq_skew":2.886002,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974289,"usec":742401},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732530,"noise_level":-24.007401,"freq_skew":5.076970,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974289,"usec":743247},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634861,"noise_level":-23.979889,"freq_skew":2.986700,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22351450","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,86,83,0,73,211,40,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974290,"usec":502095},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.492480,"noise_level":-24.427786,"freq_skew":5.122928,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3992,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":237,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[24,129]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":18,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974290,"usec":508716},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734333,"noise_level":-24.327143,"freq_skew":2.249746,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"LZIB"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974290,"usec":513256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019080,"noise_level":-24.270151,"freq_skew":5.630435,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974291,"usec":278044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579454,"noise_level":-24.666403,"freq_skew":6.011795,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974292,"usec":841333},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.852774,"noise_level":-24.073864,"freq_skew":5.024320,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974292,"usec":843177},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.523068,"noise_level":-24.046139,"freq_skew":2.148270,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":507,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55221,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,229,150,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974295,"usec":874411},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483810,"noise_level":-23.758543,"freq_skew":5.332080,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974296,"usec":615112},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613222,"noise_level":-23.638868,"freq_skew":4.110364,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32194,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[101,187,108,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974296,"usec":618004},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.665102,"noise_level":-23.555544,"freq_skew":5.407334,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974296,"usec":620026},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436528,"noise_level":-23.490391,"freq_skew":2.207767,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH0918","msg_num":"D09","msg_num_seq":"H","sublabel":"DF","msg_text":"0100,110,016,002,020,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974298,"usec":933327},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951909,"noise_level":-24.195854,"freq_skew":2.488496,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEN","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH04UP","msg_num":"D96","msg_num_seq":"B","sublabel":"DF","msg_text":",06151,02671,00/E10532,0801,64,172,006,000,028,0/N10532,0801,64,164,008,000,023,0/S11590,3876,017,002,167,43,09141,2/T11554,3874,015,N00,143,43,09161,2/V10137,N017,01056,00352,207,207,200,0/X13501,N0250,247"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974298,"usec":933735},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968165,"noise_level":-24.181787,"freq_skew":2.162688,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":0,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":4,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974298,"usec":935951},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804130,"noise_level":-24.097847,"freq_skew":4.300148,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974299,"usec":696573},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.329671,"noise_level":-24.014713,"freq_skew":4.796114,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":773,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":4,"dst_ref":11715,"variable_part_params":[{"name":"checksum","value":[118,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974299,"usec":698131},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826952,"noise_level":-24.141457,"freq_skew":2.276044,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":1,"calling_addr":"16336564","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,50,50,55,0,57,189,116,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974299,"usec":703673},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768470,"noise_level":-24.293060,"freq_skew":4.120417,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":24,"dst_ref":11725,"variable_part_params":[{"name":"checksum","value":[233,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974300,"usec":475753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274343,"noise_level":-24.011393,"freq_skew":5.185847,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974302,"usec":736585},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.543609,"noise_level":-23.888865,"freq_skew":3.423088,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINW","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH08YA","msg_num":"D20","msg_num_seq":"D","sublabel":"DF","msg_text":"41,012,N02,140,41,11865,2/V30055,N047,02176,00096,220,220,222,0/X32881,00450,041,021,039,038,010,2/E40876,0917,51,119,007,000,040,0/N40875,0916,51,118,007,000,037,0/S43758,5881,014,000,157,41,12524,2/T43749"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974304,"usec":259348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.464481,"noise_level":-23.234568,"freq_skew":3.866261,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974304,"usec":263284},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750226,"noise_level":-23.171768,"freq_skew":4.098766,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":24,"dst_ref":11725,"variable_part_params":[{"name":"checksum","value":[233,115]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974305,"usec":3795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.692915,"noise_level":-23.072226,"freq_skew":5.299729,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974310,"usec":352523},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.689356,"noise_level":-22.120798,"freq_skew":5.314991,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974310,"usec":354701},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957848,"noise_level":-22.087595,"freq_skew":4.237731,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044714","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,73,204,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974311,"usec":130560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214283,"noise_level":-21.751749,"freq_skew":4.188401,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974311,"usec":877240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003648,"noise_level":-21.572945,"freq_skew":2.090413,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974311,"usec":877683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613247,"noise_level":-21.572945,"freq_skew":2.234890,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974311,"usec":880201},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299492,"noise_level":-21.552147,"freq_skew":4.291488,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[107,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974314,"usec":205228},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322451,"noise_level":-21.462273,"freq_skew":4.619073,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974314,"usec":211830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842425,"noise_level":-21.390621,"freq_skew":4.289711,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974314,"usec":212133},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009356,"noise_level":-21.380432,"freq_skew":5.243342,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[150,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974316,"usec":486425},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009795,"noise_level":-22.248487,"freq_skew":5.210605,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974319,"usec":540939},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890673,"noise_level":-22.440794,"freq_skew":5.286747,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974319,"usec":561404},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.195943,"noise_level":-22.236147,"freq_skew":5.095628,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221140","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974320,"usec":309740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.522226,"noise_level":-22.080242,"freq_skew":5.053460,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDS","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR74UN","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974321,"usec":74704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523400,"noise_level":-22.055355,"freq_skew":5.119392,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974324,"usec":91513},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744295,"noise_level":-23.364981,"freq_skew":5.732594,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGX","mode":"2","label":"8F","blk_id":"2","ack":"!","flight":"FR63FF","msg_num":"M77","msg_num_seq":"A","msg_text":"164153,C,LIPZ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974324,"usec":876788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.607909,"noise_level":-22.807447,"freq_skew":3.247624,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974325,"usec":673533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812071,"noise_level":-23.678501,"freq_skew":3.789867,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974326,"usec":422874},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869136,"noise_level":-24.618504,"freq_skew":4.329669,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,21]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974327,"usec":932191},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991122,"noise_level":-25.076906,"freq_skew":5.421380,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11706,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[137,156]},{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974327,"usec":939719},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.752625,"noise_level":-24.983904,"freq_skew":5.012297,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974328,"usec":695743},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001819,"noise_level":-24.736492,"freq_skew":3.966271,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55211,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[163,100,19,104]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55211,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[219,129,92,190]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974328,"usec":720368},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980913,"noise_level":-24.470873,"freq_skew":3.817523,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":229,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":62,"dst_ref":55211,"variable_part_params":[{"name":"atn_checksum","value":[70,47,103,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974330,"usec":224511},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586719,"noise_level":-24.664938,"freq_skew":2.096826,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974330,"usec":967109},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646418,"noise_level":-24.781738,"freq_skew":2.276032,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH0918","msg_num":"D10","msg_num_seq":"K","sublabel":"DF","msg_text":"4901,00250,105,017,002,025,009,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974330,"usec":970141},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012690,"noise_level":-24.736668,"freq_skew":5.065930,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4001,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":2,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,76,173,227],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974332,"usec":557552},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.059950,"noise_level":-24.416725,"freq_skew":4.989762,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5126,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":2,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,77,34,96],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974334,"usec":821628},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219634,"noise_level":-23.434517,"freq_skew":5.152760,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974335,"usec":569889},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.505370,"noise_level":-23.230551,"freq_skew":4.962646,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5127,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":3,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,77,34,96]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,77,34,96]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974335,"usec":580617},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508576,"noise_level":-23.093052,"freq_skew":5.513170,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENI","mode":"2","label":"_d","blk_id":"6","ack":"N","flight":"LH003K","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974336,"usec":321716},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509795,"noise_level":-22.994402,"freq_skew":4.584323,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11779,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[201,157,103,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974336,"usec":324150},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819507,"noise_level":-24.146557,"freq_skew":5.193107,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,173,227,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974336,"usec":325549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255368,"noise_level":-24.132566,"freq_skew":5.200697,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974337,"usec":82858},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859270,"noise_level":-23.789959,"freq_skew":5.049481,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4002,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":3,"credit_offered":3,"credit_avail":2,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,82,89,82,0,76,173,227]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,82,89,82,0,76,173,227]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974338,"usec":618378},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.018921,"noise_level":-24.706898,"freq_skew":4.748808,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,77,34,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974339,"usec":418130},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728952,"noise_level":-24.384420,"freq_skew":4.011445,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974342,"usec":441404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777818,"noise_level":-23.704214,"freq_skew":4.101418,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974343,"usec":206985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026875,"noise_level":-24.190493,"freq_skew":4.068364,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974347,"usec":34149},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.319552,"noise_level":-23.418728,"freq_skew":3.378600,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINW","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH08YA","msg_num":"D21","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,014530,1,1,TB000000/REP019,64,01,1/CCD-AINW,SEP09,171820,EDDM,EGLL,0008/C0SW060063130001/C151,77619,5200,50,0110,0,0110,50,X/CEN007,19384,240,521,6538,341,W22013/EC772202,12358,08030,D3,15,050/EE772034"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974347,"usec":790520},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943998,"noise_level":-23.215126,"freq_skew":4.020746,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-LFC","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"CB0863","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974348,"usec":544542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838342,"noise_level":-24.072517,"freq_skew":4.635583,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974351,"usec":583867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.108986,"noise_level":-23.924181,"freq_skew":5.270278,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974351,"usec":592636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947094,"noise_level":-24.097305,"freq_skew":3.390498,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974351,"usec":600405},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.686138,"noise_level":-24.000397,"freq_skew":3.870842,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974353,"usec":142505},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280008,"noise_level":-24.495296,"freq_skew":3.814440,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWP","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH008A","msg_num":"M17","msg_num_seq":"A","msg_text":"00174234278*Z4AMKO*23SSZMD-*7MQRS0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974353,"usec":152652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961470,"noise_level":-24.222708,"freq_skew":5.997590,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974354,"usec":663776},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.298723,"noise_level":-24.220501,"freq_skew":5.429184,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4816,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":11706,"variable_part_params":[{"name":"checksum","value":[104,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974355,"usec":429610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.488467,"noise_level":-23.793440,"freq_skew":3.939453,"avlc":{"src":{"addr":"3C5EF0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974356,"usec":937910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877669,"noise_level":-26.150818,"freq_skew":4.663140,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974356,"usec":949629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471880,"noise_level":-25.976238,"freq_skew":4.573865,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974360,"usec":789772},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834866,"noise_level":-28.258705,"freq_skew":4.070933,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044724","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,73,212,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974360,"usec":796931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.776660,"noise_level":-28.102768,"freq_skew":4.590354,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974363,"usec":51974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843513,"noise_level":-28.050747,"freq_skew":3.927762,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974363,"usec":53016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.561628,"noise_level":-28.028830,"freq_skew":5.436830,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974363,"usec":56967},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180309,"noise_level":-27.985157,"freq_skew":4.671832,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[127,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974365,"usec":344150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480644,"noise_level":-27.243814,"freq_skew":2.123430,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974371,"usec":442364},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385186,"noise_level":-25.621969,"freq_skew":5.077121,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974373,"usec":758747},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210262,"noise_level":-25.815388,"freq_skew":5.089806,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4003,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":24,"dst_ref":11948,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[60,64]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974375,"usec":287227},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446638,"noise_level":-25.499575,"freq_skew":3.800031,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974376,"usec":31434},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176927,"noise_level":-26.214596,"freq_skew":5.645771,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":240,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[3,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974378,"usec":317312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270685,"noise_level":-24.762074,"freq_skew":5.422397,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974380,"usec":635969},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251997,"noise_level":-24.693111,"freq_skew":3.899042,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11925,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[99,91,59,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974381,"usec":396906},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315568,"noise_level":-25.324442,"freq_skew":4.113261,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974381,"usec":401239},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965706,"noise_level":-25.260542,"freq_skew":5.016300,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[71,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974382,"usec":149566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103511,"noise_level":-25.179493,"freq_skew":1.997272,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974382,"usec":908725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828231,"noise_level":-25.585884,"freq_skew":0.331536,"avlc":{"src":{"addr":"511194","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974382,"usec":912232},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789908,"noise_level":-25.536457,"freq_skew":5.443603,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[67,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974383,"usec":673680},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587411,"noise_level":-25.072586,"freq_skew":4.144803,"avlc":{"src":{"addr":"4BB20F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11925,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[99,91,59,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974384,"usec":450408},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632809,"noise_level":-24.441868,"freq_skew":7.754050,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974386,"usec":744769},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199635,"noise_level":-23.732876,"freq_skew":5.410928,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGX","mode":"2","label":"QP","blk_id":"6","ack":"!","flight":"FR63FF","msg_num":"M79","msg_num_seq":"A","msg_text":"LIPZEKCH1648 142 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974386,"usec":745959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800519,"noise_level":-23.998550,"freq_skew":7.908941,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974386,"usec":751055},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240018,"noise_level":-23.834932,"freq_skew":5.111951,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[67,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974387,"usec":509689},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715624,"noise_level":-23.700897,"freq_skew":5.139634,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[67,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974390,"usec":560752},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.464898,"noise_level":-22.968176,"freq_skew":3.322529,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23220205","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,32,133,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974394,"usec":399715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373726,"noise_level":-22.515516,"freq_skew":3.807824,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974394,"usec":401729},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094046,"noise_level":-22.480774,"freq_skew":5.196236,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENI","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"LH003K","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974395,"usec":151448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650565,"noise_level":-24.184052,"freq_skew":3.683156,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36252,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[18,80,112,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974397,"usec":424376},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396600,"noise_level":-24.351950,"freq_skew":5.848095,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974398,"usec":172563},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773345,"noise_level":-24.111599,"freq_skew":5.099488,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGX","mode":"2","label":"QQ","blk_id":"7","ack":"!","flight":"FR63FF","msg_num":"M80","msg_num_seq":"A","msg_text":"LIPZEKCH17001648"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974402,"usec":30169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691405,"noise_level":-24.273296,"freq_skew":2.104010,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974402,"usec":789495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397294,"noise_level":-24.419132,"freq_skew":5.639099,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974403,"usec":554430},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589175,"noise_level":-24.009960,"freq_skew":3.644097,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JTA","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"TK06MG","msg_num":"M55","msg_num_seq":"A","msg_text":" /N 49.688/E 9.304/16586/0909/1720/97/1944/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974405,"usec":57950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972843,"noise_level":-23.514423,"freq_skew":4.773538,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974406,"usec":570759},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.215363,"noise_level":-22.981436,"freq_skew":5.705559,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974407,"usec":360715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195893,"noise_level":-23.655281,"freq_skew":4.260136,"avlc":{"src":{"addr":"43EA60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974408,"usec":123676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690113,"noise_level":-24.206717,"freq_skew":1.972750,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974408,"usec":887640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804257,"noise_level":-23.981106,"freq_skew":3.908086,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974408,"usec":896673},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065832,"noise_level":-24.616194,"freq_skew":4.139625,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[107,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974408,"usec":903789},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717727,"noise_level":-24.997675,"freq_skew":2.276277,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":715,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974410,"usec":404835},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723697,"noise_level":-24.933357,"freq_skew":4.295035,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNL","mode":"2","label":"_d","blk_id":"6","ack":"O","flight":"LH028N","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974411,"usec":171832},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.520767,"noise_level":-24.895943,"freq_skew":2.533769,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":495,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974411,"usec":918519},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907787,"noise_level":-24.610693,"freq_skew":5.305295,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGX","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"FR63FF","msg_num":"S41","msg_num_seq":"A","msg_text":"0E21718082/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":17,"min":18,"sec":8}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974413,"usec":490188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641922,"noise_level":-24.101231,"freq_skew":5.254567,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974413,"usec":493212},"freq":136975000,"burst_len_octets":242,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788671,"noise_level":-24.059547,"freq_skew":4.040951,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNT","mode":"2","label":"H2","blk_id":"7","ack":"!","flight":"LH59MG","msg_num":"M55","msg_num_seq":"A","msg_text":"02E09LIEOEDDSN43447E00935916473001M362214037G QN44389E00922716542996M365214042G QN45325E00908917013200M427218047G QN46281E00904817083127M415221071G QN47230E00916517152455M260232061G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974414,"usec":234220},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.630202,"noise_level":-23.759834,"freq_skew":4.248615,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[107,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974415,"usec":16961},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209060,"noise_level":-23.497877,"freq_skew":5.147347,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32284,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[233,217,136,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974415,"usec":751938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549912,"noise_level":-23.446060,"freq_skew":3.866114,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974416,"usec":512844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.969899,"noise_level":-23.161888,"freq_skew":5.076259,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974418,"usec":43182},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.344004,"noise_level":-22.500233,"freq_skew":5.935983,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR192Y","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974418,"usec":43551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707248,"noise_level":-22.488655,"freq_skew":4.001111,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":230,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974418,"usec":44918},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055816,"noise_level":-22.477097,"freq_skew":3.438962,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":64,"dst_ref":32077,"variable_part_params":[{"name":"atn_checksum","value":[92,185,13,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974418,"usec":788959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974895,"noise_level":-22.215370,"freq_skew":5.964993,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974419,"usec":557234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487084,"noise_level":-22.004959,"freq_skew":4.012466,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974420,"usec":354288},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785747,"noise_level":-21.799522,"freq_skew":7.797920,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32198,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,146,183,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974420,"usec":365525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.535614,"noise_level":-21.693321,"freq_skew":4.797689,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974421,"usec":100766},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736209,"noise_level":-22.353893,"freq_skew":7.761057,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221643","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,76,72,0,77,35,163,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974422,"usec":634537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089788,"noise_level":-22.164080,"freq_skew":3.224112,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974423,"usec":374818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785108,"noise_level":-23.173252,"freq_skew":5.286608,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974423,"usec":377768},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696169,"noise_level":-23.048981,"freq_skew":7.824145,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32198,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[129,146,183,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974424,"usec":144205},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.404758,"noise_level":-23.450632,"freq_skew":5.373312,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974424,"usec":906578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802117,"noise_level":-24.048267,"freq_skew":7.927061,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974425,"usec":667901},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555412,"noise_level":-24.673496,"freq_skew":4.419298,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,21]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974427,"usec":975653},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057909,"noise_level":-25.713120,"freq_skew":3.351697,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINW","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH08YA","msg_num":"D22","msg_num_seq":"E","sublabel":"DF","msg_text":"3334,5881,015,001,157,40,18156,2/T53326,5888,015,N00,142,41,18165,2/V50010,N122,03152,00096,220,220,222,0/X52881,00500,058,017,033,030,010,2/S63278,5865,016,001,157,41,18808,2/T63265,5867,015,000,142,41,188"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974428,"usec":739743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087090,"noise_level":-25.552212,"freq_skew":4.123489,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974430,"usec":250146},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862332,"noise_level":-25.701122,"freq_skew":5.313456,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55217,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[210,179,230,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974431,"usec":18606},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539442,"noise_level":-25.584694,"freq_skew":4.718680,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":11.000000},"alt":37000}},{"name":"alternate_ground_stations","value":["109F2A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974431,"usec":770799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751961,"noise_level":-25.292280,"freq_skew":4.188655,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974432,"usec":523726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878426,"noise_level":-24.780487,"freq_skew":4.364634,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974432,"usec":529257},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021633,"noise_level":-25.596304,"freq_skew":5.114853,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974433,"usec":331675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.822435,"noise_level":-25.530378,"freq_skew":2.838754,"avlc":{"src":{"addr":"A82DFF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974433,"usec":332289},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513299,"noise_level":-25.530378,"freq_skew":4.566491,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11779,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[201,157,103,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974434,"usec":95377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409398,"noise_level":-26.644918,"freq_skew":4.809499,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974435,"usec":618532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.606527,"noise_level":-26.178568,"freq_skew":5.056982,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974436,"usec":385800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351929,"noise_level":-25.646767,"freq_skew":4.639381,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974437,"usec":119160},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589716,"noise_level":-26.380024,"freq_skew":2.740374,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TSU","mode":"2","label":"_d","blk_id":"5","ack":"G","flight":"QS0535","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974437,"usec":894758},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445489,"noise_level":-25.938774,"freq_skew":3.787847,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":12.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974437,"usec":902940},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697367,"noise_level":-25.785255,"freq_skew":3.288718,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH08YA","msg_num":"204","msg_num_seq":"A","sublabel":"T2","msg_text":"T-B0C)00A7ECDF(OXV/FRA,CGN,BRU,AMS"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974440,"usec":970512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631625,"noise_level":-24.411907,"freq_skew":2.666214,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TSU","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"QS0535","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974441,"usec":715281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718299,"noise_level":-24.113941,"freq_skew":5.046536,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974443,"usec":253185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.128487,"noise_level":-24.897816,"freq_skew":3.198062,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974443,"usec":258466},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.219163,"noise_level":-24.821823,"freq_skew":4.237893,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4582,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974443,"usec":260754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229274,"noise_level":-24.776543,"freq_skew":2.155548,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974443,"usec":990984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072887,"noise_level":-24.937075,"freq_skew":3.346449,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"_d","blk_id":"0","ack":"D","flight":"LH08YA","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974445,"usec":512833},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965915,"noise_level":-24.330063,"freq_skew":3.303820,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"_d","blk_id":"2","ack":"E","flight":"LH08YA","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974445,"usec":533709},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950026,"noise_level":-24.048679,"freq_skew":5.378953,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4820,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974446,"usec":262080},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.332079,"noise_level":-24.021034,"freq_skew":3.372482,"avlc":{"src":{"addr":"3C65D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINW","mode":"2","label":"_d","blk_id":"3","ack":"F","flight":"LH08YA","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974447,"usec":826073},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596522,"noise_level":-23.610283,"freq_skew":3.809836,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":51.600002,"lon":12.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974447,"usec":826802},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717470,"noise_level":-23.597130,"freq_skew":7.904055,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32198,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[34,240,24,78]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32198,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[161,15,65,25]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":20,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974447,"usec":846231},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668695,"noise_level":-23.376532,"freq_skew":6.665885,"avlc":{"src":{"addr":"3C0CB2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4196,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974448,"usec":588916},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536360,"noise_level":-23.530512,"freq_skew":5.376682,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4007,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[63,178]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974449,"usec":345423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656382,"noise_level":-23.413921,"freq_skew":4.844722,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974449,"usec":362285},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684196,"noise_level":-23.223009,"freq_skew":5.227593,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4008,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11948,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[172,137]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":20,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974451,"usec":630731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970273,"noise_level":-22.360880,"freq_skew":4.997112,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974452,"usec":395371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063102,"noise_level":-22.447132,"freq_skew":4.366783,"avlc":{"src":{"addr":"501C4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974454,"usec":721564},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584568,"noise_level":-24.695473,"freq_skew":3.637482,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22725201","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,72,89,0,75,170,129,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974455,"usec":457237},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227818,"noise_level":-25.885242,"freq_skew":3.786152,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JTA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"TK06MG","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974456,"usec":232185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206802,"noise_level":-27.019331,"freq_skew":3.371220,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974456,"usec":991608},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823530,"noise_level":-27.822155,"freq_skew":7.962411,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32198,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[234,93,69,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974457,"usec":736442},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567100,"noise_level":-27.569359,"freq_skew":7.631104,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32198,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[14,225,226,238]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974457,"usec":743876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813020,"noise_level":-27.384472,"freq_skew":1.062062,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974457,"usec":748290},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525907,"noise_level":-27.243347,"freq_skew":4.622652,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":11779,"variable_part_params":[{"name":"atn_checksum","value":[101,142,141,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974457,"usec":750101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920024,"noise_level":-27.183556,"freq_skew":3.005015,"avlc":{"src":{"addr":"AE0136","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":492855},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792319,"noise_level":-27.124178,"freq_skew":4.760955,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":495074},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564333,"noise_level":-27.139490,"freq_skew":5.973315,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23122554","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,165,108,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":496103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826645,"noise_level":-27.702551,"freq_skew":5.239693,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":499392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032138,"noise_level":-27.639530,"freq_skew":7.734424,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":510930},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407940,"noise_level":-27.391914,"freq_skew":5.766470,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWG","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR192Y","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974458,"usec":513788},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890488,"noise_level":-27.331100,"freq_skew":5.153640,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4010,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[52,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974460,"usec":12737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583242,"noise_level":-27.416182,"freq_skew":2.302872,"avlc":{"src":{"addr":"80158C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974460,"usec":26492},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687538,"noise_level":-27.135178,"freq_skew":5.232074,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974460,"usec":817008},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449621,"noise_level":-26.882141,"freq_skew":4.528794,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11876,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[147,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":20,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974461,"usec":575777},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063161,"noise_level":-26.397163,"freq_skew":7.903183,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":61,"dst_ref":32198,"variable_part_params":[{"name":"atn_checksum","value":[210,94,200,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974461,"usec":576249},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479060,"noise_level":-26.796587,"freq_skew":4.442292,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":11779,"variable_part_params":[{"name":"atn_checksum","value":[101,142,141,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974461,"usec":579300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475273,"noise_level":-26.758678,"freq_skew":4.635960,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974461,"usec":593952},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.666471,"noise_level":-26.497856,"freq_skew":5.201326,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[109,58]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974462,"usec":327039},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652824,"noise_level":-26.370323,"freq_skew":4.686418,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":12,"dst_ref":31956,"variable_part_params":[{"name":"checksum","value":[196,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974462,"usec":329385},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836731,"noise_level":-26.226828,"freq_skew":5.962185,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974462,"usec":331465},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439850,"noise_level":-26.103188,"freq_skew":4.846251,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11876,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[176,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974463,"usec":105033},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.412508,"noise_level":-25.844021,"freq_skew":5.270540,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":418,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974463,"usec":857460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459011,"noise_level":-26.451509,"freq_skew":5.816785,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974463,"usec":867693},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574366,"noise_level":-27.013407,"freq_skew":1.137476,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":10.400001},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974464,"usec":613727},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790413,"noise_level":-26.521252,"freq_skew":1.203058,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH066M","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974466,"usec":143643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.808873,"noise_level":-25.831654,"freq_skew":5.481989,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974469,"usec":972121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126421,"noise_level":-25.948318,"freq_skew":1.308934,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974469,"usec":975006},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724775,"noise_level":-25.896788,"freq_skew":3.991995,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":109,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":2,"credit_offered":3,"credit_avail":0,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,73,84,89,0,76,174,30],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974472,"usec":242006},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518960,"noise_level":-24.982410,"freq_skew":4.640239,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11876,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[172,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974472,"usec":999968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681534,"noise_level":-24.620113,"freq_skew":3.819958,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974476,"usec":843120},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204432,"noise_level":-25.139793,"freq_skew":5.490956,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974476,"usec":846995},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125949,"noise_level":-25.077232,"freq_skew":4.341221,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":460,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974477,"usec":598801},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654595,"noise_level":-24.861752,"freq_skew":3.847005,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":113,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974477,"usec":599119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709029,"noise_level":-24.846561,"freq_skew":2.569087,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974477,"usec":600259},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429054,"noise_level":-24.831400,"freq_skew":6.000843,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974478,"usec":348176},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531896,"noise_level":-24.562904,"freq_skew":2.900698,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TSU","mode":"2","label":"_d","blk_id":"9","ack":"I","flight":"QS0535","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974479,"usec":881120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721173,"noise_level":-24.095768,"freq_skew":3.865813,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974480,"usec":621337},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436558,"noise_level":-24.689121,"freq_skew":3.827977,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974480,"usec":627831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930252,"noise_level":-24.381664,"freq_skew":5.295809,"avlc":{"src":{"addr":"4D2448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2251B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974481,"usec":435813},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141363,"noise_level":-24.281549,"freq_skew":5.343899,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJO","mode":"2","label":"_d","blk_id":"2","ack":"D","flight":"LX04ET","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974482,"usec":210252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951705,"noise_level":-23.717262,"freq_skew":4.058259,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974482,"usec":959001},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969505,"noise_level":-23.674213,"freq_skew":4.668671,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[127,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974485,"usec":245578},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873633,"noise_level":-22.579361,"freq_skew":2.250165,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974485,"usec":247150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532978,"noise_level":-22.575636,"freq_skew":4.361496,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974485,"usec":249759},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.486002,"noise_level":-22.774864,"freq_skew":2.168368,"avlc":{"src":{"addr":"8013C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974486,"usec":745440},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.397003,"noise_level":-22.389032,"freq_skew":3.720147,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36223,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[254,182,122,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974487,"usec":555759},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789906,"noise_level":-22.703878,"freq_skew":3.892555,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974487,"usec":555759},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.789906,"noise_level":-22.703878,"freq_skew":3.892555,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":308,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36252,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[18,80,112,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974490,"usec":578440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045299,"noise_level":-23.035440,"freq_skew":3.775340,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974491,"usec":357587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799416,"noise_level":-22.521227,"freq_skew":5.139143,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":303,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55217,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[210,179,230,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974492,"usec":862132},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826616,"noise_level":-22.990877,"freq_skew":4.130388,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22744220","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,80,71,84,0,75,200,144,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974492,"usec":872603},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660139,"noise_level":-23.589443,"freq_skew":4.537051,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"PC878C","msg_num":"M42","msg_num_seq":"A","msg_text":"/EDDL.TI2/024EDDLAFF8D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974493,"usec":617316},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008860,"noise_level":-23.446194,"freq_skew":4.000969,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11921,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[95,93,101,139]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":21,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974494,"usec":426345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887620,"noise_level":-23.251492,"freq_skew":4.014927,"avlc":{"src":{"addr":"44B0C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974495,"usec":173506},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.119711,"noise_level":-23.577621,"freq_skew":3.739569,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974495,"usec":183693},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.898644,"noise_level":-24.411358,"freq_skew":3.768607,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11921,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[98,178,117,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974495,"usec":195209},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288498,"noise_level":-24.254017,"freq_skew":2.221546,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH06PL","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974495,"usec":955438},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490772,"noise_level":-24.901531,"freq_skew":2.137892,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974496,"usec":697906},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580628,"noise_level":-24.750137,"freq_skew":4.648941,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"PC878C","msg_num":"M42","msg_num_seq":"A","msg_text":"/EDDL.TI2/024EDDLAFF8D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974499,"usec":749540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035707,"noise_level":-23.076290,"freq_skew":3.905380,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974500,"usec":498501},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282627,"noise_level":-22.879686,"freq_skew":4.041635,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31474,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[41,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974502,"usec":68797},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415888,"noise_level":-22.477024,"freq_skew":4.691380,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"_d","blk_id":"6","ack":"B","flight":"PC878C","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974502,"usec":69324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198868,"noise_level":-22.655008,"freq_skew":3.975355,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974505,"usec":850054},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.865795,"noise_level":-22.190809,"freq_skew":4.924297,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"_d","blk_id":"6","ack":"B","flight":"PC878C","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974508,"usec":925624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524325,"noise_level":-22.815388,"freq_skew":3.589108,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36223,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[254,182,122,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974509,"usec":677859},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.600509,"noise_level":-23.658781,"freq_skew":3.535594,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974510,"usec":462484},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560127,"noise_level":-24.231937,"freq_skew":2.835343,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"hdlc_options","value":[32,132,128]},{"name":"procedure_classes","value":[0,1]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"ETOU"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.600000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974511,"usec":211357},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.265141,"noise_level":-24.759289,"freq_skew":3.561780,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026575","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,125,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974512,"usec":725566},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910255,"noise_level":-25.215845,"freq_skew":3.653320,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974513,"usec":479160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927118,"noise_level":-24.874285,"freq_skew":5.352234,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974513,"usec":485299},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.527761,"noise_level":-24.783417,"freq_skew":3.637393,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026575","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,125,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974513,"usec":486071},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479890,"noise_level":-24.768362,"freq_skew":5.511561,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":304,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974515,"usec":34761},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246529,"noise_level":-24.186691,"freq_skew":3.570349,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974515,"usec":802257},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990868,"noise_level":-24.884789,"freq_skew":5.075748,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55192,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[109,58]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974516,"usec":548113},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.560098,"noise_level":-24.367039,"freq_skew":3.593563,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974517,"usec":314263},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-17.559826,"noise_level":-24.140255,"freq_skew":3.776857,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974518,"usec":85204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297933,"noise_level":-24.346926,"freq_skew":2.148509,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974518,"usec":815804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901569,"noise_level":-24.289806,"freq_skew":3.718829,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974518,"usec":816532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696782,"noise_level":-24.275585,"freq_skew":4.661260,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974519,"usec":602587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.727360,"noise_level":-23.738346,"freq_skew":5.349098,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974521,"usec":152009},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.592013,"noise_level":-23.182152,"freq_skew":3.352192,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUQ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH03GX","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974521,"usec":901286},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.474925,"noise_level":-22.947296,"freq_skew":3.636945,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974521,"usec":902019},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327929,"noise_level":-22.935108,"freq_skew":2.592089,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"hdlc_options","value":[32,132,128]},{"name":"procedure_classes","value":[0,1]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"ETOU"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.600000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974521,"usec":915748},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597598,"noise_level":-24.492088,"freq_skew":4.119045,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LZIB"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":13.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974522,"usec":659323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.242098,"noise_level":-24.405113,"freq_skew":3.387585,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974523,"usec":411121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300631,"noise_level":-24.466858,"freq_skew":3.235414,"avlc":{"src":{"addr":"4D253B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974523,"usec":415626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781058,"noise_level":-24.265831,"freq_skew":2.688972,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974524,"usec":189020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722718,"noise_level":-24.263428,"freq_skew":2.344777,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974524,"usec":941368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325912,"noise_level":-24.633526,"freq_skew":4.369281,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974524,"usec":941789},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.309634,"noise_level":-24.618731,"freq_skew":3.854566,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974525,"usec":696896},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411050,"noise_level":-24.019039,"freq_skew":4.053716,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974526,"usec":470712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323476,"noise_level":-24.101971,"freq_skew":2.459856,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974527,"usec":218168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543822,"noise_level":-23.895510,"freq_skew":3.991211,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974528,"usec":8652},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993616,"noise_level":-24.221619,"freq_skew":3.907264,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKI","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"FR68QL","msg_num":"S42","msg_num_seq":"A","msg_text":"0E21722062/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":17,"min":22,"sec":6}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974529,"usec":537300},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187806,"noise_level":-23.500387,"freq_skew":3.583811,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974531,"usec":822335},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844002,"noise_level":-22.460461,"freq_skew":4.158077,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974532,"usec":583842},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758463,"noise_level":-23.110748,"freq_skew":6.290432,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974534,"usec":80195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171380,"noise_level":-23.664782,"freq_skew":6.477123,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974534,"usec":91124},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448947,"noise_level":-24.447660,"freq_skew":3.038606,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEQ","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"LH0690","msg_num":"S08","msg_num_seq":"A","msg_text":"0EV172212V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":22,"sec":12}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974534,"usec":887109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750461,"noise_level":-24.401953,"freq_skew":4.150336,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974534,"usec":902159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112693,"noise_level":-24.174269,"freq_skew":3.836245,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974535,"usec":656968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779260,"noise_level":-23.884211,"freq_skew":2.899996,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974536,"usec":428331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.745804,"noise_level":-23.434210,"freq_skew":4.722176,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974537,"usec":921916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014095,"noise_level":-23.936007,"freq_skew":7.897877,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974539,"usec":437394},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.624061,"noise_level":-23.752342,"freq_skew":4.744209,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":8.900001},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974541,"usec":759119},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886200,"noise_level":-22.802734,"freq_skew":4.177311,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,82,89,82,0,72,193,40,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":104,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":6,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[124,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974543,"usec":276789},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643660,"noise_level":-23.717876,"freq_skew":4.028115,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":105,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11979,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[13,42]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974544,"usec":44958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829420,"noise_level":-23.263540,"freq_skew":4.738803,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974544,"usec":802382},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106287,"noise_level":-24.034861,"freq_skew":3.965273,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11979,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[171,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974545,"usec":564819},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876544,"noise_level":-24.627113,"freq_skew":4.082266,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":11979,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[163,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974546,"usec":314498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923837,"noise_level":-24.393530,"freq_skew":4.082465,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974547,"usec":64837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564905,"noise_level":-24.260258,"freq_skew":4.721187,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974547,"usec":68069},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568239,"noise_level":-24.809021,"freq_skew":3.927784,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7,"dst_ref":11980,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[156,79]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":224,"spdu_type":"Short Refuse","refusal":"transient","transport_connection":"release","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":1,"value_descr":"reject (permanent)"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":22,"sec":24}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"NOT AUTHORIZED NEXT DATA AUTHORITY","choice":"dM107NULL","data":{}}}]}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974547,"usec":835451},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-16.176718,"noise_level":-25.186293,"freq_skew":4.675187,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974547,"usec":843948},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812256,"noise_level":-25.254276,"freq_skew":5.307420,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55217,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[240,169,230,210]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55217,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[38,103,27,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":22,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974549,"usec":402426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881768,"noise_level":-24.507933,"freq_skew":5.269806,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974552,"usec":412820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773255,"noise_level":-23.921192,"freq_skew":4.652748,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974552,"usec":416660},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.502495,"noise_level":-23.799274,"freq_skew":4.571573,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1355,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[127,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974552,"usec":417392},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849859,"noise_level":-23.772411,"freq_skew":2.664295,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974552,"usec":417392},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.849859,"noise_level":-23.772411,"freq_skew":2.664295,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":945,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974553,"usec":195096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577901,"noise_level":-24.250004,"freq_skew":3.163085,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974554,"usec":692408},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177369,"noise_level":-23.700989,"freq_skew":4.223939,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":7,"dst_ref":11980,"variable_part_params":[{"name":"checksum","value":[45,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974557,"usec":779292},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.266334,"noise_level":-22.451906,"freq_skew":2.959057,"avlc":{"src":{"addr":"502D29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAY","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"BT1107","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974557,"usec":788167},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209118,"noise_level":-22.348846,"freq_skew":3.397717,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFM"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.600000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974558,"usec":530923},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530257,"noise_level":-23.417137,"freq_skew":3.502306,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-JTA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"TK06MG","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974558,"usec":530923},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.530257,"noise_level":-23.417137,"freq_skew":3.502306,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22725201","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,84,72,89,0,75,170,129,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974558,"usec":550996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513617,"noise_level":-23.209551,"freq_skew":3.627011,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974560,"usec":63294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821592,"noise_level":-23.641901,"freq_skew":4.685368,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974560,"usec":820294},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856711,"noise_level":-23.343254,"freq_skew":4.894024,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":777,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974561,"usec":610403},"freq":136975000,"burst_len_octets":168,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652483,"noise_level":-23.605902,"freq_skew":5.472813,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWF","mode":"2","label":"H2","blk_id":"8","ack":"!","flight":"LH02WZ","msg_num":"M73","msg_num_seq":"A","msg_text":"02E09LEIBEDDSN45243E00832517033801M560226054G QN46201E00856517103188M420218066G QN47171E00911417172496M257234060G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974565,"usec":405392},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887110,"noise_level":-23.153259,"freq_skew":4.004323,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDP","mode":"2","label":"5U","blk_id":"3","ack":"!","flight":"PC56HD","msg_num":"M72","msg_num_seq":"A","msg_text":"EDDN EDDM LOWW LHBP-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974565,"usec":423781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432404,"noise_level":-23.359783,"freq_skew":4.157091,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974566,"usec":920120},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.979703,"noise_level":-22.996624,"freq_skew":3.937338,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RDP","mode":"2","label":"_d","blk_id":"4","ack":"T","flight":"PC56HD","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974569,"usec":240440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134917,"noise_level":-22.189095,"freq_skew":4.292418,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974569,"usec":259497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.416798,"noise_level":-21.979311,"freq_skew":5.470678,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974569,"usec":260425},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.024336,"noise_level":-21.968407,"freq_skew":3.176840,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974570,"usec":752727},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.384118,"noise_level":-21.584774,"freq_skew":5.534809,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974583,"usec":448},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777074,"noise_level":-20.579498,"freq_skew":3.167411,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH0690","msg_num":"D65","msg_num_seq":"D","sublabel":"DF","msg_text":"41,007,000,001,1/N30880,0927,06,148,007,000,001,1/S35355,5984,020,003,177,04,00305,2/T35305,6000,020,N00,192,07,00308,2/X35101,N0100,000,001,001,001,000,1/X45101,N0150,007,001,001,001,000,1/S55321,6182,020,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974585,"usec":259981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720161,"noise_level":-21.991245,"freq_skew":3.950940,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974586,"usec":797095},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559987,"noise_level":-21.433273,"freq_skew":4.209110,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8,"dst_ref":25079,"variable_part_params":[{"name":"checksum","value":[191,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974591,"usec":395490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450937,"noise_level":-23.515907,"freq_skew":5.965784,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974593,"usec":652982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958575,"noise_level":-23.425322,"freq_skew":2.975869,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974597,"usec":482833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-12.425608,"noise_level":-24.348955,"freq_skew":4.265997,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974597,"usec":497128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590851,"noise_level":-24.969086,"freq_skew":6.048837,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974602,"usec":46780},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.437491,"noise_level":-24.299469,"freq_skew":3.609142,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974602,"usec":843308},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836143,"noise_level":-24.019058,"freq_skew":2.093957,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"LH06PL","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974602,"usec":850402},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.251781,"noise_level":-24.939680,"freq_skew":3.725558,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36223,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[84,131,172,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974602,"usec":856401},"freq":136975000,"burst_len_octets":52,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372713,"noise_level":-24.848127,"freq_skew":3.482694,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36223,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[170,36,147,79]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":23,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974603,"usec":606307},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748344,"noise_level":-24.667870,"freq_skew":4.211743,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974604,"usec":361158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014866,"noise_level":-24.463652,"freq_skew":3.564133,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974605,"usec":880303},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364407,"noise_level":-23.968210,"freq_skew":4.320124,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974607,"usec":391611},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165504,"noise_level":-23.346352,"freq_skew":4.386446,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4584,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974607,"usec":410221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662200,"noise_level":-23.428347,"freq_skew":2.392774,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"8","ack":"W","flight":"LH06PL","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974610,"usec":473675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482850,"noise_level":-24.331421,"freq_skew":4.126154,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974611,"usec":226982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618283,"noise_level":-24.155331,"freq_skew":7.840276,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974611,"usec":227269},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.794974,"noise_level":-24.155331,"freq_skew":2.135590,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":8,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974611,"usec":227743},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653137,"noise_level":-24.127346,"freq_skew":2.286634,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"0","ack":"B","flight":"LH06PL","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974612,"usec":13392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969000,"noise_level":-23.572678,"freq_skew":2.131622,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974613,"usec":513670},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934636,"noise_level":-22.928762,"freq_skew":3.962198,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR69CU","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974614,"usec":282243},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009117,"noise_level":-22.676899,"freq_skew":3.986134,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22140456","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974615,"usec":29943},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634799,"noise_level":-22.829319,"freq_skew":3.780166,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109A1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11846,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[168,8]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974618,"usec":104322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.301471,"noise_level":-23.186726,"freq_skew":4.243912,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974619,"usec":634425},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420710,"noise_level":-22.722965,"freq_skew":1.780604,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":354,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974621,"usec":949177},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.450250,"noise_level":-23.857574,"freq_skew":3.626735,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1128,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36223,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[165,221,196,24]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":23,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974623,"usec":466487},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.792499,"noise_level":-24.636074,"freq_skew":3.824401,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974625,"usec":750849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.292911,"noise_level":-25.633537,"freq_skew":2.611417,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974626,"usec":491150},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.493157,"noise_level":-25.518007,"freq_skew":3.672396,"avlc":{"src":{"addr":"502D7D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974626,"usec":500786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.141724,"noise_level":-25.355579,"freq_skew":3.503235,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974628,"usec":17846},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659005,"noise_level":-24.808910,"freq_skew":2.022999,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974628,"usec":27370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261285,"noise_level":-24.659109,"freq_skew":2.728330,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974629,"usec":567591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428684,"noise_level":-24.140255,"freq_skew":2.328029,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974629,"usec":571312},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684449,"noise_level":-24.875048,"freq_skew":2.093564,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINU","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH0918","msg_num":"D18","msg_num_seq":"D","sublabel":"DF","msg_text":"5,N05,161,40,11583,2/T44029,5799,006,N03,143,41,11584,2/V40087,N067,01264,00096,226,226,227,0/X42901,00150,042,019,010,044,009,1/E50867,0908,53,117,007,000,032,0/S53949,5886,004,N04,161,40,12079,2/T54010,58"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974631,"usec":106060},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138693,"noise_level":-25.508366,"freq_skew":3.277802,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974631,"usec":846154},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417081,"noise_level":-25.314030,"freq_skew":3.509071,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974631,"usec":846922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348568,"noise_level":-25.314030,"freq_skew":2.717569,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974631,"usec":848430},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762959,"noise_level":-25.250206,"freq_skew":3.663679,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":57,"dst_ref":11992,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[9,232,224,71]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974632,"usec":610932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083215,"noise_level":-27.362242,"freq_skew":1.267345,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974633,"usec":379216},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009705,"noise_level":-26.698921,"freq_skew":1.636158,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974634,"usec":897370},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757443,"noise_level":-26.044481,"freq_skew":5.269670,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4014,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11948,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[42,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":23,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974634,"usec":897903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872033,"noise_level":-26.044481,"freq_skew":2.374964,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974635,"usec":646705},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815349,"noise_level":-26.645786,"freq_skew":3.650749,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974636,"usec":441411},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369339,"noise_level":-27.470425,"freq_skew":2.102426,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":7.700000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974638,"usec":713612},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.654314,"noise_level":-27.241590,"freq_skew":5.052934,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974639,"usec":475590},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545297,"noise_level":-26.831547,"freq_skew":5.279174,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[44,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974641,"usec":767889},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746230,"noise_level":-25.281116,"freq_skew":2.132444,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINU","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH0918","msg_num":"D18","msg_num_seq":"I","sublabel":"DF","msg_text":"15062,2/1X2901,00150,N25,016,015,044,009,1/2E0884,0916,53,126,007,000,032,0/2N0883,0916,53,127,006,000,026,0/2S3854,6048,008,N03,160,40,15440,2/2T3917,5972,007,N08,142,40,15445,2/2V0130,N110,01872,00096,226"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974641,"usec":770673},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.459606,"noise_level":-26.200342,"freq_skew":5.267168,"avlc":{"src":{"addr":"4D2260","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974642,"usec":507648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642169,"noise_level":-26.112116,"freq_skew":3.991118,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNT","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH59MG","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974643,"usec":306527},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.980771,"noise_level":-26.505728,"freq_skew":3.800186,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974643,"usec":313544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162621,"noise_level":-26.932217,"freq_skew":5.158094,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974644,"usec":78607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979463,"noise_level":-27.709354,"freq_skew":3.828907,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974644,"usec":87869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053450,"noise_level":-27.521498,"freq_skew":2.126508,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974644,"usec":825434},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503626,"noise_level":-27.418863,"freq_skew":2.383248,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":7.700000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974644,"usec":831255},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898407,"noise_level":-28.074841,"freq_skew":2.298407,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32309,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[167,241,197,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974644,"usec":831255},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.898407,"noise_level":-28.074841,"freq_skew":2.298407,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32309,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[190,165,44,207]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3958229,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"DLH918","long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,101,213],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,101,213],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDF","destination_airport":"EGLL"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974645,"usec":585434},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.864849,"noise_level":-27.562107,"freq_skew":2.182074,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32309,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[27,145,192,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974646,"usec":351129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786852,"noise_level":-27.176620,"freq_skew":5.976082,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974646,"usec":366818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706037,"noise_level":-26.826561,"freq_skew":2.303712,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974647,"usec":871477},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543796,"noise_level":-25.802843,"freq_skew":2.737261,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974649,"usec":446649},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839314,"noise_level":-25.549105,"freq_skew":4.174904,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22140450","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,40,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974652,"usec":454394},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427754,"noise_level":-24.209892,"freq_skew":2.199163,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":7.700000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974653,"usec":976282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514116,"noise_level":-24.357891,"freq_skew":2.265805,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974654,"usec":738196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313226,"noise_level":-25.236464,"freq_skew":2.181102,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974655,"usec":491981},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.131709,"noise_level":-26.154613,"freq_skew":3.328266,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":639,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7768,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[56,95]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974655,"usec":496598},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160252,"noise_level":-26.084328,"freq_skew":4.089950,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974658,"usec":576194},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316272,"noise_level":-25.710867,"freq_skew":4.015703,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974659,"usec":333327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.509616,"noise_level":-25.221127,"freq_skew":4.692510,"avlc":{"src":{"addr":"4CAD29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974660,"usec":108825},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442484,"noise_level":-24.848948,"freq_skew":5.336104,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":46.700001,"lon":10.700000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974660,"usec":856471},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612401,"noise_level":-24.638987,"freq_skew":5.358726,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKP","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR07QN","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974661,"usec":601632},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855127,"noise_level":-24.233706,"freq_skew":5.679679,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6547,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11876,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[9,145]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974663,"usec":163882},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.669922,"noise_level":-23.860031,"freq_skew":4.576834,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[127,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974663,"usec":168122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094275,"noise_level":-23.819485,"freq_skew":5.454183,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974663,"usec":172605},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110460,"noise_level":-24.028362,"freq_skew":2.787516,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWN","mode":"2","label":"_d","blk_id":"7","ack":"E","flight":"LH03KA","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974664,"usec":690192},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381152,"noise_level":-23.826157,"freq_skew":4.851074,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTFJ"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":9.400001},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974664,"usec":701985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427686,"noise_level":-24.813997,"freq_skew":3.332275,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974666,"usec":196891},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364308,"noise_level":-26.129478,"freq_skew":3.424615,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":640,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974666,"usec":201257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816547,"noise_level":-25.972584,"freq_skew":4.675250,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974666,"usec":971277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758212,"noise_level":-26.171707,"freq_skew":3.730290,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974666,"usec":977394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734858,"noise_level":-26.083771,"freq_skew":4.690396,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974668,"usec":486260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.263899,"noise_level":-26.717113,"freq_skew":5.274718,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974670,"usec":41426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564260,"noise_level":-26.082113,"freq_skew":2.489338,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974670,"usec":792102},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857435,"noise_level":-25.523138,"freq_skew":3.903425,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2450,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974671,"usec":557367},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.140230,"noise_level":-25.280485,"freq_skew":4.234028,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSK","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"FR04XK","msg_num":"M53","msg_num_seq":"A","msg_text":"/LIPZ.TI2/024LIPZA5801"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974673,"usec":832577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.375636,"noise_level":-24.766161,"freq_skew":2.543413,"avlc":{"src":{"addr":"4691C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974676,"usec":109276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707813,"noise_level":-24.853621,"freq_skew":3.823613,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974678,"usec":435109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847347,"noise_level":-23.999098,"freq_skew":2.849262,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974679,"usec":200774},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476445,"noise_level":-24.458906,"freq_skew":1.058524,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILI","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH066M","msg_num":"M15","msg_num_seq":"A","msg_text":"00967234268DA33ST696EDDOTB39XTY3UE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974680,"usec":701911},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886889,"noise_level":-24.525925,"freq_skew":1.433058,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974680,"usec":710233},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235287,"noise_level":-24.424143,"freq_skew":3.898328,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974683,"usec":794699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.339661,"noise_level":-23.718563,"freq_skew":1.224868,"avlc":{"src":{"addr":"3C6589","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974684,"usec":535227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663562,"noise_level":-23.612591,"freq_skew":4.439893,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974684,"usec":554147},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748207,"noise_level":-23.870163,"freq_skew":2.201961,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974685,"usec":296998},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687679,"noise_level":-24.830515,"freq_skew":4.580822,"avlc":{"src":{"addr":"48C2AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":14,"dst_ref":31493,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[101,33]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974687,"usec":585658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216871,"noise_level":-23.643097,"freq_skew":4.353019,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974689,"usec":82395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823961,"noise_level":-23.362095,"freq_skew":2.253896,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974689,"usec":85228},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403765,"noise_level":-23.260361,"freq_skew":1.959339,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32312,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,234,221,172]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":24,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974689,"usec":860282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045216,"noise_level":-22.913389,"freq_skew":4.038065,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974694,"usec":447621},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100529,"noise_level":-22.337503,"freq_skew":1.224687,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JBF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LX02PH","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974694,"usec":472230},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759913,"noise_level":-22.113060,"freq_skew":4.481313,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":24,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11999,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[0,203,13,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":24,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974695,"usec":979269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358216,"noise_level":-21.913605,"freq_skew":4.061959,"avlc":{"src":{"addr":"4BC890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974695,"usec":989115},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109808,"noise_level":-21.795319,"freq_skew":1.083350,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JBF","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LX02PH","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974696,"usec":781266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814262,"noise_level":-21.594725,"freq_skew":3.601458,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974700,"usec":571724},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340005,"noise_level":-23.453442,"freq_skew":1.363552,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55258,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[235,203,202,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974700,"usec":580676},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.035189,"noise_level":-23.337870,"freq_skew":1.371324,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55258,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[36,134,172,54]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4921315,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"SWR2PH","long_tsap":{"rdp":[65,83,87,82,0],"short_tsap":{"ars":[75,23,227],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,67,77]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,83,87,82,0],"short_tsap":{"ars":[75,23,227],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,22,0]}}}}}}],"departure_airport":"LOWG","destination_airport":"LSZH"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974702,"usec":853278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114363,"noise_level":-24.235296,"freq_skew":1.954991,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974704,"usec":418955},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550948,"noise_level":-23.516239,"freq_skew":4.547482,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":459,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974707,"usec":452875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962226,"noise_level":-22.720583,"freq_skew":1.066186,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974708,"usec":966049},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579305,"noise_level":-23.175449,"freq_skew":2.811971,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH0690","msg_num":"D68","msg_num_seq":"J","sublabel":"DF","msg_text":"2,013,1/E00876,0922,62,139,007,000,024,0/N00874,0920,62,095,039,000,027,0/S04639,6006,016,000,156,40,07160,2/T04555,5997,007,N09,144,41,07165,2/X00901,00350,112,021,001,026,012,1/1S4579,5995,015,N00,158,40,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974708,"usec":966897},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480817,"noise_level":-24.127300,"freq_skew":1.844852,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11784,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[38,243,169,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974710,"usec":530587},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166589,"noise_level":-23.735331,"freq_skew":1.248460,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55258,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[95,107,197,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974710,"usec":530587},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.166589,"noise_level":-23.735331,"freq_skew":1.248460,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":23055,"dst_ref":55258,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[29,47,39,241]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974712,"usec":787363},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.739621,"noise_level":-23.005713,"freq_skew":4.204838,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":252,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,86]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":24,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974712,"usec":805371},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.807888,"noise_level":-22.859619,"freq_skew":3.769862,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EPKT"},{"name":"ac_location","value":{"loc":{"lat":51.500000,"lon":13.700000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974713,"usec":544587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826858,"noise_level":-22.621462,"freq_skew":3.748291,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR69CU","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974713,"usec":546440},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070555,"noise_level":-22.574604,"freq_skew":1.144179,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55258,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[95,107,197,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974714,"usec":303758},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672325,"noise_level":-22.508759,"freq_skew":3.792283,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22140456","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,46,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974714,"usec":314738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.376032,"noise_level":-22.382145,"freq_skew":4.477559,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974715,"usec":831429},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992758,"noise_level":-22.354874,"freq_skew":2.058111,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCDDD","mode":"2","label":"83","blk_id":"0","ack":"!","flight":"XA0001","msg_num":"M11","msg_num_seq":"A","msg_text":"001PR09172513N5106.4E01245.1409446 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974716,"usec":582344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184181,"noise_level":-22.271090,"freq_skew":3.846305,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974716,"usec":591599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093606,"noise_level":-22.170143,"freq_skew":3.768551,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974717,"usec":387796},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.362402,"noise_level":-22.822742,"freq_skew":3.821404,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSK","mode":"2","label":"_d","blk_id":"8","ack":"L","flight":"FR04XK","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974717,"usec":396427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.196748,"noise_level":-22.727098,"freq_skew":5.752355,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974718,"usec":901483},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304294,"noise_level":-23.315393,"freq_skew":1.287046,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55258,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[95,107,197,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974720,"usec":414412},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679783,"noise_level":-22.676287,"freq_skew":1.320022,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974720,"usec":416879},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670843,"noise_level":-22.702616,"freq_skew":3.904848,"avlc":{"src":{"addr":"3C49CC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":389,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974721,"usec":193384},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723923,"noise_level":-22.480217,"freq_skew":3.691665,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":231,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974721,"usec":195945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398088,"noise_level":-22.457134,"freq_skew":6.012309,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974722,"usec":700227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004536,"noise_level":-23.034351,"freq_skew":2.053785,"avlc":{"src":{"addr":"3CC83D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974722,"usec":703411},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.880465,"noise_level":-22.948549,"freq_skew":4.671700,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[127,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974722,"usec":706228},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.247034,"noise_level":-22.863588,"freq_skew":5.047861,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974724,"usec":271967},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550095,"noise_level":-22.439308,"freq_skew":5.187261,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974725,"usec":780209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.343929,"noise_level":-22.508434,"freq_skew":4.724205,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974726,"usec":539056},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660587,"noise_level":-22.518715,"freq_skew":2.235952,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":7.600000},"alt":9000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974726,"usec":545435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860098,"noise_level":-22.449345,"freq_skew":4.898329,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974727,"usec":290396},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971249,"noise_level":-22.099499,"freq_skew":1.071721,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":23055,"dst_ref":55258,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[29,47,39,241]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974728,"usec":68935},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.988810,"noise_level":-22.718529,"freq_skew":1.128226,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974728,"usec":815472},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361931,"noise_level":-22.612278,"freq_skew":4.418231,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[150,21]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974728,"usec":822172},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034604,"noise_level":-22.530529,"freq_skew":1.111544,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974730,"usec":378597},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852748,"noise_level":-22.092995,"freq_skew":1.432584,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,128,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974731,"usec":126615},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.282998,"noise_level":-21.928768,"freq_skew":1.192457,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55260,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,191,118,230]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":25,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974731,"usec":882511},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577503,"noise_level":-22.177567,"freq_skew":4.239838,"avlc":{"src":{"addr":"4D21EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAG","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"FR19GL","msg_num":"M82","msg_num_seq":"A","msg_text":"172524,116012,1801, 115,N 46.928 E 10.513"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974735,"usec":682221},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958736,"noise_level":-22.145823,"freq_skew":2.268909,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974736,"usec":443484},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294526,"noise_level":-23.080078,"freq_skew":4.684113,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11917,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[86,22,63,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974737,"usec":244898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854650,"noise_level":-23.171347,"freq_skew":4.544703,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974738,"usec":1527},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615777,"noise_level":-23.266903,"freq_skew":1.000977,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.300000},"alt":5000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974738,"usec":753107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737052,"noise_level":-23.530441,"freq_skew":2.139380,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974738,"usec":753389},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671409,"noise_level":-23.530441,"freq_skew":0.928712,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZJ","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH0147","msg_num":"S23","msg_num_seq":"A","msg_text":"0EV172537V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":25,"sec":37}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974740,"usec":289536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996422,"noise_level":-24.108986,"freq_skew":0.993169,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974741,"usec":802494},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633967,"noise_level":-24.266062,"freq_skew":5.135362,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4017,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[170,157]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974741,"usec":808513},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067266,"noise_level":-24.195377,"freq_skew":2.281282,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AENA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH06PL","msg_num":"D52","msg_num_seq":"H","sublabel":"DF","msg_text":"000,00000,00000,00000/T200000,00000,00000,00000,00000,00000/U100000,00000,00000,00000,00000,00000/U200000,00000,00000,00000,00000,00000/V100000,00000,00000,00000,00000,00000/V200000,00000,00000,00000,00000,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974743,"usec":305756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.857558,"noise_level":-23.531506,"freq_skew":1.153006,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974746,"usec":406147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.041957,"noise_level":-24.297729,"freq_skew":2.652647,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974752,"usec":508496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603447,"noise_level":-24.038643,"freq_skew":2.905951,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974754,"usec":765617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650910,"noise_level":-23.800247,"freq_skew":2.323882,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974758,"usec":634164},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514206,"noise_level":-25.624950,"freq_skew":4.484127,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUT","mode":"2","label":"_d","blk_id":"4","ack":"N","flight":"LH06GT","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974760,"usec":132005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.822769,"noise_level":-25.968163,"freq_skew":2.896656,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974760,"usec":138751},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825391,"noise_level":-26.672670,"freq_skew":3.678928,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974761,"usec":642200},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290557,"noise_level":-25.919758,"freq_skew":1.214666,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":344,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55260,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,191,118,230]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":25,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974767,"usec":756177},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.295710,"noise_level":-24.242247,"freq_skew":4.290924,"avlc":{"src":{"addr":"48C128","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10921A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":113,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":9,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[76,239]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974769,"usec":291441},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705950,"noise_level":-23.431902,"freq_skew":2.241957,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"LH06PL","msg_num":"D53","msg_num_seq":"E","sublabel":"DF","msg_text":"08,N479,077,233,N009,XXXX/X72943,E0108,N479,078,233,N037,XXXX/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974773,"usec":107806},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.599672,"noise_level":-24.228323,"freq_skew":4.295735,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55239,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[156,198,101,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974774,"usec":637967},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.278714,"noise_level":-23.470875,"freq_skew":1.185059,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":347,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":1,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974775,"usec":403619},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428339,"noise_level":-23.152945,"freq_skew":2.695612,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"53400463","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,174,1,54,0,174,1,51,1,1,85,76,56,48,88,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974775,"usec":410522},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.672732,"noise_level":-23.174829,"freq_skew":1.251740,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JBF","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LX02PH","msg_num":"M86","msg_num_seq":"A","msg_text":"0E21726132","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":17,"min":26,"sec":13}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974776,"usec":157593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928817,"noise_level":-22.964575,"freq_skew":2.487585,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974776,"usec":901285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.906114,"noise_level":-22.843231,"freq_skew":1.326010,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974776,"usec":915933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.441282,"noise_level":-22.699823,"freq_skew":5.369014,"avlc":{"src":{"addr":"4CAE98","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974777,"usec":658524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872930,"noise_level":-22.547092,"freq_skew":2.811826,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974777,"usec":682516},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232418,"noise_level":-22.294588,"freq_skew":1.132925,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974780,"usec":748859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.537897,"noise_level":-21.331861,"freq_skew":4.414762,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974782,"usec":276125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993694,"noise_level":-20.982227,"freq_skew":2.528802,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974784,"usec":572633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388242,"noise_level":-21.388474,"freq_skew":5.123476,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974786,"usec":104558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224814,"noise_level":-20.759537,"freq_skew":4.598222,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1359,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974786,"usec":853981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.750299,"noise_level":-20.646519,"freq_skew":4.479522,"avlc":{"src":{"addr":"4D2233","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974791,"usec":463626},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688215,"noise_level":-21.229912,"freq_skew":3.572968,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNT","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH59MG","msg_num":"M57","msg_num_seq":"A","msg_text":"00051234234*KM0MX4,4EDD(76XP-7SQR6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974793,"usec":725260},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135742,"noise_level":-22.887177,"freq_skew":1.156655,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974794,"usec":492120},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882641,"noise_level":-22.920673,"freq_skew":5.233927,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":519,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974795,"usec":265391},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368479,"noise_level":-23.023405,"freq_skew":4.306901,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11999,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[102,70,66,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974796,"usec":764783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.697997,"noise_level":-23.167500,"freq_skew":2.794179,"avlc":{"src":{"addr":"502D29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974798,"usec":336170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468159,"noise_level":-23.071148,"freq_skew":4.371029,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974800,"usec":611542},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.191494,"noise_level":-22.715771,"freq_skew":4.194728,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":281,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[13,64,200,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974802,"usec":117954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.217166,"noise_level":-23.065775,"freq_skew":4.348487,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974803,"usec":634050},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257405,"noise_level":-22.690746,"freq_skew":4.330745,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":281,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[13,64,200,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974804,"usec":430131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602543,"noise_level":-22.434092,"freq_skew":5.213443,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974804,"usec":435783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.566996,"noise_level":-22.745728,"freq_skew":4.519455,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974807,"usec":485098},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561839,"noise_level":-21.556099,"freq_skew":5.063018,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGX","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR63FF","msg_num":"M82","msg_num_seq":"A","msg_text":"172645,36001,1836, 106,N 47.857 E 11.379"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974810,"usec":524823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.138997,"noise_level":-20.790102,"freq_skew":5.283495,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974811,"usec":304166},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402717,"noise_level":-20.611208,"freq_skew":5.192021,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GEA","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"SK1655","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974812,"usec":820148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719877,"noise_level":-20.273064,"freq_skew":2.112528,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11784,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[38,243,169,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974812,"usec":847353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.507319,"noise_level":-20.470182,"freq_skew":5.105237,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974815,"usec":118225},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814215,"noise_level":-19.825369,"freq_skew":2.074491,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11784,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[68,218,11,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974815,"usec":851726},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.236865,"noise_level":-20.352705,"freq_skew":1.249913,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974815,"usec":857545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761866,"noise_level":-20.182510,"freq_skew":3.759452,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974816,"usec":626086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620210,"noise_level":-20.103039,"freq_skew":2.038685,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974816,"usec":635375},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313169,"noise_level":-20.949615,"freq_skew":0.973822,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974817,"usec":381780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757057,"noise_level":-20.815012,"freq_skew":2.186868,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH0918","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974817,"usec":394547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918120,"noise_level":-21.596498,"freq_skew":5.293893,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974819,"usec":701731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585730,"noise_level":-20.943180,"freq_skew":1.806094,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974820,"usec":450636},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831548,"noise_level":-22.497004,"freq_skew":2.154918,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH0918","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974823,"usec":495998},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439965,"noise_level":-22.480072,"freq_skew":2.242115,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH0918","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974824,"usec":300308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561834,"noise_level":-22.781498,"freq_skew":4.377237,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974826,"usec":587781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018826,"noise_level":-21.924936,"freq_skew":4.539410,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974827,"usec":338113},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372819,"noise_level":-21.626572,"freq_skew":2.270416,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH0918","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974827,"usec":340134},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712819,"noise_level":-21.595207,"freq_skew":2.045716,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":351,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11784,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,113,225,216]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":27,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974828,"usec":855462},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568344,"noise_level":-21.257435,"freq_skew":1.928189,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974828,"usec":855462},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.568344,"noise_level":-21.257435,"freq_skew":1.928189,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":352,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11852,"dst_ref":11784,"variable_part_params":[{"name":"atn_checksum","value":[67,217,201,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974829,"usec":602181},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174977,"noise_level":-21.535204,"freq_skew":4.465341,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974829,"usec":614942},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.429153,"noise_level":-21.350603,"freq_skew":4.265726,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11999,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[192,199,207,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974831,"usec":122591},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790905,"noise_level":-21.041599,"freq_skew":2.153709,"avlc":{"src":{"addr":"3C65D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINU","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"LH0918","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974832,"usec":684784},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.867678,"noise_level":-21.618782,"freq_skew":1.819825,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974834,"usec":973482},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060535,"noise_level":-21.528263,"freq_skew":6.003995,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":46.400002,"lon":11.100000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974834,"usec":976430},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107285,"noise_level":-21.497250,"freq_skew":4.580069,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55239,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[156,198,101,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974838,"usec":807682},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643394,"noise_level":-21.126400,"freq_skew":5.189357,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4018,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11948,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[170,157]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974839,"usec":570874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.782450,"noise_level":-21.464657,"freq_skew":4.892586,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974839,"usec":582412},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364074,"noise_level":-21.342148,"freq_skew":4.623629,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32296,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[224,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974840,"usec":327044},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.665880,"noise_level":-21.211353,"freq_skew":4.603098,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":456,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32296,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[220,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974840,"usec":337444},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.507856,"noise_level":-21.112061,"freq_skew":1.290062,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974841,"usec":99209},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485343,"noise_level":-20.820826,"freq_skew":5.931028,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974841,"usec":839143},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.288997,"noise_level":-20.735325,"freq_skew":4.719602,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32296,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[239,166]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974842,"usec":606070},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223055,"noise_level":-20.745476,"freq_skew":5.770189,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EBBR"},{"name":"ac_location","value":{"loc":{"lat":46.400002,"lon":11.100000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974844,"usec":112336},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.336856,"noise_level":-20.356796,"freq_skew":4.815485,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":32296,"variable_part_params":[{"name":"checksum","value":[174,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974845,"usec":684392},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463192,"noise_level":-20.824869,"freq_skew":2.404530,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974851,"usec":782183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125747,"noise_level":-19.893162,"freq_skew":3.333420,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974852,"usec":541301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298690,"noise_level":-20.704559,"freq_skew":2.723303,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974852,"usec":560195},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656475,"noise_level":-20.536634,"freq_skew":2.723146,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":946,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974853,"usec":318320},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.396328,"noise_level":-20.888027,"freq_skew":1.503770,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55260,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[222,80,148,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":27,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974858,"usec":656210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.193795,"noise_level":-22.225361,"freq_skew":3.407299,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974863,"usec":203658},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293343,"noise_level":-23.969788,"freq_skew":2.684040,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":523,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974863,"usec":964055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601237,"noise_level":-24.676943,"freq_skew":4.480797,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974864,"usec":776898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593431,"noise_level":-24.223633,"freq_skew":2.572094,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974864,"usec":780122},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.274949,"noise_level":-24.813019,"freq_skew":1.826177,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974866,"usec":301567},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.719296,"noise_level":-25.632935,"freq_skew":5.048554,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974868,"usec":568727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280334,"noise_level":-25.962746,"freq_skew":4.327461,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974869,"usec":340740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051085,"noise_level":-25.427376,"freq_skew":2.565762,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEQ","mode":"2","label":"_d","blk_id":"1","ack":"!","flight":"LH0690","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974871,"usec":592189},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082193,"noise_level":-25.023939,"freq_skew":6.175820,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974873,"usec":163815},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.862271,"noise_level":-24.095354,"freq_skew":4.491308,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXW","mode":"2","label":"_d","blk_id":"1","ack":"O","flight":"KL096U","msg_num":"M06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974876,"usec":955465},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976225,"noise_level":-23.280659,"freq_skew":1.152135,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974879,"usec":274687},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510533,"noise_level":-22.153234,"freq_skew":5.147633,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":31,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12013,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[14,10,205,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974880,"usec":785109},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126243,"noise_level":-21.836327,"freq_skew":1.218815,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JBF","mode":"2","label":"13","blk_id":"7","ack":"!","flight":"LX02PH","msg_num":"M89","msg_num_seq":"A","msg_text":"LSZH,1727,1747"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974880,"usec":798059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607459,"noise_level":-21.864143,"freq_skew":5.260896,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974880,"usec":803556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777119,"noise_level":-21.810484,"freq_skew":2.628937,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974881,"usec":546282},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428748,"noise_level":-22.525806,"freq_skew":5.229829,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12013,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[99,214,0,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974883,"usec":58473},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525513,"noise_level":-21.996260,"freq_skew":6.347299,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":11.500000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974883,"usec":70149},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159871,"noise_level":-22.742872,"freq_skew":1.309955,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974884,"usec":576533},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.179117,"noise_level":-22.245214,"freq_skew":5.001334,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974885,"usec":388000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874154,"noise_level":-21.870956,"freq_skew":4.894889,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974885,"usec":397745},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514915,"noise_level":-21.763880,"freq_skew":2.138215,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974886,"usec":140841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622307,"noise_level":-21.637108,"freq_skew":3.283411,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974886,"usec":908643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704528,"noise_level":-21.787928,"freq_skew":1.957508,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974887,"usec":665975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695324,"noise_level":-22.522821,"freq_skew":2.022333,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974893,"usec":787229},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626736,"noise_level":-21.709406,"freq_skew":6.252511,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR303F","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974894,"usec":545137},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308753,"noise_level":-21.418236,"freq_skew":6.137430,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974895,"usec":292173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.354547,"noise_level":-21.246099,"freq_skew":1.053451,"avlc":{"src":{"addr":"4B17E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974896,"usec":52267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961629,"noise_level":-20.998997,"freq_skew":6.323923,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974896,"usec":814601},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688807,"noise_level":-20.730343,"freq_skew":4.539611,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55239,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[156,198,101,179]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974901,"usec":412367},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.577379,"noise_level":-20.066742,"freq_skew":5.078112,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974904,"usec":435510},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.771406,"noise_level":-20.311232,"freq_skew":5.102096,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4019,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,76,173,227],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974906,"usec":10920},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714460,"noise_level":-20.234453,"freq_skew":5.174970,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974906,"usec":752757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927089,"noise_level":-20.988007,"freq_skew":5.224787,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974907,"usec":528162},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163187,"noise_level":-20.682020,"freq_skew":2.754789,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974907,"usec":535499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682708,"noise_level":-20.616501,"freq_skew":5.411340,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974908,"usec":281046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081542,"noise_level":-20.678499,"freq_skew":5.318461,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974909,"usec":33015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947796,"noise_level":-20.603855,"freq_skew":5.194622,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974910,"usec":553343},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925922,"noise_level":-20.434158,"freq_skew":4.044193,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2454,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11846,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[168,8]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974910,"usec":571948},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117692,"noise_level":-20.271332,"freq_skew":2.160713,"avlc":{"src":{"addr":"39BD74","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":9,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974913,"usec":625559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880048,"noise_level":-21.050964,"freq_skew":4.213573,"avlc":{"src":{"addr":"46B8B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974914,"usec":408370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.058997,"noise_level":-20.639334,"freq_skew":5.226074,"avlc":{"src":{"addr":"4CADE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974917,"usec":437298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879845,"noise_level":-21.654144,"freq_skew":2.582121,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974919,"usec":751088},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650414,"noise_level":-21.431772,"freq_skew":1.515020,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":355,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974920,"usec":500799},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.540991,"noise_level":-22.168839,"freq_skew":4.296650,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32250,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[147,19]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974922,"usec":38543},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682304,"noise_level":-21.576286,"freq_skew":2.878653,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974922,"usec":773671},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591846,"noise_level":-22.353493,"freq_skew":1.260566,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":355,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974922,"usec":774565},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.432445,"noise_level":-23.599457,"freq_skew":3.884660,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11846,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[44,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974924,"usec":296153},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.603171,"noise_level":-23.076532,"freq_skew":5.037864,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2009,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974925,"usec":811189},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989213,"noise_level":-23.101166,"freq_skew":3.260601,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974925,"usec":821758},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726707,"noise_level":-22.977913,"freq_skew":3.272521,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":12017,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[163,42,94,211]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974925,"usec":824316},"freq":136975000,"burst_len_octets":217,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953449,"noise_level":-23.603889,"freq_skew":2.294006,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWN","mode":"2","label":"H2","blk_id":"1","ack":"!","flight":"LH03KA","msg_num":"M27","msg_num_seq":"B","msg_text":"417261051M045311021G QN50563E0074531726 986M042308021G QN50539E0074231727 887M022305021G QN50509E0074051728 769M010318022G QN50490E0073681728 668P010313022G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974928,"usec":891830},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.593949,"noise_level":-23.080864,"freq_skew":3.921172,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2457,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11846,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[37,127]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":28,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974928,"usec":896134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678267,"noise_level":-23.031467,"freq_skew":4.401189,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974929,"usec":651079},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770847,"noise_level":-22.634327,"freq_skew":3.350743,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974930,"usec":408396},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945446,"noise_level":-23.208454,"freq_skew":3.408520,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974930,"usec":421539},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661694,"noise_level":-23.046593,"freq_skew":3.118684,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12017,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[250,128,66,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974930,"usec":422247},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459419,"noise_level":-23.046593,"freq_skew":3.702350,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":30,"dst_ref":11846,"variable_part_params":[{"name":"checksum","value":[247,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974931,"usec":168392},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.774949,"noise_level":-22.851439,"freq_skew":3.842592,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31474,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[30,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974931,"usec":183666},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990095,"noise_level":-22.637005,"freq_skew":3.361594,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974933,"usec":496080},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.869557,"noise_level":-21.903957,"freq_skew":3.149422,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974933,"usec":500738},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666165,"noise_level":-21.860807,"freq_skew":1.369973,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974935,"usec":25226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619550,"noise_level":-22.030766,"freq_skew":3.282444,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974935,"usec":769061},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692141,"noise_level":-22.479549,"freq_skew":3.128064,"avlc":{"src":{"addr":"4BAA81","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12017,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[80,77,116,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974936,"usec":534526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439400,"noise_level":-23.062477,"freq_skew":3.662513,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974938,"usec":40095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303739,"noise_level":-22.779877,"freq_skew":1.412155,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974939,"usec":623271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002310,"noise_level":-26.026005,"freq_skew":3.787265,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974941,"usec":133120},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865997,"noise_level":-25.941019,"freq_skew":2.470543,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH0690","msg_num":"D72","msg_num_seq":"G","sublabel":"DF","msg_text":"T94292,6183,006,N14,145,40,13337,2/X90901,00250,172,021,001,040,012,1/S04317,6196,014,N05,159,40,13848,2/T04234,6203,006,N14,144,40,13860,2/V00140,N087,02384,00096,223,201,200,0/X00901,00250,N77,021,002,040"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974943,"usec":400943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651613,"noise_level":-26.229145,"freq_skew":1.107741,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974944,"usec":914308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.797824,"noise_level":-25.446915,"freq_skew":2.436031,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974946,"usec":476358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562666,"noise_level":-24.722757,"freq_skew":5.799588,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974946,"usec":488451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619019,"noise_level":-24.603886,"freq_skew":3.836191,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974954,"usec":877621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075500,"noise_level":-21.944752,"freq_skew":2.866791,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974954,"usec":884993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365160,"noise_level":-22.032328,"freq_skew":4.955082,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974955,"usec":633075},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923564,"noise_level":-22.825441,"freq_skew":2.895966,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"B-18915","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"CI2081","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974957,"usec":924756},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.414418,"noise_level":-21.805473,"freq_skew":4.841815,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ACJJ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"ZQ1821","msg_num":"C45","msg_num_seq":"A","sublabel":"CF","msg_text":"MM1729010909ABO\n17262706 340 214\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974959,"usec":479959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362370,"noise_level":-21.276569,"freq_skew":3.174584,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974962,"usec":512053},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.844687,"noise_level":-20.641563,"freq_skew":3.147502,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":363,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12021,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[52,217,242,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974962,"usec":512053},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.844687,"noise_level":-20.641563,"freq_skew":3.147502,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":64,"dst_ref":12021,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[161,229,105,118]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974963,"usec":284004},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.820237,"noise_level":-20.401754,"freq_skew":4.607639,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974964,"usec":13528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086618,"noise_level":-20.302258,"freq_skew":3.290637,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974967,"usec":87157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.243099,"noise_level":-20.298954,"freq_skew":4.222060,"avlc":{"src":{"addr":"485873","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974971,"usec":642005},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815183,"noise_level":-20.481743,"freq_skew":4.431415,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974972,"usec":397519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712466,"noise_level":-20.348875,"freq_skew":4.615041,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974973,"usec":197588},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691476,"noise_level":-21.034918,"freq_skew":4.592226,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11917,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[206,68,167,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974980,"usec":841173},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.489128,"noise_level":-24.723503,"freq_skew":4.025663,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974981,"usec":585345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328578,"noise_level":-24.516655,"freq_skew":5.210503,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974981,"usec":585548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725637,"noise_level":-24.516655,"freq_skew":2.913508,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974982,"usec":371071},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894661,"noise_level":-24.292862,"freq_skew":2.453605,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974989,"usec":234981},"freq":136975000,"burst_len_octets":174,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.546670,"noise_level":-22.078991,"freq_skew":3.022737,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"B-18915","mode":"2","label":"80","blk_id":"5","ack":"!","flight":"CI2081","msg_num":"M05","msg_num_seq":"A","msg_text":"3N01 POSRPT 2081/01 EDDF/EGLL B-18915\r\n/POS N49576E008316/ALT 030/MCH 244/FOB 62.5\r\n/TME 1729/WND -53 15/OAT 13/TAS 159/ETA 1843"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974990,"usec":730885},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682705,"noise_level":-23.609734,"freq_skew":5.814055,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":5.600000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974994,"usec":591401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755514,"noise_level":-22.405704,"freq_skew":5.394457,"avlc":{"src":{"addr":"4CADB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974995,"usec":336301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104334,"noise_level":-22.686300,"freq_skew":5.213429,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788974996,"usec":94092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.709845,"noise_level":-23.103495,"freq_skew":5.414020,"avlc":{"src":{"addr":"4CADB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975004,"usec":496618},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532853,"noise_level":-20.678925,"freq_skew":4.472746,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":466,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975007,"usec":569747},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319073,"noise_level":-20.253773,"freq_skew":4.996361,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12013,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[14,211,143,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975015,"usec":182927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684632,"noise_level":-19.736193,"freq_skew":4.399696,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975017,"usec":465460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517827,"noise_level":-20.690708,"freq_skew":4.390463,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975018,"usec":230476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.903656,"noise_level":-21.775179,"freq_skew":2.586500,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975022,"usec":57366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044734,"noise_level":-22.440701,"freq_skew":5.255293,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975028,"usec":176922},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.154585,"noise_level":-20.890730,"freq_skew":4.686227,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":448,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975030,"usec":445913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.788287,"noise_level":-21.232712,"freq_skew":2.678031,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32277,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[86,36,251,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975032,"usec":732862},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.491801,"noise_level":-21.466145,"freq_skew":4.889709,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36274,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[218,8]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975036,"usec":561236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480005,"noise_level":-21.566496,"freq_skew":5.101444,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":522,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,33,113,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975036,"usec":577535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531614,"noise_level":-21.844925,"freq_skew":4.425003,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975038,"usec":71695},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117168,"noise_level":-21.466589,"freq_skew":5.706491,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975039,"usec":616398},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390732,"noise_level":-21.055443,"freq_skew":5.110477,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975044,"usec":187908},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494355,"noise_level":-20.158253,"freq_skew":2.410361,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":68,"dst_ref":12035,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[121,138,104,164]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975044,"usec":968765},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.478252,"noise_level":-20.843370,"freq_skew":5.151014,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12013,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[44,67,45,178]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12013,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[8,41,83,219]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":30,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975045,"usec":725103},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556614,"noise_level":-20.644653,"freq_skew":5.993151,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2817,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975047,"usec":272010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416494,"noise_level":-20.296238,"freq_skew":6.330015,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975048,"usec":792781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761188,"noise_level":-22.086382,"freq_skew":6.145834,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975048,"usec":797305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358184,"noise_level":-22.299955,"freq_skew":2.277777,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975049,"usec":550778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.686335,"noise_level":-23.730497,"freq_skew":3.780860,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975050,"usec":302822},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003107,"noise_level":-23.480556,"freq_skew":3.950684,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31474,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[11,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975051,"usec":833410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373306,"noise_level":-23.879990,"freq_skew":5.108222,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975052,"usec":579242},"freq":136975000,"burst_len_octets":103,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832316,"noise_level":-24.670044,"freq_skew":2.407027,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH0690","msg_num":"D74","msg_num_seq":"J","sublabel":"DF","msg_text":"0096,223,201,200,0/2X0901,00100,090,020,010,044,011,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975053,"usec":351349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655330,"noise_level":-25.013756,"freq_skew":2.349405,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975054,"usec":102341},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758507,"noise_level":-25.157709,"freq_skew":3.980810,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975062,"usec":551880},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756002,"noise_level":-21.864985,"freq_skew":2.689123,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975063,"usec":296466},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546416,"noise_level":-22.876553,"freq_skew":5.013464,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"9","ack":"I","flight":"LH07PC","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975064,"usec":75777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643737,"noise_level":-22.337225,"freq_skew":5.473969,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975065,"usec":586102},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208368,"noise_level":-21.797329,"freq_skew":2.205525,"avlc":{"src":{"addr":"44022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55177,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[223,220,104,122]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55177,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,248,190,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":31,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975069,"usec":414513},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976128,"noise_level":-21.080229,"freq_skew":2.194712,"avlc":{"src":{"addr":"44022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975071,"usec":685865},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.138530,"noise_level":-20.564674,"freq_skew":5.657729,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975073,"usec":206569},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.594241,"noise_level":-20.397406,"freq_skew":5.770868,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975074,"usec":761974},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351374,"noise_level":-20.960415,"freq_skew":2.146287,"avlc":{"src":{"addr":"44022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":67,"dst_ref":55177,"variable_part_params":[{"name":"atn_checksum","value":[92,139,124,158]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975077,"usec":792713},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635719,"noise_level":-21.040112,"freq_skew":5.987553,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975078,"usec":556833},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535001,"noise_level":-20.826483,"freq_skew":5.037710,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"_d","blk_id":"9","ack":"I","flight":"LH07PC","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975079,"usec":308459},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.024878,"noise_level":-20.656206,"freq_skew":5.942429,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975079,"usec":327946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.524202,"noise_level":-20.461681,"freq_skew":2.129701,"avlc":{"src":{"addr":"44022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975080,"usec":80737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452498,"noise_level":-20.307335,"freq_skew":2.579487,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975080,"usec":868782},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.470325,"noise_level":-20.024042,"freq_skew":5.401376,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":28,"dst_ref":32338,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[40,161]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975085,"usec":423952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744815,"noise_level":-19.365341,"freq_skew":5.590127,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975086,"usec":182657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498709,"noise_level":-20.515501,"freq_skew":2.808417,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975087,"usec":739429},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828167,"noise_level":-20.656712,"freq_skew":5.927411,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":7.100000},"alt":29000}},{"name":"alternate_ground_stations","value":["10902A","109CEA","10934A","10931A","1094DA","1092FA","10980A","1097BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975091,"usec":538723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244651,"noise_level":-20.659731,"freq_skew":5.834352,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975097,"usec":658674},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545140,"noise_level":-19.458004,"freq_skew":4.825566,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":523,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975101,"usec":495750},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.433097,"noise_level":-18.420794,"freq_skew":2.385021,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975102,"usec":262206},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640180,"noise_level":-18.206203,"freq_skew":5.061762,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":233,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975104,"usec":515466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608359,"noise_level":-18.597658,"freq_skew":5.207011,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975104,"usec":515942},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813761,"noise_level":-18.597658,"freq_skew":3.668466,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":11.000000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975104,"usec":529055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061442,"noise_level":-18.715332,"freq_skew":3.750293,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TP554M","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975106,"usec":45912},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160651,"noise_level":-18.650299,"freq_skew":3.737773,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNS","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"TP554M","msg_num":"S86","msg_num_seq":"A","msg_text":"0EV173142V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":31,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975107,"usec":562236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.019359,"noise_level":-18.323019,"freq_skew":4.043590,"avlc":{"src":{"addr":"4951D3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975109,"usec":134874},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542692,"noise_level":-18.115772,"freq_skew":2.902627,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975110,"usec":627330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180064,"noise_level":-17.881235,"freq_skew":2.844568,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975112,"usec":149209},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562760,"noise_level":-18.573275,"freq_skew":4.997727,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32323,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[196,11,36,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975113,"usec":671529},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735449,"noise_level":-18.624231,"freq_skew":5.765419,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVZ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"EC65TH","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975117,"usec":510769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904172,"noise_level":-19.048738,"freq_skew":3.624737,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975132,"usec":771991},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661154,"noise_level":-23.754482,"freq_skew":4.503963,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21146711","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,69,76,0,68,205,201,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975133,"usec":529374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385328,"noise_level":-24.017651,"freq_skew":2.284401,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975133,"usec":543125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848039,"noise_level":-24.711555,"freq_skew":4.719685,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975134,"usec":292896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.559891,"noise_level":-24.446688,"freq_skew":4.386153,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975136,"usec":596389},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174575,"noise_level":-24.276688,"freq_skew":3.276798,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":365,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975136,"usec":596389},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.174575,"noise_level":-24.276688,"freq_skew":3.276798,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"1","ack":"N","flight":"LH03TY","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975137,"usec":371104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081531,"noise_level":-23.779556,"freq_skew":4.669057,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975139,"usec":658480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730523,"noise_level":-22.636787,"freq_skew":3.213110,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975141,"usec":205097},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448458,"noise_level":-23.053860,"freq_skew":1.897487,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975142,"usec":714755},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360484,"noise_level":-22.585251,"freq_skew":2.025975,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975142,"usec":721409},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026248,"noise_level":-22.515350,"freq_skew":5.540597,"avlc":{"src":{"addr":"4CADB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6819,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975143,"usec":477985},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919169,"noise_level":-22.263754,"freq_skew":2.161634,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AMAY","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"X3073C","msg_num":"D30","msg_num_seq":"D","sublabel":"DF","msg_text":"0000000000000000000000000000000000000000000000000000000000000000000000000000\r\n 860010369 7780 1104 2506025021 68\r\n14165510003 333624 263033 55 -13 75405\r\n 35999263541390794 -165 -453\r\nOFFOFFAUTOAUTOCLO"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975144,"usec":987493},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.254244,"noise_level":-22.234066,"freq_skew":3.988758,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RKO","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR69CU","msg_num":"M66","msg_num_seq":"A","msg_text":"173222,M114092,1806, 80,N 51.332 E 15.258"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975145,"usec":10946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965233,"noise_level":-21.968555,"freq_skew":5.495502,"avlc":{"src":{"addr":"4CADB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975145,"usec":764935},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664691,"noise_level":-21.753332,"freq_skew":2.536498,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975147,"usec":265332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.387403,"noise_level":-21.785223,"freq_skew":3.914341,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975149,"usec":585278},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.120523,"noise_level":-22.564552,"freq_skew":4.020490,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31474,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[7,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975151,"usec":100649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679108,"noise_level":-21.945341,"freq_skew":3.229459,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975151,"usec":101437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659678,"noise_level":-22.734297,"freq_skew":1.881914,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975151,"usec":103988},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372219,"noise_level":-22.924793,"freq_skew":2.682577,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":6.400000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975151,"usec":866262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643624,"noise_level":-23.868675,"freq_skew":2.605637,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975152,"usec":627835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305458,"noise_level":-23.536127,"freq_skew":2.767550,"avlc":{"src":{"addr":"49D328","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975152,"usec":630712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668660,"noise_level":-23.497065,"freq_skew":4.320066,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975154,"usec":139822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.686232,"noise_level":-22.931259,"freq_skew":4.014841,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975158,"usec":745976},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273709,"noise_level":-21.998936,"freq_skew":4.687176,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975159,"usec":495275},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713606,"noise_level":-21.906786,"freq_skew":4.675415,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[195,36,174,43]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":32,"sec":37}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975161,"usec":805113},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.572084,"noise_level":-21.210615,"freq_skew":4.455095,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975163,"usec":329401},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613477,"noise_level":-22.697784,"freq_skew":2.300316,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":530,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975163,"usec":335324},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090322,"noise_level":-23.234928,"freq_skew":5.252194,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975164,"usec":97055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911377,"noise_level":-22.864758,"freq_skew":2.733593,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32278,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[208,10,76,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975164,"usec":840755},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921155,"noise_level":-22.620420,"freq_skew":4.561311,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975164,"usec":840755},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.921155,"noise_level":-22.620420,"freq_skew":4.561311,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975164,"usec":840755},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":2,"sig_level":-4.921155,"noise_level":-22.620420,"freq_skew":4.561311,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":7795,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[13,216,31,27]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975166,"usec":366457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830729,"noise_level":-22.129534,"freq_skew":5.198482,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975166,"usec":368950},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.738706,"noise_level":-22.107363,"freq_skew":4.840204,"avlc":{"src":{"addr":"4CADBF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IGM","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"FR776Q","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975167,"usec":892132},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774434,"noise_level":-22.362396,"freq_skew":4.757354,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":7795,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[13,216,31,27]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975168,"usec":696264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263606,"noise_level":-22.126217,"freq_skew":4.603425,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975170,"usec":981726},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777192,"noise_level":-21.754972,"freq_skew":4.496768,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":67,"dst_ref":7795,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[13,216,31,27]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975171,"usec":716218},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919326,"noise_level":-21.808731,"freq_skew":2.401111,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975173,"usec":256844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340658,"noise_level":-22.355280,"freq_skew":7.317198,"avlc":{"src":{"addr":"4D23A3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975175,"usec":568311},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853422,"noise_level":-21.891825,"freq_skew":2.950237,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"3","ack":"O","flight":"LH03TY","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975180,"usec":860114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688107,"noise_level":-20.664280,"freq_skew":2.176629,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975185,"usec":461173},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057840,"noise_level":-19.259121,"freq_skew":3.329073,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"_d","blk_id":"5","ack":"Q","flight":"LH03TY","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975186,"usec":239871},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488732,"noise_level":-19.449516,"freq_skew":4.548868,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":60,"dst_ref":36301,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[136,24,40,206]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975187,"usec":724430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741181,"noise_level":-19.974516,"freq_skew":1.932506,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975188,"usec":494304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.161656,"noise_level":-20.725033,"freq_skew":4.473213,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975190,"usec":824103},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798453,"noise_level":-20.689363,"freq_skew":2.919656,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":476,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32278,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[213,129,254,97]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32278,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[10,184,105,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":33,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975192,"usec":330511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628328,"noise_level":-20.294142,"freq_skew":2.880543,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975195,"usec":430887},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728526,"noise_level":-20.288599,"freq_skew":2.507611,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIML"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":8.300000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975199,"usec":972761},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562608,"noise_level":-19.734787,"freq_skew":3.898022,"avlc":{"src":{"addr":"3C64B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.000000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975200,"usec":729293},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047266,"noise_level":-19.543146,"freq_skew":4.517007,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBU","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"PC380U","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975205,"usec":311178},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045175,"noise_level":-19.171364,"freq_skew":2.225471,"avlc":{"src":{"addr":"44022B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LXB","mode":"2","label":"_d","blk_id":"2","ack":"N","flight":"OS144S","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975206,"usec":837506},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.502685,"noise_level":-18.854824,"freq_skew":4.925959,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,37,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975207,"usec":585961},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694812,"noise_level":-18.741371,"freq_skew":4.560071,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975207,"usec":585961},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.694812,"noise_level":-18.741371,"freq_skew":4.560071,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[243,65,199,76]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[226,246,111,201]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":33,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975208,"usec":339186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840284,"noise_level":-19.049437,"freq_skew":4.653989,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975209,"usec":146913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.701983,"noise_level":-20.288469,"freq_skew":4.876255,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55267,"credit":2,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[31,42,23,84]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975211,"usec":436987},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651017,"noise_level":-22.030697,"freq_skew":4.865426,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,154,237,101]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":33,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975212,"usec":182008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522891,"noise_level":-22.168758,"freq_skew":5.193017,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":43,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32323,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[196,11,36,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975212,"usec":934767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570682,"noise_level":-22.182997,"freq_skew":5.428355,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975216,"usec":31989},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802588,"noise_level":-21.240772,"freq_skew":4.720846,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975216,"usec":36431},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879952,"noise_level":-22.062046,"freq_skew":4.497544,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[158,218,44,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975216,"usec":779702},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484721,"noise_level":-21.952606,"freq_skew":5.449039,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975216,"usec":790345},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.736856,"noise_level":-22.997492,"freq_skew":4.815022,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,37,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975216,"usec":794055},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.475057,"noise_level":-22.936378,"freq_skew":1.989604,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975217,"usec":532220},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137713,"noise_level":-22.767513,"freq_skew":1.925124,"avlc":{"src":{"addr":"3C7439","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":354,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975219,"usec":61652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.470300,"noise_level":-23.547766,"freq_skew":4.610852,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975219,"usec":71409},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829061,"noise_level":-23.509474,"freq_skew":2.240334,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH0690","msg_num":"D76","msg_num_seq":"B","sublabel":"DF","msg_text":",02140,00919,93/E10925,0933,59,155,007,000,023,0/N10922,0929,59,128,016,000,023,0/S13889,6261,016,N05,159,41,19356,2/T13792,6254,004,N14,145,40,19374,2/V10100,N170,03088,00096,223,201,200,0/X10901,00200,245"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975219,"usec":808929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318335,"noise_level":-23.140135,"freq_skew":5.390356,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975221,"usec":338332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877714,"noise_level":-24.156017,"freq_skew":2.657032,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975222,"usec":78888},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605425,"noise_level":-25.001556,"freq_skew":2.669405,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"B-18915","mode":"2","label":"_d","blk_id":"9","ack":"V","flight":"CI2081","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975222,"usec":81447},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033268,"noise_level":-24.894081,"freq_skew":2.728799,"avlc":{"src":{"addr":"89916B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"B-18915","mode":"2","label":"_d","blk_id":"0","ack":"W","flight":"CI2081","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975222,"usec":82800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496592,"noise_level":-24.818119,"freq_skew":0.606808,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975224,"usec":402966},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664756,"noise_level":-25.874519,"freq_skew":4.871875,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2010,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975225,"usec":937751},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511459,"noise_level":-25.436762,"freq_skew":2.063164,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975227,"usec":440217},"freq":136975000,"burst_len_octets":205,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885331,"noise_level":-24.919756,"freq_skew":2.130306,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH0690","msg_num":"D76","msg_num_seq":"I","sublabel":"DF","msg_text":"14,000,024,0/2S3511,6167,015,N03,158,40,23563,2/2T3427,6165,004,N12,144,40,23574,2/2V0042,N260,03616,00096,223,201,200,0/2X0901,00150,090,020,026,044,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975227,"usec":440819},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828062,"noise_level":-24.919756,"freq_skew":4.424038,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".TC-RBU","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"PC380U","msg_num":"D20","msg_num_seq":"B","sublabel":"DF","msg_text":",00806,00370,73/E10814,0999,52,173,013,000,047,0/N10814,1000,52,174,015,000,048,0/S11741,4786,017,020,199,33,34997,2/T11760,4756,015,024,188,33,35019,2/V1-263,-533,06576,00256,231,231,233,0/X10501,00000,081"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975227,"usec":455412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.254314,"noise_level":-27.714899,"freq_skew":4.884223,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975228,"usec":205692},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305197,"noise_level":-27.424223,"freq_skew":6.170103,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR303F","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975228,"usec":208793},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810789,"noise_level":-27.342930,"freq_skew":2.347255,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975229,"usec":6491},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264796,"noise_level":-27.730806,"freq_skew":5.440268,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975229,"usec":755781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634050,"noise_level":-28.144531,"freq_skew":2.271685,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975229,"usec":769144},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033870,"noise_level":-28.060642,"freq_skew":2.709359,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32277,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[86,36,251,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975230,"usec":515517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450098,"noise_level":-27.800907,"freq_skew":5.947922,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975232,"usec":35652},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852339,"noise_level":-28.506182,"freq_skew":4.810895,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[231,179,178,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":33,"sec":49}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975232,"usec":796676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865398,"noise_level":-27.903164,"freq_skew":5.017491,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975232,"usec":799854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.331515,"noise_level":-27.838673,"freq_skew":4.591089,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975235,"usec":886263},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432911,"noise_level":-25.804899,"freq_skew":5.694567,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5931,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975235,"usec":888555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743745,"noise_level":-26.096348,"freq_skew":0.556827,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975238,"usec":913529},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060776,"noise_level":-26.301647,"freq_skew":0.457516,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975241,"usec":189335},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884478,"noise_level":-26.676390,"freq_skew":4.592560,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975243,"usec":516119},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606828,"noise_level":-27.229786,"freq_skew":5.745620,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975243,"usec":522861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866176,"noise_level":-27.110804,"freq_skew":2.018929,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975245,"usec":28009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741421,"noise_level":-27.092916,"freq_skew":4.566249,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975251,"usec":135821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766510,"noise_level":-24.943542,"freq_skew":3.829235,"avlc":{"src":{"addr":"3C64B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975253,"usec":422086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433237,"noise_level":-23.781784,"freq_skew":5.201325,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":44,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12013,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[184,194,131,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975254,"usec":189371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973406,"noise_level":-23.900364,"freq_skew":4.840157,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975256,"usec":510297},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235181,"noise_level":-22.826389,"freq_skew":5.013216,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,37,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975259,"usec":523996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.779128,"noise_level":-22.699512,"freq_skew":4.861369,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975262,"usec":567122},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.774575,"noise_level":-21.392559,"freq_skew":3.064820,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":12052,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[80,67,65,102]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975262,"usec":567473},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436180,"noise_level":-22.455938,"freq_skew":5.411613,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DBVHA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"GS0000","msg_num":"M33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975263,"usec":364081},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520286,"noise_level":-22.262199,"freq_skew":3.059742,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12052,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,4,43,28]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":34,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975264,"usec":123864},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597675,"noise_level":-22.006777,"freq_skew":3.296557,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12052,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[238,238,38,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975265,"usec":649530},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541674,"noise_level":-23.453632,"freq_skew":3.278797,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12052,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[68,187,88,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975267,"usec":161470},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988064,"noise_level":-23.357121,"freq_skew":4.893604,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975270,"usec":244273},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.367798,"noise_level":-22.310392,"freq_skew":5.021145,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975270,"usec":991584},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.217607,"noise_level":-22.153164,"freq_skew":3.702564,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2471,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":5842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106702,"noise_level":-22.020624,"freq_skew":2.573166,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":7382},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964783,"noise_level":-22.737616,"freq_skew":2.501601,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIML"},{"name":"ac_location","value":{"loc":{"lat":47.900002,"lon":8.300000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":9066},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600868,"noise_level":-22.725719,"freq_skew":2.307561,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABZE","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH03EV","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":752573},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840593,"noise_level":-23.003117,"freq_skew":4.790253,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":536,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[73,116,144,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":766039},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757328,"noise_level":-23.300919,"freq_skew":2.515267,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":452,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55251,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[28,43,233,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975271,"usec":771404},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543846,"noise_level":-23.902870,"freq_skew":2.576889,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23220023","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,32,19,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975272,"usec":508054},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864638,"noise_level":-23.862125,"freq_skew":2.653610,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975272,"usec":525460},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202103,"noise_level":-23.661222,"freq_skew":4.896219,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975272,"usec":530359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118382,"noise_level":-23.582146,"freq_skew":2.612882,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975280,"usec":140048},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.118415,"noise_level":-21.067886,"freq_skew":4.607853,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975280,"usec":915409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.802413,"noise_level":-20.711857,"freq_skew":3.856978,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975283,"usec":221171},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706650,"noise_level":-20.170177,"freq_skew":5.713004,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1625,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32338,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[223,116]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975285,"usec":496692},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281233,"noise_level":-19.621008,"freq_skew":4.737683,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55270,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[66,149,204,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":34,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975289,"usec":310904},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870237,"noise_level":-18.801144,"freq_skew":4.915990,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975290,"usec":55808},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.072496,"noise_level":-19.439760,"freq_skew":4.845706,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55270,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[31,122,88,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975295,"usec":404603},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934678,"noise_level":-18.176311,"freq_skew":2.548061,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUO","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"EW009F","msg_num":"M63","msg_num_seq":"A","msg_text":"00127234281IX,S3STWTIWWCT+LS3T(+TE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975299,"usec":238726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739208,"noise_level":-17.371466,"freq_skew":2.789615,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975307,"usec":638935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323486,"noise_level":-17.900951,"freq_skew":4.836739,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975316,"usec":22842},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823620,"noise_level":-17.357647,"freq_skew":4.977054,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[18,224,189,145]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,175,214,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":35,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975318,"usec":349172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072008,"noise_level":-18.432901,"freq_skew":2.754375,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975318,"usec":354306},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850556,"noise_level":-19.053751,"freq_skew":5.805515,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975319,"usec":93960},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849931,"noise_level":-18.983927,"freq_skew":4.601298,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[18,224,189,145]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[132,175,214,33]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":35,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975319,"usec":115406},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999743,"noise_level":-18.845942,"freq_skew":5.953801,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975319,"usec":120250},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809100,"noise_level":-19.211664,"freq_skew":4.676506,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975319,"usec":120250},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.809100,"noise_level":-19.211664,"freq_skew":4.676506,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[188,122,34,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975319,"usec":877437},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751273,"noise_level":-19.916552,"freq_skew":4.678106,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":541,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7795,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[164,211,168,193]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":35,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975320,"usec":630907},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932571,"noise_level":-19.746174,"freq_skew":5.987059,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWO","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"FR05LR","msg_num":"S22","msg_num_seq":"A","msg_text":"0E21735192/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":17,"min":35,"sec":19}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975322,"usec":143489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448411,"noise_level":-20.248697,"freq_skew":5.949419,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975322,"usec":893635},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986860,"noise_level":-20.106848,"freq_skew":4.685340,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975322,"usec":899861},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841700,"noise_level":-21.019672,"freq_skew":4.813332,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32314,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[188,122,34,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975322,"usec":899861},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.841700,"noise_level":-21.019672,"freq_skew":4.813332,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32314,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,154,225,43]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975322,"usec":903812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181660,"noise_level":-20.970970,"freq_skew":3.763041,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975324,"usec":475522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519746,"noise_level":-20.443375,"freq_skew":5.937012,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975325,"usec":989977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.122425,"noise_level":-20.024036,"freq_skew":3.972964,"avlc":{"src":{"addr":"48C12E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975326,"usec":722380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821925,"noise_level":-19.997948,"freq_skew":6.145606,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975329,"usec":7822},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666552,"noise_level":-20.355503,"freq_skew":4.836787,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":543,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7795,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[179,204,136,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975330,"usec":568816},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032274,"noise_level":-20.929340,"freq_skew":2.750834,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32277,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[6,170,161,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975331,"usec":319226},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816776,"noise_level":-21.855135,"freq_skew":3.049102,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975331,"usec":338884},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157577,"noise_level":-22.605412,"freq_skew":2.735782,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975332,"usec":88998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596279,"noise_level":-22.396896,"freq_skew":4.700540,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975332,"usec":99084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427959,"noise_level":-23.081882,"freq_skew":2.693914,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975332,"usec":842038},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.377431,"noise_level":-22.958900,"freq_skew":5.068186,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975333,"usec":611358},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.679651,"noise_level":-23.714432,"freq_skew":4.908170,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12034,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[54,75,1,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975335,"usec":132698},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951312,"noise_level":-23.799715,"freq_skew":2.312522,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55251,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[28,43,233,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975335,"usec":884795},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852304,"noise_level":-23.482706,"freq_skew":0.432212,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBC","mode":"2","label":"_d","blk_id":"6","ack":"L","flight":"LH08PC","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975336,"usec":698358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668799,"noise_level":-24.061928,"freq_skew":2.832126,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975345,"usec":837454},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318014,"noise_level":-21.845650,"freq_skew":5.878757,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2818,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975348,"usec":846824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428136,"noise_level":-21.536055,"freq_skew":6.095145,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975351,"usec":166148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007567,"noise_level":-22.018581,"freq_skew":4.896570,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975354,"usec":228843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779270,"noise_level":-22.693537,"freq_skew":0.508803,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975354,"usec":979463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040030,"noise_level":-22.471369,"freq_skew":5.415548,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975356,"usec":484558},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944989,"noise_level":-22.076414,"freq_skew":2.965658,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975358,"usec":43268},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648255,"noise_level":-22.435656,"freq_skew":2.924125,"avlc":{"src":{"addr":"3C4B4B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975363,"usec":375033},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586354,"noise_level":-24.944263,"freq_skew":1.990903,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..70102","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XA0000","msg_num":"M40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975364,"usec":189717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.227345,"noise_level":-25.023457,"freq_skew":3.683610,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"7","ack":"D","flight":"AZ0165","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975365,"usec":687478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539413,"noise_level":-24.526825,"freq_skew":1.826343,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975365,"usec":701938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688143,"noise_level":-26.061829,"freq_skew":5.947256,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975366,"usec":447494},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736079,"noise_level":-25.899103,"freq_skew":5.908244,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":506,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975367,"usec":971381},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654448,"noise_level":-25.323509,"freq_skew":5.551568,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1629,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975369,"usec":464651},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809162,"noise_level":-25.025566,"freq_skew":2.284738,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEQ","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH0690","msg_num":"D77","msg_num_seq":"E","sublabel":"DF","msg_text":"1,00100,N80,022,036,044,010,1/S73346,6131,014,N02,158,40,25138,2/T73266,6125,004,N10,145,40,25159,2/X70901,00000,N55,022,038,044,011,1/S83248,6115,014,N03,157,40,25943,2/T83156,6102,003,N11,145,40,25961,2/V"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975370,"usec":240106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513245,"noise_level":-24.976723,"freq_skew":1.936712,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":44,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975370,"usec":250604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606048,"noise_level":-25.176773,"freq_skew":0.468986,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975372,"usec":556143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427190,"noise_level":-25.493162,"freq_skew":5.548753,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975376,"usec":338230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709301,"noise_level":-24.791243,"freq_skew":2.155748,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975382,"usec":478612},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178836,"noise_level":-22.076134,"freq_skew":5.065901,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006261","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,177,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975384,"usec":782412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707887,"noise_level":-21.489662,"freq_skew":5.243612,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975384,"usec":797001},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508199,"noise_level":-21.326233,"freq_skew":4.728825,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975387,"usec":809333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959157,"noise_level":-21.138218,"freq_skew":5.339397,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975388,"usec":578838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899321,"noise_level":-20.942398,"freq_skew":5.310049,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":406,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975388,"usec":588430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507990,"noise_level":-21.361504,"freq_skew":2.568824,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975389,"usec":346436},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903474,"noise_level":-21.478584,"freq_skew":5.294237,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975393,"usec":954475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049969,"noise_level":-21.141434,"freq_skew":5.358778,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975394,"usec":683451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562283,"noise_level":-20.984367,"freq_skew":3.563276,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975397,"usec":761663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016746,"noise_level":-20.703249,"freq_skew":5.211638,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975397,"usec":774393},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560505,"noise_level":-20.590956,"freq_skew":5.890366,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":7.900000},"alt":20000}},{"name":"alternate_ground_stations","value":["10902A","10930A","10980A","10956A","109CEA","10934A","10931A","1094DA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975398,"usec":525620},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562193,"noise_level":-20.754211,"freq_skew":3.587929,"avlc":{"src":{"addr":"4D240C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975398,"usec":537751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999737,"noise_level":-20.641260,"freq_skew":4.461549,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":545,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975399,"usec":282842},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113191,"noise_level":-20.523499,"freq_skew":2.738482,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975400,"usec":66686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331549,"noise_level":-21.305292,"freq_skew":0.724865,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975401,"usec":556097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355478,"noise_level":-22.608778,"freq_skew":2.561792,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975402,"usec":330551},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811365,"noise_level":-22.411640,"freq_skew":5.368185,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":234,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975404,"usec":650817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538520,"noise_level":-21.570818,"freq_skew":5.199189,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975409,"usec":190136},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796453,"noise_level":-20.626802,"freq_skew":5.653671,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH007A","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975409,"usec":204147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855078,"noise_level":-20.451204,"freq_skew":4.987536,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975412,"usec":287242},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627030,"noise_level":-20.854828,"freq_skew":5.947847,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH007A","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975416,"usec":70332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.109769,"noise_level":-21.018827,"freq_skew":5.030503,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975423,"usec":697174},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437814,"noise_level":-18.829147,"freq_skew":2.627937,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH07JV","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975423,"usec":706678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.927608,"noise_level":-19.905178,"freq_skew":5.750860,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975426,"usec":5088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.995687,"noise_level":-20.234940,"freq_skew":4.476072,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975426,"usec":770900},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845199,"noise_level":-21.234699,"freq_skew":4.446420,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975429,"usec":802090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.065303,"noise_level":-20.305019,"freq_skew":5.094504,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975430,"usec":575239},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.599308,"noise_level":-20.034225,"freq_skew":4.799037,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":9.000000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975434,"usec":405079},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.965128,"noise_level":-20.567894,"freq_skew":5.369940,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975434,"usec":421113},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809193,"noise_level":-20.762814,"freq_skew":3.697789,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":6.000000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975437,"usec":429418},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650311,"noise_level":-20.433445,"freq_skew":2.035236,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12064,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[231,41,201,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":37,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975437,"usec":433411},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009611,"noise_level":-21.037384,"freq_skew":4.826260,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUN","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH02QR","msg_num":"M26","msg_num_seq":"A","msg_text":"00020234267,+8XWO4E49QQ S),YY2B,2E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975439,"usec":747078},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485066,"noise_level":-21.105614,"freq_skew":2.087341,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12064,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,214,201,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975439,"usec":747241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648242,"noise_level":-21.105614,"freq_skew":2.347178,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975439,"usec":748371},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528360,"noise_level":-21.506308,"freq_skew":5.431273,"avlc":{"src":{"addr":"3C6745","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":7.300000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975440,"usec":512514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866795,"noise_level":-21.383213,"freq_skew":3.335201,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975440,"usec":520307},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647184,"noise_level":-21.644533,"freq_skew":2.650582,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":481,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975441,"usec":268756},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531704,"noise_level":-21.519478,"freq_skew":4.751369,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"_d","blk_id":"3","ack":"!","flight":"LH073H","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975442,"usec":782701},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.677977,"noise_level":-21.127838,"freq_skew":2.210682,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12064,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[92,214,201,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975442,"usec":783467},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053842,"noise_level":-21.393633,"freq_skew":4.510586,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":546,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7795,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[124,218,104,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975443,"usec":553549},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.759960,"noise_level":-21.063463,"freq_skew":1.722343,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975444,"usec":291425},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298400,"noise_level":-20.946447,"freq_skew":4.889254,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"_d","blk_id":"3","ack":"!","flight":"LH073H","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975444,"usec":301960},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.679983,"noise_level":-20.745388,"freq_skew":1.893997,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975445,"usec":62190},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123143,"noise_level":-20.669998,"freq_skew":4.538397,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975446,"usec":620895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.416689,"noise_level":-20.159855,"freq_skew":1.577934,"avlc":{"src":{"addr":"4CA216","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975448,"usec":895633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536152,"noise_level":-20.647377,"freq_skew":3.658427,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975450,"usec":413696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158603,"noise_level":-21.286297,"freq_skew":5.534984,"avlc":{"src":{"addr":"3C6745","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975450,"usec":421673},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626598,"noise_level":-21.206089,"freq_skew":5.368975,"avlc":{"src":{"addr":"3C6745","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZE","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LH044K","msg_num":"S52","msg_num_seq":"A","msg_text":"0EV173727V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":37,"sec":27}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975453,"usec":490857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067837,"noise_level":-21.320784,"freq_skew":5.583296,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975453,"usec":492014},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713968,"noise_level":-22.017757,"freq_skew":5.870570,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWO","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR05LR","msg_num":"M90","msg_num_seq":"A","msg_text":"173731,,1846, 141,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975453,"usec":508930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.232229,"noise_level":-21.854931,"freq_skew":1.616847,"avlc":{"src":{"addr":"3C55C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975453,"usec":509415},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076196,"noise_level":-21.854931,"freq_skew":3.811099,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"AZ0165","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975458,"usec":45032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909094,"noise_level":-20.817251,"freq_skew":6.146316,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975462,"usec":655564},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644441,"noise_level":-19.720396,"freq_skew":2.159083,"avlc":{"src":{"addr":"3C64B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":538,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975463,"usec":397093},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786279,"noise_level":-20.653214,"freq_skew":4.439771,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBU","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC380U","msg_num":"M53","msg_num_seq":"A","msg_text":"PC380U/09SEP26 17:37:36,34976,1950, 170,N 48.678 E 11.255"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975463,"usec":400989},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.820056,"noise_level":-21.487772,"freq_skew":5.443303,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975468,"usec":766068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.720147,"noise_level":-21.687105,"freq_skew":4.851084,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975468,"usec":766726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559942,"noise_level":-21.687105,"freq_skew":6.145311,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975472,"usec":595389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101960,"noise_level":-22.947771,"freq_skew":4.698832,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975472,"usec":606651},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498836,"noise_level":-22.814644,"freq_skew":5.794779,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRW","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH007A","msg_num":"M91","msg_num_seq":"A","msg_text":"00234234277N7AAT696D,,ZB3EO5BO-LV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975474,"usec":884385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539765,"noise_level":-23.930092,"freq_skew":2.704769,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975474,"usec":885263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639377,"noise_level":-25.144215,"freq_skew":5.761880,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975477,"usec":918905},"freq":136975000,"burst_len_octets":96,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862535,"noise_level":-24.845760,"freq_skew":4.414938,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SNI","mode":"2","label":"27","blk_id":"0","ack":"!","flight":"SN03WD","msg_num":"M71","msg_num_seq":"A","msg_text":"LIPE,ELLX,LSZH,LIMC,\r\nN 49.272,E 6.397,34508,SN3183"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975479,"usec":462270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132182,"noise_level":-24.344576,"freq_skew":4.547722,"avlc":{"src":{"addr":"44CDC9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975482,"usec":497735},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171022,"noise_level":-22.933111,"freq_skew":5.104351,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-KCL","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"CV0515","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975484,"usec":770896},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468616,"noise_level":-22.934725,"freq_skew":1.706632,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32364,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[175,88,168,173]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32364,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[1,251,119,250]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":38,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975490,"usec":885983},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955783,"noise_level":-21.304609,"freq_skew":5.150857,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975491,"usec":656195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.822885,"noise_level":-21.951778,"freq_skew":1.981933,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975493,"usec":217977},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.267158,"noise_level":-21.835522,"freq_skew":1.788526,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32364,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[243,18,14,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":38,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975493,"usec":965014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389943,"noise_level":-21.655003,"freq_skew":5.071938,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975494,"usec":719620},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428967,"noise_level":-22.522034,"freq_skew":2.364319,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975495,"usec":486211},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074300,"noise_level":-22.425877,"freq_skew":1.897391,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32364,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[5,37,218,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975497,"usec":760081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.030116,"noise_level":-22.139885,"freq_skew":5.060920,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975499,"usec":330278},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424428,"noise_level":-21.497480,"freq_skew":0.689050,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBC","mode":"2","label":"_d","blk_id":"1","ack":"M","flight":"LH08PC","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975500,"usec":78382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.183996,"noise_level":-21.690968,"freq_skew":3.548884,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975500,"usec":839949},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784647,"noise_level":-21.268730,"freq_skew":5.463446,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32367,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[74,235]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975503,"usec":111141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.989320,"noise_level":-21.007959,"freq_skew":1.821125,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975503,"usec":114356},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113204,"noise_level":-20.920609,"freq_skew":3.488392,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975515,"usec":346863},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.934809,"noise_level":-18.578676,"freq_skew":3.361708,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975517,"usec":619610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790183,"noise_level":-20.226633,"freq_skew":5.282448,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975522,"usec":220622},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728855,"noise_level":-21.593716,"freq_skew":3.553646,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"3","ack":"G","flight":"AZ0165","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975526,"usec":22294},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777122,"noise_level":-23.536386,"freq_skew":3.814759,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"4","ack":"H","flight":"AZ0165","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975527,"usec":581412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.805145,"noise_level":-24.235039,"freq_skew":2.202389,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975529,"usec":850807},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.263529,"noise_level":-23.246792,"freq_skew":5.035914,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12034,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[54,75,1,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975530,"usec":599280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687000,"noise_level":-23.022499,"freq_skew":5.768903,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975532,"usec":909876},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856482,"noise_level":-22.926998,"freq_skew":3.743585,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"5","ack":"I","flight":"AZ0165","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975532,"usec":912928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866046,"noise_level":-22.818184,"freq_skew":4.603874,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975533,"usec":689851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181740,"noise_level":-22.476549,"freq_skew":0.808554,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975535,"usec":957820},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022435,"noise_level":-22.719584,"freq_skew":3.887433,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"5","ack":"I","flight":"AZ0165","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975539,"usec":781274},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.138285,"noise_level":-21.348740,"freq_skew":4.793191,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55270,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[16,70,185,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975540,"usec":560778},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800796,"noise_level":-20.942440,"freq_skew":3.885651,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"6","ack":"J","flight":"AZ0165","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975547,"usec":418045},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.423982,"noise_level":-20.658215,"freq_skew":4.762918,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975547,"usec":425872},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918504,"noise_level":-20.592871,"freq_skew":3.791740,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HXH","mode":"2","label":"_d","blk_id":"6","ack":"J","flight":"AZ0165","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975547,"usec":427469},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910178,"noise_level":-20.910234,"freq_skew":5.493660,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5030,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32367,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[143,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975548,"usec":183181},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556057,"noise_level":-20.760620,"freq_skew":5.434507,"avlc":{"src":{"addr":"3C6745","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":375,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975548,"usec":197498},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180252,"noise_level":-21.442051,"freq_skew":5.416991,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32367,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,49]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":39,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975548,"usec":943144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180070,"noise_level":-21.309753,"freq_skew":5.016910,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975549,"usec":702486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159984,"noise_level":-21.517956,"freq_skew":5.016623,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975549,"usec":704626},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296058,"noise_level":-21.497292,"freq_skew":2.411053,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975549,"usec":711081},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.534062,"noise_level":-21.435589,"freq_skew":3.913249,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":277,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975551,"usec":985970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.507980,"noise_level":-20.930498,"freq_skew":5.569226,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975551,"usec":990982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.408956,"noise_level":-20.891911,"freq_skew":3.998263,"avlc":{"src":{"addr":"48CB15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975552,"usec":773408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.885294,"noise_level":-20.815247,"freq_skew":1.629832,"avlc":{"src":{"addr":"501D21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975552,"usec":792297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790179,"noise_level":-20.645187,"freq_skew":5.523561,"avlc":{"src":{"addr":"3C6745","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975553,"usec":532867},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299197,"noise_level":-20.634842,"freq_skew":5.896976,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32387,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[238,55]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975555,"usec":827422},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337625,"noise_level":-20.376694,"freq_skew":5.482521,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975558,"usec":104187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.490675,"noise_level":-19.704887,"freq_skew":5.583738,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975559,"usec":657548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377523,"noise_level":-19.417505,"freq_skew":4.936666,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975560,"usec":403981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.787246,"noise_level":-19.312548,"freq_skew":5.348605,"avlc":{"src":{"addr":"440CB1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975560,"usec":413699},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932628,"noise_level":-19.216776,"freq_skew":6.022611,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975561,"usec":938177},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.440091,"noise_level":-19.198015,"freq_skew":5.008600,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975561,"usec":945944},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557877,"noise_level":-19.142750,"freq_skew":6.029654,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2181,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32387,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[51,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975563,"usec":435965},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568271,"noise_level":-18.925148,"freq_skew":5.897987,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":11,"dst_ref":32389,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[157,99]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975564,"usec":200683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167549,"noise_level":-19.098436,"freq_skew":6.051985,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975565,"usec":710340},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.330128,"noise_level":-19.324501,"freq_skew":5.407219,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121143","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,99,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975566,"usec":513851},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285335,"noise_level":-19.665449,"freq_skew":5.348938,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR74VJ","msg_num":"S59","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975566,"usec":520995},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.256277,"noise_level":-20.478518,"freq_skew":2.794354,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"RKSM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975567,"usec":294379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.573223,"noise_level":-20.463829,"freq_skew":5.242685,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975568,"usec":41540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435774,"noise_level":-20.327469,"freq_skew":5.321421,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975568,"usec":797405},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.403870,"noise_level":-20.890825,"freq_skew":5.043969,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISI","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"LH002F","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975568,"usec":799328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813791,"noise_level":-20.871599,"freq_skew":5.863078,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975568,"usec":804485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194252,"noise_level":-20.833271,"freq_skew":2.533327,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975568,"usec":811596},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101137,"noise_level":-20.766603,"freq_skew":5.641819,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975570,"usec":306134},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730398,"noise_level":-21.111389,"freq_skew":5.984225,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32389,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[41,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975571,"usec":64827},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880422,"noise_level":-21.591103,"freq_skew":1.947326,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWP","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH050B","msg_num":"M93","msg_num_seq":"A","msg_text":"00153267716KI)N:RUB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975572,"usec":631010},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589490,"noise_level":-21.006180,"freq_skew":5.603109,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32367,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[132,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975573,"usec":385737},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.793562,"noise_level":-20.997507,"freq_skew":4.933096,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":134,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975574,"usec":920208},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.217717,"noise_level":-21.931753,"freq_skew":1.759646,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWP","mode":"2","label":"_d","blk_id":"1","ack":"C","flight":"LH050B","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975581,"usec":27720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722650,"noise_level":-20.892542,"freq_skew":5.867934,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975581,"usec":777164},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527285,"noise_level":-20.739876,"freq_skew":5.490109,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":2}},{"name":"dst_airport","value":"LIMF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":5.200000},"alt":91000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975582,"usec":532063},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659768,"noise_level":-21.787556,"freq_skew":5.386836,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXL","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR07CW","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975584,"usec":64725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972023,"noise_level":-21.199667,"freq_skew":5.642526,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975587,"usec":892142},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642047,"noise_level":-20.981741,"freq_skew":2.808506,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975587,"usec":902246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541846,"noise_level":-20.894650,"freq_skew":4.768356,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975589,"usec":402873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.427985,"noise_level":-20.453508,"freq_skew":6.131557,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975593,"usec":220947},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690073,"noise_level":-19.810892,"freq_skew":5.519613,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5034,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32367,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[128,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975597,"usec":48419},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059221,"noise_level":-19.934458,"freq_skew":5.414356,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975597,"usec":813594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254736,"noise_level":-20.234850,"freq_skew":5.379026,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975597,"usec":817509},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202072,"noise_level":-20.199226,"freq_skew":4.838408,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55267,"credit":2,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[211,121,135,142]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55267,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[150,38,111,97]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":39,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975598,"usec":546063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045588,"noise_level":-20.154903,"freq_skew":5.492350,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975598,"usec":552524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751358,"noise_level":-19.971170,"freq_skew":2.542629,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975600,"usec":112003},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763174,"noise_level":-19.723669,"freq_skew":2.678895,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975600,"usec":122123},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908571,"noise_level":-19.639935,"freq_skew":0.930048,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975600,"usec":871264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876528,"noise_level":-19.458508,"freq_skew":5.994247,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975602,"usec":389863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.761981,"noise_level":-21.254848,"freq_skew":5.795148,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975603,"usec":154331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641549,"noise_level":-21.743204,"freq_skew":5.492777,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975603,"usec":929577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482718,"noise_level":-22.211548,"freq_skew":5.669634,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975604,"usec":676483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282600,"noise_level":-22.885128,"freq_skew":4.817067,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975604,"usec":682191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477744,"noise_level":-23.467308,"freq_skew":2.533431,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975605,"usec":419755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709926,"noise_level":-23.124577,"freq_skew":5.615394,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975606,"usec":187877},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745776,"noise_level":-22.977066,"freq_skew":5.369367,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5037,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32367,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[124,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975610,"usec":44083},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694483,"noise_level":-22.047720,"freq_skew":0.964625,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221703","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,88,73,0,77,35,195,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975614,"usec":635021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921483,"noise_level":-22.169395,"freq_skew":2.709718,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975614,"usec":641620},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928451,"noise_level":-22.102747,"freq_skew":4.692982,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975616,"usec":159292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259149,"noise_level":-21.765495,"freq_skew":5.827681,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975616,"usec":911530},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851847,"noise_level":-21.586409,"freq_skew":4.905558,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975617,"usec":679252},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329573,"noise_level":-21.269054,"freq_skew":4.974923,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12034,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[239,163,151,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975618,"usec":424590},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837972,"noise_level":-21.109686,"freq_skew":0.797450,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-CXG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XR67FR","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975622,"usec":251653},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.127916,"noise_level":-20.392220,"freq_skew":3.692248,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":117,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":5,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,73,84,89,0,76,174,30],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975622,"usec":257523},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.416823,"noise_level":-20.346905,"freq_skew":5.947331,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975623,"usec":8151},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.043802,"noise_level":-20.151684,"freq_skew":6.103152,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"2","ack":"W","flight":"LH03FT","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975623,"usec":773279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953012,"noise_level":-19.942095,"freq_skew":5.629178,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975623,"usec":783504},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005489,"noise_level":-20.344936,"freq_skew":0.837375,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975626,"usec":42099},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873174,"noise_level":-20.770847,"freq_skew":3.770479,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975626,"usec":57073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874234,"noise_level":-22.284767,"freq_skew":5.548836,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975626,"usec":63001},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615232,"noise_level":-22.217234,"freq_skew":5.779310,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975626,"usec":63001},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.615232,"noise_level":-22.217234,"freq_skew":5.779310,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975627,"usec":607823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160278,"noise_level":-22.501141,"freq_skew":4.962736,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975629,"usec":127573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209420,"noise_level":-22.071720,"freq_skew":3.678774,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975629,"usec":144107},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.638875,"noise_level":-22.270111,"freq_skew":5.872522,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"3","ack":"A","flight":"LH03FT","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975629,"usec":145644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.966969,"noise_level":-22.247580,"freq_skew":4.955871,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975635,"usec":256485},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157222,"noise_level":-21.716959,"freq_skew":0.858767,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":517,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32325,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[70,80,164,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975636,"usec":442},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.227958,"noise_level":-22.610210,"freq_skew":5.991385,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975636,"usec":761869},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652431,"noise_level":-23.192270,"freq_skew":0.781949,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975636,"usec":764984},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176396,"noise_level":-23.117331,"freq_skew":4.026714,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975637,"usec":512514},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481587,"noise_level":-23.030710,"freq_skew":5.646091,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[192,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975637,"usec":517442},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749577,"noise_level":-23.238171,"freq_skew":5.121885,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975637,"usec":527223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636916,"noise_level":-23.945137,"freq_skew":3.913443,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975637,"usec":534318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812235,"noise_level":-23.849899,"freq_skew":5.729964,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975638,"usec":277610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598648,"noise_level":-23.715639,"freq_skew":5.838496,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975642,"usec":121510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650239,"noise_level":-22.004049,"freq_skew":5.871345,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975642,"usec":872027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796571,"noise_level":-23.557961,"freq_skew":5.897481,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAB","mode":"2","label":"_d","blk_id":"3","ack":"A","flight":"DE4244","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975644,"usec":393435},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972574,"noise_level":-23.089920,"freq_skew":4.712373,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH073H","msg_num":"122","msg_num_seq":"A","sublabel":"T1","msg_text":"T-B0D(00A7ECCZNJ7U/EDDF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975644,"usec":404617},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658222,"noise_level":-23.829094,"freq_skew":5.685182,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,70,71,0,60,100,34,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975645,"usec":147469},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019158,"noise_level":-23.708450,"freq_skew":4.879324,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975645,"usec":890169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318467,"noise_level":-23.369057,"freq_skew":5.038922,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975646,"usec":674954},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204909,"noise_level":-22.907850,"freq_skew":4.701547,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975647,"usec":467883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137502,"noise_level":-23.085617,"freq_skew":4.892073,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"LH073H","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975648,"usec":213110},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886640,"noise_level":-22.841267,"freq_skew":4.567384,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221137","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,95,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975648,"usec":216222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.478316,"noise_level":-22.745420,"freq_skew":4.975797,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975648,"usec":973236},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243946,"noise_level":-22.662415,"freq_skew":4.772588,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDR","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR34UG","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975649,"usec":733734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944795,"noise_level":-22.418051,"freq_skew":4.737831,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975649,"usec":741299},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520046,"noise_level":-22.349476,"freq_skew":5.348907,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6056,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11848,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[187,223]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975650,"usec":490929},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.276179,"noise_level":-21.884043,"freq_skew":4.716042,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975651,"usec":259179},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837803,"noise_level":-21.755520,"freq_skew":5.947608,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAB","mode":"2","label":"_d","blk_id":"4","ack":"B","flight":"DE4244","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975651,"usec":264987},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372570,"noise_level":-21.723680,"freq_skew":5.829377,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"LH03FT","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975652,"usec":756733},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008206,"noise_level":-22.288809,"freq_skew":4.911942,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,68,76,72,0,60,100,175,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975655,"usec":868722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148953,"noise_level":-22.085741,"freq_skew":4.779279,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975655,"usec":869111},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784225,"noise_level":-22.212687,"freq_skew":4.840774,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55270,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[235,253,211,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":40,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975657,"usec":356442},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431690,"noise_level":-21.882847,"freq_skew":2.059001,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":45,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975657,"usec":361122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338744,"noise_level":-22.590635,"freq_skew":4.757618,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975674,"usec":187946},"freq":136975000,"burst_len_octets":175,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219945,"noise_level":-18.362616,"freq_skew":5.138123,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","unknown_proto":{"data":[68,0,174,5,214,145,96,96,164,16,133,73,29,116,170,1,15,65,117,1,80,23,130,200,31,6,66,159,50,60,153,31,132,147,192,71,184,186,34,116,11,132,10,14,139,38,73,165,46,124,145,26,62,160,40,124,3,107,81,244,244,23,58,219,1,117,65,1,165,100,73,51,164,199,146,67,71,212,4,123,11,148,38,0,193,68,64,166,242,156,250,208,98,73,66,99,234,2,135,64,54,183,160,185,164,92,12,92,168,8,137,35,199,106,193,188,149,178,62,160,34,224,92,212,28,6,49,105,4,51,146,185,199,208,4,184,23,58,148,1,144,72,192,239,36,180,209,244,4,5,250,220,64,67,61,152,10]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975674,"usec":947866},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485111,"noise_level":-18.212847,"freq_skew":5.176807,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975677,"usec":976878},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314609,"noise_level":-17.526546,"freq_skew":4.960382,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975677,"usec":976878},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.314609,"noise_level":-17.526546,"freq_skew":4.960382,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975680,"usec":276948},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413477,"noise_level":-16.963682,"freq_skew":5.308060,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975684,"usec":110550},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521755,"noise_level":-17.644327,"freq_skew":5.467915,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.200000},"alt":19000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975687,"usec":119092},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.705791,"noise_level":-18.802391,"freq_skew":2.674067,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975687,"usec":121604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895373,"noise_level":-18.779718,"freq_skew":5.680014,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975687,"usec":140253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592158,"noise_level":-18.874165,"freq_skew":5.821081,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975688,"usec":690849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.690280,"noise_level":-19.381903,"freq_skew":3.806347,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975690,"usec":222117},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747152,"noise_level":-18.901957,"freq_skew":5.413121,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5041,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975693,"usec":237432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.984852,"noise_level":-18.806808,"freq_skew":2.708359,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975694,"usec":798952},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.712046,"noise_level":-18.414532,"freq_skew":2.432629,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":21,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975696,"usec":329458},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087085,"noise_level":-18.658102,"freq_skew":6.075594,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975697,"usec":70835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.461708,"noise_level":-19.450720,"freq_skew":2.638130,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975705,"usec":483596},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704063,"noise_level":-17.689499,"freq_skew":5.128027,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.500000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975710,"usec":821429},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.620103,"noise_level":-17.478867,"freq_skew":5.243362,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBG","mode":"2","label":"32","blk_id":"9","ack":"!","flight":"SN04GV","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975711,"usec":591709},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931908,"noise_level":-17.248041,"freq_skew":4.630725,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975711,"usec":591709},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.931908,"noise_level":-17.248041,"freq_skew":4.630725,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975716,"usec":169714},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882610,"noise_level":-17.888201,"freq_skew":4.073290,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH05AA","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975716,"usec":169714},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.882610,"noise_level":-17.888201,"freq_skew":4.073290,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062730","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,216,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975716,"usec":171191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831460,"noise_level":-17.888201,"freq_skew":4.646286,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975718,"usec":450834},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985279,"noise_level":-18.678040,"freq_skew":3.537343,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJM","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH1145","msg_num":"M58","msg_num_seq":"A","msg_text":"00037209275QRL)MG MS4133U19Q13AVV8QQ321 3+6++1D:U:D5X"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975719,"usec":964354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830831,"noise_level":-18.319996,"freq_skew":3.449523,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975722,"usec":302437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727583,"noise_level":-18.524759,"freq_skew":4.490071,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975725,"usec":319858},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949450,"noise_level":-19.533033,"freq_skew":5.051504,"avlc":{"src":{"addr":"44CC47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32393,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[113,251,171,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975725,"usec":338061},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527366,"noise_level":-19.445589,"freq_skew":4.420390,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32353,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[203,55,7,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975725,"usec":344008},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563413,"noise_level":-19.781235,"freq_skew":4.474227,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32353,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[43,204,30,4]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975726,"usec":87459},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590384,"noise_level":-19.638424,"freq_skew":4.611873,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":56,"dst_ref":32353,"variable_part_params":[{"name":"atn_checksum","value":[196,108,96,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975726,"usec":838351},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.336241,"noise_level":-20.615425,"freq_skew":4.416193,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5505,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11906,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[125,244]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975727,"usec":601483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.045923,"noise_level":-20.349159,"freq_skew":4.632100,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975728,"usec":414831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595377,"noise_level":-20.826038,"freq_skew":4.481306,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975730,"usec":687546},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915195,"noise_level":-21.294968,"freq_skew":4.875782,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975732,"usec":950189},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.631610,"noise_level":-21.140152,"freq_skew":0.727084,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975733,"usec":710846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757089,"noise_level":-20.857567,"freq_skew":0.745645,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975735,"usec":286683},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093398,"noise_level":-21.100590,"freq_skew":5.440223,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12091,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[181,128,213,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975736,"usec":47510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163844,"noise_level":-21.531013,"freq_skew":5.086683,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975736,"usec":48490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.218009,"noise_level":-21.520660,"freq_skew":6.737123,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975736,"usec":787107},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827225,"noise_level":-21.479366,"freq_skew":4.006665,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":566,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":69,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[108,149]},{"name":"atn_checksum","value":[28,207,119,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975736,"usec":796952},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.435168,"noise_level":-21.387167,"freq_skew":4.841549,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12091,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[41,32,208,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975736,"usec":800343},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170581,"noise_level":-21.356649,"freq_skew":5.209025,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":54,"dst_ref":12091,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[233,212,71,168]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975738,"usec":311841},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109526,"noise_level":-20.920967,"freq_skew":5.243758,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975738,"usec":323394},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638981,"noise_level":-20.984137,"freq_skew":5.804362,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAB","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"DE4244","msg_num":"M66","msg_num_seq":"A","msg_text":"00000200 00OEDDB,,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975739,"usec":78581},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658681,"noise_level":-21.829487,"freq_skew":4.698231,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36301,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[128,200,27,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975739,"usec":824748},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.958694,"noise_level":-21.691771,"freq_skew":5.728416,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975739,"usec":835569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767519,"noise_level":-21.576447,"freq_skew":2.395968,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975740,"usec":587379},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.339153,"noise_level":-21.360447,"freq_skew":2.762446,"avlc":{"src":{"addr":"4D2013","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":482,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975742,"usec":899647},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313784,"noise_level":-21.061342,"freq_skew":5.003379,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975745,"usec":183151},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821808,"noise_level":-21.172218,"freq_skew":0.647410,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062103","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,67,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975745,"usec":943962},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881707,"noise_level":-21.513424,"freq_skew":0.812314,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975748,"usec":249941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225672,"noise_level":-21.661184,"freq_skew":4.940810,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975750,"usec":536617},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898523,"noise_level":-20.800800,"freq_skew":0.646656,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":519,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975752,"usec":814602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222921,"noise_level":-21.937449,"freq_skew":0.766793,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975752,"usec":820747},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.023875,"noise_level":-22.905817,"freq_skew":5.397773,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6058,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11848,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[187,223]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975753,"usec":563477},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.259281,"noise_level":-22.761381,"freq_skew":5.587982,"avlc":{"src":{"addr":"4BCE0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975757,"usec":400665},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.010555,"noise_level":-22.205877,"freq_skew":4.999777,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISL","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH05TY","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975758,"usec":174898},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218549,"noise_level":-21.779804,"freq_skew":5.003595,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975758,"usec":914864},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901566,"noise_level":-21.716070,"freq_skew":4.906243,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975759,"usec":687200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.699168,"noise_level":-21.770363,"freq_skew":5.245665,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975761,"usec":947855},"freq":136975000,"burst_len_octets":125,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.061808,"noise_level":-21.868996,"freq_skew":4.980901,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,68,76,72,0,60,102,108,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":150,"segment_offset":0,"pdu_total_len":105},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12092,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[94,150,202,168]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":42,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975761,"usec":954463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.870438,"noise_level":-21.815304,"freq_skew":4.940480,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975765,"usec":50804},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678173,"noise_level":-20.854115,"freq_skew":5.027712,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975765,"usec":791631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407038,"noise_level":-20.806330,"freq_skew":4.727624,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975766,"usec":566519},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971305,"noise_level":-21.035042,"freq_skew":5.229012,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6059,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975767,"usec":323139},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210510,"noise_level":-20.969826,"freq_skew":5.028243,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975768,"usec":115013},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.106737,"noise_level":-20.815804,"freq_skew":5.161942,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12092,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[75,82,208,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975768,"usec":863493},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796519,"noise_level":-22.255825,"freq_skew":5.166855,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975769,"usec":636730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223267,"noise_level":-22.381649,"freq_skew":4.919943,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12092,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[245,235,53,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975770,"usec":397678},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530548,"noise_level":-22.148134,"freq_skew":5.261093,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975771,"usec":139521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.330235,"noise_level":-21.895998,"freq_skew":4.982274,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975771,"usec":910617},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802186,"noise_level":-21.703653,"freq_skew":5.329808,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975774,"usec":179604},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789482,"noise_level":-21.854860,"freq_skew":5.451689,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRW","mode":"2","label":"_d","blk_id":"5","ack":"O","flight":"LH007A","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975774,"usec":954579},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.312128,"noise_level":-22.566746,"freq_skew":5.242882,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[158,117]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975776,"usec":494402},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069009,"noise_level":-22.234678,"freq_skew":5.827870,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975778,"usec":16724},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934870,"noise_level":-22.514124,"freq_skew":4.708797,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"LIPR"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":9.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975780,"usec":292756},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234749,"noise_level":-21.828444,"freq_skew":4.393549,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975781,"usec":50105},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636150,"noise_level":-21.648071,"freq_skew":4.942097,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":140,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55270,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,53,173,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975782,"usec":603303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899774,"noise_level":-21.168041,"freq_skew":3.598231,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975782,"usec":607349},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727766,"noise_level":-21.039820,"freq_skew":4.390737,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5507,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11906,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[86,172]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":43,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975783,"usec":368918},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747681,"noise_level":-20.932787,"freq_skew":4.547954,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11917,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[121,221,12,84]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11917,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[70,104,70,50]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":43,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975784,"usec":121720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742954,"noise_level":-20.741491,"freq_skew":3.538800,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975784,"usec":138710},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165061,"noise_level":-20.610050,"freq_skew":4.363668,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975785,"usec":647591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.271326,"noise_level":-20.236176,"freq_skew":4.394754,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975786,"usec":424086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.458426,"noise_level":-21.029806,"freq_skew":4.215308,"avlc":{"src":{"addr":"461A85","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975790,"usec":250725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446857,"noise_level":-20.059271,"freq_skew":4.712048,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975791,"usec":751702},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.078359,"noise_level":-20.291206,"freq_skew":7.165679,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":372,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975797,"usec":890354},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297726,"noise_level":-19.712172,"freq_skew":4.570980,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975800,"usec":162347},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086168,"noise_level":-19.143026,"freq_skew":5.467445,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6060,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":309,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[13,237]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975800,"usec":914889},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830388,"noise_level":-18.948475,"freq_skew":2.473030,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975803,"usec":218433},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.680334,"noise_level":-20.813093,"freq_skew":4.438691,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36301,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[23,34,2,245]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975803,"usec":992069},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693381,"noise_level":-20.550041,"freq_skew":4.320665,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5511,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11906,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[68,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":43,"sec":21}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975807,"usec":17893},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062106,"noise_level":-20.539944,"freq_skew":4.403515,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11906,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[235,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975810,"usec":88403},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511559,"noise_level":-19.822264,"freq_skew":5.419856,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5045,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7811,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[99,30]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975810,"usec":89309},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190790,"noise_level":-20.210285,"freq_skew":2.621579,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975810,"usec":862802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864626,"noise_level":-19.947340,"freq_skew":2.652711,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975812,"usec":364025},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314953,"noise_level":-19.716604,"freq_skew":0.818895,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975816,"usec":962746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223404,"noise_level":-19.662308,"freq_skew":5.265191,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975820,"usec":769118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.404944,"noise_level":-19.422857,"freq_skew":2.426877,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975821,"usec":518425},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.098382,"noise_level":-19.712305,"freq_skew":2.588477,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BT0334","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975822,"usec":280501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.023722,"noise_level":-19.570616,"freq_skew":2.556727,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975824,"usec":617165},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784791,"noise_level":-18.887247,"freq_skew":6.764984,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":5.000000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975825,"usec":364528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062194,"noise_level":-18.758301,"freq_skew":2.618655,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"BT0334","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975826,"usec":883332},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924823,"noise_level":-20.250055,"freq_skew":3.929332,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":568,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[108,124]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975827,"usec":647875},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.431808,"noise_level":-19.977253,"freq_skew":6.845660,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[229,79,130,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975831,"usec":469440},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598481,"noise_level":-21.772888,"freq_skew":4.833144,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[227,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975831,"usec":493102},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.124629,"noise_level":-21.572803,"freq_skew":6.827415,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[229,79,130,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975834,"usec":522102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.765591,"noise_level":-20.654905,"freq_skew":4.760707,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975836,"usec":89548},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755606,"noise_level":-21.947554,"freq_skew":0.733215,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32325,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[10,80,156,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975837,"usec":579426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.173617,"noise_level":-23.568754,"freq_skew":5.975298,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBZ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR5325","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975839,"usec":102935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479700,"noise_level":-23.993942,"freq_skew":5.846940,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975839,"usec":856437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702642,"noise_level":-24.072472,"freq_skew":4.449916,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975840,"usec":634260},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641831,"noise_level":-23.745060,"freq_skew":0.607152,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":520,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32325,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[10,80,156,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975840,"usec":636115},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679975,"noise_level":-24.137428,"freq_skew":5.449862,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975840,"usec":637753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750457,"noise_level":-24.123451,"freq_skew":6.078964,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975841,"usec":391158},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.014389,"noise_level":-23.862116,"freq_skew":6.861240,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[229,79,130,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975842,"usec":145719},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433746,"noise_level":-23.595266,"freq_skew":2.114238,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..70102","mode":"2","label":"20","blk_id":"7","ack":"!","flight":"XA0000","msg_num":"M41","msg_num_seq":"A","msg_text":"POSN50124E008454,,174400,033,OU420 ,000338,,P10,27612,17,167"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975842,"usec":941033},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391070,"noise_level":-23.413231,"freq_skew":4.718768,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":141,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55270,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,53,173,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975843,"usec":702514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380579,"noise_level":-24.259258,"freq_skew":5.861276,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975845,"usec":222756},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093423,"noise_level":-24.148243,"freq_skew":5.151253,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6061,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11848,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[187,223]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975847,"usec":508369},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501981,"noise_level":-25.070065,"freq_skew":2.238332,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975849,"usec":12675},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.677663,"noise_level":-25.312778,"freq_skew":3.601761,"avlc":{"src":{"addr":"4ACA73","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975850,"usec":587504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729642,"noise_level":-25.314426,"freq_skew":4.689506,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975852,"usec":87253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201817,"noise_level":-25.307892,"freq_skew":4.344679,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975854,"usec":372216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845665,"noise_level":-25.185913,"freq_skew":5.397521,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975854,"usec":386800},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556751,"noise_level":-25.976965,"freq_skew":0.830870,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975858,"usec":199773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916059,"noise_level":-24.995808,"freq_skew":5.444079,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975858,"usec":984822},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068991,"noise_level":-25.372616,"freq_skew":5.435496,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975859,"usec":735807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685674,"noise_level":-26.316500,"freq_skew":4.953244,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975859,"usec":743311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867189,"noise_level":-26.173885,"freq_skew":2.731553,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975865,"usec":75510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383009,"noise_level":-23.698328,"freq_skew":2.516255,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975865,"usec":80919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.453725,"noise_level":-23.527168,"freq_skew":6.921843,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975865,"usec":845041},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.542311,"noise_level":-23.308319,"freq_skew":6.917966,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[59,28,180,53]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975867,"usec":371985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987094,"noise_level":-22.507372,"freq_skew":2.266135,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975874,"usec":986196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769320,"noise_level":-20.245712,"freq_skew":5.694768,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975875,"usec":750480},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467607,"noise_level":-20.684595,"freq_skew":5.854485,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975878,"usec":75428},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697746,"noise_level":-20.006859,"freq_skew":3.492843,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":695,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975879,"usec":570706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.825007,"noise_level":-20.151402,"freq_skew":4.812407,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975881,"usec":103106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543389,"noise_level":-19.603378,"freq_skew":3.624301,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975882,"usec":625091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808012,"noise_level":-20.003290,"freq_skew":3.573729,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975886,"usec":449424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.798526,"noise_level":-19.719383,"freq_skew":4.350556,"avlc":{"src":{"addr":"300554","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975887,"usec":201057},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.001780,"noise_level":-19.536308,"freq_skew":2.256829,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975887,"usec":976708},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.384693,"noise_level":-19.197166,"freq_skew":0.742109,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975888,"usec":730082},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938600,"noise_level":-20.150988,"freq_skew":0.799966,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975889,"usec":479287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650837,"noise_level":-21.981859,"freq_skew":0.891478,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975891,"usec":59153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959899,"noise_level":-23.102940,"freq_skew":5.087110,"avlc":{"src":{"addr":"3C6657","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975892,"usec":553383},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554790,"noise_level":-22.631744,"freq_skew":5.330198,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5893,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12011,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[108,158]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975893,"usec":326754},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395055,"noise_level":-22.297230,"freq_skew":3.937046,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975893,"usec":332135},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.808707,"noise_level":-22.229597,"freq_skew":6.879186,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975894,"usec":88085},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270738,"noise_level":-22.395588,"freq_skew":6.042398,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"_d","blk_id":"6","ack":"S","flight":"SN02LG","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975894,"usec":828743},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842058,"noise_level":-22.158516,"freq_skew":0.825289,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975896,"usec":369653},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753913,"noise_level":-21.770100,"freq_skew":4.787222,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36301,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[43,183,15,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975897,"usec":912815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.703332,"noise_level":-21.456352,"freq_skew":2.244969,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975900,"usec":959513},"freq":136975000,"burst_len_octets":27,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564177,"noise_level":-20.439718,"freq_skew":2.665504,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975904,"usec":26270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924016,"noise_level":-20.140148,"freq_skew":5.321892,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975904,"usec":791786},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559618,"noise_level":-20.441454,"freq_skew":4.718961,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":491,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975904,"usec":794777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.870327,"noise_level":-21.330988,"freq_skew":2.414983,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975907,"usec":73092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.378892,"noise_level":-20.724918,"freq_skew":2.614498,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975907,"usec":75832},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051068,"noise_level":-20.696638,"freq_skew":4.476432,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975907,"usec":833104},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.740365,"noise_level":-20.482828,"freq_skew":5.474481,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6064,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11848,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,217]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":45,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975909,"usec":337476},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.357376,"noise_level":-20.259981,"freq_skew":5.419478,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6065,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11848,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[246,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975909,"usec":348584},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586359,"noise_level":-20.162086,"freq_skew":4.657944,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11906,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[134,227]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975912,"usec":422167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.559768,"noise_level":-21.341742,"freq_skew":2.527238,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975914,"usec":696706},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604851,"noise_level":-20.566437,"freq_skew":4.718966,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[223,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975915,"usec":453131},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837481,"noise_level":-20.795908,"freq_skew":4.602448,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32402,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[253,43]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":45,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975916,"usec":966504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751919,"noise_level":-20.566866,"freq_skew":4.613720,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975919,"usec":288224},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.491082,"noise_level":-20.639074,"freq_skew":5.570478,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4089,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975924,"usec":643579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.242276,"noise_level":-22.525911,"freq_skew":6.768322,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSV","mode":"2","label":"_d","blk_id":"5","ack":"P","flight":"SN08RD","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975927,"usec":681838},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814900,"noise_level":-23.101154,"freq_skew":6.241514,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"35","blk_id":"8","ack":"!","flight":"SN02LG","msg_num":"M99","msg_num_seq":"A","msg_text":"MPL/SN2618/Z,SN2617"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975931,"usec":511120},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.429023,"noise_level":-21.865211,"freq_skew":3.486772,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":8.800000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975932,"usec":273741},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.988713,"noise_level":-21.558456,"freq_skew":3.388504,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIM","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"SK0609","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975932,"usec":279623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114454,"noise_level":-22.783627,"freq_skew":5.371483,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975933,"usec":26019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759674,"noise_level":-24.127148,"freq_skew":6.064670,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975933,"usec":31023},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.435571,"noise_level":-24.820795,"freq_skew":3.875903,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":574,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":5,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975934,"usec":554583},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.313797,"noise_level":-24.249876,"freq_skew":4.738062,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36263,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[12,215]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975935,"usec":309883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731163,"noise_level":-23.740864,"freq_skew":3.924620,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975936,"usec":70218},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739463,"noise_level":-23.634621,"freq_skew":3.269776,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-SIM","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"SK0609","msg_num":"S33","msg_num_seq":"A","msg_text":"0EV174530V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":45,"sec":30}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975936,"usec":81146},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139447,"noise_level":-24.488857,"freq_skew":4.692483,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975936,"usec":833959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.689736,"noise_level":-24.221411,"freq_skew":2.500517,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975936,"usec":838971},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.841936,"noise_level":-24.151087,"freq_skew":3.462714,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975937,"usec":622355},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641742,"noise_level":-24.871605,"freq_skew":3.458275,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":143,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11901,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[30,43,153,24]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11901,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[136,196,13,251]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":45,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975937,"usec":625559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687690,"noise_level":-25.525133,"freq_skew":5.296567,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975938,"usec":398451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529508,"noise_level":-25.780346,"freq_skew":4.703613,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975942,"usec":167676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952358,"noise_level":-24.782413,"freq_skew":3.211227,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975945,"usec":265461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.418307,"noise_level":-23.379080,"freq_skew":3.336227,"avlc":{"src":{"addr":"502D28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975947,"usec":552463},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.857373,"noise_level":-23.441713,"freq_skew":4.223333,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975950,"usec":608614},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489849,"noise_level":-22.465887,"freq_skew":3.183515,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":144,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":11901,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,48,124,217]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":45,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975952,"usec":910046},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633327,"noise_level":-22.800684,"freq_skew":7.159277,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[144,232,230,223]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32407,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,232,220,44]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":45,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975952,"usec":910590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.416615,"noise_level":-22.788704,"freq_skew":5.258990,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975954,"usec":400449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813004,"noise_level":-22.545734,"freq_skew":6.961624,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975954,"usec":428513},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774891,"noise_level":-22.270676,"freq_skew":6.011992,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"_d","blk_id":"0","ack":"U","flight":"SN02LG","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975955,"usec":924293},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074155,"noise_level":-22.112740,"freq_skew":5.229528,"avlc":{"src":{"addr":"3C65A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975956,"usec":701338},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881039,"noise_level":-21.638496,"freq_skew":3.989763,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":0,"dst_ref":12089,"variable_part_params":[{"name":"checksum","value":[183,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975957,"usec":432605},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593541,"noise_level":-21.638496,"freq_skew":2.026224,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":46,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975957,"usec":437870},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283559,"noise_level":-22.410326,"freq_skew":4.903559,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36263,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[12,215]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975958,"usec":236040},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767315,"noise_level":-22.195196,"freq_skew":6.934677,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975959,"usec":6868},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022884,"noise_level":-21.823042,"freq_skew":6.919240,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32407,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[4,136,225,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975959,"usec":763132},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.312295,"noise_level":-21.777782,"freq_skew":5.098613,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":30,"dst_ref":11848,"variable_part_params":[{"name":"checksum","value":[235,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975959,"usec":767240},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024734,"noise_level":-21.692926,"freq_skew":6.939597,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSV","mode":"2","label":"30","blk_id":"6","ack":"!","flight":"SN08RD","msg_num":"M98","msg_num_seq":"A","msg_text":"SN3160,LIMC,EBBR,09,Z,Y,SN3159"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975960,"usec":521562},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.723643,"noise_level":-21.739857,"freq_skew":5.414536,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":309,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[171,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975961,"usec":282276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.689499,"noise_level":-21.509468,"freq_skew":6.926148,"avlc":{"src":{"addr":"44CE76","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975961,"usec":288935},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161443,"noise_level":-21.583387,"freq_skew":6.150830,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":391,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975964,"usec":351239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.812078,"noise_level":-20.645693,"freq_skew":4.885991,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975967,"usec":390735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655953,"noise_level":-20.723534,"freq_skew":2.739359,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975967,"usec":408348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.455903,"noise_level":-20.573784,"freq_skew":2.459469,"avlc":{"src":{"addr":"51118A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975970,"usec":446853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.446649,"noise_level":-20.827120,"freq_skew":4.519722,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975972,"usec":770812},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966677,"noise_level":-21.318001,"freq_skew":4.066798,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":11.300000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975975,"usec":25666},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.394512,"noise_level":-20.788567,"freq_skew":2.205473,"avlc":{"src":{"addr":"51118A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBG","mode":"2","label":"_d","blk_id":"9","ack":"L","flight":"DI04ND","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975975,"usec":773567},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742446,"noise_level":-20.572510,"freq_skew":2.154325,"avlc":{"src":{"addr":"51118A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBG","mode":"2","label":"_d","blk_id":"0","ack":"M","flight":"DI04ND","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975977,"usec":305625},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.395617,"noise_level":-20.734974,"freq_skew":5.281163,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6073,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[167,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975978,"usec":883420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.295250,"noise_level":-20.141287,"freq_skew":2.474901,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975979,"usec":618390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789191,"noise_level":-20.088478,"freq_skew":6.351864,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975979,"usec":637505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093451,"noise_level":-19.923332,"freq_skew":5.451868,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975979,"usec":638956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290880,"noise_level":-19.906132,"freq_skew":5.354672,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975981,"usec":149180},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.458575,"noise_level":-22.196678,"freq_skew":1.921547,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.300000},"alt":26000}},{"name":"alternate_ground_stations","value":["10981A","1090BA","109B5A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975982,"usec":646850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639498,"noise_level":-21.749771,"freq_skew":3.133092,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975982,"usec":648239},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803277,"noise_level":-22.817005,"freq_skew":5.281293,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DBVHA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"GS0000","msg_num":"M34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975982,"usec":648464},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507049,"noise_level":-22.805002,"freq_skew":3.279593,"avlc":{"src":{"addr":"3C64B0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.600000},"alt":1000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975984,"usec":236532},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691181,"noise_level":-24.683067,"freq_skew":3.282627,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH07MN","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975984,"usec":970931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928031,"noise_level":-25.360830,"freq_skew":5.323865,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975987,"usec":252297},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644168,"noise_level":-25.159172,"freq_skew":3.185713,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975989,"usec":518832},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879693,"noise_level":-24.251797,"freq_skew":4.225095,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":9.000000},"alt":11000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975990,"usec":277858},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776257,"noise_level":-24.167183,"freq_skew":4.159611,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":11.300000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975991,"usec":90927},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.220121,"noise_level":-24.320574,"freq_skew":5.101955,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["10902A","10943A","1092FA","10930A","10934A","1098FA","109CEA","10956A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975991,"usec":91988},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907863,"noise_level":-24.306301,"freq_skew":4.189987,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975991,"usec":857744},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854364,"noise_level":-24.242283,"freq_skew":5.389750,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12011,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[121,128]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975992,"usec":596508},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937409,"noise_level":-24.438097,"freq_skew":4.181865,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975992,"usec":612893},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.187550,"noise_level":-24.635212,"freq_skew":1.848869,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EQN","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"EK02MJ","msg_num":"F68","msg_num_seq":"A","sublabel":"M2","msg_text":"POSN47446E010209,KPT,174630,261,SIXWA,174857,RAVED,M29,23660,212788D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975994,"usec":118203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680279,"noise_level":-24.173740,"freq_skew":5.167617,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975994,"usec":891572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873290,"noise_level":-24.080763,"freq_skew":1.719845,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975995,"usec":638385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254886,"noise_level":-24.068645,"freq_skew":5.037708,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788975997,"usec":908857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774060,"noise_level":-23.110561,"freq_skew":4.886626,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976004,"usec":60964},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513195,"noise_level":-22.660742,"freq_skew":5.924006,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976004,"usec":70422},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028815,"noise_level":-22.566854,"freq_skew":6.382609,"avlc":{"src":{"addr":"44001B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"OS217N","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976004,"usec":74732},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848227,"noise_level":-22.520290,"freq_skew":6.405528,"avlc":{"src":{"addr":"44001B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000033","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,85,65,0,68,0,27,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976004,"usec":838312},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261495,"noise_level":-22.212341,"freq_skew":4.116263,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.000000},"alt":3000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976005,"usec":582624},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634304,"noise_level":-23.342537,"freq_skew":6.134437,"avlc":{"src":{"addr":"44001B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBO","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"OS217N","msg_num":"S74","msg_num_seq":"A","msg_text":"0EV174642V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":46,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976007,"usec":101757},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032165,"noise_level":-25.220993,"freq_skew":6.246766,"avlc":{"src":{"addr":"44001B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976007,"usec":858812},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285392,"noise_level":-24.894478,"freq_skew":4.303043,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976008,"usec":625121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689599,"noise_level":-25.267155,"freq_skew":4.535624,"avlc":{"src":{"addr":"3C308F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976009,"usec":379619},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760572,"noise_level":-25.495100,"freq_skew":4.385646,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NAZ","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"IB07DD","msg_num":"F29","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,115/TS174648,090926F24A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976011,"usec":710335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269515,"noise_level":-24.177626,"freq_skew":3.981975,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976013,"usec":231862},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.960684,"noise_level":-23.600378,"freq_skew":4.157382,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH05AA","msg_num":"M12","msg_num_seq":"A","msg_text":"00095209261G:4VP0DKV+((V+80,(O,+MY11WW+F40RKE4-J+9(K+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976013,"usec":982574},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247738,"noise_level":-23.783230,"freq_skew":4.336147,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976017,"usec":17537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.406810,"noise_level":-23.225204,"freq_skew":1.458383,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976017,"usec":19308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764370,"noise_level":-23.200058,"freq_skew":3.536267,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976020,"usec":852557},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528955,"noise_level":-23.251307,"freq_skew":5.276329,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5897,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976020,"usec":853732},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329922,"noise_level":-23.620956,"freq_skew":5.661181,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAB","mode":"2","label":"_d","blk_id":"9","ack":"G","flight":"DE4244","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976022,"usec":375218},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731586,"noise_level":-23.522865,"freq_skew":3.370132,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":493,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976023,"usec":118782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441391,"noise_level":-24.018538,"freq_skew":4.215081,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976026,"usec":970072},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439681,"noise_level":-22.568790,"freq_skew":4.637390,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976027,"usec":717897},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854979,"noise_level":-22.281708,"freq_skew":6.408402,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":10.700000},"alt":23000}},{"name":"alternate_ground_stations","value":["10911A","1098FA","10935A","10910A","109CBA","10943A","10953A","109B5A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976029,"usec":244526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598178,"noise_level":-21.745148,"freq_skew":5.663707,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976030,"usec":745570},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387338,"noise_level":-21.942467,"freq_skew":3.917757,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":11.700000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976030,"usec":749865},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478057,"noise_level":-21.909941,"freq_skew":4.727046,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55270,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[142,193,14,22]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":47,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976031,"usec":552245},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902684,"noise_level":-22.329969,"freq_skew":2.457719,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH08NP","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976031,"usec":554745},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776916,"noise_level":-22.307281,"freq_skew":4.687980,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":54,"dst_ref":55270,"variable_part_params":[{"name":"atn_checksum","value":[96,83,71,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976032,"usec":304233},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.438760,"noise_level":-22.061556,"freq_skew":4.186598,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976034,"usec":589746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688780,"noise_level":-21.232405,"freq_skew":6.310705,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH03FT","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976034,"usec":598507},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673369,"noise_level":-21.152691,"freq_skew":6.005238,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH03FT","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976035,"usec":340647},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.921086,"noise_level":-21.034473,"freq_skew":4.068114,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976036,"usec":110868},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874080,"noise_level":-21.636623,"freq_skew":3.845035,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976038,"usec":427409},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523911,"noise_level":-20.990223,"freq_skew":4.952719,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[151,118]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976038,"usec":427704},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679170,"noise_level":-20.990223,"freq_skew":3.667510,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":11.700000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976039,"usec":933634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050827,"noise_level":-22.107101,"freq_skew":3.753381,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976039,"usec":935567},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.630950,"noise_level":-22.084988,"freq_skew":4.831937,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3875,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36263,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[0,144]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":47,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976041,"usec":470702},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047819,"noise_level":-21.395338,"freq_skew":3.701715,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976042,"usec":219714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.286434,"noise_level":-21.233656,"freq_skew":4.653940,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976043,"usec":740924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991754,"noise_level":-20.828665,"freq_skew":4.130190,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976046,"usec":55361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022831,"noise_level":-20.087233,"freq_skew":3.923549,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976048,"usec":323832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809546,"noise_level":-20.364077,"freq_skew":5.696922,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976050,"usec":618327},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103168,"noise_level":-20.301903,"freq_skew":4.599667,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RBU","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"PC380U","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976051,"usec":377794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168517,"noise_level":-20.425318,"freq_skew":4.083758,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976051,"usec":381663},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898011,"noise_level":-20.370758,"freq_skew":4.750334,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976052,"usec":920982},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130275,"noise_level":-20.549328,"freq_skew":0.796497,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976052,"usec":924703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820706,"noise_level":-21.315565,"freq_skew":4.599277,"avlc":{"src":{"addr":"4BC855","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976053,"usec":692336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.611621,"noise_level":-21.311502,"freq_skew":6.596642,"avlc":{"src":{"addr":"4D2351","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976054,"usec":460865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.490241,"noise_level":-21.754623,"freq_skew":6.610836,"avlc":{"src":{"addr":"4D2351","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F68A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976056,"usec":737950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349649,"noise_level":-21.578430,"freq_skew":5.355830,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976057,"usec":472455},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.898944,"noise_level":-21.454317,"freq_skew":6.585487,"avlc":{"src":{"addr":"4D2351","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976058,"usec":251284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085703,"noise_level":-22.223284,"freq_skew":4.205962,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976059,"usec":44385},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922431,"noise_level":-22.821157,"freq_skew":3.910558,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976059,"usec":44385},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.922431,"noise_level":-22.821157,"freq_skew":3.910558,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976059,"usec":794849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.197439,"noise_level":-22.433311,"freq_skew":4.323755,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976060,"usec":573893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727576,"noise_level":-22.095146,"freq_skew":5.870057,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976065,"usec":108301},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.372263,"noise_level":-22.285898,"freq_skew":2.415223,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976066,"usec":692264},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178713,"noise_level":-21.852045,"freq_skew":5.266397,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6075,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976070,"usec":462915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758397,"noise_level":-21.320753,"freq_skew":5.451110,"avlc":{"src":{"addr":"4BCE0F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976074,"usec":311716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.342074,"noise_level":-21.407614,"freq_skew":1.431733,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976075,"usec":817236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512001,"noise_level":-21.847696,"freq_skew":2.568472,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976075,"usec":820835},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056858,"noise_level":-22.007969,"freq_skew":4.834025,"avlc":{"src":{"addr":"4D21FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10903A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1794,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13708,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[200,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976076,"usec":586928},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162302,"noise_level":-21.823866,"freq_skew":2.901037,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976076,"usec":592663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338709,"noise_level":-21.770454,"freq_skew":4.160008,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976077,"usec":343533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.686774,"noise_level":-21.549637,"freq_skew":3.273442,"avlc":{"src":{"addr":"502D28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976078,"usec":85915},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902617,"noise_level":-21.354576,"freq_skew":4.703766,"avlc":{"src":{"addr":"4D21FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10903A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976079,"usec":652193},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986577,"noise_level":-20.880461,"freq_skew":5.481628,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"DTTA"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":11.800000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976079,"usec":671982},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849418,"noise_level":-20.671513,"freq_skew":4.993069,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17063151","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,102,105,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976081,"usec":185034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603791,"noise_level":-20.286060,"freq_skew":5.162641,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976084,"usec":226725},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991402,"noise_level":-19.334705,"freq_skew":2.815744,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976084,"usec":974877},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802063,"noise_level":-19.198996,"freq_skew":2.838231,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":12123,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[223,104,83,172]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976088,"usec":57133},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011717,"noise_level":-19.252127,"freq_skew":2.549267,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976088,"usec":59176},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684700,"noise_level":-20.145779,"freq_skew":2.601172,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":64,"dst_ref":12123,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[223,104,83,172]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976090,"usec":345829},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.193955,"noise_level":-19.982321,"freq_skew":5.134446,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221470","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,78,86,68,0,77,35,56,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976091,"usec":78238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814181,"noise_level":-19.973656,"freq_skew":2.566568,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976091,"usec":79459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.597270,"noise_level":-20.594940,"freq_skew":2.222191,"avlc":{"src":{"addr":"51118A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976091,"usec":82236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867983,"noise_level":-20.567081,"freq_skew":4.804484,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976091,"usec":843237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781775,"noise_level":-20.320274,"freq_skew":5.133821,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976092,"usec":654156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353089,"noise_level":-20.019138,"freq_skew":5.028402,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976095,"usec":682238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.191797,"noise_level":-19.727100,"freq_skew":5.336168,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976095,"usec":692496},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.164208,"noise_level":-19.635000,"freq_skew":4.698752,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976097,"usec":210231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.938495,"noise_level":-19.172791,"freq_skew":6.412518,"avlc":{"src":{"addr":"4D2351","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976104,"usec":64763},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739781,"noise_level":-18.034060,"freq_skew":4.188555,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":9.300000},"alt":13000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976106,"usec":395806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900963,"noise_level":-20.695919,"freq_skew":4.837213,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976107,"usec":909912},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060857,"noise_level":-20.202057,"freq_skew":2.794968,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976108,"usec":652341},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836053,"noise_level":-21.055651,"freq_skew":2.687674,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":518,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12123,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[181,228,47,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976108,"usec":673664},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758953,"noise_level":-21.135086,"freq_skew":2.541614,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976110,"usec":196212},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847455,"noise_level":-22.072838,"freq_skew":2.768939,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":329,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[87,109,16,149]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976112,"usec":445490},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687076,"noise_level":-22.631802,"freq_skew":0.775897,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976112,"usec":452147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658519,"noise_level":-22.573202,"freq_skew":4.771414,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976114,"usec":768682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686829,"noise_level":-22.836428,"freq_skew":5.450984,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976115,"usec":525808},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618456,"noise_level":-22.552162,"freq_skew":4.828955,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[204,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976117,"usec":61577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203178,"noise_level":-22.074226,"freq_skew":4.795557,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976118,"usec":557439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345997,"noise_level":-21.611164,"freq_skew":4.794871,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976123,"usec":170475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822372,"noise_level":-20.619507,"freq_skew":5.138570,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976132,"usec":310612},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418193,"noise_level":-18.390419,"freq_skew":1.271507,"avlc":{"src":{"addr":"4BA910","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976133,"usec":873370},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368936,"noise_level":-17.954123,"freq_skew":5.635667,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAB","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"DE4244","msg_num":"M68","msg_num_seq":"A","msg_text":"34DE4244,C,EDDF,1808"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976134,"usec":651133},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528331,"noise_level":-18.769588,"freq_skew":5.635775,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976136,"usec":917946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718606,"noise_level":-18.251169,"freq_skew":4.985497,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976140,"usec":747336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832871,"noise_level":-18.810223,"freq_skew":5.388426,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976141,"usec":512750},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029604,"noise_level":-18.637743,"freq_skew":5.056092,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"LH02ET","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976143,"usec":29928},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442447,"noise_level":-18.238667,"freq_skew":5.973412,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EIDW"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976145,"usec":295140},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.913094,"noise_level":-18.979591,"freq_skew":5.544552,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":137,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976146,"usec":851474},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274004,"noise_level":-18.843800,"freq_skew":5.144237,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"LH02ET","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976148,"usec":363391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.229573,"noise_level":-18.841707,"freq_skew":5.057407,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1096EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976152,"usec":167815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080952,"noise_level":-19.017998,"freq_skew":4.048247,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976153,"usec":739430},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080420,"noise_level":-20.451714,"freq_skew":3.399290,"avlc":{"src":{"addr":"502D28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976154,"usec":492781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694756,"noise_level":-20.273090,"freq_skew":5.298525,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976155,"usec":992419},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423080,"noise_level":-21.027481,"freq_skew":5.920571,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976157,"usec":528592},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.489260,"noise_level":-22.333237,"freq_skew":6.038477,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976159,"usec":38427},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662142,"noise_level":-22.852802,"freq_skew":5.968710,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976159,"usec":855106},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295313,"noise_level":-24.888226,"freq_skew":4.637818,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976160,"usec":607796},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784414,"noise_level":-25.065584,"freq_skew":3.986766,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXZ","mode":"2","label":"H1","blk_id":"7","ack":"!","flight":"KL088B","msg_num":"F29","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/TS174913,240107/AC,5BB86A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976162,"usec":126584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701904,"noise_level":-25.116425,"freq_skew":5.949770,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976163,"usec":638558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528110,"noise_level":-25.443481,"freq_skew":4.463041,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976163,"usec":654143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938644,"noise_level":-25.203014,"freq_skew":5.850258,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976165,"usec":171112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609941,"noise_level":-24.702236,"freq_skew":5.761610,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"On ground"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976168,"usec":994748},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517338,"noise_level":-23.086195,"freq_skew":6.130196,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBZ","mode":"2","label":"8F","blk_id":"3","ack":"!","flight":"FR5325","msg_num":"M01","msg_num_seq":"A","msg_text":"174926,C,LZKZ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976171,"usec":278167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875543,"noise_level":-22.349171,"freq_skew":2.717938,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976173,"usec":591672},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476140,"noise_level":-21.576357,"freq_skew":4.530184,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":148,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976176,"usec":621188},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413529,"noise_level":-20.602064,"freq_skew":5.935860,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBZ","mode":"2","label":"8A","blk_id":"4","ack":"!","flight":"FR5325","msg_num":"M02","msg_num_seq":"A","msg_text":"174926,C,LZKZ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976178,"usec":151431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443511,"noise_level":-22.631618,"freq_skew":5.660069,"avlc":{"src":{"addr":"3C6422","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976178,"usec":887598},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483099,"noise_level":-23.720596,"freq_skew":2.784063,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976183,"usec":482810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581491,"noise_level":-22.877514,"freq_skew":5.969294,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976188,"usec":835343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788279,"noise_level":-23.755598,"freq_skew":5.906400,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976188,"usec":835531},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.307982,"noise_level":-23.755598,"freq_skew":4.687862,"avlc":{"src":{"addr":"4D21FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976188,"usec":843006},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858030,"noise_level":-23.517960,"freq_skew":4.533388,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3878,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976190,"usec":377917},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.250082,"noise_level":-24.597435,"freq_skew":5.735522,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":519,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32368,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[235,20,52,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976192,"usec":649160},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948983,"noise_level":-23.648443,"freq_skew":4.547431,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124126","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,86,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976194,"usec":197029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240195,"noise_level":-23.135101,"freq_skew":5.879447,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976194,"usec":199346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297601,"noise_level":-23.110214,"freq_skew":4.781571,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976194,"usec":962937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269781,"noise_level":-22.781029,"freq_skew":5.691632,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976196,"usec":484254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124786,"noise_level":-22.135632,"freq_skew":3.794868,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976197,"usec":240404},"freq":136975000,"burst_len_octets":139,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.942082,"noise_level":-22.999189,"freq_skew":3.724399,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-NET","mode":"2","label":"80","blk_id":"9","ack":"!","flight":"A30808","msg_num":"M86","msg_num_seq":"A","msg_text":"3N01 POSRPT 0808/09 LGAV/EDDS .SX-NET\r\n/POS N48338E010124/ALT +13245/MCH 521/FOB 0027/ETA 1800"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976199,"usec":512191},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150791,"noise_level":-22.205845,"freq_skew":5.569999,"avlc":{"src":{"addr":"4CAD39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR67MY","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976201,"usec":92367},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.822126,"noise_level":-22.580996,"freq_skew":5.183655,"avlc":{"src":{"addr":"4CAD39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976203,"usec":367621},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801679,"noise_level":-22.742767,"freq_skew":4.713853,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3878,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976207,"usec":181635},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651066,"noise_level":-21.429758,"freq_skew":3.697093,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":397,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976207,"usec":184712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405756,"noise_level":-21.327953,"freq_skew":3.396258,"avlc":{"src":{"addr":"3C6752","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976208,"usec":716196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604783,"noise_level":-21.660583,"freq_skew":3.872494,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976210,"usec":984380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852610,"noise_level":-21.635342,"freq_skew":4.968031,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976210,"usec":990433},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632485,"noise_level":-21.572655,"freq_skew":5.377291,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1479,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976210,"usec":993956},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.622688,"noise_level":-21.541481,"freq_skew":1.470923,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-EQN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EK02MJ","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976213,"usec":256868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880130,"noise_level":-20.863308,"freq_skew":2.030044,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976213,"usec":272028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113407,"noise_level":-21.012100,"freq_skew":5.239234,"avlc":{"src":{"addr":"4CAD39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976214,"usec":824961},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.386524,"noise_level":-21.405369,"freq_skew":4.702058,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976214,"usec":826203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699913,"noise_level":-22.184917,"freq_skew":4.978859,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976216,"usec":324530},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378524,"noise_level":-22.612961,"freq_skew":5.103820,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[155,110]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976218,"usec":602121},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.445113,"noise_level":-23.823540,"freq_skew":5.541736,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4090,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976219,"usec":374716},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.123799,"noise_level":-23.531727,"freq_skew":5.341198,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6077,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":309,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[20,224]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976220,"usec":917936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123825,"noise_level":-23.074400,"freq_skew":5.500638,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976223,"usec":194893},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796601,"noise_level":-22.059460,"freq_skew":5.745430,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7009,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12132,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[12,145]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976223,"usec":197893},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419837,"noise_level":-21.971821,"freq_skew":3.313911,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976224,"usec":725394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994776,"noise_level":-21.567207,"freq_skew":3.255931,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976227,"usec":56550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836922,"noise_level":-20.856256,"freq_skew":5.662361,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976227,"usec":57614},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.619596,"noise_level":-20.846676,"freq_skew":5.168912,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[200,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976227,"usec":790472},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029423,"noise_level":-20.751448,"freq_skew":4.374876,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":307,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[173,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976228,"usec":563099},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073000,"noise_level":-20.481043,"freq_skew":4.502073,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":307,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":50,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976228,"usec":564038},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193899,"noise_level":-20.471867,"freq_skew":3.419851,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":55,"dst_ref":55310,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[177,59,85,66]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976230,"usec":65400},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180669,"noise_level":-20.112562,"freq_skew":3.338922,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":154,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55310,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[110,121,214,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976230,"usec":840996},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869384,"noise_level":-19.792942,"freq_skew":2.671344,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":523,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[74,38,130,97]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976231,"usec":604447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.629052,"noise_level":-19.579229,"freq_skew":3.297311,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976237,"usec":712572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.347769,"noise_level":-18.308477,"freq_skew":3.603180,"avlc":{"src":{"addr":"502D28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976240,"usec":795778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895521,"noise_level":-18.222961,"freq_skew":2.643993,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976243,"usec":60172},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678085,"noise_level":-18.673841,"freq_skew":5.111059,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISI","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH002F","msg_num":"M24","msg_num_seq":"A","msg_text":"00093209241G:8+VBDKKUEUY1K7-YA(80,++J(-IJ:84EB+RVR+W+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976246,"usec":871519},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055688,"noise_level":-18.784010,"freq_skew":2.724899,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12123,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[176,203,130,122]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":50,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976249,"usec":941097},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656451,"noise_level":-18.772821,"freq_skew":5.002310,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISI","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH002F","msg_num":"M25","msg_num_seq":"A","msg_text":"00094234287N7+U4+L:LYGGYEVRV,1GGYS"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976250,"usec":706581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377643,"noise_level":-18.578920,"freq_skew":4.813251,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976252,"usec":204858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492552,"noise_level":-19.208942,"freq_skew":4.925752,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976252,"usec":980917},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987225,"noise_level":-18.859230,"freq_skew":4.816842,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1761,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55311,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[172,164,74,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976252,"usec":980917},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.987225,"noise_level":-18.859230,"freq_skew":4.816842,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":1762,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":103,"dst_ref":55311,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[230,140,21,174]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976253,"usec":718692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701289,"noise_level":-18.813648,"freq_skew":2.234997,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976254,"usec":525097},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.723575,"noise_level":-19.246119,"freq_skew":4.670030,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976256,"usec":802042},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476710,"noise_level":-19.659077,"freq_skew":4.986537,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[196,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976256,"usec":806342},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620726,"noise_level":-19.716362,"freq_skew":6.285586,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976256,"usec":806342},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.620726,"noise_level":-19.716362,"freq_skew":6.285586,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"SN02LG","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976256,"usec":816272},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477715,"noise_level":-19.641027,"freq_skew":5.153099,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32402,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[53,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":50,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976256,"usec":822560},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.082872,"noise_level":-20.290993,"freq_skew":2.150598,"avlc":{"src":{"addr":"AE0133","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":47,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976257,"usec":582367},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257946,"noise_level":-20.159756,"freq_skew":2.734113,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,238,20,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976259,"usec":70838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.777256,"noise_level":-19.955906,"freq_skew":1.450596,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976259,"usec":848605},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575036,"noise_level":-19.567202,"freq_skew":6.508230,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"SN02LG","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976260,"usec":604207},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153893,"noise_level":-19.547482,"freq_skew":2.902387,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":528,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,238,20,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976265,"usec":199633},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708879,"noise_level":-19.429775,"freq_skew":4.737439,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55312,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[206,214,74,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976265,"usec":943618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045602,"noise_level":-19.340759,"freq_skew":0.418006,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976269,"usec":44256},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673586,"noise_level":-19.119539,"freq_skew":4.628839,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976272,"usec":816078},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441189,"noise_level":-19.621880,"freq_skew":4.995277,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32402,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[185,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976273,"usec":585060},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883736,"noise_level":-20.069075,"freq_skew":6.097503,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"5","ack":"G","flight":"LH03FT","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976275,"usec":896349},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891375,"noise_level":-20.575533,"freq_skew":6.098107,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LH03FT","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976276,"usec":675101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752132,"noise_level":-21.161690,"freq_skew":4.524067,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976276,"usec":676469},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722547,"noise_level":-22.209881,"freq_skew":4.989242,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976278,"usec":948336},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.713262,"noise_level":-22.477245,"freq_skew":5.787513,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LH03FT","msg_num":"S87","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976278,"usec":949296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.511159,"noise_level":-23.630888,"freq_skew":3.183416,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976279,"usec":698343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698525,"noise_level":-23.422314,"freq_skew":5.432043,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976281,"usec":261697},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.957618,"noise_level":-23.359964,"freq_skew":2.000725,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976282,"usec":8869},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310760,"noise_level":-24.217205,"freq_skew":5.135681,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976284,"usec":282504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916764,"noise_level":-24.339718,"freq_skew":5.318591,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976284,"usec":283888},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905390,"noise_level":-24.443321,"freq_skew":2.640129,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":529,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[134,187,70,104]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":329,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[223,101,116,242]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":51,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976285,"usec":50840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122023,"noise_level":-24.172335,"freq_skew":2.472907,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976285,"usec":65806},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511341,"noise_level":-24.235098,"freq_skew":5.127146,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"LIME"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":5.900000},"alt":32000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976285,"usec":67454},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822899,"noise_level":-24.220964,"freq_skew":6.338926,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"SN02LG","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976286,"usec":559039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135470,"noise_level":-24.700348,"freq_skew":2.735815,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976286,"usec":570065},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644958,"noise_level":-24.611273,"freq_skew":6.370760,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976286,"usec":581746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131307,"noise_level":-24.435816,"freq_skew":4.753464,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LZC","mode":"2","label":"_d","blk_id":"0","ack":"F","flight":"OS014D","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976287,"usec":340467},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914444,"noise_level":-24.025875,"freq_skew":5.293986,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976289,"usec":649787},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.395046,"noise_level":-23.159283,"freq_skew":5.335271,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10919A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":521,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32368,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[235,20,52,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976290,"usec":401239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908673,"noise_level":-23.669338,"freq_skew":5.141302,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976291,"usec":933680},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.100283,"noise_level":-22.835979,"freq_skew":2.097840,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976292,"usec":679411},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761053,"noise_level":-22.680855,"freq_skew":2.620181,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976292,"usec":696113},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298357,"noise_level":-22.516840,"freq_skew":2.475522,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":385,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976293,"usec":426027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.341081,"noise_level":-22.378677,"freq_skew":3.285712,"avlc":{"src":{"addr":"4CAD40","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55310,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,205,22,232]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976294,"usec":195801},"freq":136975000,"burst_len_octets":226,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.213317,"noise_level":-22.386337,"freq_skew":0.089522,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-CXG","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XR67FR","msg_num":"D08","msg_num_seq":"B","sublabel":"DF","msg_text":"00000000 00000000 00000000 000000\r\n0000000000 0000000000 0533405325\r\n000000 006000 304034 331+++\r\n00000000 00000000\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976294,"usec":197085},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110283,"noise_level":-22.374912,"freq_skew":2.685601,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":530,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976294,"usec":201654},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.508757,"noise_level":-22.479010,"freq_skew":1.808227,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCHG","mode":"2","label":"83","blk_id":"5","ack":"!","flight":"GS0001","msg_num":"M21","msg_num_seq":"A","msg_text":"001PR09175127N4707.1E01131.42995200034"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976294,"usec":998816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920875,"noise_level":-22.296068,"freq_skew":2.339019,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":33,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976295,"usec":762884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.408678,"noise_level":-21.952225,"freq_skew":0.150368,"avlc":{"src":{"addr":"4D23C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976297,"usec":268446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244833,"noise_level":-22.381792,"freq_skew":2.496347,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976299,"usec":564785},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827209,"noise_level":-21.420097,"freq_skew":5.652590,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,77,32,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976300,"usec":298204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531990,"noise_level":-21.960371,"freq_skew":5.995510,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH03FT","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976301,"usec":866265},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303997,"noise_level":-22.109861,"freq_skew":1.771966,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976301,"usec":882545},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003558,"noise_level":-21.934456,"freq_skew":2.631378,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976301,"usec":884355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818784,"noise_level":-21.912777,"freq_skew":6.037738,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976304,"usec":151493},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.024412,"noise_level":-21.454115,"freq_skew":2.138067,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976304,"usec":905274},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795371,"noise_level":-21.231087,"freq_skew":4.622516,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1767,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976304,"usec":920782},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911789,"noise_level":-21.552866,"freq_skew":5.505978,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":25,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":2,"credit_offered":5,"credit_avail":4,"err_code":3,"err_descr":"Hold timer expired","err_subcode":0,"err_subcode_descr":"NULL"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976305,"usec":665615},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815956,"noise_level":-21.665657,"freq_skew":5.742729,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,77,32,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976310,"usec":266206},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838792,"noise_level":-20.197639,"freq_skew":1.967461,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976313,"usec":303214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756535,"noise_level":-19.632053,"freq_skew":4.397677,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976314,"usec":70975},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.416653,"noise_level":-19.951675,"freq_skew":1.949685,"avlc":{"src":{"addr":"490D07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCHG","mode":"2","label":"83","blk_id":"5","ack":"!","flight":"GS0001","msg_num":"M21","msg_num_seq":"A","msg_text":"001PR09175127N4707.1E01131.42995200034"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976314,"usec":860771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052127,"noise_level":-19.908592,"freq_skew":4.166173,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976316,"usec":388321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485438,"noise_level":-19.518177,"freq_skew":5.809746,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976320,"usec":932836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.864584,"noise_level":-18.445074,"freq_skew":3.833877,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976320,"usec":940605},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541844,"noise_level":-18.387169,"freq_skew":5.194017,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5898,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976321,"usec":734389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.503018,"noise_level":-18.265388,"freq_skew":4.127578,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976324,"usec":2986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527435,"noise_level":-18.614418,"freq_skew":5.476723,"avlc":{"src":{"addr":"4D2338","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976325,"usec":523105},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414986,"noise_level":-18.234087,"freq_skew":5.104001,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5898,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976333,"usec":908832},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260446,"noise_level":-17.683266,"freq_skew":5.537506,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976333,"usec":925328},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.281143,"noise_level":-17.603800,"freq_skew":5.717013,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":524,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32370,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[38,234,171,237]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32370,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[158,249,158,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":52,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976334,"usec":688950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324083,"noise_level":-17.401817,"freq_skew":4.759304,"avlc":{"src":{"addr":"4D012D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976335,"usec":472542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328195,"noise_level":-18.418276,"freq_skew":5.740652,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976338,"usec":512031},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.658127,"noise_level":-17.689526,"freq_skew":5.598225,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZED","mode":"2","label":"8E","blk_id":"2","ack":"!","flight":"U254ED","msg_num":"M71","msg_num_seq":"A","msg_text":"EDDL,1821"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976338,"usec":514406},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.782901,"noise_level":-17.676222,"freq_skew":5.718127,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":525,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32370,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[8,227,157,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":52,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976340,"usec":775462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948371,"noise_level":-17.541601,"freq_skew":5.691532,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976341,"usec":583972},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.334600,"noise_level":-17.341043,"freq_skew":1.615023,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"42262246","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,85,65,69,0,137,100,166,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976343,"usec":106221},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.689163,"noise_level":-19.486391,"freq_skew":5.582322,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32370,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[123,183,221,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976343,"usec":874323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199043,"noise_level":-19.268099,"freq_skew":1.574761,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976344,"usec":632239},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.382638,"noise_level":-19.133419,"freq_skew":3.341692,"avlc":{"src":{"addr":"4D2413","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":95,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12138,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,158,53,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976344,"usec":633912},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.520399,"noise_level":-19.117710,"freq_skew":3.330736,"avlc":{"src":{"addr":"4D2413","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":12138,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[127,254,180,197]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976346,"usec":127745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.241700,"noise_level":-18.847317,"freq_skew":3.632382,"avlc":{"src":{"addr":"4D2413","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976347,"usec":640464},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024226,"noise_level":-18.687515,"freq_skew":5.696057,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":26,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976347,"usec":659815},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900183,"noise_level":-18.554123,"freq_skew":5.475781,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":27,"idrp":{"err":false,"pdu_type":5,"pdu_type_name":"Cease","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976349,"usec":214163},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858060,"noise_level":-18.879602,"freq_skew":4.313912,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":134,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":20,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[155,149]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976349,"usec":226062},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768442,"noise_level":-19.763218,"freq_skew":5.721994,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976350,"usec":732088},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989412,"noise_level":-19.529688,"freq_skew":4.234537,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12139,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[232,173]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976350,"usec":746303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459700,"noise_level":-19.447794,"freq_skew":5.811825,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976352,"usec":248225},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687502,"noise_level":-19.660027,"freq_skew":4.267323,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12139,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[135,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976352,"usec":998423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086102,"noise_level":-19.685024,"freq_skew":5.814921,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976353,"usec":762012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094342,"noise_level":-19.412901,"freq_skew":4.035647,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976353,"usec":779044},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700304,"noise_level":-19.738213,"freq_skew":2.456432,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976356,"usec":80430},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830557,"noise_level":-19.691463,"freq_skew":5.500448,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":29,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":3,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,193,88,65,65,0,77,32,92],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976357,"usec":595166},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.846593,"noise_level":-20.565187,"freq_skew":2.415831,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976358,"usec":362389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120633,"noise_level":-20.255589,"freq_skew":3.967916,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976359,"usec":118508},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032689,"noise_level":-19.930759,"freq_skew":4.253398,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":142,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12140,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[130,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976359,"usec":877211},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.599306,"noise_level":-20.687418,"freq_skew":5.819702,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,77,32,92,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976361,"usec":404568},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425645,"noise_level":-20.468769,"freq_skew":5.129617,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5100,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976362,"usec":194044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986182,"noise_level":-20.778309,"freq_skew":4.354064,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976364,"usec":469429},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.516243,"noise_level":-20.226070,"freq_skew":5.552348,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976365,"usec":232063},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277564,"noise_level":-19.995903,"freq_skew":2.433521,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976365,"usec":242656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364706,"noise_level":-20.055922,"freq_skew":5.123714,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976366,"usec":746735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966763,"noise_level":-19.814526,"freq_skew":5.684157,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976369,"usec":62695},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.270660,"noise_level":-19.913227,"freq_skew":5.555461,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":527,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976369,"usec":68579},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799954,"noise_level":-19.861782,"freq_skew":4.971256,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":409,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976369,"usec":69883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785054,"noise_level":-19.853237,"freq_skew":3.538890,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJM","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH1145","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976370,"usec":571871},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016474,"noise_level":-21.521690,"freq_skew":3.644338,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJM","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH1145","msg_num":"D20","msg_num_seq":"A","sublabel":"DF","msg_text":"A320,045540,1,1,TB000000/REP002,64,01,1/CCD-AIJM,SEP09,163908,LEBB,EDDF,1145/C0SW060064640001/C106,53301,5000,42,0010,0,0100,42,X/CEN255,37993,246,779,5945,293,W22064/CNN255,38001,246,779,5945,293/C21020420"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976370,"usec":574444},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141165,"noise_level":-21.459818,"freq_skew":2.491555,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976372,"usec":111886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156660,"noise_level":-21.841574,"freq_skew":4.925788,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976372,"usec":848608},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.329172,"noise_level":-22.480595,"freq_skew":2.332889,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"RKSM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976372,"usec":852341},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649420,"noise_level":-22.514511,"freq_skew":3.275262,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIJM","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH1145","msg_num":"D20","msg_num_seq":"D","sublabel":"DF","msg_text":"0624/M10003,0000,0000,0000,0000,0003,04743/N10002,0000,0001,0000,0000,0001,04726/O1000,000,0956,16662,125,N523,0073/P1000,000,0941,16486,107,N523,0073/Q10019,0024,0008,0001,0001,0005,6014/R10020,0016,0004,0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976375,"usec":941868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607389,"noise_level":-23.641800,"freq_skew":4.890548,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976376,"usec":699572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686771,"noise_level":-23.368723,"freq_skew":4.722090,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976376,"usec":702964},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084826,"noise_level":-23.827953,"freq_skew":5.682980,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":8.900001},"alt":33000}},{"name":"alternate_ground_stations","value":["109ACA","10990A","10FA5A","10F63A","10981A","10F69B","10F68A","10FA7A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976377,"usec":455132},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951714,"noise_level":-23.641029,"freq_skew":5.590617,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976377,"usec":455132},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.951714,"noise_level":-23.641029,"freq_skew":5.590617,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976378,"usec":971572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.566561,"noise_level":-23.995842,"freq_skew":2.445562,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976381,"usec":249111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018774,"noise_level":-23.550978,"freq_skew":5.460938,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976381,"usec":261828},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883211,"noise_level":-23.408356,"freq_skew":5.722418,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10959A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976382,"usec":59637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029345,"noise_level":-23.964897,"freq_skew":5.719936,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976385,"usec":856866},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603753,"noise_level":-22.757229,"freq_skew":3.916496,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":10.200000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976386,"usec":612878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.872813,"noise_level":-23.421595,"freq_skew":5.647578,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976386,"usec":618899},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494758,"noise_level":-23.344660,"freq_skew":2.253519,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10975A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":366,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976391,"usec":193927},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.146863,"noise_level":-23.080910,"freq_skew":4.744798,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1769,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55312,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[116,213,77,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976391,"usec":214919},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.147149,"noise_level":-22.884989,"freq_skew":1.668451,"avlc":{"src":{"addr":"8964A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976393,"usec":486477},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631841,"noise_level":-21.977556,"freq_skew":2.350880,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":9.000000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976394,"usec":232797},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659970,"noise_level":-22.631376,"freq_skew":2.384210,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDJ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH008F","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976394,"usec":232797},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.659970,"noise_level":-22.631376,"freq_skew":2.384210,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062212","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,138,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976394,"usec":991629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171262,"noise_level":-22.902122,"freq_skew":2.331630,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976396,"usec":566928},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457188,"noise_level":-22.214308,"freq_skew":2.142295,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10975A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":366,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976397,"usec":305765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114488,"noise_level":-22.191338,"freq_skew":4.808376,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976398,"usec":81748},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616561,"noise_level":-22.790100,"freq_skew":2.158933,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDJ","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LH008F","msg_num":"S48","msg_num_seq":"A","msg_text":"0EV175313V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":53,"sec":13}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976398,"usec":833116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358701,"noise_level":-22.553816,"freq_skew":2.374246,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976398,"usec":836635},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747852,"noise_level":-22.507322,"freq_skew":3.633851,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEF","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH0687","msg_num":"D76","msg_num_seq":"B","sublabel":"DF","msg_text":",05354,02348,53/E10625,0810,57,160,007,000,029,0/N10627,0812,57,165,010,000,025,0/S11338,3923,017,015,093,40,24470,2/T11375,3958,016,014,114,42,24460,2/V10015,N280,04320,00384,213,226,227,0/X11481,N0250,069"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976399,"usec":580817},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599965,"noise_level":-22.323790,"freq_skew":2.231833,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976400,"usec":357894},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.670302,"noise_level":-21.913662,"freq_skew":4.671524,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55312,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,88,208,71]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":53,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976401,"usec":103351},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007390,"noise_level":-21.784702,"freq_skew":2.747288,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[134,187,70,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976401,"usec":106045},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291811,"noise_level":-21.752758,"freq_skew":5.321791,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6079,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976406,"usec":458508},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.296900,"noise_level":-21.462971,"freq_skew":6.295247,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976407,"usec":212133},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804649,"noise_level":-22.281223,"freq_skew":2.383780,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDJ","mode":"2","label":"_d","blk_id":"2","ack":"K","flight":"LH008F","msg_num":"S49","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976407,"usec":223613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018378,"noise_level":-22.683468,"freq_skew":5.549495,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976408,"usec":727444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.217977,"noise_level":-22.511539,"freq_skew":4.502478,"avlc":{"src":{"addr":"440606","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976408,"usec":731404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.484294,"noise_level":-22.658522,"freq_skew":2.761983,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976409,"usec":544596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813903,"noise_level":-22.471802,"freq_skew":3.649183,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976409,"usec":545002},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739647,"noise_level":-22.471802,"freq_skew":4.719505,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976409,"usec":548687},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.307841,"noise_level":-22.967583,"freq_skew":5.776670,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976416,"usec":402756},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.001849,"noise_level":-22.975542,"freq_skew":2.879889,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBJ","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"DI08BX","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976419,"usec":454089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951777,"noise_level":-22.287580,"freq_skew":2.814467,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBJ","mode":"2","label":"_d","blk_id":"7","ack":"M","flight":"DI08BX","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976421,"usec":721622},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768431,"noise_level":-22.987909,"freq_skew":5.619967,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":44,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":7,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976422,"usec":513296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482121,"noise_level":-22.758181,"freq_skew":2.656387,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976425,"usec":561573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562819,"noise_level":-24.113762,"freq_skew":2.899094,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976426,"usec":326361},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861289,"noise_level":-23.691795,"freq_skew":5.543554,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976427,"usec":66387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988623,"noise_level":-23.391457,"freq_skew":5.666358,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976430,"usec":152333},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.959784,"noise_level":-22.360542,"freq_skew":2.592901,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"DI08BX","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976431,"usec":665646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532940,"noise_level":-22.733049,"freq_skew":4.633710,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976433,"usec":945004},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.008801,"noise_level":-22.654518,"freq_skew":3.633639,"avlc":{"src":{"addr":"4CAE1E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976435,"usec":469344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153275,"noise_level":-22.217638,"freq_skew":2.740620,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976438,"usec":556359},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687766,"noise_level":-21.113564,"freq_skew":3.342672,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJM","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH1145","msg_num":"M63","msg_num_seq":"A","msg_text":"00040209247VTQQ7GBDD,6MR8G0)63QF:*UU),,L--G8W5G,G,*V1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976440,"usec":79153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852123,"noise_level":-20.866936,"freq_skew":3.610679,"avlc":{"src":{"addr":"3C654D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976442,"usec":344144},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883708,"noise_level":-22.215538,"freq_skew":4.935264,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH02ET","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976443,"usec":910026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762197,"noise_level":-21.606934,"freq_skew":4.654159,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976445,"usec":428298},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676200,"noise_level":-22.473412,"freq_skew":2.424470,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"36013217","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,83,78,0,120,22,143,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976446,"usec":177155},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602903,"noise_level":-23.162100,"freq_skew":4.847286,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH073H","msg_num":"M35","msg_num_seq":"A","msg_text":"00030234254WOJS3*6964BBA6J:S:1+K1P"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976446,"usec":935553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077105,"noise_level":-23.766071,"freq_skew":2.520719,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976453,"usec":816126},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635372,"noise_level":-22.261572,"freq_skew":2.633907,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"CZ303D","msg_num":"F03","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50016E008306,DF234,175401,16,DF133,175458,DF136,P16,31916,556/TS175401,090926C7DA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976458,"usec":390989},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494256,"noise_level":-23.010008,"freq_skew":2.629921,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"CZ303D","msg_num":"D08","msg_num_seq":"I","sublabel":"DF","msg_text":" 0 1 0 0 0\r\nAAEH008048 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976459,"usec":908659},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455907,"noise_level":-23.806099,"freq_skew":5.684711,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976461,"usec":438620},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.929826,"noise_level":-24.626701,"freq_skew":2.981947,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976461,"usec":443540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834391,"noise_level":-24.683531,"freq_skew":5.771789,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976462,"usec":192987},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775810,"noise_level":-24.419498,"freq_skew":5.164262,"avlc":{"src":{"addr":"4CAD39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-HEY","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR67MY","msg_num":"M95","msg_num_seq":"A","msg_text":"175420,37021,1959, 163,N 47.642 E 11.561"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976462,"usec":987487},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.284140,"noise_level":-23.957764,"freq_skew":5.664158,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7014,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12149,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[82,201]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":54,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976463,"usec":757743},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796254,"noise_level":-23.688002,"freq_skew":2.591436,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976464,"usec":499412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.287106,"noise_level":-24.733025,"freq_skew":5.181215,"avlc":{"src":{"addr":"4CAD39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976464,"usec":512127},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624967,"noise_level":-24.555113,"freq_skew":2.780257,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":281,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976465,"usec":275565},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.250221,"noise_level":-24.056103,"freq_skew":6.046791,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7016,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12149,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[81,215]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976467,"usec":547459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442721,"noise_level":-24.860819,"freq_skew":5.701683,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976468,"usec":309136},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809804,"noise_level":-25.070379,"freq_skew":3.729567,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEF","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH0687","msg_num":"D77","msg_num_seq":"A","sublabel":"DF","msg_text":"A321,011612,1,1,TB000000/REP019,64,01,1/CCD-AIEF,SEP09,175411,LLBG,EDDF,0687/C0SW060063130001/C106,32619,5200,59,0011,0,1100,59,X/CE0080,19769,330,710,7426,251,W22013/EC772293,05274,02319,53,15,057/EE772842"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976474,"usec":415245},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631138,"noise_level":-25.699720,"freq_skew":4.974123,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR74VJ","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976474,"usec":422742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598812,"noise_level":-25.550335,"freq_skew":5.258904,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976475,"usec":987498},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885730,"noise_level":-25.569437,"freq_skew":5.027151,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976476,"usec":731952},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614240,"noise_level":-25.438484,"freq_skew":2.832877,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZF","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH08NE","msg_num":"M63","msg_num_seq":"A","msg_text":"00132234287N7U4-YCYM::*+8H80E:4E2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976477,"usec":494817},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-8.190018,"noise_level":-27.427807,"freq_skew":4.173335,"avlc":{"src":{"addr":"4692D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21511331","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,146,217,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976477,"usec":496959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991404,"noise_level":-27.407402,"freq_skew":5.127192,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976478,"usec":256585},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664479,"noise_level":-26.931572,"freq_skew":2.537720,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976478,"usec":260254},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665622,"noise_level":-26.893072,"freq_skew":2.816739,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976478,"usec":260724},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524981,"noise_level":-27.503393,"freq_skew":3.696851,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":697,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976479,"usec":766223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971378,"noise_level":-27.274841,"freq_skew":2.647363,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976479,"usec":771404},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.230163,"noise_level":-27.194929,"freq_skew":5.791312,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7017,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976482,"usec":41150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562602,"noise_level":-27.394426,"freq_skew":2.705002,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976483,"usec":599962},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601097,"noise_level":-27.237679,"freq_skew":5.551993,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":530,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32370,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[208,132,16,67]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32370,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[104,92,200,241]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":54,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976484,"usec":382168},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716713,"noise_level":-26.620602,"freq_skew":4.625854,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-LCYM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"CJ8767","msg_num":"M06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976485,"usec":120909},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758248,"noise_level":-26.472950,"freq_skew":4.433588,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20061171","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,67,70,69,0,64,98,121,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976486,"usec":650445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099777,"noise_level":-25.342026,"freq_skew":4.568234,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976487,"usec":410019},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122554,"noise_level":-25.577318,"freq_skew":4.484728,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976488,"usec":148376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128561,"noise_level":-25.397606,"freq_skew":2.691794,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976488,"usec":152102},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.297172,"noise_level":-25.621147,"freq_skew":5.909472,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":531,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32370,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[72,21,150,8]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":54,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976489,"usec":685169},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275148,"noise_level":-24.768476,"freq_skew":5.809973,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32370,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[38,81,66,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976491,"usec":247573},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678523,"noise_level":-24.173395,"freq_skew":4.631664,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH073H","msg_num":"M35","msg_num_seq":"A","msg_text":"00030234254WOJS3*6964BBA6J:S:1+K1P"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976493,"usec":512610},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196938,"noise_level":-23.969692,"freq_skew":4.746439,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23124126","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,86,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976495,"usec":16026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.037250,"noise_level":-23.435707,"freq_skew":3.717972,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976507,"usec":256924},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503250,"noise_level":-23.868099,"freq_skew":2.564346,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976508,"usec":793250},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.504339,"noise_level":-23.165142,"freq_skew":4.216544,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976510,"usec":340960},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.668468,"noise_level":-22.907267,"freq_skew":4.626144,"avlc":{"src":{"addr":"4CA856","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3879,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976510,"usec":347435},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515235,"noise_level":-22.846783,"freq_skew":2.523642,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"CZ303D","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976515,"usec":657175},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872771,"noise_level":-22.863008,"freq_skew":4.661927,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976517,"usec":203130},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204973,"noise_level":-23.086906,"freq_skew":4.361848,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976518,"usec":743195},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676600,"noise_level":-22.248791,"freq_skew":2.545566,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUM","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH08NP","msg_num":"M67","msg_num_seq":"A","msg_text":"00128209209VGH,,+4YKY-Y01K7--K,,7711,,0PMG0+17G-K0+GK"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976521,"usec":13430},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347790,"noise_level":-22.260782,"freq_skew":2.745478,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":532,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[134,187,70,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976521,"usec":21973},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131837,"noise_level":-22.159954,"freq_skew":2.868858,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":533,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[74,225,168,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976521,"usec":778766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.460584,"noise_level":-21.875080,"freq_skew":2.703089,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976523,"usec":287468},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703583,"noise_level":-21.576471,"freq_skew":4.310948,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":532,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976524,"usec":69479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402291,"noise_level":-21.694420,"freq_skew":2.637555,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976527,"usec":109853},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.533912,"noise_level":-22.092537,"freq_skew":4.296095,"avlc":{"src":{"addr":"4692D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":317,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[138,215,167,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976527,"usec":118391},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949699,"noise_level":-22.117683,"freq_skew":4.341919,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":534,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12043,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[23,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":55,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976528,"usec":641145},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.931917,"noise_level":-21.497477,"freq_skew":4.012240,"avlc":{"src":{"addr":"4692D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":317,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[168,253,115,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976530,"usec":943210},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074699,"noise_level":-20.908968,"freq_skew":2.561903,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976535,"usec":519730},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962573,"noise_level":-20.487381,"freq_skew":2.488485,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976537,"usec":33266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374096,"noise_level":-21.550629,"freq_skew":5.828817,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976537,"usec":35353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859068,"noise_level":-21.529886,"freq_skew":2.435538,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976539,"usec":337408},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719362,"noise_level":-21.822826,"freq_skew":4.361552,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12043,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[56,56]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":55,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976540,"usec":873486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646664,"noise_level":-22.664434,"freq_skew":4.436269,"avlc":{"src":{"addr":"406279","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976542,"usec":385895},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273453,"noise_level":-22.921045,"freq_skew":5.396089,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32490,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[233,212]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976543,"usec":929171},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513947,"noise_level":-25.431805,"freq_skew":3.517295,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ZSPD"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.000000},"alt":1000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976543,"usec":938827},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618176,"noise_level":-26.221062,"freq_skew":3.335351,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"CA0936","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976544,"usec":690814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665435,"noise_level":-26.858517,"freq_skew":5.538920,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976545,"usec":452312},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636664,"noise_level":-28.451202,"freq_skew":2.522842,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"CZ303D","msg_num":"C00","msg_num_seq":"M","sublabel":"CF","msg_text":"7-PMT0-0008\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976546,"usec":227768},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503143,"noise_level":-27.598207,"freq_skew":4.591548,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":160,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976546,"usec":967952},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230153,"noise_level":-27.494667,"freq_skew":2.260233,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976546,"usec":976814},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-10.303486,"noise_level":-27.965528,"freq_skew":3.276639,"avlc":{"src":{"addr":"502D28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAX","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"BT0698","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976546,"usec":989807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.405838,"noise_level":-27.708586,"freq_skew":5.562625,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976547,"usec":749871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432756,"noise_level":-27.077988,"freq_skew":5.429657,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976549,"usec":260668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807548,"noise_level":-27.508179,"freq_skew":5.391720,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976552,"usec":322461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132223,"noise_level":-26.868076,"freq_skew":4.374251,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976553,"usec":845629},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359860,"noise_level":-25.738243,"freq_skew":5.402122,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221010","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,8,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976554,"usec":605319},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454793,"noise_level":-25.456970,"freq_skew":5.464730,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":10,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32491,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[143,191]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":55,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976557,"usec":673188},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989999,"noise_level":-25.429798,"freq_skew":5.738272,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976559,"usec":956350},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672551,"noise_level":-24.371262,"freq_skew":5.421056,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":12,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32491,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[37,62]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976560,"usec":720599},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648705,"noise_level":-24.218357,"freq_skew":2.346430,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"CZ303D","msg_num":"C01","msg_num_seq":"A","sublabel":"CF","msg_text":"CFG422002 2 09SEP26 1755 CZ B-20AA CSN303D EDDF/EGLL BCG4F-45LD-0077 C L\r\nSW13 52 PSS GRD DR CTRL OPS GRH53-0119-5103\r\nLRU Left 8 General Processor Module\r\nHW\r\nHWPN 182513-001 \r\nHWML 14 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976561,"usec":483143},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676195,"noise_level":-23.845327,"freq_skew":6.178257,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":393,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976564,"usec":551929},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.333182,"noise_level":-24.030930,"freq_skew":5.955421,"avlc":{"src":{"addr":"4BCDB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7018,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12149,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[173,218]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976566,"usec":833836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881896,"noise_level":-23.912186,"freq_skew":6.400069,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976570,"usec":629135},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919527,"noise_level":-26.750362,"freq_skew":2.345645,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976572,"usec":175609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485719,"noise_level":-25.956411,"freq_skew":2.848361,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976572,"usec":175971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.018580,"noise_level":-26.803402,"freq_skew":4.175587,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976572,"usec":931448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.582365,"noise_level":-26.690083,"freq_skew":2.568554,"avlc":{"src":{"addr":"3C6746","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZF","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"LH08NE","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976579,"usec":40588},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614318,"noise_level":-24.310650,"freq_skew":5.810342,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"LH03FT","msg_num":"M82","msg_num_seq":"A","msg_text":"/EDDF.TI2/040EDDFAB7C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976580,"usec":581252},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090578,"noise_level":-24.451500,"freq_skew":5.471855,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976581,"usec":338389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166997,"noise_level":-24.124222,"freq_skew":3.025196,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976592,"usec":800353},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521604,"noise_level":-22.113171,"freq_skew":2.621265,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":386,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976595,"usec":59357},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932528,"noise_level":-23.335129,"freq_skew":5.843719,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"1","ack":"J","flight":"LH03FT","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976595,"usec":68808},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029055,"noise_level":-24.033321,"freq_skew":5.580795,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"1","ack":"J","flight":"LH03FT","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976595,"usec":70283},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759161,"noise_level":-24.033321,"freq_skew":2.189110,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":34,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976595,"usec":80286},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579974,"noise_level":-23.923466,"freq_skew":5.853114,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976596,"usec":573952},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435435,"noise_level":-24.392080,"freq_skew":2.388488,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"CZ303D","msg_num":"C02","msg_num_seq":"C","sublabel":"CF","msg_text":" HAM49-0700-6048\r\nSW6 34 AEDB DB BCG25-U000-0350\r\nSW7 34 FMS AMI BSM28-F003-0001\r\nSW8 34 FMS OPS HNP5D-AL11-5012\r\nSW9 34 NAV DB "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976596,"usec":593755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.596370,"noise_level":-25.141966,"freq_skew":2.385712,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976597,"usec":343940},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673840,"noise_level":-25.583786,"freq_skew":2.636460,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21374,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,50,71,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976597,"usec":350384},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223469,"noise_level":-26.514711,"freq_skew":3.227220,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":22,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976598,"usec":912700},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218017,"noise_level":-26.287262,"freq_skew":3.108587,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976599,"usec":661800},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.216287,"noise_level":-27.206055,"freq_skew":2.429188,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976599,"usec":663521},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463388,"noise_level":-27.166321,"freq_skew":2.228058,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HL7643","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"KE0001","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976600,"usec":431356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956024,"noise_level":-27.017258,"freq_skew":2.154003,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976603,"usec":446697},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735107,"noise_level":-26.989285,"freq_skew":2.266761,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976604,"usec":210058},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652876,"noise_level":-26.407164,"freq_skew":6.206733,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976604,"usec":218560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952524,"noise_level":-26.263063,"freq_skew":2.110492,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976604,"usec":222648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664503,"noise_level":-26.191902,"freq_skew":2.326065,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976604,"usec":222648},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.664503,"noise_level":-26.191902,"freq_skew":2.326065,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12168,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[245,33]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976605,"usec":6136},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585808,"noise_level":-27.082119,"freq_skew":2.551331,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1,"dst_ref":12168,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[139,234]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976605,"usec":786850},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922534,"noise_level":-26.987989,"freq_skew":2.569557,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[154,249,85,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976609,"usec":568210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.755022,"noise_level":-26.370720,"freq_skew":5.545908,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976609,"usec":575832},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472924,"noise_level":-26.209448,"freq_skew":4.916944,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGKR"},{"name":"ac_location","value":{"loc":{"lat":48.000000,"lon":10.100000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976610,"usec":328634},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800158,"noise_level":-25.981659,"freq_skew":4.990811,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EZWZ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"U258UH","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976610,"usec":328634},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.800158,"noise_level":-25.981659,"freq_skew":4.990811,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20066162","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,89,0,64,108,114,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976611,"usec":123939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696451,"noise_level":-25.445156,"freq_skew":5.354597,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976611,"usec":889874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814205,"noise_level":-25.845356,"freq_skew":5.209628,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976617,"usec":193365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768142,"noise_level":-24.206181,"freq_skew":2.276636,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976618,"usec":763460},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088419,"noise_level":-24.378807,"freq_skew":5.563528,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH06YJ","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976619,"usec":525794},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.332383,"noise_level":-24.379482,"freq_skew":4.334066,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34449,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[199,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976623,"usec":305177},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753025,"noise_level":-23.460991,"freq_skew":5.612610,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH06YJ","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976624,"usec":72902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921159,"noise_level":-23.783190,"freq_skew":5.754650,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976628,"usec":678883},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122046,"noise_level":-22.766483,"freq_skew":5.529735,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":537,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32368,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[110,230,176,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976630,"usec":176320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338166,"noise_level":-22.358196,"freq_skew":5.693254,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976638,"usec":614790},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739245,"noise_level":-23.669819,"freq_skew":4.877193,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":571,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976640,"usec":884116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683526,"noise_level":-22.896828,"freq_skew":3.378305,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976641,"usec":641490},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022989,"noise_level":-22.669466,"freq_skew":2.735781,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":535,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":329,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[134,187,70,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976641,"usec":649137},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.545927,"noise_level":-22.587177,"freq_skew":4.815495,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":571,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976645,"usec":493890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777675,"noise_level":-21.165722,"freq_skew":4.968729,"avlc":{"src":{"addr":"3C6669","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976648,"usec":528115},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846282,"noise_level":-20.320892,"freq_skew":2.661788,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"DI08BX","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976653,"usec":883606},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968423,"noise_level":-19.222395,"freq_skew":5.757987,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":538,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32370,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[123,30,116,152]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32370,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[69,167,78,32]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":57,"sec":32}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976655,"usec":389170},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592852,"noise_level":-19.042551,"freq_skew":2.242835,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976656,"usec":151684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921306,"noise_level":-19.578178,"freq_skew":2.705659,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976664,"usec":544295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774479,"noise_level":-20.897762,"freq_skew":5.016197,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":558,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36378,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[197,203,155,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976664,"usec":560101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323848,"noise_level":-21.149137,"freq_skew":4.007142,"avlc":{"src":{"addr":"4692D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976665,"usec":317392},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726539,"noise_level":-20.962772,"freq_skew":2.744212,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12176,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[151,157,143,42]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976666,"usec":863169},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885374,"noise_level":-21.602842,"freq_skew":2.827822,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":63,"dst_ref":12177,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[158,88,78,105]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976667,"usec":617406},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476306,"noise_level":-21.386194,"freq_skew":1.742163,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976669,"usec":133327},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923660,"noise_level":-20.881508,"freq_skew":5.492609,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":545,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976671,"usec":423446},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468184,"noise_level":-21.581226,"freq_skew":4.166368,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33239,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[129,50,244,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976671,"usec":430078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199956,"noise_level":-21.498259,"freq_skew":5.229784,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976673,"usec":736666},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659306,"noise_level":-21.586967,"freq_skew":4.586703,"avlc":{"src":{"addr":"46B823","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976674,"usec":506983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931710,"noise_level":-22.081127,"freq_skew":2.523669,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976676,"usec":769766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556170,"noise_level":-23.335278,"freq_skew":4.867874,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12053,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[236,203,119,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976676,"usec":777889},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701972,"noise_level":-23.233854,"freq_skew":0.963235,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":9.200000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976679,"usec":837800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894238,"noise_level":-24.084244,"freq_skew":1.046451,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976686,"usec":730720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372443,"noise_level":-23.960150,"freq_skew":2.037767,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976689,"usec":5238},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590825,"noise_level":-23.828770,"freq_skew":2.191279,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":540,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976690,"usec":503167},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074540,"noise_level":-25.037189,"freq_skew":2.031096,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976690,"usec":512562},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290631,"noise_level":-24.732351,"freq_skew":3.795701,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976691,"usec":269591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319980,"noise_level":-24.731443,"freq_skew":1.929028,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976692,"usec":818973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.423150,"noise_level":-24.082392,"freq_skew":2.143658,"avlc":{"src":{"addr":"3C648A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976694,"usec":338123},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.203484,"noise_level":-24.088964,"freq_skew":3.854947,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32477,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[170,215,9,74]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32477,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[21,226,140,179]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":58,"sec":13}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976694,"usec":339905},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.385673,"noise_level":-24.075069,"freq_skew":2.259603,"avlc":{"src":{"addr":"407179","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976697,"usec":368620},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565385,"noise_level":-22.691648,"freq_skew":4.203860,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUN","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH02QR","msg_num":"M34","msg_num_seq":"A","msg_text":"000261AD326,$>????"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976697,"usec":370603},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867378,"noise_level":-22.632641,"freq_skew":4.016893,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSP","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"EC61MT","msg_num":"M39","msg_num_seq":"A","msg_text":"175812,28994,1842,48,N 47.149 E 10.582"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976698,"usec":949789},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466839,"noise_level":-22.050392,"freq_skew":4.135545,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976698,"usec":950465},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.656662,"noise_level":-22.740849,"freq_skew":3.854965,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976698,"usec":951236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914073,"noise_level":-22.740849,"freq_skew":4.106594,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976699,"usec":700012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160307,"noise_level":-22.922487,"freq_skew":3.513482,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976699,"usec":704089},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805836,"noise_level":-23.569042,"freq_skew":5.587185,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH06YJ","msg_num":"M30","msg_num_seq":"A","msg_text":"009892267812(0++1O(Z 1+9(+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976701,"usec":223065},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747675,"noise_level":-23.442291,"freq_skew":3.672853,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976711,"usec":923525},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.766078,"noise_level":-19.990257,"freq_skew":2.528082,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[199,68,183,129]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55307,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[133,87,12,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":17,"min":58,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976712,"usec":682388},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554099,"noise_level":-19.759100,"freq_skew":6.240246,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"SN02LG","msg_num":"M04","msg_num_seq":"A","msg_text":"/EDDF.TI2/040EDDFAB7C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976714,"usec":192794},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908780,"noise_level":-21.039593,"freq_skew":6.130685,"avlc":{"src":{"addr":"44CE61","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSA","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"SN02LG","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976715,"usec":715586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.136529,"noise_level":-21.255711,"freq_skew":2.619315,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976724,"usec":96662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763256,"noise_level":-19.746635,"freq_skew":2.440652,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976725,"usec":631212},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468861,"noise_level":-19.733509,"freq_skew":2.661779,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976726,"usec":425812},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.042013,"noise_level":-19.746296,"freq_skew":4.122700,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":220,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976726,"usec":428948},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.649617,"noise_level":-19.721024,"freq_skew":2.544300,"avlc":{"src":{"addr":"3C66A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55307,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[29,17,233,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976730,"usec":972457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.682517,"noise_level":-18.681175,"freq_skew":5.339375,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976730,"usec":980861},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933402,"noise_level":-19.368013,"freq_skew":5.565374,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":46,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976740,"usec":165509},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009850,"noise_level":-17.841360,"freq_skew":5.790908,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"2","ack":"K","flight":"LH03FT","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976743,"usec":218958},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.434770,"noise_level":-19.781155,"freq_skew":5.722634,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":46,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976743,"usec":959039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.216092,"noise_level":-19.722067,"freq_skew":6.546837,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976743,"usec":977934},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261819,"noise_level":-19.882912,"freq_skew":5.663876,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976747,"usec":818258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.492615,"noise_level":-20.662464,"freq_skew":6.516805,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976756,"usec":183016},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504026,"noise_level":-19.560471,"freq_skew":4.959441,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36378,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[197,203,155,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976757,"usec":726499},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579419,"noise_level":-19.234024,"freq_skew":4.340302,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH004H","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976757,"usec":726499},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.579419,"noise_level":-19.234024,"freq_skew":4.340302,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062732","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,101,218,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976758,"usec":482952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708895,"noise_level":-19.934355,"freq_skew":4.393158,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976760,"usec":39675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798647,"noise_level":-21.308271,"freq_skew":3.897501,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976760,"usec":778304},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844409,"noise_level":-21.967657,"freq_skew":4.438215,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976762,"usec":316320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.233181,"noise_level":-21.327290,"freq_skew":2.808565,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976783,"usec":687725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641039,"noise_level":-21.087318,"freq_skew":3.862454,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976784,"usec":451115},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.656589,"noise_level":-21.854181,"freq_skew":5.034865,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":562,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976785,"usec":204187},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673706,"noise_level":-22.463753,"freq_skew":4.445083,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":428,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976787,"usec":527814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609262,"noise_level":-21.928352,"freq_skew":2.313550,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976788,"usec":280852},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854352,"noise_level":-21.735302,"freq_skew":2.669025,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976793,"usec":631612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144687,"noise_level":-22.057949,"freq_skew":4.576582,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976794,"usec":382851},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055902,"noise_level":-21.862026,"freq_skew":4.131152,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXU","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"DS94WL","msg_num":"S60","msg_num_seq":"A","msg_text":"0EV175951V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":17,"min":59,"sec":51}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976795,"usec":161020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604007,"noise_level":-21.575117,"freq_skew":3.789899,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976796,"usec":662075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947877,"noise_level":-22.331209,"freq_skew":1.730132,"avlc":{"src":{"addr":"3C6429","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976797,"usec":415720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110474,"noise_level":-23.000225,"freq_skew":2.603060,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976797,"usec":416637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990631,"noise_level":-23.000225,"freq_skew":4.393952,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976797,"usec":434933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750039,"noise_level":-24.821564,"freq_skew":4.946675,"avlc":{"src":{"addr":"406C72","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976799,"usec":692504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098994,"noise_level":-24.832212,"freq_skew":3.870959,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1154,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976801,"usec":269887},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695531,"noise_level":-24.622627,"freq_skew":2.293117,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":63,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976802,"usec":32534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305191,"noise_level":-24.558039,"freq_skew":4.398255,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976802,"usec":774185},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.167827,"noise_level":-25.631334,"freq_skew":2.678102,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976802,"usec":774185},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.167827,"noise_level":-25.631334,"freq_skew":2.678102,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":2278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976802,"usec":787816},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630434,"noise_level":-25.418034,"freq_skew":4.914256,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKM","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR76NC","msg_num":"M04","msg_num_seq":"A","msg_text":"180000,,1805, 77,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976803,"usec":538023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946063,"noise_level":-26.046572,"freq_skew":2.415090,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976804,"usec":289023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.375090,"noise_level":-25.908287,"freq_skew":3.971870,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976808,"usec":130150},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.656029,"noise_level":-24.317097,"freq_skew":3.999690,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976809,"usec":666068},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535692,"noise_level":-23.396706,"freq_skew":5.810317,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127140","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,96,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976810,"usec":424524},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548213,"noise_level":-23.118666,"freq_skew":5.787544,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJK","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR05SB","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976811,"usec":180590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525465,"noise_level":-22.861313,"freq_skew":5.621428,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976812,"usec":674440},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057252,"noise_level":-22.460173,"freq_skew":3.837211,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12018,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[173,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976812,"usec":695759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959020,"noise_level":-22.251818,"freq_skew":5.741266,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976814,"usec":251356},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051217,"noise_level":-21.759487,"freq_skew":4.385081,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":383,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976818,"usec":37359},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125237,"noise_level":-21.794754,"freq_skew":4.188731,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12018,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[177,113]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":0,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976818,"usec":797817},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928388,"noise_level":-22.554016,"freq_skew":2.635603,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976819,"usec":550975},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024778,"noise_level":-22.323986,"freq_skew":3.897831,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976820,"usec":306373},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012408,"noise_level":-22.288988,"freq_skew":3.727444,"avlc":{"src":{"addr":"461F39","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":291,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976820,"usec":325437},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943920,"noise_level":-22.459152,"freq_skew":3.702897,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":7,"dst_ref":12018,"variable_part_params":[{"name":"checksum","value":[72,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976821,"usec":867738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786868,"noise_level":-22.486729,"freq_skew":5.550161,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976821,"usec":872299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826318,"noise_level":-22.371841,"freq_skew":2.491075,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976827,"usec":223835},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873571,"noise_level":-22.025578,"freq_skew":2.399588,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976834,"usec":870858},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977604,"noise_level":-25.754086,"freq_skew":2.301267,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976837,"usec":878963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757556,"noise_level":-25.394859,"freq_skew":3.277146,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976840,"usec":980850},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732368,"noise_level":-24.474041,"freq_skew":4.318571,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"LEAL"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":8.800000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976841,"usec":739142},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520798,"noise_level":-24.145927,"freq_skew":5.736999,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH06YJ","msg_num":"M32","msg_num_seq":"A","msg_text":"00991234217N7(KKBRB4BBF,1821E:BEE"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976842,"usec":473796},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655096,"noise_level":-24.667389,"freq_skew":4.254003,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127151","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,105,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976843,"usec":254802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173106,"noise_level":-24.680031,"freq_skew":4.376962,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976843,"usec":998391},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.703612,"noise_level":-25.259518,"freq_skew":4.328023,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55291,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[224,187,102,232]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55291,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[117,201,151,133]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":0,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976844,"usec":2421},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696699,"noise_level":-25.211905,"freq_skew":4.504558,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH004H","msg_num":"D85","msg_num_seq":"M","sublabel":"DF","msg_text":",008,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976844,"usec":7766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441308,"noise_level":-25.660021,"freq_skew":5.642104,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976844,"usec":752776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237465,"noise_level":-25.881250,"freq_skew":4.327747,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976848,"usec":605235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598776,"noise_level":-23.875198,"freq_skew":4.302043,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976850,"usec":113667},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.761405,"noise_level":-24.980165,"freq_skew":4.238558,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976853,"usec":151830},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.702679,"noise_level":-23.767769,"freq_skew":4.423409,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976853,"usec":151830},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.702679,"noise_level":-23.767769,"freq_skew":4.423409,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":332,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,6,101,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976857,"usec":281},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234407,"noise_level":-22.189514,"freq_skew":4.183980,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":332,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[162,6,101,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976857,"usec":759310},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870345,"noise_level":-22.808235,"freq_skew":4.569861,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5823,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":11956,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[220,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976857,"usec":769832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082788,"noise_level":-22.689041,"freq_skew":4.488181,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976861,"usec":598699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704556,"noise_level":-22.800556,"freq_skew":1.242571,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976862,"usec":342568},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900393,"noise_level":-22.714441,"freq_skew":1.241430,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976864,"usec":626771},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530181,"noise_level":-21.738472,"freq_skew":5.762842,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1433,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976866,"usec":150136},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983988,"noise_level":-21.104332,"freq_skew":4.374602,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5825,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55316,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[253,61]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976868,"usec":469859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806832,"noise_level":-20.756628,"freq_skew":5.685353,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976869,"usec":971911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.360221,"noise_level":-20.498085,"freq_skew":4.151873,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976872,"usec":256502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.450580,"noise_level":-20.672218,"freq_skew":4.435621,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976873,"usec":23996},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902400,"noise_level":-20.892998,"freq_skew":4.523503,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976873,"usec":773881},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581663,"noise_level":-20.740320,"freq_skew":5.150875,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":9.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976873,"usec":775337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793413,"noise_level":-21.064976,"freq_skew":4.299418,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976873,"usec":783394},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373755,"noise_level":-22.107351,"freq_skew":4.186016,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976873,"usec":783394},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.373755,"noise_level":-22.107351,"freq_skew":4.186016,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":32.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12196,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[141,158,166,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976874,"usec":561350},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422489,"noise_level":-23.096390,"freq_skew":4.451611,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976874,"usec":570001},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793100,"noise_level":-22.815632,"freq_skew":4.407125,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5828,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":7,"dst_ref":11956,"variable_part_params":[{"name":"checksum","value":[189,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976875,"usec":325840},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406907,"noise_level":-22.755779,"freq_skew":4.916248,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR303F","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976875,"usec":337163},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001555,"noise_level":-23.478430,"freq_skew":4.346759,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5829,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55316,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[66,159]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976876,"usec":88613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085164,"noise_level":-23.661484,"freq_skew":5.014314,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976876,"usec":89880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351296,"noise_level":-23.648252,"freq_skew":5.543350,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976877,"usec":624788},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978614,"noise_level":-23.177402,"freq_skew":4.411032,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976878,"usec":371348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479892,"noise_level":-23.003834,"freq_skew":4.409505,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976878,"usec":375205},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.267502,"noise_level":-22.967087,"freq_skew":4.277279,"avlc":{"src":{"addr":"49D3D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":34449,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[8,55]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":1,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976886,"usec":775354},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554744,"noise_level":-20.650761,"freq_skew":4.425995,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5830,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55316,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[62,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976887,"usec":565734},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450065,"noise_level":-20.520676,"freq_skew":4.219767,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55316,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[58,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976887,"usec":579516},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.729456,"noise_level":-20.982254,"freq_skew":4.364636,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5832,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55316,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[68,13]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":1,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976889,"usec":87440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107485,"noise_level":-20.555252,"freq_skew":4.413784,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976890,"usec":582889},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780094,"noise_level":-20.228149,"freq_skew":4.227396,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976892,"usec":858501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.519198,"noise_level":-19.598673,"freq_skew":2.829476,"avlc":{"src":{"addr":"51119B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976893,"usec":649371},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883778,"noise_level":-20.322556,"freq_skew":2.691076,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976896,"usec":726779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812241,"noise_level":-20.435268,"freq_skew":2.004572,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976898,"usec":981278},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834359,"noise_level":-20.914429,"freq_skew":4.363717,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976899,"usec":10412},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469816,"noise_level":-21.415020,"freq_skew":2.568195,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[250,253,86,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976906,"usec":622771},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.312653,"noise_level":-19.565510,"freq_skew":4.466310,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":392,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":332,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[136,60,58,120]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":1,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976907,"usec":375668},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187808,"noise_level":-19.591949,"freq_skew":4.481464,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976907,"usec":385126},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.391616,"noise_level":-19.509468,"freq_skew":4.437764,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":332,"credit":3,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,165,96,45]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976907,"usec":385126},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.391616,"noise_level":-19.509468,"freq_skew":4.437764,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":332,"credit":3,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[217,178,204,77]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976911,"usec":965063},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829736,"noise_level":-18.430122,"freq_skew":4.344124,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33239,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[254,224,30,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976914,"usec":255267},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389318,"noise_level":-18.855547,"freq_skew":2.339537,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32516,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[102,62]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976914,"usec":256041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084242,"noise_level":-19.069399,"freq_skew":4.799160,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976915,"usec":807806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793621,"noise_level":-18.838390,"freq_skew":4.341403,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976916,"usec":564696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972563,"noise_level":-18.635612,"freq_skew":2.379411,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976917,"usec":307241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012794,"noise_level":-19.112909,"freq_skew":4.750442,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976918,"usec":838417},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569192,"noise_level":-19.922760,"freq_skew":2.461745,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"CZ303D","msg_num":"F05","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50155E007445,MASIR,180149,168,RAVKI,180300,DITAM,M11,33338,522/TS180149,090926B94C"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976920,"usec":366087},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.666728,"noise_level":-19.829659,"freq_skew":2.391516,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976921,"usec":116300},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527474,"noise_level":-20.806904,"freq_skew":4.598988,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976921,"usec":908062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703717,"noise_level":-20.525562,"freq_skew":2.371616,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976922,"usec":689091},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709225,"noise_level":-20.957626,"freq_skew":4.606781,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":482,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976924,"usec":962378},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573789,"noise_level":-20.268051,"freq_skew":4.694847,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5900,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976925,"usec":717890},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031518,"noise_level":-20.672514,"freq_skew":4.514521,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":482,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976930,"usec":298521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779920,"noise_level":-20.129009,"freq_skew":4.754927,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976931,"usec":817985},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485177,"noise_level":-19.732655,"freq_skew":4.778048,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["1092FA","10943A","10934A","109CEA","10930A","10910A","10956A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976931,"usec":823631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149804,"noise_level":-19.690641,"freq_skew":4.761003,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976933,"usec":324520},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857906,"noise_level":-19.845713,"freq_skew":4.803076,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":334,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[172,82,33,164]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976934,"usec":100727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132523,"noise_level":-19.924366,"freq_skew":4.712278,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976934,"usec":910534},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.844152,"noise_level":-20.338764,"freq_skew":4.637277,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976937,"usec":929263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798093,"noise_level":-19.672640,"freq_skew":4.608534,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976941,"usec":717717},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908636,"noise_level":-20.158041,"freq_skew":1.255816,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":633,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976941,"usec":727440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596487,"noise_level":-20.797941,"freq_skew":4.078743,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976943,"usec":287741},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437135,"noise_level":-20.836555,"freq_skew":3.354555,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.200000},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976944,"usec":42903},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987755,"noise_level":-20.656712,"freq_skew":3.867170,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EFHK"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":8.900001},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976944,"usec":63977},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.242333,"noise_level":-21.140030,"freq_skew":2.803706,"avlc":{"src":{"addr":"3C6675","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":9.000000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976944,"usec":817638},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284857,"noise_level":-21.012218,"freq_skew":1.112429,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976945,"usec":578039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786690,"noise_level":-21.846762,"freq_skew":2.839437,"avlc":{"src":{"addr":"3C6675","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976945,"usec":582796},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881004,"noise_level":-22.749836,"freq_skew":2.897077,"avlc":{"src":{"addr":"3C6675","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISU","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"LH051H","msg_num":"S23","msg_num_seq":"A","msg_text":"0EV180223V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":2,"sec":23}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976947,"usec":76330},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857507,"noise_level":-23.260769,"freq_skew":2.476461,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32419,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[205,121,232,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976947,"usec":873141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978137,"noise_level":-23.667549,"freq_skew":2.676505,"avlc":{"src":{"addr":"3C6675","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976947,"usec":882252},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145323,"noise_level":-23.562195,"freq_skew":3.869782,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXI","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"AY01LP","msg_num":"S31","msg_num_seq":"A","msg_text":"0EV180222VS","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":2,"sec":22}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976948,"usec":635207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006238,"noise_level":-24.284111,"freq_skew":4.149240,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"_d","blk_id":"3","ack":"R","flight":"CA0936","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976950,"usec":164811},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.277121,"noise_level":-23.719662,"freq_skew":2.657585,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976950,"usec":915562},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607830,"noise_level":-23.482990,"freq_skew":3.847409,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXI","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"AY01LP","msg_num":"S31","msg_num_seq":"A","msg_text":"0EV180222VS","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":2,"sec":22}},"links_avail":[{"code":"V","descr":"VHF ACARS"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976950,"usec":919596},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581754,"noise_level":-23.431261,"freq_skew":5.454329,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36396,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[117,242]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976951,"usec":678039},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618423,"noise_level":-25.568411,"freq_skew":4.313310,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5834,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55316,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[252,55]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976951,"usec":679895},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822264,"noise_level":-25.551937,"freq_skew":2.531527,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976952,"usec":437853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229075,"noise_level":-27.375340,"freq_skew":3.586304,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976952,"usec":439406},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730222,"noise_level":-28.399725,"freq_skew":3.649085,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINV","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"LH03RL","msg_num":"S02","msg_num_seq":"A","msg_text":"0EV180230V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":2,"sec":30}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976952,"usec":439986},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510263,"noise_level":-28.399725,"freq_skew":3.069139,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976953,"usec":941815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945712,"noise_level":-28.253832,"freq_skew":4.496804,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976953,"usec":943299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030903,"noise_level":-28.231396,"freq_skew":3.099894,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976953,"usec":944674},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912961,"noise_level":-28.712585,"freq_skew":4.348468,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976954,"usec":712583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588997,"noise_level":-28.868399,"freq_skew":3.503775,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976956,"usec":278742},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945111,"noise_level":-28.295519,"freq_skew":2.437572,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976957,"usec":28293},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707004,"noise_level":-28.670137,"freq_skew":2.122701,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976957,"usec":779471},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551339,"noise_level":-28.078014,"freq_skew":3.044265,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976960,"usec":56425},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659513,"noise_level":-27.984621,"freq_skew":3.117441,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32519,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[155,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976964,"usec":646601},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571458,"noise_level":-25.387342,"freq_skew":2.614838,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":71,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32519,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[155,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976965,"usec":422263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.783681,"noise_level":-25.008127,"freq_skew":4.410278,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976974,"usec":565423},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875808,"noise_level":-24.657940,"freq_skew":4.029974,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OH-LXI","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"AY01LP","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976974,"usec":578098},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705590,"noise_level":-25.666409,"freq_skew":3.444390,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINV","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH03RL","msg_num":"M40","msg_num_seq":"A","msg_text":"00036209217P4A4H*JTTHGG1,1RK0:RGI3UUO((L4IT565YO+2+SB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976976,"usec":123652},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900053,"noise_level":-26.904804,"freq_skew":2.493553,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"CZ303D","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976976,"usec":883334},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488543,"noise_level":-26.771202,"freq_skew":3.636566,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976977,"usec":639527},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.874542,"noise_level":-26.455044,"freq_skew":2.496105,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"_d","blk_id":"2","ack":"R","flight":"CZ303D","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976978,"usec":407101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.282731,"noise_level":-25.804308,"freq_skew":4.235108,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976985,"usec":267146},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697523,"noise_level":-22.726278,"freq_skew":2.778056,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":7.500000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976986,"usec":35741},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785885,"noise_level":-23.906353,"freq_skew":4.204371,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"CA0936","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976986,"usec":42287},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.160584,"noise_level":-24.712393,"freq_skew":2.534940,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976987,"usec":562970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269525,"noise_level":-24.259773,"freq_skew":4.081855,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976988,"usec":317838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036559,"noise_level":-24.943127,"freq_skew":4.349698,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5835,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976989,"usec":863672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090544,"noise_level":-24.407551,"freq_skew":3.179589,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976989,"usec":867928},"freq":136975000,"burst_len_octets":105,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.499633,"noise_level":-24.835081,"freq_skew":3.613110,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH02ET","msg_num":"M99","msg_num_seq":"A","msg_text":"00487209214NM3J5:,SJEEBVR*R5PY+9UJU6H*)U-(BB,,6 77R4E**,G)3MG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976994,"usec":425092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696346,"noise_level":-24.617344,"freq_skew":2.421795,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976995,"usec":177898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808578,"noise_level":-25.271389,"freq_skew":3.663164,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976996,"usec":731866},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854518,"noise_level":-24.656546,"freq_skew":3.711415,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":10.000000},"alt":29000}},{"name":"alternate_ground_stations","value":["1098FA","10910A","109D4A","10935A","109CBA","10902A","10981A","1092FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788976997,"usec":502484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028872,"noise_level":-25.017406,"freq_skew":2.358194,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977002,"usec":48686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598432,"noise_level":-23.082941,"freq_skew":5.020790,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977002,"usec":59139},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401486,"noise_level":-23.945971,"freq_skew":2.344319,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":400,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[250,253,86,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977002,"usec":870903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837989,"noise_level":-24.702782,"freq_skew":4.308302,"avlc":{"src":{"addr":"4CAE69","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977005,"usec":879532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262596,"noise_level":-23.912251,"freq_skew":3.062123,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977007,"usec":410358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.964956,"noise_level":-23.479675,"freq_skew":4.542331,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977008,"usec":160879},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.812532,"noise_level":-23.199009,"freq_skew":3.847464,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH02ET","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977009,"usec":738781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258022,"noise_level":-23.005056,"freq_skew":4.694309,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977010,"usec":480740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830327,"noise_level":-22.858973,"freq_skew":3.950337,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977012,"usec":757554},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797108,"noise_level":-22.897060,"freq_skew":3.852972,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977019,"usec":626388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.573630,"noise_level":-22.042372,"freq_skew":4.391492,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977020,"usec":408882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618030,"noise_level":-21.624054,"freq_skew":4.516376,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977028,"usec":31878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800734,"noise_level":-24.907438,"freq_skew":5.571929,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977028,"usec":784284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648523,"noise_level":-24.431671,"freq_skew":2.206110,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977031,"usec":872812},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.559969,"noise_level":-25.139856,"freq_skew":4.388945,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33239,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[254,224,30,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977034,"usec":912948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.628650,"noise_level":-23.564999,"freq_skew":5.483269,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977037,"usec":964197},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758668,"noise_level":-23.671188,"freq_skew":3.861338,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[181,136,85,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977038,"usec":745349},"freq":136975000,"burst_len_octets":145,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770358,"noise_level":-24.060041,"freq_skew":2.380105,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"CZ303D","msg_num":"D11","msg_num_seq":"J","sublabel":"DF","msg_text":"954 970 850 00 371 430 -130 -01\r\n 005 034 024 010 026 023 034\r\n 005 013 016 068 017 069 016"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977038,"usec":749462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350633,"noise_level":-24.018555,"freq_skew":5.726369,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977040,"usec":253388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832622,"noise_level":-23.447098,"freq_skew":2.621598,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977041,"usec":10964},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558720,"noise_level":-23.318874,"freq_skew":3.839825,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[181,136,85,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977041,"usec":761404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758025,"noise_level":-23.462360,"freq_skew":6.516180,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977043,"usec":287852},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769888,"noise_level":-23.204365,"freq_skew":5.724116,"avlc":{"src":{"addr":"4CAE60","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36396,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[117,242]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977043,"usec":288360},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404196,"noise_level":-23.204365,"freq_skew":6.092416,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23221176","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,126,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977044,"usec":94760},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539837,"noise_level":-24.986324,"freq_skew":2.284086,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[215,9,238,26]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12177,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[112,3,84,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":4,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977045,"usec":600683},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402570,"noise_level":-24.893942,"freq_skew":2.121034,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977046,"usec":364033},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575118,"noise_level":-25.821285,"freq_skew":6.148721,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977047,"usec":129283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115776,"noise_level":-25.135973,"freq_skew":6.169837,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977050,"usec":976275},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068956,"noise_level":-23.367611,"freq_skew":5.458710,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HJHK","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"XA0710","msg_num":"M66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977052,"usec":479582},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907740,"noise_level":-23.595573,"freq_skew":2.473034,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977052,"usec":487329},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806406,"noise_level":-23.491085,"freq_skew":2.352242,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977060,"usec":859094},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791913,"noise_level":-27.967323,"freq_skew":6.179240,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3781,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977062,"usec":401833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805961,"noise_level":-28.321276,"freq_skew":4.294840,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977064,"usec":706370},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.043409,"noise_level":-27.889629,"freq_skew":1.237666,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977065,"usec":461234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.578911,"noise_level":-28.513376,"freq_skew":4.196420,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977065,"usec":465369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.826035,"noise_level":-28.421284,"freq_skew":2.041599,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977066,"usec":221556},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.794673,"noise_level":-29.642038,"freq_skew":2.196974,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[45,213,33,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977066,"usec":226278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763062,"noise_level":-30.676062,"freq_skew":2.946654,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977069,"usec":248290},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518994,"noise_level":-28.346294,"freq_skew":5.650732,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HJHK","mode":"2","label":"_d","blk_id":"6","ack":"K","flight":"XA0710","msg_num":"M69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977069,"usec":254799},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605642,"noise_level":-28.188791,"freq_skew":3.410379,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977070,"usec":806830},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.659525,"noise_level":-27.360008,"freq_skew":2.086874,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[45,213,33,196]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977070,"usec":812379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433734,"noise_level":-28.241138,"freq_skew":3.147898,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977074,"usec":619864},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523764,"noise_level":-26.179905,"freq_skew":3.099966,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977075,"usec":376251},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487281,"noise_level":-26.788700,"freq_skew":4.101255,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":239,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977076,"usec":118665},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.893449,"noise_level":-26.731224,"freq_skew":4.685072,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127465","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,53,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977076,"usec":136376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301289,"noise_level":-26.398331,"freq_skew":1.918575,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977076,"usec":928276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760491,"noise_level":-26.201000,"freq_skew":2.565527,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977077,"usec":702402},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291868,"noise_level":-25.584860,"freq_skew":5.100610,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":6.300000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977078,"usec":448237},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.552749,"noise_level":-25.308430,"freq_skew":2.866637,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977078,"usec":453924},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562391,"noise_level":-25.212933,"freq_skew":2.327114,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"CZ303D","msg_num":"F08","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS180433,090926/DTEGLL,27L,423,190218,117/FNCSN303DE5D0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977079,"usec":214568},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180970,"noise_level":-24.856274,"freq_skew":1.226787,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":8656,"dst_ref":12024,"variable_part_params":[{"name":"atn_checksum","value":[29,43,208,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977079,"usec":971228},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021015,"noise_level":-25.277607,"freq_skew":6.818273,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12152,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[246,151,104,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977081,"usec":485625},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.631824,"noise_level":-24.521423,"freq_skew":4.617867,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977086,"usec":81880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601826,"noise_level":-22.601322,"freq_skew":4.193638,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977086,"usec":839210},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962119,"noise_level":-22.864878,"freq_skew":4.910082,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":207,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":341,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[108,110]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977086,"usec":844981},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692425,"noise_level":-23.928785,"freq_skew":1.341596,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977087,"usec":594046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924187,"noise_level":-23.753071,"freq_skew":4.183490,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977087,"usec":599223},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877371,"noise_level":-23.954937,"freq_skew":1.175235,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55335,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[150,165,114,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977089,"usec":118931},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924307,"noise_level":-24.210533,"freq_skew":1.313061,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55335,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[10,69,109,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977090,"usec":674277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132981,"noise_level":-23.893387,"freq_skew":1.366181,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977094,"usec":469272},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881294,"noise_level":-25.373507,"freq_skew":3.491527,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977094,"usec":477417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723164,"noise_level":-25.399990,"freq_skew":3.362858,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977095,"usec":994044},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553508,"noise_level":-25.658417,"freq_skew":1.319303,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":9.700000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977098,"usec":303443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238959,"noise_level":-26.514545,"freq_skew":3.727217,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977098,"usec":310121},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.508251,"noise_level":-26.404907,"freq_skew":5.832320,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4846,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977100,"usec":583164},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665530,"noise_level":-25.680347,"freq_skew":1.275248,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977100,"usec":589341},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064973,"noise_level":-25.564194,"freq_skew":1.191770,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55336,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[44,119,109,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977101,"usec":348693},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664810,"noise_level":-25.208935,"freq_skew":2.311847,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":73,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977104,"usec":415288},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649282,"noise_level":-24.761944,"freq_skew":3.660228,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"LH05AA","msg_num":"M14","msg_num_seq":"A","msg_text":"00097234279O:,+71 1 RR*+8HOQ+30,A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977105,"usec":928541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.053290,"noise_level":-24.152622,"freq_skew":3.723230,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977106,"usec":696896},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.073925,"noise_level":-24.393223,"freq_skew":3.901844,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977107,"usec":447112},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616138,"noise_level":-24.151743,"freq_skew":5.902088,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAX","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR77MD","msg_num":"M02","msg_num_seq":"A","msg_text":"180500,96024,1824, 77,N 49.978 E 8.594"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977107,"usec":450461},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092435,"noise_level":-24.123768,"freq_skew":4.648582,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":208,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36287,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[162,18]},{"name":"flow_control","value":{"acked_tpdu_nr":15,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977108,"usec":202848},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841375,"noise_level":-25.017786,"freq_skew":3.673785,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"LH05AA","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977108,"usec":213744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.426916,"noise_level":-24.849176,"freq_skew":6.257018,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977108,"usec":968203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846475,"noise_level":-24.565437,"freq_skew":6.262537,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977109,"usec":732987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132486,"noise_level":-25.123119,"freq_skew":2.395838,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977110,"usec":540138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.379904,"noise_level":-25.589142,"freq_skew":2.347914,"avlc":{"src":{"addr":"45D065","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977112,"usec":49381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.933568,"noise_level":-24.875423,"freq_skew":3.871781,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977116,"usec":593887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127868,"noise_level":-23.600653,"freq_skew":1.226363,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977119,"usec":684105},"freq":136975000,"burst_len_octets":134,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715926,"noise_level":-22.662060,"freq_skew":2.299370,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-20AA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"CZ303D","msg_num":"F09","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN50335E007316,DITAM,180511,229,OBOKA,180710,OLPEX,M27,31529,510/TS180511,0909268E0A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977121,"usec":957409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357433,"noise_level":-25.008373,"freq_skew":2.225363,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977125,"usec":787220},"freq":136975000,"burst_len_octets":77,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664692,"noise_level":-25.592064,"freq_skew":5.372405,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH06YJ","msg_num":"M33","msg_num_seq":"A","msg_text":"0099223428591WDD+G+D,,X1K0,,Y4KYV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977129,"usec":580942},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035957,"noise_level":-26.557083,"freq_skew":4.420455,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977131,"usec":910867},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319274,"noise_level":-27.214062,"freq_skew":2.950491,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977131,"usec":920727},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.458163,"noise_level":-28.114920,"freq_skew":4.634744,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":488,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":334,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[2,31,83,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977134,"usec":190284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.938404,"noise_level":-28.382618,"freq_skew":4.623297,"avlc":{"src":{"addr":"408051","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977134,"usec":950412},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043938,"noise_level":-28.642693,"freq_skew":2.820975,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977140,"usec":287724},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843468,"noise_level":-25.442921,"freq_skew":3.624607,"avlc":{"src":{"addr":"461F6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12197,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[181,136,85,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977141,"usec":60807},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987817,"noise_level":-24.953110,"freq_skew":5.715178,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4847,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32527,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[42,108]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977142,"usec":565983},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754051,"noise_level":-24.217045,"freq_skew":1.365571,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBZ","mode":"2","label":"1L","blk_id":"6","ack":"!","flight":"OS249Z","msg_num":"M16","msg_num_seq":"A","msg_text":"00090266253CALVLR7LL-A,VXQOLA(RQLVXX(HLTQ,-RXFFFQOQAQ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977144,"usec":95164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313071,"noise_level":-23.538513,"freq_skew":4.907203,"avlc":{"src":{"addr":"3C658B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977144,"usec":886115},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983799,"noise_level":-23.043766,"freq_skew":6.667168,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977145,"usec":645573},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751100,"noise_level":-23.067293,"freq_skew":6.791421,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12152,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[66,247,16,167]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12152,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[24,123,20,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":5,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977146,"usec":410260},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483780,"noise_level":-22.680368,"freq_skew":4.840132,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2824,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":155755},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621827,"noise_level":-22.539604,"freq_skew":6.722764,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12152,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[33,230,7,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":5,"sec":44}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":171042},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901195,"noise_level":-22.355394,"freq_skew":6.770364,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":172013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539979,"noise_level":-22.970545,"freq_skew":1.208718,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":174436},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.706316,"noise_level":-22.909620,"freq_skew":6.692690,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":934061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.507478,"noise_level":-22.658302,"freq_skew":6.831120,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977147,"usec":935986},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.509589,"noise_level":-22.622986,"freq_skew":4.221714,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":398,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":332,"credit":3,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[22,165,96,45]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977148,"usec":686109},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137084,"noise_level":-22.448528,"freq_skew":4.293910,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977148,"usec":686109},"freq":136975000,"burst_len_octets":30,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.137084,"noise_level":-22.448528,"freq_skew":4.293910,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977151,"usec":11512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321311,"noise_level":-22.013367,"freq_skew":4.494181,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXU","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"DS94WL","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977151,"usec":749497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997701,"noise_level":-21.882927,"freq_skew":5.006310,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977151,"usec":753689},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307614,"noise_level":-22.657345,"freq_skew":6.531374,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":594,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12152,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[151,196,66,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977154,"usec":790150},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.103856,"noise_level":-22.225561,"freq_skew":4.075161,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXU","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"DS94WL","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977154,"usec":790150},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.103856,"noise_level":-22.225561,"freq_skew":4.075161,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22615056","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,90,83,0,75,26,46,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977157,"usec":63464},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442465,"noise_level":-21.758980,"freq_skew":2.923698,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977157,"usec":882282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615335,"noise_level":-21.975609,"freq_skew":6.848370,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977158,"usec":622944},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830250,"noise_level":-21.792183,"freq_skew":4.167922,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":402,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":1}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977159,"usec":388625},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994467,"noise_level":-21.623018,"freq_skew":5.181503,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZED","mode":"2","label":"H2","blk_id":"3","ack":"!","flight":"U254ED","msg_num":"M72","msg_num_seq":"A","msg_text":"02E09EGKKEDDLN50480E00516917582900M435321032G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977159,"usec":398934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.872344,"noise_level":-22.780569,"freq_skew":4.249512,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977160,"usec":898192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.705291,"noise_level":-22.360229,"freq_skew":5.130360,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977167,"usec":23545},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025067,"noise_level":-23.775143,"freq_skew":1.377002,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCL","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"LX03BY","msg_num":"S68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977168,"usec":545262},"freq":136975000,"burst_len_octets":166,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755816,"noise_level":-25.016325,"freq_skew":5.396331,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH03FT","msg_num":"D50","msg_num_seq":"F","sublabel":"DF","msg_text":"8,03951,W/WT0569,25WW,014,EE5,194,W-LEYJ-0,2/2NE+DE,00JWLEE192,00Y2OLWW6,22-LW+UL0/2X1481LEE00ELE18,00DLEYOL019,0++,2/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977169,"usec":309155},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.795520,"noise_level":-26.393492,"freq_skew":1.125601,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614003","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,24,3,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977169,"usec":314368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948582,"noise_level":-26.321259,"freq_skew":1.147300,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LX03BY","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977170,"usec":863971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763710,"noise_level":-25.696829,"freq_skew":5.520081,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977171,"usec":632766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297134,"noise_level":-25.860424,"freq_skew":1.130893,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977173,"usec":140225},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.502495,"noise_level":-26.277721,"freq_skew":1.633281,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977173,"usec":140602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759359,"noise_level":-26.277721,"freq_skew":1.284658,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977176,"usec":165064},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.987554,"noise_level":-25.910355,"freq_skew":3.528795,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977185,"usec":351110},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955590,"noise_level":-22.850117,"freq_skew":6.614922,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWJ","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"4X02WJ","msg_num":"J27","msg_num_seq":"A","msg_text":"/EDDS.TI2/000EDDSA8A82"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977186,"usec":870247},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.296379,"noise_level":-22.346449,"freq_skew":5.896885,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4848,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32527,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[111,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977187,"usec":627305},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.596900,"noise_level":-22.147005,"freq_skew":3.983153,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":60,"dst_ref":12217,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,1]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[117,188,227,159]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977188,"usec":383377},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963483,"noise_level":-22.093864,"freq_skew":4.211443,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-SWB","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"QS4362","msg_num":"198","msg_num_seq":"H","sublabel":"T1","msg_text":"010101011N01010101010101010101"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977188,"usec":384321},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160913,"noise_level":-22.479410,"freq_skew":6.605625,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWJ","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"4X02WJ","msg_num":"J27","msg_num_seq":"A","msg_text":"/EDDS.TI2/000EDDSA8A82"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977190,"usec":656744},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617775,"noise_level":-22.326900,"freq_skew":2.206871,"avlc":{"src":{"addr":"78168F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":75,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32519,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[151,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977193,"usec":1982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269827,"noise_level":-24.244442,"freq_skew":3.831576,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977196,"usec":791348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.085477,"noise_level":-22.798313,"freq_skew":4.716682,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977197,"usec":527232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.234299,"noise_level":-22.632084,"freq_skew":1.743317,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977199,"usec":99733},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215029,"noise_level":-23.132666,"freq_skew":1.790256,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":36,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977202,"usec":156319},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.254725,"noise_level":-23.176617,"freq_skew":1.630657,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977202,"usec":158342},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783488,"noise_level":-24.320538,"freq_skew":2.757194,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A4O-SH","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"WY0118","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977202,"usec":904473},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644930,"noise_level":-24.962395,"freq_skew":2.996093,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"34140376","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,79,77,65,0,112,192,254,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977208,"usec":252128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170264,"noise_level":-24.818485,"freq_skew":4.508625,"avlc":{"src":{"addr":"440CC1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977208,"usec":257246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809517,"noise_level":-24.758186,"freq_skew":2.686613,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977208,"usec":262564},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850749,"noise_level":-24.751501,"freq_skew":2.840205,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":19,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":22,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977209,"usec":5913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340543,"noise_level":-25.900234,"freq_skew":4.687989,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977209,"usec":768606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251202,"noise_level":-25.449541,"freq_skew":2.651512,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977209,"usec":769459},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526475,"noise_level":-25.433290,"freq_skew":2.830704,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977209,"usec":769459},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.526475,"noise_level":-25.433290,"freq_skew":2.830704,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977211,"usec":341040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488331,"noise_level":-24.612772,"freq_skew":5.204659,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977213,"usec":614361},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407844,"noise_level":-25.095982,"freq_skew":2.739718,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977214,"usec":386934},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898336,"noise_level":-24.621605,"freq_skew":2.897210,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977215,"usec":127873},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500831,"noise_level":-24.504105,"freq_skew":2.607114,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":605,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32525,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[29,118,128,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977215,"usec":884246},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.900001,"noise_level":-24.609676,"freq_skew":3.875452,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".OK-SWB","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"QS4362","msg_num":"199","msg_num_seq":"H","sublabel":"T1","msg_text":"000000000000009A02DJ0K008B332K6BJ10I68E134V00059J00006A330K134VJ153000B952K008B0I98D02CU000001GG0IO0069133329XXHF000J328B05304E0000000000000000000000000000000000000Z02L3B2T0UU0AS0V82F901MN029F32K4E51H2E1D04"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977215,"usec":895814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137469,"noise_level":-24.448734,"freq_skew":2.937329,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977216,"usec":649559},"freq":136975000,"burst_len_octets":129,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769834,"noise_level":-25.203264,"freq_skew":2.942374,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":21,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":5,"ack":27,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,79,77,65,0,112,192,254]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,79,77,65,0,112,192,254]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977217,"usec":401649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564864,"noise_level":-24.907915,"freq_skew":2.793700,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977220,"usec":487348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.778954,"noise_level":-24.515491,"freq_skew":2.696391,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977237,"usec":272228},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.580012,"noise_level":-23.803568,"freq_skew":1.886638,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36423,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[207,75,122,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977238,"usec":839413},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757352,"noise_level":-23.080809,"freq_skew":3.917254,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"10","blk_id":"9","ack":"!","flight":"CA0936","msg_num":"M05","msg_num_seq":"A","msg_text":"POS091807,N50.706,E009.351,0409, 792182,21270,159988"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977239,"usec":585027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419957,"noise_level":-23.481924,"freq_skew":1.735235,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977241,"usec":115276},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023923,"noise_level":-23.814713,"freq_skew":1.411554,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":634,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977241,"usec":862733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600688,"noise_level":-23.641270,"freq_skew":1.667167,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977244,"usec":886926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.607776,"noise_level":-24.622818,"freq_skew":1.367056,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977247,"usec":211081},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178735,"noise_level":-24.020710,"freq_skew":2.833448,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977247,"usec":980196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919728,"noise_level":-24.856213,"freq_skew":4.077081,"avlc":{"src":{"addr":"48ADAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977247,"usec":988093},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284911,"noise_level":-24.750509,"freq_skew":1.845517,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977249,"usec":485264},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016746,"noise_level":-24.072275,"freq_skew":1.882334,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":42,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8167,"dst_ref":36424,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[99,111]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[143,34,25,147]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977251,"usec":29662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.786290,"noise_level":-23.340508,"freq_skew":4.417847,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977252,"usec":571890},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879135,"noise_level":-23.016214,"freq_skew":3.735977,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977252,"usec":587366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148081,"noise_level":-22.913689,"freq_skew":1.952197,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977253,"usec":329874},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711158,"noise_level":-22.817043,"freq_skew":0.625585,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":404,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977253,"usec":341382},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217038,"noise_level":-23.005398,"freq_skew":1.924633,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":45,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[186,233,167,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977254,"usec":841992},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783240,"noise_level":-22.632914,"freq_skew":3.765061,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"9","ack":"M","flight":"LH02ET","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977254,"usec":854870},"freq":136975000,"burst_len_octets":139,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869524,"noise_level":-22.962368,"freq_skew":4.216772,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LUE","mode":"2","label":"5U","blk_id":"7","ack":"!","flight":"EC14AH","msg_num":"M40","msg_num_seq":"A","msg_text":"LIMC LIME LSGG LFMN-FT"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977254,"usec":854870},"freq":136975000,"burst_len_octets":139,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.869524,"noise_level":-22.962368,"freq_skew":4.216772,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21000425","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,74,85,0,68,1,21,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977255,"usec":622609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615869,"noise_level":-22.666519,"freq_skew":3.999953,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977256,"usec":351937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049156,"noise_level":-22.560898,"freq_skew":1.724770,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977259,"usec":437212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958302,"noise_level":-24.046249,"freq_skew":1.898143,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977260,"usec":214983},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.593128,"noise_level":-23.977482,"freq_skew":2.789036,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977262,"usec":484645},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733331,"noise_level":-23.208620,"freq_skew":3.587455,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"0","ack":"N","flight":"LH02ET","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977263,"usec":228996},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804406,"noise_level":-23.083843,"freq_skew":4.094009,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LUE","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"EC14AH","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977263,"usec":242824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104449,"noise_level":-22.948631,"freq_skew":4.071074,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977263,"usec":991735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736807,"noise_level":-23.882584,"freq_skew":0.653615,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977263,"usec":997218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.153037,"noise_level":-23.814941,"freq_skew":3.214331,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977264,"usec":5646},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633633,"noise_level":-23.694494,"freq_skew":4.114293,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LUE","mode":"2","label":"_d","blk_id":"9","ack":"Q","flight":"EC14AH","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977265,"usec":541423},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377880,"noise_level":-23.381233,"freq_skew":4.004067,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LUE","mode":"2","label":"_d","blk_id":"0","ack":"R","flight":"EC14AH","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977266,"usec":313110},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915161,"noise_level":-23.863089,"freq_skew":4.375857,"avlc":{"src":{"addr":"440115","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LUE","mode":"2","label":"_d","blk_id":"1","ack":"S","flight":"EC14AH","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977268,"usec":578343},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923622,"noise_level":-22.999546,"freq_skew":5.538708,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32527,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,81]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":7,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977270,"usec":101509},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528036,"noise_level":-23.452330,"freq_skew":5.567857,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977270,"usec":871778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023294,"noise_level":-22.986797,"freq_skew":5.482999,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977270,"usec":872263},"freq":136975000,"burst_len_octets":148,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564411,"noise_level":-22.986797,"freq_skew":3.432903,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINX","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH05AA","msg_num":"D38","msg_num_seq":"L","sublabel":"DF","msg_text":"27,005,N04,176,40,18153,2/2V0065,N137,03280,00384,213,217,208,0/2X1481,N0250,057,020,045,036,009,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977271,"usec":625975},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568511,"noise_level":-23.743702,"freq_skew":5.794369,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4852,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":26,"dst_ref":7876,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[112,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":512},{"name":"checksum","value":[142,203]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977272,"usec":437277},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279614,"noise_level":-23.300741,"freq_skew":3.612755,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977273,"usec":184474},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.406377,"noise_level":-23.345566,"freq_skew":3.977459,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5426,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977275,"usec":461241},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.470799,"noise_level":-22.515831,"freq_skew":4.048993,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977278,"usec":501250},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423612,"noise_level":-21.385803,"freq_skew":2.720215,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977278,"usec":504281},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.032844,"noise_level":-21.355289,"freq_skew":2.518129,"avlc":{"src":{"addr":"3C648E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977279,"usec":247131},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672563,"noise_level":-21.244320,"freq_skew":3.693169,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH02ET","msg_num":"358","msg_num_seq":"A","sublabel":"T3","msg_text":"12(TJ9TVL0YZZ0 5:O/JUUI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977280,"usec":824423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.417230,"noise_level":-22.055744,"freq_skew":3.955438,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977281,"usec":578119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075166,"noise_level":-21.870636,"freq_skew":3.479531,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977281,"usec":584876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.647427,"noise_level":-22.763617,"freq_skew":4.881835,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977281,"usec":588587},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758720,"noise_level":-22.727871,"freq_skew":3.800089,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"2","ack":"O","flight":"LH02ET","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977283,"usec":856842},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647569,"noise_level":-22.620085,"freq_skew":9.125926,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":39,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977285,"usec":412877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283198,"noise_level":-23.061424,"freq_skew":3.428813,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977286,"usec":175440},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195808,"noise_level":-23.102859,"freq_skew":1.028454,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977286,"usec":177088},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615257,"noise_level":-23.090454,"freq_skew":1.058423,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55336,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,98,223,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977287,"usec":682857},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044685,"noise_level":-22.646175,"freq_skew":3.779194,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"3","ack":"P","flight":"LH02ET","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977287,"usec":685226},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163109,"noise_level":-22.622646,"freq_skew":4.102993,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-SWB","mode":"2","label":"_d","blk_id":"8","ack":"M","flight":"QS4362","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977287,"usec":692852},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202987,"noise_level":-22.529167,"freq_skew":1.376528,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55336,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[111,142,163,132]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":8,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977288,"usec":447504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548401,"noise_level":-23.152151,"freq_skew":9.170805,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977290,"usec":733252},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985867,"noise_level":-23.310970,"freq_skew":3.885801,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977292,"usec":245087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934142,"noise_level":-25.899525,"freq_skew":1.368330,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977293,"usec":807111},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553654,"noise_level":-25.051462,"freq_skew":2.628153,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977294,"usec":563486},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882387,"noise_level":-25.170839,"freq_skew":4.151351,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISL","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH05TY","msg_num":"S92","msg_num_seq":"A","msg_text":"0EV180807V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":8,"sec":7}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977296,"usec":850348},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.969409,"noise_level":-25.189974,"freq_skew":4.193100,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5254,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[144,247]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977297,"usec":593066},"freq":136975000,"burst_len_octets":113,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975571,"noise_level":-24.971712,"freq_skew":3.964272,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":5254,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,131]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4838357,0]}},"ae_qualifier":{"choice":"ae-qualifier-form2","data":{"ae_qualifier_form2":1}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"TVS4362","long_tsap":{"rdp":[65,84,86,83,0],"short_tsap":{"ars":[73,211,213],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,84,86,83,0],"short_tsap":{"ars":[73,211,213],"loc_sys_nsel_tsel":[0,0,0,0,0,0,0,1,1,2,2]}}}}}}],"departure_airport":"LKKV","destination_airport":"LTAI"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977297,"usec":602953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703039,"noise_level":-24.834242,"freq_skew":3.809963,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977300,"usec":680101},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785375,"noise_level":-23.673248,"freq_skew":3.398089,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DTO","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC5407","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977301,"usec":438693},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387021,"noise_level":-23.424927,"freq_skew":3.099872,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":47,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977302,"usec":953264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696913,"noise_level":-22.791485,"freq_skew":3.874328,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977304,"usec":464781},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117447,"noise_level":-23.126106,"freq_skew":3.054511,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977306,"usec":780979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930815,"noise_level":-24.461355,"freq_skew":3.649950,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977306,"usec":788573},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524632,"noise_level":-24.360323,"freq_skew":3.206348,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977308,"usec":291353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758448,"noise_level":-25.184246,"freq_skew":3.761302,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977309,"usec":59538},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835606,"noise_level":-24.842129,"freq_skew":3.905435,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"5","ack":"Q","flight":"LH02ET","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977309,"usec":66896},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.000548,"noise_level":-25.853989,"freq_skew":3.184086,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977312,"usec":881887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995069,"noise_level":-26.719204,"freq_skew":4.391483,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977313,"usec":659488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488400,"noise_level":-26.855461,"freq_skew":2.989825,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977314,"usec":429006},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057664,"noise_level":-26.210636,"freq_skew":4.142809,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977315,"usec":158929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464307,"noise_level":-26.069736,"freq_skew":5.475651,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977315,"usec":936232},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988312,"noise_level":-25.602282,"freq_skew":3.813771,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"6","ack":"R","flight":"LH02ET","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977317,"usec":441607},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204616,"noise_level":-24.964102,"freq_skew":4.276426,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIML"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.100000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977318,"usec":202318},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.155333,"noise_level":-24.617319,"freq_skew":3.080275,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,73,84,89,0,76,168,47,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977318,"usec":215304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068922,"noise_level":-24.427269,"freq_skew":3.904980,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977318,"usec":217968},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735539,"noise_level":-24.369617,"freq_skew":4.746508,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977319,"usec":14833},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517272,"noise_level":-24.114822,"freq_skew":4.455966,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977319,"usec":18713},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368129,"noise_level":-24.073076,"freq_skew":3.805320,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"LH02ET","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977319,"usec":755530},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884207,"noise_level":-24.235329,"freq_skew":4.394462,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-ICD","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"EC5075","msg_num":"S98","msg_num_seq":"A","msg_text":"0EV180836V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":8,"sec":36}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977321,"usec":301579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998181,"noise_level":-23.849771,"freq_skew":5.051064,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977322,"usec":32028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566447,"noise_level":-23.795818,"freq_skew":4.835560,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977323,"usec":567487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982794,"noise_level":-23.622364,"freq_skew":6.691378,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977325,"usec":897914},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484122,"noise_level":-22.707491,"freq_skew":5.419294,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":48,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977328,"usec":173907},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.159301,"noise_level":-23.629620,"freq_skew":3.750902,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977328,"usec":910908},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406178,"noise_level":-23.293232,"freq_skew":6.829139,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":596,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977328,"usec":912295},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.348843,"noise_level":-23.242619,"freq_skew":3.711198,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"9","ack":"U","flight":"LH02ET","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977331,"usec":184898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880951,"noise_level":-22.367220,"freq_skew":3.889883,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977335,"usec":23782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802846,"noise_level":-21.730282,"freq_skew":3.588836,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"1","ack":"W","flight":"LH02ET","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977335,"usec":26118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494030,"noise_level":-22.514339,"freq_skew":3.816228,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977337,"usec":318995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817883,"noise_level":-21.507607,"freq_skew":3.783325,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977338,"usec":53606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945323,"noise_level":-21.364143,"freq_skew":3.765557,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977338,"usec":819856},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079373,"noise_level":-21.477213,"freq_skew":6.695728,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977341,"usec":908985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904310,"noise_level":-21.505562,"freq_skew":4.036711,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977343,"usec":432760},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.276892,"noise_level":-22.935970,"freq_skew":1.667959,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55341,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,3,113,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977344,"usec":924318},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914288,"noise_level":-23.642904,"freq_skew":2.999976,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977345,"usec":685723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642358,"noise_level":-24.771194,"freq_skew":5.773110,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977346,"usec":488328},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405593,"noise_level":-24.388584,"freq_skew":4.059187,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977348,"usec":25368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687918,"noise_level":-24.586922,"freq_skew":3.506774,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977351,"usec":57874},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.606952,"noise_level":-25.698837,"freq_skew":1.064597,"avlc":{"src":{"addr":"4B1803","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":409,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55336,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[29,118,157,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977352,"usec":566620},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352608,"noise_level":-26.715393,"freq_skew":3.610054,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":247,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12217,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[43,240,235,221]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":9,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977352,"usec":571153},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748319,"noise_level":-26.640444,"freq_skew":3.203845,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977354,"usec":134743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558430,"noise_level":-27.463688,"freq_skew":3.630363,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977356,"usec":405149},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-15.956951,"noise_level":-28.572863,"freq_skew":3.285066,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977356,"usec":415405},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964427,"noise_level":-28.388390,"freq_skew":1.542078,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":47,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[26,108,90,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977357,"usec":159487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.241454,"noise_level":-28.721546,"freq_skew":5.037290,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977361,"usec":6086},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506951,"noise_level":-29.060207,"freq_skew":5.554477,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3782,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977361,"usec":9863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.633937,"noise_level":-28.986568,"freq_skew":2.165992,"avlc":{"src":{"addr":"4CA63A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977361,"usec":15637},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.620754,"noise_level":-28.841141,"freq_skew":3.437559,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977361,"usec":758785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789315,"noise_level":-28.604042,"freq_skew":3.181667,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977362,"usec":523227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.085204,"noise_level":-29.625381,"freq_skew":4.014095,"avlc":{"src":{"addr":"49D3D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977365,"usec":548671},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961668,"noise_level":-30.236502,"freq_skew":5.569628,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977365,"usec":548980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.639781,"noise_level":-30.236502,"freq_skew":4.505538,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977365,"usec":561876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775500,"noise_level":-29.931446,"freq_skew":3.566698,"avlc":{"src":{"addr":"3C65D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977365,"usec":564061},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.100078,"noise_level":-30.542976,"freq_skew":3.916085,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH02ET","msg_num":"M03","msg_num_seq":"A","msg_text":"0048923428319OQO+E,E4BB,Y+9(KYY2LV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977366,"usec":367355},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.615809,"noise_level":-29.841137,"freq_skew":3.604967,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977367,"usec":878202},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725535,"noise_level":-28.859074,"freq_skew":2.827165,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":348,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977367,"usec":880759},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.084457,"noise_level":-28.811035,"freq_skew":4.782261,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[140,244,110,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977368,"usec":633575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161833,"noise_level":-28.390236,"freq_skew":3.809998,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977370,"usec":150201},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.562652,"noise_level":-28.459902,"freq_skew":4.631207,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[225,193,160,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977373,"usec":189520},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472127,"noise_level":-26.492168,"freq_skew":5.591547,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4853,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32527,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[40,107]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977373,"usec":977152},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.209313,"noise_level":-27.052366,"freq_skew":2.520948,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026571","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,121,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977375,"usec":500971},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.564223,"noise_level":-26.920755,"freq_skew":2.405960,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977376,"usec":253084},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.999156,"noise_level":-27.977520,"freq_skew":1.484504,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":8.900001},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977377,"usec":21300},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722720,"noise_level":-29.311152,"freq_skew":1.260795,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977377,"usec":786794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.356644,"noise_level":-28.675308,"freq_skew":1.366428,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977379,"usec":298433},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734580,"noise_level":-27.653105,"freq_skew":1.371430,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":407,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12177,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[165,236,74,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977381,"usec":632170},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875419,"noise_level":-26.806890,"freq_skew":4.326940,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977383,"usec":887722},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352388,"noise_level":-25.797956,"freq_skew":3.388604,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977384,"usec":665286},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973580,"noise_level":-25.251581,"freq_skew":4.377853,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":430,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977389,"usec":998068},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825139,"noise_level":-23.370968,"freq_skew":3.889756,"avlc":{"src":{"addr":"451E8B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977389,"usec":998552},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760656,"noise_level":-23.358173,"freq_skew":5.558282,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4854,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32527,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[96,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977392,"usec":262319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901175,"noise_level":-22.587852,"freq_skew":5.636753,"avlc":{"src":{"addr":"3C496A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977392,"usec":265422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.119967,"noise_level":-22.460089,"freq_skew":4.604314,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977393,"usec":45703},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501524,"noise_level":-22.456169,"freq_skew":4.251120,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977395,"usec":361610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193358,"noise_level":-23.151569,"freq_skew":6.558319,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977396,"usec":861202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468256,"noise_level":-22.595432,"freq_skew":3.285214,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977396,"usec":862717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323174,"noise_level":-22.851738,"freq_skew":4.207609,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977398,"usec":398301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776494,"noise_level":-23.153500,"freq_skew":3.448023,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977402,"usec":979787},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735990,"noise_level":-25.488188,"freq_skew":3.084837,"avlc":{"src":{"addr":"3C64A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977406,"usec":30112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840930,"noise_level":-25.566509,"freq_skew":3.007166,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977413,"usec":659364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891653,"noise_level":-23.485594,"freq_skew":3.000721,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977419,"usec":754603},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.300092,"noise_level":-21.337664,"freq_skew":1.974841,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977426,"usec":629791},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662585,"noise_level":-20.507238,"freq_skew":3.525837,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"36013265","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,67,65,0,120,22,181,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977427,"usec":438947},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.902467,"noise_level":-20.793209,"freq_skew":2.686419,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977427,"usec":443823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165823,"noise_level":-20.755224,"freq_skew":3.366776,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977429,"usec":727745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878005,"noise_level":-21.087631,"freq_skew":4.953906,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977431,"usec":232418},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094594,"noise_level":-22.037678,"freq_skew":3.115761,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.400002,"lon":10.000000},"alt":38000}},{"name":"alternate_ground_stations","value":["10900A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977432,"usec":736116},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393241,"noise_level":-21.734983,"freq_skew":5.274124,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HJHK","mode":"2","label":"_d","blk_id":"0","ack":"M","flight":"XA0710","msg_num":"M72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977437,"usec":343081},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415910,"noise_level":-22.745401,"freq_skew":5.336937,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HJHK","mode":"2","label":"_d","blk_id":"2","ack":"O","flight":"XA0710","msg_num":"M74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977441,"usec":171841},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.640298,"noise_level":-24.851421,"freq_skew":3.286863,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DTO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EC5407","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977441,"usec":927536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769811,"noise_level":-24.479877,"freq_skew":7.237322,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977441,"usec":931307},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961897,"noise_level":-25.319185,"freq_skew":1.767289,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[26,108,90,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977441,"usec":931714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043571,"noise_level":-25.303175,"freq_skew":3.146930,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977446,"usec":491476},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588818,"noise_level":-25.042850,"freq_skew":5.108537,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2825,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977448,"usec":56739},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504260,"noise_level":-24.955338,"freq_skew":4.762081,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977449,"usec":570154},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790373,"noise_level":-25.293438,"freq_skew":4.970545,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977451,"usec":848141},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207748,"noise_level":-25.365601,"freq_skew":1.688739,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[26,108,90,67]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977455,"usec":670846},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431024,"noise_level":-23.567570,"freq_skew":5.000596,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"LIMC"},{"name":"ac_location","value":{"loc":{"lat":47.400002,"lon":8.900001},"alt":0}},{"name":"alternate_ground_stations","value":["109ACA","10935A","10943A","10981A","10990A","1098FA","109CBA","10911A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977457,"usec":944895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226431,"noise_level":-22.636917,"freq_skew":5.191419,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977458,"usec":731544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106917,"noise_level":-22.089706,"freq_skew":1.512403,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977462,"usec":545876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.524058,"noise_level":-21.340260,"freq_skew":1.427255,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977464,"usec":72745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.446795,"noise_level":-21.228554,"freq_skew":1.599254,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977464,"usec":89752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650074,"noise_level":-21.060102,"freq_skew":4.934062,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977464,"usec":819967},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593964,"noise_level":-21.349030,"freq_skew":4.540999,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":439,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[125,187,159,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977466,"usec":351458},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970516,"noise_level":-21.740267,"freq_skew":5.056084,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977467,"usec":98720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950235,"noise_level":-22.680874,"freq_skew":1.511788,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977467,"usec":909526},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.222945,"noise_level":-22.540100,"freq_skew":2.080920,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55341,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,3,113,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977467,"usec":911071},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800434,"noise_level":-22.516857,"freq_skew":1.488266,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":49,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[16,182,217,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977468,"usec":663989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.235499,"noise_level":-22.299107,"freq_skew":4.353231,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977473,"usec":970020},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877818,"noise_level":-21.634237,"freq_skew":5.016611,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"LH06YJ","msg_num":"M34","msg_num_seq":"A","msg_text":"00993209211G:8+P+W22:8Q0)TY)P6J:J++BK3SROS9UYY5T)M3**71RR-1821V"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977474,"usec":786238},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026469,"noise_level":-22.618925,"freq_skew":1.657760,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":52,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[131,86,212,34]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977483,"usec":932026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.212285,"noise_level":-20.928307,"freq_skew":9.111936,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977486,"usec":220234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635998,"noise_level":-20.896103,"freq_skew":3.628520,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977488,"usec":531079},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871150,"noise_level":-20.880634,"freq_skew":2.704534,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977492,"usec":329182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123832,"noise_level":-20.607386,"freq_skew":5.463843,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977493,"usec":74627},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.393076,"noise_level":-21.889740,"freq_skew":4.936441,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":341,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[124,92]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977494,"usec":653505},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.068241,"noise_level":-21.184919,"freq_skew":2.446198,"avlc":{"src":{"addr":"3C5EF8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWX","mode":"2","label":"_d","blk_id":"9","ack":"W","flight":"EW002Q","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977496,"usec":149729},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224845,"noise_level":-20.881651,"freq_skew":1.646887,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977501,"usec":498795},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.409340,"noise_level":-20.028763,"freq_skew":4.376759,"avlc":{"src":{"addr":"4CAF35","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127465","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,53,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977503,"usec":794121},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.000840,"noise_level":-21.989819,"freq_skew":3.710239,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977504,"usec":550320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709292,"noise_level":-22.120579,"freq_skew":4.445867,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":443,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977504,"usec":550993},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.352515,"noise_level":-22.120579,"freq_skew":3.164194,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH0865","msg_num":"S56","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977506,"usec":813914},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096303,"noise_level":-21.572741,"freq_skew":3.295588,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":52.200001,"lon":10.000000},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977507,"usec":577898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928186,"noise_level":-21.296118,"freq_skew":3.843704,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977508,"usec":388229},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654034,"noise_level":-22.114202,"freq_skew":5.342964,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977509,"usec":892345},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854289,"noise_level":-21.734818,"freq_skew":2.632828,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977510,"usec":652264},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.270241,"noise_level":-21.494236,"freq_skew":2.458601,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":609,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32525,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[184,27,44,103]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977511,"usec":410724},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.796671,"noise_level":-21.260138,"freq_skew":4.887584,"avlc":{"src":{"addr":"400111","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977518,"usec":289961},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.747792,"noise_level":-20.733200,"freq_skew":4.555714,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWO","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR05LR","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977519,"usec":809554},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.723560,"noise_level":-20.246202,"freq_skew":3.341689,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"MA","blk_id":"2","ack":"!","flight":"CA0936","msg_num":"U45","msg_num_seq":"B","msg_text":"&GL5d77[<`7TX'lrfI6M5_ALr\"/$%*;Ua%TfQXsmU#qo"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977519,"usec":813368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910426,"noise_level":-20.519680,"freq_skew":2.393201,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977522,"usec":114475},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.294801,"noise_level":-20.612854,"freq_skew":2.628188,"avlc":{"src":{"addr":"502D79","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32525,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[204,252,38,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977525,"usec":168315},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700272,"noise_level":-19.577240,"freq_skew":5.146281,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCG","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"FR303F","msg_num":"M25","msg_num_seq":"A","msg_text":"181203,M130032,1850, 162,N 47.271 E 8.942"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977527,"usec":443408},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721214,"noise_level":-20.559536,"freq_skew":5.168630,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977528,"usec":995443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316019,"noise_level":-20.143517,"freq_skew":3.307586,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977529,"usec":4635},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054732,"noise_level":-20.073156,"freq_skew":3.171071,"avlc":{"src":{"addr":"7816B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".B-308M","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"CA0936","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977529,"usec":749485},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994392,"noise_level":-19.986000,"freq_skew":2.591066,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977529,"usec":771733},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.680964,"noise_level":-20.887892,"freq_skew":1.806840,"avlc":{"src":{"addr":"3C56F5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55341,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[95,3,113,86]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977534,"usec":314227},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756445,"noise_level":-21.390894,"freq_skew":2.562088,"avlc":{"src":{"addr":"70C0FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A4O-SH","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"WY0118","msg_num":"E00","msg_num_seq":"B","sublabel":"EI","msg_text":"0 ;;;;;;;;;;;\r\n11 ;;;\r\n12 ;09;SEP;26;18:16:45\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977535,"usec":859384},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687346,"noise_level":-21.846807,"freq_skew":3.239404,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12181,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[85,244,129,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977535,"usec":873801},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707465,"noise_level":-24.079401,"freq_skew":2.597426,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH005E","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977537,"usec":367075},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429034,"noise_level":-24.653046,"freq_skew":3.771547,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-NJY","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"IB0766","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977537,"usec":367996},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641740,"noise_level":-25.437332,"freq_skew":3.776306,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15062231","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,73,66,69,0,52,100,153,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977538,"usec":149330},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585478,"noise_level":-25.603827,"freq_skew":3.687620,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977539,"usec":643828},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516943,"noise_level":-24.873713,"freq_skew":1.206740,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":411,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":63,"dst_ref":12177,"variable_part_params":[{"name":"atn_checksum","value":[223,152,219,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977540,"usec":415266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.771298,"noise_level":-24.692928,"freq_skew":5.134606,"avlc":{"src":{"addr":"400111","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977541,"usec":975744},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870600,"noise_level":-23.861546,"freq_skew":1.692091,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":54,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[216,35,7,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977542,"usec":735116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.990954,"noise_level":-23.687174,"freq_skew":5.020783,"avlc":{"src":{"addr":"400111","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977543,"usec":498790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935386,"noise_level":-23.284969,"freq_skew":1.516251,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977545,"usec":12915},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058785,"noise_level":-23.494394,"freq_skew":4.672811,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2245,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":353,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[48,158]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977546,"usec":514246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.028541,"noise_level":-22.843990,"freq_skew":1.377654,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977548,"usec":36707},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944962,"noise_level":-22.352047,"freq_skew":4.342813,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[0,250,0,251]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12228,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[209,24,233,218]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":12,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977548,"usec":844173},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779671,"noise_level":-22.522661,"freq_skew":1.295836,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIUM","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH08NP","msg_num":"D36","msg_num_seq":"B","sublabel":"DF","msg_text":",13716,10589,53/E10812,0916,43,176,009,000,033,0/N10812,0916,43,175,010,000,033,0/S11215,4000,015,017,170,41,33991,2/T11202,4075,013,015,191,41,33985,2/V1N242,N502,06752,00096,228,216,216,0/X10481,00000,078"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977551,"usec":119930},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502606,"noise_level":-22.398310,"freq_skew":3.775862,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.600002,"lon":9.600000},"alt":15000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977551,"usec":895589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283785,"noise_level":-22.730675,"freq_skew":4.789239,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977551,"usec":896977},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003274,"noise_level":-22.819197,"freq_skew":4.678607,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12080,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[117,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977552,"usec":641105},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150327,"noise_level":-22.699856,"freq_skew":1.474096,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977553,"usec":389472},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197267,"noise_level":-23.443172,"freq_skew":1.665086,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":57,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[46,239,57,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977554,"usec":159386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.720541,"noise_level":-23.126236,"freq_skew":4.715120,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977554,"usec":163203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672958,"noise_level":-23.076582,"freq_skew":4.049683,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977554,"usec":952569},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644481,"noise_level":-22.904995,"freq_skew":4.369149,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":446,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[85,199,50,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977561,"usec":41259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042524,"noise_level":-22.502573,"freq_skew":3.934223,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977561,"usec":829738},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758899,"noise_level":-22.353241,"freq_skew":4.057250,"avlc":{"src":{"addr":"3C666C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977561,"usec":832523},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299932,"noise_level":-22.762829,"freq_skew":1.460102,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977562,"usec":593177},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.401471,"noise_level":-22.480923,"freq_skew":4.622130,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":12,"dst_ref":12080,"variable_part_params":[{"name":"checksum","value":[189,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977564,"usec":109352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874831,"noise_level":-21.910622,"freq_skew":0.703061,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977565,"usec":635480},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870503,"noise_level":-22.064285,"freq_skew":3.991575,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977567,"usec":898507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.312210,"noise_level":-22.252731,"freq_skew":5.418468,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977567,"usec":918317},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.168483,"noise_level":-22.030445,"freq_skew":4.546963,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":353,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[206,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977570,"usec":239608},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896792,"noise_level":-21.412064,"freq_skew":3.114497,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":55,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12181,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[0,135,209,151]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12181,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[63,50,185,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":12,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977571,"usec":734574},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026974,"noise_level":-21.155693,"freq_skew":3.188274,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977577,"usec":87575},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780529,"noise_level":-19.994156,"freq_skew":3.222428,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":56,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12181,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[44,189,37,74]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":12,"sec":55}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977580,"usec":116535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524693,"noise_level":-20.643284,"freq_skew":4.548056,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977594,"usec":644925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773856,"noise_level":-20.119543,"freq_skew":1.645602,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977595,"usec":394761},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593843,"noise_level":-20.501991,"freq_skew":1.713352,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":58,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[131,188,107,34]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977596,"usec":212191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966753,"noise_level":-20.755238,"freq_skew":1.415247,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977596,"usec":957634},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678218,"noise_level":-20.651630,"freq_skew":5.146166,"avlc":{"src":{"addr":"4D2208","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32491,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[216,219]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977599,"usec":230456},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909695,"noise_level":-20.870907,"freq_skew":1.560242,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":60,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36424,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[139,95,198,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":13,"sec":17}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977605,"usec":349455},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168955,"noise_level":-19.270338,"freq_skew":1.496459,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[216,137,157,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977606,"usec":113437},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.442398,"noise_level":-19.112064,"freq_skew":3.845820,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977609,"usec":950368},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878490,"noise_level":-18.874453,"freq_skew":3.147877,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":58,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977614,"usec":495531},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853427,"noise_level":-17.738811,"freq_skew":4.776068,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":346,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977618,"usec":316732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041618,"noise_level":-17.885063,"freq_skew":4.658213,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977619,"usec":97555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.362441,"noise_level":-17.747885,"freq_skew":4.783244,"avlc":{"src":{"addr":"3CA970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977625,"usec":949392},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466196,"noise_level":-16.596567,"freq_skew":4.252984,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":49,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":7,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977630,"usec":553626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902738,"noise_level":-17.883776,"freq_skew":4.095591,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977633,"usec":602363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631925,"noise_level":-17.999060,"freq_skew":3.785823,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977637,"usec":435023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.819916,"noise_level":-17.915583,"freq_skew":5.067827,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977638,"usec":931472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.375153,"noise_level":-17.673019,"freq_skew":5.555664,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977640,"usec":456027},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514161,"noise_level":-18.597061,"freq_skew":4.252264,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-AMM","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"4X0527","msg_num":"M41","msg_num_seq":"A","msg_text":"181359,29718,2025, 7,N 50.358 E 7.860"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977640,"usec":464833},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.948409,"noise_level":-19.589962,"freq_skew":4.493017,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977641,"usec":208143},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736783,"noise_level":-20.511745,"freq_skew":3.777146,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977641,"usec":970718},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448609,"noise_level":-22.130213,"freq_skew":3.593205,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-BME","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EY0123","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977641,"usec":978365},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247375,"noise_level":-24.121397,"freq_skew":1.590758,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977642,"usec":769780},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465284,"noise_level":-24.395527,"freq_skew":3.521076,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":418,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12243,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[52,170,1,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977642,"usec":774465},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214792,"noise_level":-24.523716,"freq_skew":1.681216,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":62,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[76,41,152,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977642,"usec":789056},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601386,"noise_level":-24.601458,"freq_skew":1.622880,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36424,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[154,203,22,214]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":14,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977643,"usec":519895},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690062,"noise_level":-24.586716,"freq_skew":4.216974,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-AMM","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"4X0527","msg_num":"M41","msg_num_seq":"A","msg_text":"181359,29718,2025, 7,N 50.358 E 7.860"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977643,"usec":520044},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206878,"noise_level":-24.586716,"freq_skew":3.672333,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977643,"usec":523473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793019,"noise_level":-25.190224,"freq_skew":3.210147,"avlc":{"src":{"addr":"4CA82F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977645,"usec":57951},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.309525,"noise_level":-24.376953,"freq_skew":4.288006,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977645,"usec":806356},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988687,"noise_level":-23.928658,"freq_skew":1.470672,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":64,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":8168,"dst_ref":62169,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[203,3]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[146,97,45,208]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977647,"usec":330254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397517,"noise_level":-23.347755,"freq_skew":1.666103,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977655,"usec":704112},"freq":136975000,"burst_len_octets":122,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.338940,"noise_level":-22.763319,"freq_skew":7.020211,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAGBF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"XA006F","msg_num":"M66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977655,"usec":705092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019829,"noise_level":-22.751389,"freq_skew":1.434580,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977655,"usec":710883},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.196494,"noise_level":-22.703827,"freq_skew":1.377834,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUM","mode":"2","label":"_d","blk_id":"5","ack":"O","flight":"LH08NP","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977656,"usec":506110},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.557967,"noise_level":-22.492962,"freq_skew":4.720739,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"24026664","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,45,180,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977657,"usec":262758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985497,"noise_level":-22.074959,"freq_skew":7.152389,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977657,"usec":265615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023691,"noise_level":-21.943600,"freq_skew":1.361830,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977659,"usec":541689},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.120442,"noise_level":-21.234570,"freq_skew":7.183559,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAGBF","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"XA006F","msg_num":"M65","msg_num_seq":"A","msg_text":"0E21507542/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":15,"min":7,"sec":54}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977664,"usec":898561},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596906,"noise_level":-21.042908,"freq_skew":3.696503,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12243,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[137,119,51,152]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12243,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[15,13,36,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":14,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977665,"usec":670694},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477612,"noise_level":-21.815903,"freq_skew":3.560101,"avlc":{"src":{"addr":"346499","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977669,"usec":470129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935674,"noise_level":-22.109341,"freq_skew":7.112661,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977669,"usec":470873},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861069,"noise_level":-22.858114,"freq_skew":3.665093,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977671,"usec":781688},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923915,"noise_level":-22.169804,"freq_skew":3.310991,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH0865","msg_num":"S60","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977674,"usec":52734},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635731,"noise_level":-21.412115,"freq_skew":3.045316,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977674,"usec":66200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.329243,"noise_level":-22.080418,"freq_skew":9.368890,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977683,"usec":206520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.344381,"noise_level":-20.210556,"freq_skew":1.648735,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977690,"usec":893335},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.109922,"noise_level":-18.103765,"freq_skew":1.887942,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":6394,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[34,132,127,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977700,"usec":32690},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175589,"noise_level":-16.709299,"freq_skew":3.836472,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977700,"usec":32690},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.175589,"noise_level":-16.709299,"freq_skew":3.836472,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977700,"usec":771919},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.332559,"noise_level":-16.667770,"freq_skew":4.244519,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32584,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[234,102,16,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977700,"usec":777191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635194,"noise_level":-17.089079,"freq_skew":4.777422,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977702,"usec":312939},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.455387,"noise_level":-17.697880,"freq_skew":4.449835,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":353,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[55,145]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977706,"usec":895485},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.379515,"noise_level":-16.817762,"freq_skew":4.484498,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32587,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[47,172,73,108]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977707,"usec":668808},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.785797,"noise_level":-16.995628,"freq_skew":4.424490,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977712,"usec":268985},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111578,"noise_level":-18.486401,"freq_skew":4.128054,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":62,"dst_ref":32586,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[0]},{"name":"calling_transport_selector","value":[101,110]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[121,247,128,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977713,"usec":21064},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630991,"noise_level":-19.366199,"freq_skew":3.258127,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH004H","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977713,"usec":769892},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889765,"noise_level":-20.311728,"freq_skew":5.102867,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":353,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[55,145]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977713,"usec":777216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876452,"noise_level":-20.231071,"freq_skew":3.254177,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977713,"usec":779631},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617597,"noise_level":-20.319679,"freq_skew":3.363485,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH004H","msg_num":"S53","msg_num_seq":"A","msg_text":"0EV181512V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":15,"sec":12}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977714,"usec":535445},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943247,"noise_level":-20.553612,"freq_skew":3.976988,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977716,"usec":63918},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102644,"noise_level":-20.085083,"freq_skew":3.257505,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977716,"usec":66956},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255303,"noise_level":-20.067556,"freq_skew":4.008326,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977717,"usec":601328},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597732,"noise_level":-20.161398,"freq_skew":3.890468,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":448,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[170,148,100,81]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12228,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,79,108,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":15,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977718,"usec":359351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.901301,"noise_level":-20.963272,"freq_skew":4.082561,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977718,"usec":360158},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864109,"noise_level":-20.943886,"freq_skew":4.313823,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWO","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR05LR","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977719,"usec":122839},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749578,"noise_level":-20.790319,"freq_skew":4.579437,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23123034","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,166,28,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977720,"usec":631022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866550,"noise_level":-20.498877,"freq_skew":4.474972,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977722,"usec":930230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.451464,"noise_level":-19.724854,"freq_skew":4.670342,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977725,"usec":234243},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079313,"noise_level":-19.445362,"freq_skew":4.745607,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2255,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977726,"usec":754028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558522,"noise_level":-19.156853,"freq_skew":3.363264,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977729,"usec":781157},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833513,"noise_level":-20.121899,"freq_skew":3.955486,"avlc":{"src":{"addr":"4D2395","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":450,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12228,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[0,97,150,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977732,"usec":116471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.651325,"noise_level":-21.453045,"freq_skew":5.584100,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":811,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977732,"usec":866933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284390,"noise_level":-21.330698,"freq_skew":4.539526,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977735,"usec":905252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916914,"noise_level":-20.769165,"freq_skew":1.697996,"avlc":{"src":{"addr":"3C674F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977736,"usec":664500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.516999,"noise_level":-21.733486,"freq_skew":1.514285,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977738,"usec":224607},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.957398,"noise_level":-22.296646,"freq_skew":4.659369,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2258,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":353,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[138,73]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":15,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977738,"usec":244337},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762738,"noise_level":-22.766668,"freq_skew":1.652329,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":65,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36424,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[96,26,108,45]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977739,"usec":767395},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322779,"noise_level":-22.969379,"freq_skew":4.558380,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":353,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[187,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977745,"usec":860821},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869294,"noise_level":-23.077412,"freq_skew":4.116987,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":396,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32594,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,136,207,124]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":15,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977750,"usec":431763},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877724,"noise_level":-21.964598,"freq_skew":3.942585,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32594,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[64,92,16,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977751,"usec":996210},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.678597,"noise_level":-22.656889,"freq_skew":4.532433,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-BTG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"BT1665","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977753,"usec":498517},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.268021,"noise_level":-22.287445,"freq_skew":4.617980,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977754,"usec":267560},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.245585,"noise_level":-21.943935,"freq_skew":1.492341,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977755,"usec":39041},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776597,"noise_level":-21.526392,"freq_skew":4.027225,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977755,"usec":785766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.799018,"noise_level":-21.403015,"freq_skew":4.822481,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977756,"usec":534907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616247,"noise_level":-21.191235,"freq_skew":5.335243,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977758,"usec":873959},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651904,"noise_level":-22.276447,"freq_skew":3.488007,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977766,"usec":495337},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.996890,"noise_level":-21.129782,"freq_skew":4.075248,"avlc":{"src":{"addr":"44023F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977766,"usec":514469},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932381,"noise_level":-21.374771,"freq_skew":1.671179,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":66,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":62169,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[108,113,135,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977766,"usec":516184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317598,"noise_level":-21.364603,"freq_skew":1.716983,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977769,"usec":535761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093771,"noise_level":-21.382927,"freq_skew":5.056276,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977769,"usec":542730},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.900015,"noise_level":-22.403759,"freq_skew":4.597990,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977771,"usec":877932},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630708,"noise_level":-22.575853,"freq_skew":4.970372,"avlc":{"src":{"addr":"4D223A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2829,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977782,"usec":545579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.566206,"noise_level":-19.666708,"freq_skew":1.333111,"avlc":{"src":{"addr":"461FA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":606,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":362,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[64,228,229,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977785,"usec":612422},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.676634,"noise_level":-19.447538,"freq_skew":4.811557,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977787,"usec":887880},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.182264,"noise_level":-20.678387,"freq_skew":4.650730,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977790,"usec":167843},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.659120,"noise_level":-21.839846,"freq_skew":4.679125,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977790,"usec":987790},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.127290,"noise_level":-21.690836,"freq_skew":4.859708,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977790,"usec":988705},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.460260,"noise_level":-21.690836,"freq_skew":5.699085,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977791,"usec":754549},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.649987,"noise_level":-21.339256,"freq_skew":5.085651,"avlc":{"src":{"addr":"3C6524","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977792,"usec":498022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.853110,"noise_level":-21.258560,"freq_skew":5.786416,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977793,"usec":267639},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.497166,"noise_level":-21.956959,"freq_skew":4.037706,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":32599,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[233,234,15,126]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977794,"usec":15493},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961458,"noise_level":-22.267933,"freq_skew":4.025220,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32599,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[72,209,165,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":16,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977794,"usec":32846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139115,"noise_level":-22.100393,"freq_skew":4.871794,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977794,"usec":789509},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.400833,"noise_level":-22.923027,"freq_skew":4.744377,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977797,"usec":60239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-3.573563,"noise_level":-24.064110,"freq_skew":3.901509,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977799,"usec":378210},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797668,"noise_level":-23.927557,"freq_skew":3.354855,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":198,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977800,"usec":147868},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814003,"noise_level":-26.443226,"freq_skew":1.788095,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDF","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LX388G","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977800,"usec":152343},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570753,"noise_level":-27.443533,"freq_skew":1.997932,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614027","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,24,23,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977801,"usec":652261},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362209,"noise_level":-28.272619,"freq_skew":3.714776,"avlc":{"src":{"addr":"3C66E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977801,"usec":660410},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.152165,"noise_level":-28.094351,"freq_skew":4.045444,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":400,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977802,"usec":419534},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748346,"noise_level":-27.977947,"freq_skew":3.855142,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977803,"usec":924313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989256,"noise_level":-28.139965,"freq_skew":1.405609,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977804,"usec":706773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.421830,"noise_level":-27.995195,"freq_skew":5.178166,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977805,"usec":487146},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273470,"noise_level":-28.853500,"freq_skew":1.302860,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977807,"usec":799017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194492,"noise_level":-28.138012,"freq_skew":1.347172,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977808,"usec":534204},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051562,"noise_level":-27.984209,"freq_skew":4.014144,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":400,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977809,"usec":301036},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.398959,"noise_level":-27.940454,"freq_skew":4.534102,"avlc":{"src":{"addr":"234837","type":"Ground station","status":"On ground"},"dst":{"addr":"3C6422","type":"Aircraft"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977810,"usec":74894},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.155625,"noise_level":-27.133978,"freq_skew":2.060528,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977810,"usec":827930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315721,"noise_level":-26.747738,"freq_skew":3.885296,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977812,"usec":379131},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.312096,"noise_level":-25.971275,"freq_skew":1.263795,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.500000},"alt":1000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977813,"usec":900344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993687,"noise_level":-26.006596,"freq_skew":3.816240,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977813,"usec":913195},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578850,"noise_level":-25.868938,"freq_skew":3.646132,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDD","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LX07DC","msg_num":"S27","msg_num_seq":"A","msg_text":"0EV181651V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":16,"sec":51}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977814,"usec":648886},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.412567,"noise_level":-26.365879,"freq_skew":1.378749,"avlc":{"src":{"addr":"71BE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977814,"usec":649393},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708882,"noise_level":-26.347820,"freq_skew":3.453182,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":655,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977815,"usec":414787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611767,"noise_level":-26.116425,"freq_skew":3.610465,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977815,"usec":422134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727992,"noise_level":-26.594322,"freq_skew":5.481959,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977815,"usec":429367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.865983,"noise_level":-26.483917,"freq_skew":2.886666,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUV","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH08XV","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977816,"usec":168476},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.848288,"noise_level":-26.410927,"freq_skew":2.846362,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222015","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,76,0,77,36,13,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977816,"usec":175118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913070,"noise_level":-26.302584,"freq_skew":3.466089,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977816,"usec":936032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903850,"noise_level":-25.899349,"freq_skew":3.555630,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977816,"usec":948739},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664752,"noise_level":-26.812019,"freq_skew":4.069340,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977816,"usec":948739},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.664752,"noise_level":-26.812019,"freq_skew":4.069340,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":401,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32586,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[142,246,138,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977818,"usec":491554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973957,"noise_level":-26.187988,"freq_skew":2.622110,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977818,"usec":497028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093116,"noise_level":-26.117435,"freq_skew":4.690619,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977820,"usec":774112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926964,"noise_level":-25.550833,"freq_skew":3.554567,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977823,"usec":49326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450386,"noise_level":-24.879642,"freq_skew":5.820846,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPC","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"XQ06RK","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977823,"usec":812395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.051374,"noise_level":-24.838661,"freq_skew":4.805058,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977823,"usec":814228},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565615,"noise_level":-24.823515,"freq_skew":2.604077,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977842,"usec":184321},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.020348,"noise_level":-21.069908,"freq_skew":3.811228,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977842,"usec":188744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395287,"noise_level":-21.030697,"freq_skew":1.415890,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977846,"usec":773196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960143,"noise_level":-23.484467,"freq_skew":3.510421,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977846,"usec":780033},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237313,"noise_level":-24.507330,"freq_skew":3.882532,"avlc":{"src":{"addr":"02A1AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977847,"usec":544371},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123787,"noise_level":-25.434511,"freq_skew":4.739574,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32605,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[253,32,244,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977848,"usec":294888},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825566,"noise_level":-25.194284,"freq_skew":2.774821,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":351,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[69,71,81,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977848,"usec":295203},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829077,"noise_level":-25.194284,"freq_skew":5.992712,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":578,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977849,"usec":54832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850445,"noise_level":-25.276186,"freq_skew":3.321485,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977849,"usec":58079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.229106,"noise_level":-26.209122,"freq_skew":4.909833,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977849,"usec":67293},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.232878,"noise_level":-26.050795,"freq_skew":4.672155,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32605,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[83,236,39,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977855,"usec":166123},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087087,"noise_level":-23.229401,"freq_skew":5.848942,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977855,"usec":947370},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.519640,"noise_level":-22.715786,"freq_skew":2.932378,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977861,"usec":296236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.681001,"noise_level":-22.642181,"freq_skew":5.032712,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977862,"usec":793670},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.906302,"noise_level":-23.418175,"freq_skew":5.469466,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":7800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1,"dst_ref":32607,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[41,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977864,"usec":321648},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824822,"noise_level":-22.666328,"freq_skew":2.039416,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":8.800000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977864,"usec":321648},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.824822,"noise_level":-22.666328,"freq_skew":2.039416,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDF","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LX388G","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977865,"usec":876042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813897,"noise_level":-23.070929,"freq_skew":2.059690,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977865,"usec":889349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314888,"noise_level":-24.277479,"freq_skew":3.218525,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977869,"usec":674817},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693925,"noise_level":-23.479403,"freq_skew":3.513665,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,33,195,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977872,"usec":755075},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731289,"noise_level":-22.203522,"freq_skew":3.426055,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":656,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,33,195,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977878,"usec":83866},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967330,"noise_level":-23.557552,"freq_skew":1.298320,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZX","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"LH034J","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977878,"usec":881520},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728335,"noise_level":-24.022163,"freq_skew":4.858939,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7801,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977881,"usec":926549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.980292,"noise_level":-23.824039,"freq_skew":4.774390,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977881,"usec":927237},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557064,"noise_level":-23.824039,"freq_skew":3.177713,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977885,"usec":707069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.564267,"noise_level":-24.333422,"freq_skew":1.454943,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977886,"usec":506530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941996,"noise_level":-24.093292,"freq_skew":4.101820,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIB","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH055C","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977890,"usec":316770},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.985016,"noise_level":-23.855465,"freq_skew":4.366004,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[174,160,87,186]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977891,"usec":843262},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315684,"noise_level":-24.451962,"freq_skew":2.794377,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977891,"usec":852426},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656841,"noise_level":-24.336718,"freq_skew":2.750851,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEJ","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LH0682","msg_num":"S56","msg_num_seq":"A","msg_text":"0EV181809V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":18,"sec":9}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977892,"usec":649306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328262,"noise_level":-24.027454,"freq_skew":5.117970,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977901,"usec":45217},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562149,"noise_level":-24.285889,"freq_skew":3.370465,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977902,"usec":556793},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760608,"noise_level":-24.022551,"freq_skew":3.414426,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-LCL","mode":"2","label":"_d","blk_id":"8","ack":"M","flight":"CV7331","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977902,"usec":570656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.336875,"noise_level":-24.331200,"freq_skew":4.903751,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977904,"usec":831123},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.198122,"noise_level":-24.375370,"freq_skew":4.685109,"avlc":{"src":{"addr":"400111","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977904,"usec":840202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.115672,"noise_level":-24.289549,"freq_skew":3.274610,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977909,"usec":434731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.442558,"noise_level":-23.038097,"freq_skew":2.194318,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977917,"usec":837358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236356,"noise_level":-20.362131,"freq_skew":4.280278,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977923,"usec":189193},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640589,"noise_level":-20.558672,"freq_skew":2.819421,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":271,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36450,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,168,163,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977929,"usec":308767},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432402,"noise_level":-21.849579,"freq_skew":5.179634,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":605,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977930,"usec":832424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346078,"noise_level":-24.001865,"freq_skew":3.904414,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977932,"usec":347100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.890273,"noise_level":-23.377682,"freq_skew":5.238725,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977933,"usec":146163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.371650,"noise_level":-23.200102,"freq_skew":3.799073,"avlc":{"src":{"addr":"3C664F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977933,"usec":912815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.471786,"noise_level":-23.345417,"freq_skew":5.415496,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977937,"usec":708079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019114,"noise_level":-22.346798,"freq_skew":1.598263,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977939,"usec":218187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969923,"noise_level":-21.838463,"freq_skew":5.491601,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977943,"usec":836392},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973660,"noise_level":-20.173332,"freq_skew":4.937681,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977944,"usec":589365},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.497982,"noise_level":-19.997894,"freq_skew":5.054369,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977946,"usec":872187},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132306,"noise_level":-19.289454,"freq_skew":4.943298,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977947,"usec":666713},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715066,"noise_level":-19.441029,"freq_skew":3.046730,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH0865","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977948,"usec":423474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952316,"noise_level":-20.469091,"freq_skew":4.807877,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977949,"usec":958286},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.580069,"noise_level":-19.841396,"freq_skew":3.060504,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977958,"usec":357617},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.861391,"noise_level":-19.032553,"freq_skew":1.773691,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55361,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[244,193,240,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977958,"usec":357617},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-4.861391,"noise_level":-19.032553,"freq_skew":1.773691,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":67,"dst_ref":55361,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[246,148,151,182]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977959,"usec":855569},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962524,"noise_level":-19.831224,"freq_skew":8.103269,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAGBF","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XA006F","msg_num":"M68","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977959,"usec":864297},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572552,"noise_level":-21.518934,"freq_skew":7.772020,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17056106","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,88,65,65,0,60,92,70,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977961,"usec":420183},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971688,"noise_level":-21.085079,"freq_skew":3.491154,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":657,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[219,33,195,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977962,"usec":954607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123923,"noise_level":-21.606926,"freq_skew":1.859463,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977964,"usec":449374},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966545,"noise_level":-21.990494,"freq_skew":8.117466,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977966,"usec":793407},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623323,"noise_level":-21.821854,"freq_skew":1.964249,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":259,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977972,"usec":107014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133660,"noise_level":-22.876255,"freq_skew":1.775900,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977974,"usec":413123},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.482206,"noise_level":-22.571598,"freq_skew":4.666526,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":30,"dst_ref":12279,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[173,249]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977975,"usec":175033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633165,"noise_level":-22.239346,"freq_skew":3.023805,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977977,"usec":446491},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825878,"noise_level":-21.486130,"freq_skew":3.156528,"avlc":{"src":{"addr":"89653C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977978,"usec":978916},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107212,"noise_level":-22.112837,"freq_skew":3.973637,"avlc":{"src":{"addr":"3CA970","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977979,"usec":742038},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308415,"noise_level":-21.797371,"freq_skew":5.014275,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977982,"usec":812608},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634423,"noise_level":-21.620773,"freq_skew":4.752261,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7804,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32615,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[185,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977985,"usec":864166},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.127831,"noise_level":-20.947363,"freq_skew":4.519804,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12279,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[196,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977989,"usec":690164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.455237,"noise_level":-21.504450,"freq_skew":2.035421,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977991,"usec":222345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.741946,"noise_level":-20.829052,"freq_skew":5.045821,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977993,"usec":554278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.924437,"noise_level":-20.113949,"freq_skew":1.784979,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977994,"usec":307747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.647882,"noise_level":-19.974266,"freq_skew":2.195620,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788977999,"usec":612280},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.712004,"noise_level":-20.252821,"freq_skew":1.846161,"avlc":{"src":{"addr":"3C6751","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978002,"usec":686457},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.675345,"noise_level":-19.585766,"freq_skew":4.568532,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978004,"usec":975885},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912084,"noise_level":-19.194054,"freq_skew":1.712850,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDF","mode":"2","label":"_d","blk_id":"8","ack":"G","flight":"LX388G","msg_num":"S95","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978005,"usec":732646},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490316,"noise_level":-19.470617,"freq_skew":4.103594,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINM","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH062A","msg_num":"S90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978006,"usec":474772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.288573,"noise_level":-20.623331,"freq_skew":3.436913,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978009,"usec":574202},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831078,"noise_level":-20.442108,"freq_skew":2.002288,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDF","mode":"2","label":"_d","blk_id":"0","ack":"I","flight":"LX388G","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978009,"usec":579766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.924589,"noise_level":-20.696419,"freq_skew":4.032805,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978009,"usec":583307},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867454,"noise_level":-20.668230,"freq_skew":4.084913,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978010,"usec":329659},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.900520,"noise_level":-21.640043,"freq_skew":4.028690,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[194,158,20,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978011,"usec":111520},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769402,"noise_level":-23.080034,"freq_skew":2.883027,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEJ","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH0682","msg_num":"M68","msg_num_seq":"A","msg_text":"00059209255KOUDJWME+Y+65,18200-WD+LL237 402ODLUU82133+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978012,"usec":605497},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064178,"noise_level":-24.054340,"freq_skew":2.876358,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36450,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[49,168,163,145]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978012,"usec":607948},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288819,"noise_level":-24.026680,"freq_skew":4.620528,"avlc":{"src":{"addr":"3C6483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978013,"usec":363014},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806283,"noise_level":-24.681236,"freq_skew":3.151975,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"HX","blk_id":"3","ack":"!","flight":"LH08VY","msg_num":"S89","msg_num_seq":"A","msg_text":"H1T2 T03!X&K10L89.$ig8-|<\\ZBg/4*92."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978014,"usec":169059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916526,"noise_level":-25.055698,"freq_skew":2.730043,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978014,"usec":183536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443371,"noise_level":-24.855921,"freq_skew":4.167888,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978014,"usec":937940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604633,"noise_level":-25.389833,"freq_skew":3.266418,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978015,"usec":697148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739488,"noise_level":-25.086596,"freq_skew":3.245753,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"_d","blk_id":"9","ack":"K","flight":"LH08VY","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978015,"usec":699982},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673578,"noise_level":-25.039919,"freq_skew":3.146716,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"HX","blk_id":"0","ack":"!","flight":"LH08VY","msg_num":"S89","msg_num_seq":"A","msg_text":"H1T2 T03!X&K10L89.$ig8-|<\\ZBg/4*92."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978018,"usec":736262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390913,"noise_level":-24.163769,"freq_skew":4.176456,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978022,"usec":567376},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181196,"noise_level":-23.948067,"freq_skew":3.288203,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978034,"usec":816913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999739,"noise_level":-19.977495,"freq_skew":2.610403,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-BXZ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"KL088B","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978042,"usec":444950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896561,"noise_level":-22.354633,"freq_skew":2.891351,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978042,"usec":446577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720018,"noise_level":-22.343252,"freq_skew":4.966349,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978043,"usec":218096},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160752,"noise_level":-22.707308,"freq_skew":3.965228,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978050,"usec":849107},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.222755,"noise_level":-22.174387,"freq_skew":4.323166,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978052,"usec":366787},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048766,"noise_level":-22.539328,"freq_skew":3.463531,"avlc":{"src":{"addr":"48AF12","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978053,"usec":137474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.336665,"noise_level":-23.277794,"freq_skew":4.481618,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978056,"usec":209451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.298794,"noise_level":-22.095263,"freq_skew":4.001904,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978059,"usec":229781},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.976790,"noise_level":-22.200558,"freq_skew":5.523422,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978061,"usec":568267},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059610,"noise_level":-21.247650,"freq_skew":2.738728,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUV","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"LH08XV","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978063,"usec":834246},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279677,"noise_level":-20.675289,"freq_skew":2.517515,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUV","mode":"2","label":"_d","blk_id":"4","ack":"H","flight":"LH08XV","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978063,"usec":837306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758076,"noise_level":-20.855906,"freq_skew":3.202008,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978066,"usec":893305},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797716,"noise_level":-20.938313,"freq_skew":3.275358,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":660,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":101,"dst_ref":55366,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[214,182,8,175]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978068,"usec":434378},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797948,"noise_level":-20.643394,"freq_skew":3.305674,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978068,"usec":455052},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.540801,"noise_level":-20.495007,"freq_skew":1.054208,"avlc":{"src":{"addr":"4CA281","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978073,"usec":10044},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600313,"noise_level":-20.131630,"freq_skew":5.036252,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"_d","blk_id":"8","ack":"E","flight":"LX052F","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978076,"usec":848946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.603282,"noise_level":-21.601723,"freq_skew":2.405237,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978078,"usec":350513},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659596,"noise_level":-21.932657,"freq_skew":5.031336,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IFA","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"LX052F","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978079,"usec":124812},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786055,"noise_level":-22.239250,"freq_skew":3.274721,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"LH08VY","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978082,"usec":960484},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.473192,"noise_level":-22.332973,"freq_skew":4.922595,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7805,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32615,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[112,205]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978088,"usec":270842},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709179,"noise_level":-23.562298,"freq_skew":0.981143,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":506,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978089,"usec":97150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289917,"noise_level":-23.255676,"freq_skew":4.181463,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":372,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[199,131,178,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978089,"usec":841556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850172,"noise_level":-23.080551,"freq_skew":4.173045,"avlc":{"src":{"addr":"4CAD64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978091,"usec":353071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001101,"noise_level":-22.681213,"freq_skew":5.636911,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978092,"usec":106167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.408355,"noise_level":-22.367611,"freq_skew":2.781360,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978092,"usec":885722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.938277,"noise_level":-22.116867,"freq_skew":3.269346,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978095,"usec":154073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962745,"noise_level":-21.455536,"freq_skew":4.231805,"avlc":{"src":{"addr":"4CAD64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978096,"usec":731061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.761584,"noise_level":-20.841015,"freq_skew":1.516509,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978097,"usec":473906},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112581,"noise_level":-20.726938,"freq_skew":2.778307,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978097,"usec":485813},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.840763,"noise_level":-20.984428,"freq_skew":1.404594,"avlc":{"src":{"addr":"3C66AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978099,"usec":10550},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608984,"noise_level":-20.622396,"freq_skew":4.765169,"avlc":{"src":{"addr":"4692D7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12276,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[127,4,183,90]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978112,"usec":752549},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106716,"noise_level":-24.329279,"freq_skew":2.916732,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978115,"usec":26503},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027621,"noise_level":-23.356379,"freq_skew":3.422528,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":661,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978115,"usec":38743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525721,"noise_level":-23.204317,"freq_skew":5.800701,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978115,"usec":836332},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134439,"noise_level":-22.972988,"freq_skew":2.913457,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":607,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":32,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,66,84,73,0,80,44,232],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978116,"usec":609716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944348,"noise_level":-22.566774,"freq_skew":2.672634,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978117,"usec":355567},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181767,"noise_level":-22.508606,"freq_skew":4.912146,"avlc":{"src":{"addr":"4BCDE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6856,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":16,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[219,89]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978117,"usec":359154},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151258,"noise_level":-22.473892,"freq_skew":2.525334,"avlc":{"src":{"addr":"49D676","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OKCUS","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"XA0001","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978117,"usec":360824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819158,"noise_level":-22.450829,"freq_skew":2.780567,"avlc":{"src":{"addr":"3C64AA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978117,"usec":374332},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099578,"noise_level":-22.302376,"freq_skew":3.078437,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":608,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":32,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":8,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,66,84,73,0,80,44,232]]}]},{"name":"rd_hop_count","value":1},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,66,84,73,0,80,44,232]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978118,"usec":115215},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170074,"noise_level":-22.134315,"freq_skew":4.865966,"avlc":{"src":{"addr":"4BCDE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6857,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12296,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[211,37]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978118,"usec":118700},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262705,"noise_level":-22.112133,"freq_skew":2.941338,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,84,73,0,80,44,232,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978118,"usec":119583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025031,"noise_level":-22.101063,"freq_skew":3.491430,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978122,"usec":705897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.357345,"noise_level":-24.284458,"freq_skew":6.703509,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978124,"usec":242275},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.801812,"noise_level":-23.614002,"freq_skew":3.457392,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":664,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[114,195,207,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978125,"usec":7015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.727019,"noise_level":-23.139957,"freq_skew":1.649021,"avlc":{"src":{"addr":"4B1817","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978125,"usec":757525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644334,"noise_level":-22.918373,"freq_skew":4.157768,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978127,"usec":277242},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918376,"noise_level":-22.330961,"freq_skew":2.967768,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"_d","blk_id":"2","ack":"O","flight":"LH08VY","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978129,"usec":596087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705336,"noise_level":-24.884987,"freq_skew":3.040025,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978129,"usec":600327},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.249496,"noise_level":-26.706541,"freq_skew":5.181852,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978134,"usec":141812},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.328887,"noise_level":-25.199680,"freq_skew":4.111393,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[79,129,71,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978134,"usec":898014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.309973,"noise_level":-24.798164,"freq_skew":3.989382,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978135,"usec":717007},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886482,"noise_level":-24.404356,"freq_skew":3.385942,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55366,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[66,174,65,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978136,"usec":460567},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602607,"noise_level":-24.375557,"freq_skew":4.648127,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7806,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32615,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[181,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978136,"usec":474178},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.031587,"noise_level":-24.204752,"freq_skew":4.658147,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978137,"usec":224827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254866,"noise_level":-24.876251,"freq_skew":2.588816,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978141,"usec":25623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718226,"noise_level":-23.117760,"freq_skew":2.910700,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978141,"usec":45276},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.976000,"noise_level":-22.884617,"freq_skew":6.154221,"avlc":{"src":{"addr":"4081C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978149,"usec":470871},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868422,"noise_level":-20.952469,"freq_skew":4.713922,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":32605,"variable_part_params":[{"name":"atn_checksum","value":[52,48,3,242]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978150,"usec":216100},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.780196,"noise_level":-21.473808,"freq_skew":2.888506,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978153,"usec":275390},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.528535,"noise_level":-20.955227,"freq_skew":5.783559,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55338,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[142,143]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978154,"usec":810542},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779808,"noise_level":-20.373978,"freq_skew":4.007965,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LHBP"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":12.200000},"alt":0}},{"name":"alternate_ground_stations","value":["1092FA","10981A","10910A","10935A","109B5A","10943A","109C5A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978155,"usec":537398},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.006603,"noise_level":-20.364914,"freq_skew":4.153222,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":367,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978155,"usec":546545},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884894,"noise_level":-20.784805,"freq_skew":5.705898,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978156,"usec":348272},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706393,"noise_level":-20.578119,"freq_skew":5.762362,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPC","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"XQ06RK","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978160,"usec":145641},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740823,"noise_level":-20.012388,"freq_skew":4.851449,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKD","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR03RD","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978163,"usec":984598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956792,"noise_level":-21.011383,"freq_skew":4.710757,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978164,"usec":1188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.905526,"noise_level":-20.847052,"freq_skew":2.618989,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978164,"usec":747139},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.402136,"noise_level":-20.780277,"freq_skew":0.761388,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":9.700000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978164,"usec":765468},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-9.153168,"noise_level":-21.588543,"freq_skew":4.801359,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978167,"usec":41539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225909,"noise_level":-23.518362,"freq_skew":4.163092,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978167,"usec":45184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.518285,"noise_level":-23.767124,"freq_skew":4.884679,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978167,"usec":789344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-10.858353,"noise_level":-23.620937,"freq_skew":2.477646,"avlc":{"src":{"addr":"484557","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978167,"usec":799969},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058539,"noise_level":-23.516142,"freq_skew":5.067415,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978172,"usec":398236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013141,"noise_level":-23.328255,"freq_skew":4.849387,"avlc":{"src":{"addr":"4CA73A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978172,"usec":405639},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586330,"noise_level":-24.389622,"freq_skew":4.038547,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978173,"usec":923113},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560914,"noise_level":-24.222519,"freq_skew":0.618764,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978174,"usec":661108},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.784994,"noise_level":-25.117981,"freq_skew":0.510695,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDG","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH09XY","msg_num":"S67","msg_num_seq":"A","msg_text":"0EV182251V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":22,"sec":51}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978174,"usec":682526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043266,"noise_level":-25.590126,"freq_skew":3.808127,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978175,"usec":434204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871950,"noise_level":-26.613844,"freq_skew":4.040553,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978175,"usec":439572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521000,"noise_level":-26.539762,"freq_skew":0.569955,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978177,"usec":11613},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848867,"noise_level":-26.599092,"freq_skew":5.168714,"avlc":{"src":{"addr":"3C6483","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDC","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"LH0202","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978179,"usec":280457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.680748,"noise_level":-26.539429,"freq_skew":5.064102,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978182,"usec":309223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.611888,"noise_level":-27.123039,"freq_skew":3.379564,"avlc":{"src":{"addr":"48AF02","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978185,"usec":370969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930957,"noise_level":-26.067028,"freq_skew":4.320868,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978185,"usec":381514},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631567,"noise_level":-25.808924,"freq_skew":5.790642,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPC","mode":"2","label":"_d","blk_id":"0","ack":"E","flight":"XQ06RK","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978187,"usec":673779},"freq":136975000,"burst_len_octets":70,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636284,"noise_level":-26.646898,"freq_skew":2.787048,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUA","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH08VY","msg_num":"M58","msg_num_seq":"A","msg_text":"001262267312(RV8ED-SS6J:*T"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978191,"usec":491952},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258005,"noise_level":-25.568241,"freq_skew":7.699419,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978192,"usec":272063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665310,"noise_level":-27.496559,"freq_skew":3.038785,"avlc":{"src":{"addr":"3C66A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978194,"usec":535534},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-5.426104,"noise_level":-26.728916,"freq_skew":3.222636,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDD","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LX07DC","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978195,"usec":301373},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.328125,"noise_level":-28.447721,"freq_skew":3.079212,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978196,"usec":75327},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610056,"noise_level":-27.678749,"freq_skew":3.910980,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978203,"usec":750594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857811,"noise_level":-25.454105,"freq_skew":3.962722,"avlc":{"src":{"addr":"502DB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978204,"usec":509912},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.723298,"noise_level":-25.182831,"freq_skew":2.821981,"avlc":{"src":{"addr":"3C66E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978205,"usec":275829},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109586,"noise_level":-25.614588,"freq_skew":3.980744,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":369,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":372,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[64,234,53,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978206,"usec":786229},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872255,"noise_level":-24.944784,"freq_skew":4.069678,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978209,"usec":49086},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623040,"noise_level":-24.603916,"freq_skew":4.505087,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":254,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978212,"usec":905804},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301780,"noise_level":-23.943676,"freq_skew":3.014872,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978215,"usec":164994},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757262,"noise_level":-24.064405,"freq_skew":0.548769,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":44,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978215,"usec":168729},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895259,"noise_level":-24.091814,"freq_skew":3.477005,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-LCL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"CV7331","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978215,"usec":173568},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808109,"noise_level":-24.036341,"freq_skew":3.337902,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":667,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[129,170,27,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978215,"usec":938937},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.962988,"noise_level":-24.843473,"freq_skew":5.056883,"avlc":{"src":{"addr":"4CAD64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7843,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,190]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":23,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978216,"usec":734186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316871,"noise_level":-24.574614,"freq_skew":4.137626,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978216,"usec":738247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222976,"noise_level":-25.048008,"freq_skew":2.955132,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978218,"usec":240981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821507,"noise_level":-24.476986,"freq_skew":4.138520,"avlc":{"src":{"addr":"4CAD64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978219,"usec":771241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527007,"noise_level":-23.645475,"freq_skew":0.459044,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978222,"usec":70099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983623,"noise_level":-23.480701,"freq_skew":4.767850,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978228,"usec":157082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-15.162650,"noise_level":-25.452349,"freq_skew":4.084646,"avlc":{"src":{"addr":"3C6522","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978230,"usec":479776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-20.559732,"noise_level":-24.814913,"freq_skew":3.086487,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978232,"usec":5038},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.005570,"noise_level":-26.011822,"freq_skew":3.153103,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978232,"usec":776527},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.210352,"noise_level":-26.699427,"freq_skew":2.618857,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978233,"usec":531242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688279,"noise_level":-26.331638,"freq_skew":3.107074,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978235,"usec":39361},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.697484,"noise_level":-26.550797,"freq_skew":5.682552,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":364,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978236,"usec":559595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636551,"noise_level":-25.606859,"freq_skew":5.828996,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978237,"usec":371032},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.762568,"noise_level":-26.267582,"freq_skew":2.405859,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978239,"usec":639158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.744791,"noise_level":-27.355700,"freq_skew":4.798638,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978246,"usec":528513},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.752410,"noise_level":-25.382427,"freq_skew":4.806931,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"LICA"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978246,"usec":540317},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.554454,"noise_level":-25.206661,"freq_skew":2.683599,"avlc":{"src":{"addr":"4CA215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7848,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,183,11,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978250,"usec":366608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.234037,"noise_level":-26.003008,"freq_skew":3.218243,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDD","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"LX07DC","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978250,"usec":368288},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980913,"noise_level":-25.985687,"freq_skew":4.895718,"avlc":{"src":{"addr":"3C6668","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":283,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978254,"usec":158110},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219088,"noise_level":-24.307432,"freq_skew":2.528771,"avlc":{"src":{"addr":"4B1804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978254,"usec":932979},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515225,"noise_level":-23.648476,"freq_skew":4.399200,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978260,"usec":271773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257249,"noise_level":-24.825550,"freq_skew":2.776737,"avlc":{"src":{"addr":"4B1804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978261,"usec":798585},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819094,"noise_level":-24.306084,"freq_skew":2.308256,"avlc":{"src":{"addr":"49D676","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"LKPR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978261,"usec":798585},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.819094,"noise_level":-24.306084,"freq_skew":2.308256,"avlc":{"src":{"addr":"49D676","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978261,"usec":801848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257585,"noise_level":-24.263409,"freq_skew":2.418533,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978261,"usec":806491},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.958783,"noise_level":-24.535978,"freq_skew":6.190606,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55338,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[192,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978261,"usec":811819},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835920,"noise_level":-24.642889,"freq_skew":3.905725,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":30605,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[54,242]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978262,"usec":570804},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477123,"noise_level":-24.600039,"freq_skew":4.511209,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLW","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR09DT","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978264,"usec":117913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.665136,"noise_level":-24.070711,"freq_skew":6.243616,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978264,"usec":118722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.238011,"noise_level":-24.070711,"freq_skew":4.867454,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978264,"usec":872852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537023,"noise_level":-23.837914,"freq_skew":0.439355,"avlc":{"src":{"addr":"3C6487","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978264,"usec":881317},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.754981,"noise_level":-23.757219,"freq_skew":1.892509,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978270,"usec":996070},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.417483,"noise_level":-23.935055,"freq_skew":3.897036,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978271,"usec":1107},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895147,"noise_level":-23.880569,"freq_skew":2.428534,"avlc":{"src":{"addr":"4B1804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":126,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978271,"usec":7075},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834161,"noise_level":-23.799479,"freq_skew":4.838675,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":253,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12279,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[173,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978273,"usec":290476},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.766419,"noise_level":-22.832935,"freq_skew":2.175191,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978277,"usec":86999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449308,"noise_level":-22.206173,"freq_skew":2.597268,"avlc":{"src":{"addr":"3C658E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978280,"usec":155478},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327580,"noise_level":-23.096809,"freq_skew":3.125289,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDD","mode":"2","label":"B9","blk_id":"2","ack":"!","flight":"LX07DC","msg_num":"M40","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978287,"usec":783783},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601569,"noise_level":-21.449799,"freq_skew":2.175543,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978290,"usec":829605},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675183,"noise_level":-21.327942,"freq_skew":5.019770,"avlc":{"src":{"addr":"4BCDE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978293,"usec":163231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026963,"noise_level":-20.572350,"freq_skew":3.346088,"avlc":{"src":{"addr":"4B1804","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978295,"usec":440040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724808,"noise_level":-20.802952,"freq_skew":5.033592,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978295,"usec":451508},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102565,"noise_level":-20.698776,"freq_skew":2.455124,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978296,"usec":186388},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.174673,"noise_level":-20.623791,"freq_skew":6.498569,"avlc":{"src":{"addr":"4081C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978303,"usec":88977},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.408158,"noise_level":-19.827763,"freq_skew":4.097839,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978305,"usec":401102},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405549,"noise_level":-20.018721,"freq_skew":2.008978,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978306,"usec":928518},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973127,"noise_level":-20.414516,"freq_skew":3.223646,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978307,"usec":665966},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607411,"noise_level":-20.474239,"freq_skew":3.322809,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7883,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[129,170,27,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978309,"usec":952593},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141201,"noise_level":-21.123554,"freq_skew":2.071004,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978309,"usec":952825},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078506,"noise_level":-21.123554,"freq_skew":3.074493,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDD","mode":"2","label":"_d","blk_id":"6","ack":"N","flight":"LX07DC","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978309,"usec":967203},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598585,"noise_level":-20.986250,"freq_skew":3.581039,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32646,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,202,20,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978311,"usec":499938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852233,"noise_level":-21.514038,"freq_skew":2.524988,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZI","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"LH0892","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978313,"usec":18855},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804838,"noise_level":-21.249157,"freq_skew":2.144963,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LY-WIL","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"GW06ND","msg_num":"S11","msg_num_seq":"A","msg_text":"0EV182510V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":25,"sec":10}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978313,"usec":26812},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778239,"noise_level":-21.100002,"freq_skew":3.750205,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32646,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[165,202,20,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978313,"usec":26949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.158909,"noise_level":-21.100002,"freq_skew":3.298083,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978313,"usec":27053},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591015,"noise_level":-21.090147,"freq_skew":2.957984,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZA","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH07TX","msg_num":"M73","msg_num_seq":"A","msg_text":"0013823420591+Y-JLGLM::4L+2O-LYDLV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978313,"usec":797327},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.508357,"noise_level":-20.924332,"freq_skew":2.044613,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978314,"usec":549859},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682996,"noise_level":-21.895348,"freq_skew":2.975726,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978314,"usec":552941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.937473,"noise_level":-21.862993,"freq_skew":3.211223,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978314,"usec":557948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885558,"noise_level":-21.809340,"freq_skew":2.209204,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978316,"usec":826905},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030426,"noise_level":-21.190088,"freq_skew":4.480398,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978318,"usec":381052},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898903,"noise_level":-21.015583,"freq_skew":2.018791,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,87,71,0,80,62,155,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978322,"usec":199570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703315,"noise_level":-20.673222,"freq_skew":3.726570,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978322,"usec":945269},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.558378,"noise_level":-20.871796,"freq_skew":6.010333,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55338,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[184,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978326,"usec":788760},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064460,"noise_level":-19.738995,"freq_skew":5.126215,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":253,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12279,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[169,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978328,"usec":306332},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.623798,"noise_level":-19.303371,"freq_skew":7.044757,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAGBF","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"XA006F","msg_num":"F02","msg_num_seq":"D","sublabel":"CF","msg_text":"35;0;18:12:48;7\n\nM;0800GENE022;1;18:25:03;7\n\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978329,"usec":74766},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668660,"noise_level":-19.099192,"freq_skew":3.196570,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZA","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"LH07TX","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978330,"usec":594978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680378,"noise_level":-22.270920,"freq_skew":3.217259,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978331,"usec":329383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.681711,"noise_level":-22.214695,"freq_skew":6.772405,"avlc":{"src":{"addr":"3C5C46","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978331,"usec":344890},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479701,"noise_level":-22.048170,"freq_skew":3.138459,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZA","mode":"2","label":"_d","blk_id":"5","ack":"W","flight":"LH07TX","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978331,"usec":351798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815626,"noise_level":-23.087376,"freq_skew":3.330115,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978332,"usec":919966},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.612794,"noise_level":-22.465706,"freq_skew":5.798319,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55338,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[180,16]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978333,"usec":660931},"freq":136975000,"burst_len_octets":126,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.118137,"noise_level":-22.642996,"freq_skew":1.995385,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":968,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32552,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[235,108,200,215]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32552,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[217,64,17,32]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":25,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"ERROR","choice":"dM62ErrorInformation","data":{"error_info":"insufficientResources"}}},{"msg_element":{"choice_label":"FREE TEXT","choice":"dM98FreeText","data":{"free_text":"UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE\u0000"}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978334,"usec":430675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.045537,"noise_level":-22.296734,"freq_skew":2.017244,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978335,"usec":931313},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908957,"noise_level":-21.855526,"freq_skew":5.814905,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPC","mode":"2","label":"_d","blk_id":"1","ack":"F","flight":"XQ06RK","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978335,"usec":952765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688005,"noise_level":-22.517490,"freq_skew":3.464942,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978337,"usec":447281},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460473,"noise_level":-22.908306,"freq_skew":4.661299,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"EN04MV","msg_num":"M90","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978337,"usec":465422},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623879,"noise_level":-22.820374,"freq_skew":4.612503,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"14004670","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,68,76,65,0,48,9,184,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978342,"usec":65375},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349714,"noise_level":-21.122778,"freq_skew":4.069996,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32593,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[9,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978344,"usec":322634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645949,"noise_level":-21.235151,"freq_skew":4.234931,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978350,"usec":467375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019980,"noise_level":-20.348713,"freq_skew":3.934106,"avlc":{"src":{"addr":"4AC9A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978352,"usec":12610},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862884,"noise_level":-20.055342,"freq_skew":2.596797,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978352,"usec":791289},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886533,"noise_level":-20.551430,"freq_skew":2.022039,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978358,"usec":99149},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441865,"noise_level":-20.358236,"freq_skew":4.247803,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32593,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[5,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978358,"usec":888564},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131641,"noise_level":-20.312759,"freq_skew":1.890566,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978362,"usec":694892},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.479002,"noise_level":-20.417847,"freq_skew":2.264935,"avlc":{"src":{"addr":"4D240D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":300,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":34494,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[117,114,209,147]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":25,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978371,"usec":105280},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629354,"noise_level":-19.399147,"freq_skew":4.215445,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6682,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":1,"dst_ref":32593,"variable_part_params":[{"name":"checksum","value":[240,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978374,"usec":935708},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.993093,"noise_level":-20.551081,"freq_skew":0.811741,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978381,"usec":831735},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.380919,"noise_level":-19.895540,"freq_skew":5.425115,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1471,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978383,"usec":359900},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.417772,"noise_level":-19.831469,"freq_skew":0.810656,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978394,"usec":860698},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593415,"noise_level":-19.080475,"freq_skew":4.075194,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978397,"usec":131992},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847731,"noise_level":-19.304070,"freq_skew":0.633001,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978398,"usec":683041},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727121,"noise_level":-18.965996,"freq_skew":4.138942,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"FR29GX","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978402,"usec":497356},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918107,"noise_level":-17.969032,"freq_skew":4.282563,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"_d","blk_id":"2","ack":"G","flight":"FR29GX","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978403,"usec":252001},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.261480,"noise_level":-17.866514,"freq_skew":3.955838,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"FR29GX","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978403,"usec":270547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574954,"noise_level":-18.767399,"freq_skew":0.731947,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978404,"usec":781012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735161,"noise_level":-18.566893,"freq_skew":5.721413,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978408,"usec":630186},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619820,"noise_level":-18.930511,"freq_skew":5.106738,"avlc":{"src":{"addr":"4BCDE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978410,"usec":137695},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749074,"noise_level":-18.665794,"freq_skew":5.030503,"avlc":{"src":{"addr":"4BCDE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6864,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12323,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[234,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978416,"usec":281076},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592068,"noise_level":-20.835899,"freq_skew":4.652471,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[36,89]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978423,"usec":158415},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.366397,"noise_level":-19.530695,"freq_skew":2.056582,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978430,"usec":38489},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082955,"noise_level":-19.515099,"freq_skew":4.598409,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":918,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32604,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[194,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978430,"usec":791198},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275586,"noise_level":-19.320158,"freq_skew":3.020617,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978432,"usec":320717},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.601752,"noise_level":-19.164158,"freq_skew":3.185335,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978437,"usec":674728},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804608,"noise_level":-22.901360,"freq_skew":0.673506,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978440,"usec":17613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664330,"noise_level":-24.549809,"freq_skew":4.855213,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978443,"usec":47079},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066800,"noise_level":-24.362560,"freq_skew":3.296396,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":674,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55366,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[66,174,65,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978444,"usec":564131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087790,"noise_level":-26.103577,"freq_skew":5.113332,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978445,"usec":320559},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167064,"noise_level":-26.049871,"freq_skew":2.870649,"avlc":{"src":{"addr":"4CA215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":137,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55365,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[225,187,49,218]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978446,"usec":150969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189277,"noise_level":-26.256924,"freq_skew":4.836340,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978447,"usec":659801},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797657,"noise_level":-25.636940,"freq_skew":4.338997,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":919,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7922,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[54,219]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978447,"usec":666537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501497,"noise_level":-25.585255,"freq_skew":3.963772,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978451,"usec":454962},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815506,"noise_level":-24.510374,"freq_skew":5.110281,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12255,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[19,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978451,"usec":457080},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644839,"noise_level":-24.495789,"freq_skew":0.832862,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978451,"usec":458396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.478444,"noise_level":-25.033037,"freq_skew":3.308648,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978452,"usec":227959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910437,"noise_level":-25.579185,"freq_skew":4.251804,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978454,"usec":548953},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665226,"noise_level":-24.363916,"freq_skew":0.663443,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978455,"usec":294599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602370,"noise_level":-24.939898,"freq_skew":4.599137,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978456,"usec":61990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881138,"noise_level":-24.520668,"freq_skew":3.296859,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978456,"usec":74871},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864006,"noise_level":-24.787819,"freq_skew":0.890059,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978458,"usec":336498},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132586,"noise_level":-24.309252,"freq_skew":3.186775,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,232,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978461,"usec":428344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.472860,"noise_level":-22.830580,"freq_skew":4.314883,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978462,"usec":179010},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994778,"noise_level":-22.917936,"freq_skew":1.949454,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":972,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32552,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[50,41,227,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978464,"usec":444066},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043922,"noise_level":-22.184124,"freq_skew":1.987819,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978465,"usec":197306},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675869,"noise_level":-22.139000,"freq_skew":4.829082,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCZ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR99ZG","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978466,"usec":777343},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544125,"noise_level":-21.569197,"freq_skew":4.619790,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978468,"usec":305724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026302,"noise_level":-22.195349,"freq_skew":4.671035,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978469,"usec":62752},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163815,"noise_level":-21.931000,"freq_skew":4.335609,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":923,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32604,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[186,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978469,"usec":67315},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837929,"noise_level":-21.866152,"freq_skew":3.017820,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":38165,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[167,54]},{"name":"atn_checksum","value":[245,225,243,80]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978472,"usec":94914},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872877,"noise_level":-21.066553,"freq_skew":4.493386,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":389,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[123,47]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978474,"usec":413893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.703296,"noise_level":-21.879410,"freq_skew":3.072164,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978475,"usec":941592},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878119,"noise_level":-21.339312,"freq_skew":1.915147,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978475,"usec":945632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244579,"noise_level":-21.298868,"freq_skew":4.861049,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978479,"usec":713938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752282,"noise_level":-20.501522,"freq_skew":4.429661,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978481,"usec":294722},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419809,"noise_level":-20.625263,"freq_skew":4.364666,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978482,"usec":802380},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695436,"noise_level":-20.277607,"freq_skew":4.459154,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5257,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":389,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[123,47]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978482,"usec":805662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181072,"noise_level":-20.259689,"freq_skew":4.839272,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978482,"usec":826324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.641557,"noise_level":-20.380400,"freq_skew":5.783331,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978487,"usec":423455},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725846,"noise_level":-19.115850,"freq_skew":4.887703,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":253}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978488,"usec":164444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881535,"noise_level":-19.076712,"freq_skew":0.861855,"avlc":{"src":{"addr":"44CDCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978488,"usec":932366},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655109,"noise_level":-18.883621,"freq_skew":3.233781,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978488,"usec":942534},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743784,"noise_level":-18.830315,"freq_skew":4.751525,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127222","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,146,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978488,"usec":950091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161169,"noise_level":-19.214886,"freq_skew":4.325771,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978489,"usec":684412},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163262,"noise_level":-19.081022,"freq_skew":4.719511,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978489,"usec":689440},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.166031,"noise_level":-19.430693,"freq_skew":3.252468,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,84,73,0,80,44,232,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978493,"usec":539423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213594,"noise_level":-20.809374,"freq_skew":3.244503,"avlc":{"src":{"addr":"4B1815","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978495,"usec":807850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193848,"noise_level":-20.219654,"freq_skew":3.059854,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978498,"usec":82502},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.792905,"noise_level":-20.417280,"freq_skew":3.049169,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978499,"usec":602466},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894712,"noise_level":-21.239941,"freq_skew":4.477238,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":933,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32604,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[60,224]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978500,"usec":413708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822169,"noise_level":-21.211855,"freq_skew":4.200027,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978501,"usec":177959},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.460683,"noise_level":-20.907661,"freq_skew":5.724697,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1367,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55338,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[82,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":28,"sec":20}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978501,"usec":915716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273855,"noise_level":-21.118391,"freq_skew":4.350898,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978502,"usec":693895},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.117095,"noise_level":-21.028431,"freq_skew":5.837667,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55338,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[165,28]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978504,"usec":209481},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140893,"noise_level":-20.515854,"freq_skew":3.188638,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978505,"usec":714426},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009707,"noise_level":-21.919701,"freq_skew":3.198386,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978507,"usec":283016},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805492,"noise_level":-22.492617,"freq_skew":3.063491,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978507,"usec":297518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723794,"noise_level":-22.332085,"freq_skew":2.035193,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978508,"usec":37440},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.147995,"noise_level":-22.165060,"freq_skew":2.935156,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978513,"usec":361303},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.608303,"noise_level":-23.088478,"freq_skew":4.525894,"avlc":{"src":{"addr":"400111","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978515,"usec":664015},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449881,"noise_level":-23.561878,"freq_skew":3.367669,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":8.700000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978516,"usec":436891},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874262,"noise_level":-25.116573,"freq_skew":2.902465,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978516,"usec":445108},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619619,"noise_level":-25.007675,"freq_skew":2.996708,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LROP"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.600000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978517,"usec":192321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578109,"noise_level":-24.986048,"freq_skew":5.664669,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978517,"usec":959410},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.566703,"noise_level":-25.663588,"freq_skew":3.548818,"avlc":{"src":{"addr":"4400B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":13.700000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978518,"usec":713501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548563,"noise_level":-25.368553,"freq_skew":3.597641,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978520,"usec":229450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.236047,"noise_level":-27.564964,"freq_skew":2.899860,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978520,"usec":245891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.936790,"noise_level":-27.259125,"freq_skew":3.109368,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978522,"usec":546460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122585,"noise_level":-26.380718,"freq_skew":3.280149,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978522,"usec":554431},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978792,"noise_level":-26.237053,"freq_skew":4.574619,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":937,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7922,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[68,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978522,"usec":566524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987095,"noise_level":-26.025915,"freq_skew":3.654151,"avlc":{"src":{"addr":"4400B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978522,"usec":567457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.720532,"noise_level":-26.008551,"freq_skew":2.746019,"avlc":{"src":{"addr":"4CA215","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":139,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7848,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[237,183,11,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978523,"usec":298253},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034242,"noise_level":-25.973923,"freq_skew":3.148078,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978527,"usec":127741},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.916298,"noise_level":-24.354221,"freq_skew":4.313286,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978527,"usec":129230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842678,"noise_level":-24.339895,"freq_skew":3.316684,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978528,"usec":668584},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562085,"noise_level":-24.222155,"freq_skew":3.820491,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978530,"usec":198942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578127,"noise_level":-23.805599,"freq_skew":3.570860,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978533,"usec":240796},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.299829,"noise_level":-22.749870,"freq_skew":3.439098,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIPE"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":9.400001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978534,"usec":46489},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251533,"noise_level":-22.910923,"freq_skew":3.260275,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGMK"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":10.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978537,"usec":78820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899770,"noise_level":-21.774237,"freq_skew":2.851733,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978537,"usec":827773},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.182956,"noise_level":-22.594339,"freq_skew":3.900735,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978540,"usec":91541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203049,"noise_level":-22.710384,"freq_skew":3.152435,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978543,"usec":959587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972620,"noise_level":-22.514317,"freq_skew":3.252929,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978545,"usec":476612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620179,"noise_level":-22.526333,"freq_skew":0.975870,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978546,"usec":229487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630824,"noise_level":-23.406509,"freq_skew":4.761805,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978549,"usec":303389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209819,"noise_level":-24.189804,"freq_skew":4.399262,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978549,"usec":309025},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490408,"noise_level":-24.091864,"freq_skew":0.917536,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978549,"usec":309025},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.490408,"noise_level":-24.091864,"freq_skew":0.917536,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978551,"usec":583840},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733349,"noise_level":-24.074478,"freq_skew":0.817463,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978553,"usec":876809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349444,"noise_level":-23.611643,"freq_skew":3.765221,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978555,"usec":424259},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827411,"noise_level":-23.950157,"freq_skew":3.870164,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6683,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978555,"usec":438871},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.339064,"noise_level":-23.760614,"freq_skew":2.957784,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36500,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[181,243,137,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978557,"usec":712073},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321170,"noise_level":-22.906719,"freq_skew":2.850596,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978558,"usec":476093},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614886,"noise_level":-22.999744,"freq_skew":3.232061,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978561,"usec":542776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875150,"noise_level":-22.764793,"freq_skew":2.093137,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978561,"usec":552543},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.528594,"noise_level":-22.657978,"freq_skew":4.324820,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978561,"usec":561446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009205,"noise_level":-22.552462,"freq_skew":3.370019,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978562,"usec":298010},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525931,"noise_level":-22.448212,"freq_skew":0.782567,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32676,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[249,8,50,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978563,"usec":60458},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.948689,"noise_level":-22.153889,"freq_skew":2.972372,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978563,"usec":87288},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760890,"noise_level":-22.065453,"freq_skew":4.594572,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978563,"usec":88527},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676268,"noise_level":-22.054441,"freq_skew":4.951035,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4680,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978565,"usec":341170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863655,"noise_level":-21.438578,"freq_skew":4.259587,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978566,"usec":109830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709073,"noise_level":-23.432529,"freq_skew":5.042491,"avlc":{"src":{"addr":"48C225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978566,"usec":115200},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377213,"noise_level":-23.368286,"freq_skew":1.068091,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978566,"usec":115200},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.377213,"noise_level":-23.368286,"freq_skew":1.068091,"avlc":{"src":{"addr":"3C6758","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":516,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32676,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[79,212,100,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978566,"usec":868249},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534291,"noise_level":-24.119995,"freq_skew":4.284142,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978566,"usec":870959},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.504098,"noise_level":-24.092123,"freq_skew":3.543667,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":9.900001},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978567,"usec":629793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532784,"noise_level":-24.820660,"freq_skew":4.085590,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978568,"usec":426043},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627358,"noise_level":-24.508591,"freq_skew":4.368188,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"EN04MV","msg_num":"M93","msg_num_seq":"A","msg_text":"00009209207GM((3:R((:(M6V3,SQS:SSSVVTS:VHH3(H(MQV:,(3,M,3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978569,"usec":179808},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647192,"noise_level":-24.869871,"freq_skew":1.651898,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":976,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32552,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[40,94,170,16]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978572,"usec":230996},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676872,"noise_level":-25.411869,"freq_skew":3.913981,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978574,"usec":545976},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.656957,"noise_level":-26.065079,"freq_skew":1.932897,"avlc":{"src":{"addr":"503E9B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978574,"usec":560032},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443392,"noise_level":-25.892197,"freq_skew":3.339595,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":8.500000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978576,"usec":77966},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835538,"noise_level":-27.554760,"freq_skew":3.163328,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":19,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12333,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[102,210,140,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978576,"usec":78846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.572111,"noise_level":-27.926023,"freq_skew":2.523362,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978577,"usec":579749},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153336,"noise_level":-28.260468,"freq_skew":4.790599,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978577,"usec":591821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683520,"noise_level":-27.994781,"freq_skew":3.143483,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978578,"usec":332712},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739843,"noise_level":-27.673712,"freq_skew":3.384280,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH08HR","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978578,"usec":332712},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.739843,"noise_level":-27.673712,"freq_skew":3.384280,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062441","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,76,72,88,0,60,101,33,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978578,"usec":338470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.003829,"noise_level":-28.282104,"freq_skew":2.424237,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978579,"usec":100613},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740990,"noise_level":-28.591642,"freq_skew":2.684799,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978579,"usec":872905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488930,"noise_level":-28.890251,"freq_skew":3.030490,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978580,"usec":632432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556749,"noise_level":-28.528027,"freq_skew":1.918679,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978581,"usec":443036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990023,"noise_level":-28.041401,"freq_skew":3.336572,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978583,"usec":697746},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577778,"noise_level":-26.591089,"freq_skew":3.589519,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":8.000000},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978585,"usec":210873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650584,"noise_level":-25.793995,"freq_skew":3.502115,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978585,"usec":991608},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726576,"noise_level":-25.603336,"freq_skew":3.399377,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISP","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LH0963","msg_num":"S43","msg_num_seq":"A","msg_text":"0EV182943V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":29,"sec":43}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978587,"usec":505208},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.667551,"noise_level":-24.842873,"freq_skew":4.667410,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1765,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":2,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,76,174,146],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978589,"usec":69579},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487423,"noise_level":-24.087856,"freq_skew":3.436093,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIA","mode":"2","label":"_d","blk_id":"0","ack":"T","flight":"LH08HR","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978589,"usec":831693},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.341316,"noise_level":-25.037315,"freq_skew":4.796952,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36454,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[79,217]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978590,"usec":573973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.121408,"noise_level":-24.717506,"freq_skew":2.323939,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978590,"usec":577039},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.718396,"noise_level":-25.813560,"freq_skew":3.245644,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":382,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,54,45,107]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":28,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978592,"usec":854833},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350895,"noise_level":-25.430317,"freq_skew":4.914408,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978596,"usec":705878},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993884,"noise_level":-24.696836,"freq_skew":3.170948,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIA","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"LH08HR","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978602,"usec":829012},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.884283,"noise_level":-23.183290,"freq_skew":4.810603,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,174,146,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978607,"usec":387298},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804749,"noise_level":-21.910839,"freq_skew":4.630021,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978607,"usec":395847},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657878,"noise_level":-21.824680,"freq_skew":3.378307,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1025,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":400,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[2,27,240,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978611,"usec":968696},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449697,"noise_level":-20.477345,"freq_skew":3.233231,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDB"},{"name":"ac_location","value":{"loc":{"lat":48.799999,"lon":11.800000},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978612,"usec":735521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.051574,"noise_level":-21.219810,"freq_skew":3.168654,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978615,"usec":817272},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808596,"noise_level":-20.327646,"freq_skew":4.399242,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":940,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7922,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[51,217]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978615,"usec":825038},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754232,"noise_level":-20.291641,"freq_skew":2.531450,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978617,"usec":329447},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664128,"noise_level":-20.580847,"freq_skew":4.652251,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5260,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[36,89]},{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978619,"usec":626187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.268055,"noise_level":-19.757467,"freq_skew":4.445321,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978623,"usec":444106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.895462,"noise_level":-20.082638,"freq_skew":2.344547,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978628,"usec":806682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023842,"noise_level":-19.330992,"freq_skew":4.700329,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978633,"usec":379394},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638378,"noise_level":-19.772417,"freq_skew":4.446547,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978634,"usec":924662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.525107,"noise_level":-19.882853,"freq_skew":2.323864,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978634,"usec":936675},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440388,"noise_level":-19.789093,"freq_skew":4.320191,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5263,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12133,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[84,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":30,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978635,"usec":702766},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837451,"noise_level":-19.758575,"freq_skew":3.179758,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978637,"usec":211407},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304690,"noise_level":-20.707520,"freq_skew":4.620508,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978637,"usec":977994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.132031,"noise_level":-20.392899,"freq_skew":2.386689,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978637,"usec":983098},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790196,"noise_level":-20.347576,"freq_skew":4.396431,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[95,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978639,"usec":483469},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.932139,"noise_level":-20.671997,"freq_skew":3.294621,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":897,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32518,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":15,"acked_subseq":0,"acked_credit":7}},{"name":"atn_checksum","value":[112,214,231,154]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978639,"usec":483469},"freq":136975000,"burst_len_octets":87,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.932139,"noise_level":-20.671997,"freq_skew":3.294621,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":75,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":898,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32583,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[42,164,231,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978640,"usec":248838},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.557439,"noise_level":-20.394924,"freq_skew":4.696196,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978641,"usec":20870},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433357,"noise_level":-20.047453,"freq_skew":4.527841,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[84,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978644,"usec":94625},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621242,"noise_level":-20.455463,"freq_skew":4.061278,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":32.000000,"flags":246,"pdu_id":501,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978646,"usec":369649},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564263,"noise_level":-20.650642,"freq_skew":4.648188,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[84,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978646,"usec":378684},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.284946,"noise_level":-20.585356,"freq_skew":4.620440,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":408,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978647,"usec":149898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763833,"noise_level":-21.103764,"freq_skew":4.880102,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978648,"usec":692461},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778435,"noise_level":-21.475079,"freq_skew":4.617210,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978650,"usec":199257},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617323,"noise_level":-21.864288,"freq_skew":4.477465,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12133,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[84,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978650,"usec":211761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670422,"noise_level":-21.736052,"freq_skew":4.759503,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978650,"usec":963943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.656159,"noise_level":-22.046431,"freq_skew":3.177102,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978651,"usec":732838},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.468631,"noise_level":-21.680466,"freq_skew":4.998297,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978651,"usec":739803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.310870,"noise_level":-21.606995,"freq_skew":4.534680,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978654,"usec":758349},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828524,"noise_level":-20.742241,"freq_skew":3.188452,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"BA542W","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978654,"usec":764806},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.511288,"noise_level":-20.741829,"freq_skew":2.134108,"avlc":{"src":{"addr":"4B180C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978654,"usec":772978},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.098836,"noise_level":-20.666473,"freq_skew":4.614505,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5268,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12133,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,195]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":14,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":30,"sec":53}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978673,"usec":129291},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.612464,"noise_level":-20.435122,"freq_skew":6.382438,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978673,"usec":129694},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.719904,"noise_level":-20.425995,"freq_skew":4.715483,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978673,"usec":891633},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138383,"noise_level":-20.272276,"freq_skew":3.051907,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":71,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[129,106]},{"name":"atn_checksum","value":[229,206,63,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978674,"usec":648268},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833873,"noise_level":-20.121233,"freq_skew":2.488318,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978676,"usec":968158},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781881,"noise_level":-22.202120,"freq_skew":3.385648,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":71,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[129,106]},{"name":"atn_checksum","value":[229,206,63,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978678,"usec":502954},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.659111,"noise_level":-22.523449,"freq_skew":5.889799,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978680,"usec":754083},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067704,"noise_level":-22.942951,"freq_skew":3.064488,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":50,"dst_ref":12339,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[45,25,197,186]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978681,"usec":518626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970739,"noise_level":-23.576487,"freq_skew":3.046736,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978683,"usec":84400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434265,"noise_level":-23.646467,"freq_skew":4.406030,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978689,"usec":216189},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621420,"noise_level":-22.166439,"freq_skew":4.643531,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36454,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[92,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978691,"usec":485635},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.517518,"noise_level":-22.662287,"freq_skew":5.453001,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978692,"usec":262082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953897,"noise_level":-23.866083,"freq_skew":4.219765,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978693,"usec":758053},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141602,"noise_level":-23.314621,"freq_skew":4.178989,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978696,"usec":41409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.200628,"noise_level":-23.206497,"freq_skew":4.595323,"avlc":{"src":{"addr":"40768D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978699,"usec":881933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596864,"noise_level":-22.662533,"freq_skew":3.859359,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978699,"usec":904790},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398635,"noise_level":-22.406700,"freq_skew":3.301916,"avlc":{"src":{"addr":"4071D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":635,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":71,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[98,132]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978699,"usec":905119},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635267,"noise_level":-22.406700,"freq_skew":4.635618,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978701,"usec":406464},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264249,"noise_level":-22.366840,"freq_skew":4.589644,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978703,"usec":726268},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528656,"noise_level":-22.070501,"freq_skew":5.310596,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978703,"usec":734421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894946,"noise_level":-21.993673,"freq_skew":3.001264,"avlc":{"src":{"addr":"3C66E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978705,"usec":226976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075326,"noise_level":-21.505032,"freq_skew":4.597952,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978706,"usec":4774},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.264067,"noise_level":-22.326052,"freq_skew":5.226204,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978706,"usec":751188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785289,"noise_level":-22.698494,"freq_skew":5.202155,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978708,"usec":277146},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925533,"noise_level":-22.147507,"freq_skew":1.871737,"avlc":{"src":{"addr":"49D676","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..OKCUS","mode":"2","label":"_d","blk_id":"2","ack":"W","flight":"XA0001","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978718,"usec":998624},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866486,"noise_level":-21.228886,"freq_skew":3.897455,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":509,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978722,"usec":848337},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040985,"noise_level":-20.630356,"freq_skew":4.923819,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":921,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978723,"usec":589785},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.593779,"noise_level":-21.154362,"freq_skew":4.315820,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978727,"usec":380888},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348306,"noise_level":-20.713215,"freq_skew":3.423752,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1028,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":400,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[2,27,240,2]}]},{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":82,"dst_ref":400,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[206,125,63,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978728,"usec":922207},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414589,"noise_level":-22.271078,"freq_skew":5.787818,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121102","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,66,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978730,"usec":476882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872878,"noise_level":-22.234171,"freq_skew":7.317235,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978731,"usec":993632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207357,"noise_level":-21.980659,"freq_skew":5.643057,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978732,"usec":5103},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.357910,"noise_level":-22.903282,"freq_skew":6.300427,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":10.900001},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978732,"usec":759199},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313174,"noise_level":-22.628601,"freq_skew":2.468625,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978733,"usec":522665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879143,"noise_level":-22.819386,"freq_skew":2.492451,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978735,"usec":782246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.757713,"noise_level":-23.942551,"freq_skew":4.585494,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978738,"usec":103797},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671321,"noise_level":-23.773573,"freq_skew":4.111284,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWA","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR70ZH","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978738,"usec":124348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656286,"noise_level":-23.898293,"freq_skew":4.271203,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978739,"usec":630756},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206244,"noise_level":-23.720074,"freq_skew":3.393933,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":82,"dst_ref":400,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[206,125,63,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978741,"usec":137496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022447,"noise_level":-23.240364,"freq_skew":4.670826,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978741,"usec":915822},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391660,"noise_level":-22.738016,"freq_skew":5.623441,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6397,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32661,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[130,135]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978742,"usec":725988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789964,"noise_level":-22.388020,"freq_skew":4.152552,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978744,"usec":222879},"freq":136975000,"burst_len_octets":36,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.659896,"noise_level":-22.318619,"freq_skew":3.379211,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":82,"dst_ref":400,"disc_reason_code":133,"disc_reason":"Protocol error","variable_part_params":[{"name":"atn_checksum","value":[206,125,63,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978745,"usec":749682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473294,"noise_level":-21.758545,"freq_skew":5.546837,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978745,"usec":774634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.472494,"noise_level":-21.600464,"freq_skew":4.716848,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978749,"usec":527542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758676,"noise_level":-21.506935,"freq_skew":5.269983,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978749,"usec":539450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231860,"noise_level":-21.302721,"freq_skew":5.187903,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978751,"usec":114405},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664985,"noise_level":-20.802725,"freq_skew":3.613011,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978751,"usec":118618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021841,"noise_level":-20.764698,"freq_skew":4.303344,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978751,"usec":854029},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525922,"noise_level":-20.679749,"freq_skew":3.873633,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWC","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR29GX","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978751,"usec":861219},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664226,"noise_level":-20.558489,"freq_skew":3.723340,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23122550","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,165,104,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978752,"usec":632573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.456934,"noise_level":-20.384253,"freq_skew":5.331123,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978753,"usec":387365},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038319,"noise_level":-20.249123,"freq_skew":3.838442,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978755,"usec":659324},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322642,"noise_level":-22.126545,"freq_skew":5.431176,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978756,"usec":424782},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.284979,"noise_level":-22.361834,"freq_skew":3.089185,"avlc":{"src":{"addr":"4D20B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978757,"usec":229769},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160374,"noise_level":-23.048550,"freq_skew":3.304549,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32698,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[118,68,246,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978757,"usec":981013},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.649352,"noise_level":-22.827709,"freq_skew":3.208435,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978757,"usec":986298},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130102,"noise_level":-22.767773,"freq_skew":5.342880,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1698,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978759,"usec":498969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.619125,"noise_level":-23.221800,"freq_skew":5.403926,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978759,"usec":501678},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958795,"noise_level":-23.184124,"freq_skew":3.456657,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978759,"usec":501678},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.958795,"noise_level":-23.184124,"freq_skew":3.456657,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978761,"usec":779373},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960796,"noise_level":-22.641655,"freq_skew":4.358048,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":17,"dst_ref":12133,"variable_part_params":[{"name":"checksum","value":[106,96]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978762,"usec":535197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.170202,"noise_level":-22.420792,"freq_skew":1.974194,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978762,"usec":536568},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.415158,"noise_level":-23.277061,"freq_skew":5.339689,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,66,65,87,0,64,16,218,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978762,"usec":552892},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804081,"noise_level":-23.126371,"freq_skew":1.929361,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":219,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12327,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[224,115,93,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978766,"usec":390190},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758327,"noise_level":-23.809891,"freq_skew":3.305712,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1031,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12162,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[221,137,126,18]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978768,"usec":651832},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.543910,"noise_level":-23.037197,"freq_skew":3.372041,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978769,"usec":442338},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.778174,"noise_level":-22.418985,"freq_skew":3.443141,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32699,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[97,226,36,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978771,"usec":3259},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764340,"noise_level":-21.841866,"freq_skew":4.127994,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":527,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32612,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[233,154,118,153]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32612,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[5,34,229,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":32,"sec":50}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978771,"usec":758444},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773183,"noise_level":-21.587906,"freq_skew":4.286906,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":389,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[184,193]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":32,"sec":38}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978772,"usec":509816},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061693,"noise_level":-21.402197,"freq_skew":4.035828,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978777,"usec":100675},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.278575,"noise_level":-20.277248,"freq_skew":6.428585,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21345250","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,78,85,0,69,202,168,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978780,"usec":129418},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.421103,"noise_level":-21.421242,"freq_skew":6.109497,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978786,"usec":253818},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.463503,"noise_level":-21.786804,"freq_skew":3.324161,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978787,"usec":11026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083125,"noise_level":-23.112751,"freq_skew":3.257756,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978787,"usec":776914},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856231,"noise_level":-23.754444,"freq_skew":4.074044,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978789,"usec":282145},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684808,"noise_level":-24.262341,"freq_skew":3.133413,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12346,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,152,235,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978790,"usec":46274},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704624,"noise_level":-25.207289,"freq_skew":3.167708,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12346,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[72,199,135,138]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":33,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978790,"usec":69417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.178789,"noise_level":-25.853586,"freq_skew":6.609764,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978790,"usec":819202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707739,"noise_level":-25.618227,"freq_skew":3.279372,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978792,"usec":387425},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110867,"noise_level":-24.855471,"freq_skew":4.049390,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978793,"usec":130165},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481125,"noise_level":-24.660196,"freq_skew":4.375263,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978794,"usec":673012},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071584,"noise_level":-24.528168,"freq_skew":4.139680,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978796,"usec":187196},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.816053,"noise_level":-24.801170,"freq_skew":3.137514,"avlc":{"src":{"addr":"4B1812","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978797,"usec":738151},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.469993,"noise_level":-24.231499,"freq_skew":4.064043,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978797,"usec":743515},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.644722,"noise_level":-24.161093,"freq_skew":3.372568,"avlc":{"src":{"addr":"4D20B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..9HSFJ","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XA0000","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978798,"usec":490034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722901,"noise_level":-23.953238,"freq_skew":2.055621,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978799,"usec":263849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.067767,"noise_level":-23.987963,"freq_skew":6.316168,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978800,"usec":8335},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.779465,"noise_level":-23.784163,"freq_skew":4.348446,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":942,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7922,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[51,217]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978800,"usec":770281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.831373,"noise_level":-23.923496,"freq_skew":3.485975,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978803,"usec":800993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304141,"noise_level":-23.216181,"freq_skew":3.008507,"avlc":{"src":{"addr":"4D20B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978808,"usec":435938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900949,"noise_level":-22.145519,"freq_skew":1.877226,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978813,"usec":783355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.014839,"noise_level":-22.187462,"freq_skew":3.008138,"avlc":{"src":{"addr":"4D20B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978814,"usec":549695},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728499,"noise_level":-21.826344,"freq_skew":3.081720,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":0,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ELLX"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978816,"usec":839264},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817588,"noise_level":-22.861845,"freq_skew":4.185897,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978818,"usec":385692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.460867,"noise_level":-23.107437,"freq_skew":4.280754,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978819,"usec":903084},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957790,"noise_level":-23.555052,"freq_skew":3.160175,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978822,"usec":208428},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461871,"noise_level":-25.448994,"freq_skew":3.967706,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR70ZH","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978822,"usec":941911},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635912,"noise_level":-26.298973,"freq_skew":3.842730,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978823,"usec":700748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774552,"noise_level":-25.844679,"freq_skew":3.961670,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978823,"usec":702772},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421477,"noise_level":-26.574844,"freq_skew":2.781135,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":0,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ELLX"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978823,"usec":712963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.977440,"noise_level":-26.700974,"freq_skew":4.826679,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978824,"usec":509346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.813101,"noise_level":-26.405457,"freq_skew":3.018500,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978824,"usec":512556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683189,"noise_level":-26.369213,"freq_skew":4.719324,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978825,"usec":256940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795831,"noise_level":-26.032248,"freq_skew":4.106787,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978827,"usec":543941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.660336,"noise_level":-24.771500,"freq_skew":3.566354,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978829,"usec":65339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789644,"noise_level":-24.780590,"freq_skew":1.818022,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978829,"usec":74218},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.215092,"noise_level":-25.451460,"freq_skew":5.315422,"avlc":{"src":{"addr":"4010DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978831,"usec":406398},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.178640,"noise_level":-24.358141,"freq_skew":2.987239,"avlc":{"src":{"addr":"4B1812","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978832,"usec":147990},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491606,"noise_level":-24.179266,"freq_skew":3.042530,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"240557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ELLX"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978838,"usec":303855},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.904943,"noise_level":-21.938599,"freq_skew":3.425672,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978839,"usec":797470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.077996,"noise_level":-22.213581,"freq_skew":4.883542,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978839,"usec":805569},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953495,"noise_level":-22.135483,"freq_skew":4.607818,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5279,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978839,"usec":813526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592607,"noise_level":-22.058079,"freq_skew":3.286611,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978839,"usec":814893},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675951,"noise_level":-22.047077,"freq_skew":1.501745,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDU","mode":"2","label":"_d","blk_id":"3","ack":"N","flight":"LH01SP","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978840,"usec":546536},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.375805,"noise_level":-23.162573,"freq_skew":6.418460,"avlc":{"src":{"addr":"45CAA8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":391,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12331,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[96,160,244,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978842,"usec":850649},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509575,"noise_level":-22.082491,"freq_skew":3.169083,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978843,"usec":594476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240683,"noise_level":-21.972794,"freq_skew":4.338217,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978852,"usec":805679},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795163,"noise_level":-22.453999,"freq_skew":3.812030,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978855,"usec":850850},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421710,"noise_level":-22.211779,"freq_skew":3.548871,"avlc":{"src":{"addr":"4CA568","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6684,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978855,"usec":872430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.861706,"noise_level":-22.140863,"freq_skew":4.313617,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978856,"usec":599685},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695085,"noise_level":-22.129757,"freq_skew":5.481111,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32661,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[179,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978857,"usec":378060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.023211,"noise_level":-22.345541,"freq_skew":4.472461,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978859,"usec":683798},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874202,"noise_level":-22.034515,"freq_skew":3.953195,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978860,"usec":476062},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.858021,"noise_level":-21.789974,"freq_skew":4.400505,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978862,"usec":734765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474773,"noise_level":-22.246384,"freq_skew":4.284019,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978862,"usec":749431},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.298277,"noise_level":-22.090300,"freq_skew":1.514454,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978869,"usec":631074},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810922,"noise_level":-21.933260,"freq_skew":5.454824,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6408,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":5,"dst_ref":32661,"variable_part_params":[{"name":"checksum","value":[71,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978869,"usec":635335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.334445,"noise_level":-21.900768,"freq_skew":4.553361,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978870,"usec":365036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310506,"noise_level":-22.093414,"freq_skew":5.673406,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978871,"usec":142483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993465,"noise_level":-21.821386,"freq_skew":4.395741,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978872,"usec":706609},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412869,"noise_level":-21.281469,"freq_skew":3.362518,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978872,"usec":710396},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736207,"noise_level":-21.439125,"freq_skew":3.249654,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1033,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12162,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[221,137,126,18]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978875,"usec":753459},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515143,"noise_level":-21.893021,"freq_skew":4.889241,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978875,"usec":761195},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035800,"noise_level":-21.828453,"freq_skew":2.845207,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978876,"usec":518660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643958,"noise_level":-22.700588,"freq_skew":4.604459,"avlc":{"src":{"addr":"4D226E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978876,"usec":522841},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773900,"noise_level":-22.653303,"freq_skew":4.923984,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978881,"usec":110112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.126347,"noise_level":-22.087364,"freq_skew":4.320614,"avlc":{"src":{"addr":"4CA762","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978884,"usec":145164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257002,"noise_level":-21.106594,"freq_skew":3.479284,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978884,"usec":154778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.788554,"noise_level":-21.037804,"freq_skew":2.862277,"avlc":{"src":{"addr":"3C6486","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978885,"usec":707942},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980096,"noise_level":-21.787329,"freq_skew":4.497156,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978899,"usec":485266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364843,"noise_level":-20.014326,"freq_skew":2.270963,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978910,"usec":934750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.037571,"noise_level":-18.604300,"freq_skew":4.216482,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978912,"usec":497010},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.368196,"noise_level":-18.213789,"freq_skew":3.415316,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978914,"usec":772447},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552570,"noise_level":-19.193108,"freq_skew":2.513989,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978915,"usec":552147},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.745824,"noise_level":-18.866861,"freq_skew":3.436107,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978919,"usec":384058},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891922,"noise_level":-19.958389,"freq_skew":2.654556,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LX-LCL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"CV7331","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978934,"usec":684445},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709996,"noise_level":-19.835867,"freq_skew":3.031646,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978935,"usec":434421},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078778,"noise_level":-20.247429,"freq_skew":5.709728,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4905","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978935,"usec":438188},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.757682,"noise_level":-20.211754,"freq_skew":8.019631,"avlc":{"src":{"addr":"3D77FF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978938,"usec":511593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952963,"noise_level":-20.450645,"freq_skew":5.825864,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4905","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978940,"usec":46752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849284,"noise_level":-22.246645,"freq_skew":4.818395,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978940,"usec":792451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998214,"noise_level":-22.035482,"freq_skew":1.172335,"avlc":{"src":{"addr":"502CE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978942,"usec":331019},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.920439,"noise_level":-22.020973,"freq_skew":4.418581,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978943,"usec":77344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367389,"noise_level":-21.825874,"freq_skew":3.783986,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978945,"usec":343050},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.032717,"noise_level":-20.969223,"freq_skew":4.572855,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978946,"usec":175047},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.445082,"noise_level":-20.710897,"freq_skew":4.241636,"avlc":{"src":{"addr":"47BA1D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978946,"usec":912915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586101,"noise_level":-20.779303,"freq_skew":3.197992,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978949,"usec":208006},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.558634,"noise_level":-20.038979,"freq_skew":5.087815,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978952,"usec":236781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765326,"noise_level":-21.062471,"freq_skew":2.731067,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978953,"usec":33353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.099332,"noise_level":-22.359755,"freq_skew":4.312264,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978954,"usec":566542},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054473,"noise_level":-21.669849,"freq_skew":1.242647,"avlc":{"src":{"addr":"502CE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978954,"usec":576733},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.799507,"noise_level":-21.565212,"freq_skew":5.323441,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978956,"usec":78598},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.437436,"noise_level":-21.208593,"freq_skew":4.154159,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978956,"usec":97594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.569561,"noise_level":-21.020962,"freq_skew":4.216297,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978958,"usec":346428},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921576,"noise_level":-20.499607,"freq_skew":5.153780,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":369,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978959,"usec":118797},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741179,"noise_level":-20.183422,"freq_skew":4.782025,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":271,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":12,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978959,"usec":121457},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.683521,"noise_level":-20.992584,"freq_skew":4.013174,"avlc":{"src":{"addr":"3C6444","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":571,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34525,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[147,141,159,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978959,"usec":919883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936257,"noise_level":-20.790464,"freq_skew":5.437683,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978962,"usec":956496},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.326837,"noise_level":-19.853460,"freq_skew":3.457308,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978969,"usec":842564},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752266,"noise_level":-18.528446,"freq_skew":3.467139,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":911,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978972,"usec":933017},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.435765,"noise_level":-18.102552,"freq_skew":3.554284,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCO","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"PC04HT","msg_num":"M91","msg_num_seq":"A","msg_text":"PC04HT/09SEP26 18:36:06,26965,2130, 180,N 48.733 E 10.653"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978974,"usec":448827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902659,"noise_level":-17.746897,"freq_skew":3.278520,"avlc":{"src":{"addr":"4BB86F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978975,"usec":192350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.192434,"noise_level":-18.545532,"freq_skew":3.463526,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978977,"usec":475084},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714498,"noise_level":-18.879238,"freq_skew":4.115561,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":537,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978982,"usec":862692},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647540,"noise_level":-18.042183,"freq_skew":3.012017,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1035,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978983,"usec":601076},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028496,"noise_level":-18.087658,"freq_skew":4.084310,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978988,"usec":949996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340759,"noise_level":-22.140793,"freq_skew":2.986076,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978988,"usec":951799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291918,"noise_level":-22.793411,"freq_skew":4.921842,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978990,"usec":462564},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492637,"noise_level":-22.113827,"freq_skew":3.001701,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12346,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[199,60,188,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978990,"usec":463846},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816285,"noise_level":-23.028297,"freq_skew":6.133418,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LOM","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"TK07JR","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978991,"usec":246930},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.513110,"noise_level":-23.722229,"freq_skew":4.932517,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5554,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978991,"usec":249204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246787,"noise_level":-23.682323,"freq_skew":5.411342,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978991,"usec":991989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.560116,"noise_level":-23.576790,"freq_skew":3.165779,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978992,"usec":747232},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.746152,"noise_level":-23.939810,"freq_skew":5.127355,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978993,"usec":553059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787341,"noise_level":-23.750492,"freq_skew":1.578301,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978995,"usec":84007},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.905966,"noise_level":-24.010090,"freq_skew":5.521137,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,162,37,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978996,"usec":604442},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587396,"noise_level":-24.123444,"freq_skew":3.258383,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978996,"usec":608231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082292,"noise_level":-24.081654,"freq_skew":3.915146,"avlc":{"src":{"addr":"4CA566","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978996,"usec":608905},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957298,"noise_level":-24.660789,"freq_skew":3.444587,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIA","mode":"2","label":"_d","blk_id":"9","ack":"A","flight":"LH08HR","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978998,"usec":124648},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925642,"noise_level":-23.893547,"freq_skew":4.048055,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978998,"usec":880829},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771867,"noise_level":-23.912668,"freq_skew":4.022890,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"_d","blk_id":"3","ack":"O","flight":"LH02CA","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788978999,"usec":629577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.858724,"noise_level":-23.750645,"freq_skew":5.077919,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979001,"usec":187235},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.120077,"noise_level":-24.999962,"freq_skew":5.178967,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979002,"usec":711319},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372704,"noise_level":-24.374310,"freq_skew":4.940651,"avlc":{"src":{"addr":"3C5EE6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWF","mode":"2","label":"_d","blk_id":"4","ack":"B","flight":"LH34EM","msg_num":"S50","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979004,"usec":251694},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.950932,"noise_level":-23.383791,"freq_skew":5.344268,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":4,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":66,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[89,153]},{"name":"atn_checksum","value":[104,63,147,197]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979006,"usec":551948},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028308,"noise_level":-24.192104,"freq_skew":3.243787,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIIA","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH08HR","msg_num":"M93","msg_num_seq":"A","msg_text":"000601AD096,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979007,"usec":333822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163896,"noise_level":-24.245796,"freq_skew":5.491350,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979008,"usec":842544},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357103,"noise_level":-23.750380,"freq_skew":4.583405,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25285,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[187,114,192,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979008,"usec":848810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576756,"noise_level":-24.748327,"freq_skew":3.288849,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979009,"usec":593822},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943480,"noise_level":-24.323730,"freq_skew":4.357245,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979015,"usec":717697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767633,"noise_level":-24.340603,"freq_skew":3.595521,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979019,"usec":501439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730643,"noise_level":-24.522526,"freq_skew":2.136559,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979020,"usec":302611},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625526,"noise_level":-24.108570,"freq_skew":2.240715,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LOWW"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979020,"usec":303103},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.495525,"noise_level":-24.331478,"freq_skew":7.980825,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJU","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EN04JE","msg_num":"M08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979021,"usec":848278},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795420,"noise_level":-24.146694,"freq_skew":1.469347,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979022,"usec":588172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.365398,"noise_level":-24.938946,"freq_skew":3.884501,"avlc":{"src":{"addr":"44D1A7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979022,"usec":589172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.627880,"noise_level":-24.923620,"freq_skew":8.243300,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979022,"usec":592857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820372,"noise_level":-24.877811,"freq_skew":2.214637,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979023,"usec":344791},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465371,"noise_level":-25.253254,"freq_skew":4.743082,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979023,"usec":356429},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963426,"noise_level":-25.095661,"freq_skew":2.153248,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAQ","mode":"2","label":"_d","blk_id":"7","ack":"A","flight":"BT0270","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979024,"usec":102538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.772878,"noise_level":-25.548288,"freq_skew":3.786746,"avlc":{"src":{"addr":"44D1A7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979024,"usec":862324},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752032,"noise_level":-25.115053,"freq_skew":4.614129,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979024,"usec":865088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347291,"noise_level":-25.068224,"freq_skew":2.203418,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979027,"usec":152751},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863444,"noise_level":-23.809570,"freq_skew":4.457739,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":275,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25285,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[115,204,185,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":37,"sec":5}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979030,"usec":986897},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322070,"noise_level":-23.207693,"freq_skew":4.650242,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979030,"usec":998935},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856126,"noise_level":-23.107740,"freq_skew":4.633317,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979035,"usec":583164},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823565,"noise_level":-22.753925,"freq_skew":4.533515,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32704,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[177,51]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979035,"usec":591403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583508,"noise_level":-22.955807,"freq_skew":5.693016,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979036,"usec":353470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773405,"noise_level":-22.644083,"freq_skew":2.778448,"avlc":{"src":{"addr":"3C6749","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979037,"usec":857551},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021972,"noise_level":-23.301670,"freq_skew":6.382484,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979038,"usec":632027},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974923,"noise_level":-23.445812,"freq_skew":3.689837,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979043,"usec":220342},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061207,"noise_level":-22.539871,"freq_skew":3.322805,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":73,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":916,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32518,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[77,125,216,216]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32518,"sseq":19,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,14,193,157]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"adsc_v2":{"adsc_aircraft_pdus":{"adsc_msg_timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":37,"sec":20}},"adsc_aircraft_pdu":{"choice":"aDS-cancel-positive-acknowledgement-PDU","data":{"adsc_cancel_ack":"cancel-all-contracts"}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979047,"usec":834688},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.367605,"noise_level":-21.828203,"freq_skew":4.965104,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5555,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32492,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[211,223]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979048,"usec":597993},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.329614,"noise_level":-21.533089,"freq_skew":2.990574,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979053,"usec":146360},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.990854,"noise_level":-20.102434,"freq_skew":3.406507,"avlc":{"src":{"addr":"3C6521","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":7.400000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979053,"usec":146755},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897376,"noise_level":-20.102434,"freq_skew":2.963635,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1037,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12162,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,160,60,128]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":37,"sec":32}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979054,"usec":691122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871331,"noise_level":-19.800138,"freq_skew":3.028386,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979054,"usec":706467},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169248,"noise_level":-19.682104,"freq_skew":3.199774,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1038,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12162,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[156,118,42,95]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979057,"usec":737979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.674391,"noise_level":-18.844559,"freq_skew":5.724070,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979060,"usec":840428},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980780,"noise_level":-21.064585,"freq_skew":2.974137,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979061,"usec":591784},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635443,"noise_level":-21.300259,"freq_skew":2.978745,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979062,"usec":336266},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814613,"noise_level":-21.365644,"freq_skew":2.858440,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":637,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":5292,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[0,216,201,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979063,"usec":82005},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883840,"noise_level":-22.063324,"freq_skew":4.363694,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979063,"usec":861612},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826696,"noise_level":-22.140694,"freq_skew":2.887428,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979066,"usec":905179},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105447,"noise_level":-21.220682,"freq_skew":2.857002,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979072,"usec":252811},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977541,"noise_level":-20.609911,"freq_skew":4.941860,"avlc":{"src":{"addr":"44042F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,74,85,0,68,4,47,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979073,"usec":11782},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800656,"noise_level":-20.743229,"freq_skew":4.861188,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979074,"usec":582179},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961564,"noise_level":-20.211071,"freq_skew":2.956107,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12362,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,253,34,190]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":37,"sec":46}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979075,"usec":325970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619202,"noise_level":-20.730371,"freq_skew":3.822913,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979076,"usec":81436},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507614,"noise_level":-20.515739,"freq_skew":2.867391,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979077,"usec":616538},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.200571,"noise_level":-19.979589,"freq_skew":2.851800,"avlc":{"src":{"addr":"502CE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12362,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[10,26,8,0]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979079,"usec":131015},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.385584,"noise_level":-19.768898,"freq_skew":2.528790,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32733,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[51,98,75,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":37,"sec":57}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979083,"usec":730207},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.966149,"noise_level":-19.463717,"freq_skew":4.317705,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR09DT","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979092,"usec":116302},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898976,"noise_level":-18.227577,"freq_skew":5.021194,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979100,"usec":519086},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088133,"noise_level":-16.948799,"freq_skew":4.381173,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979103,"usec":606606},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291234,"noise_level":-16.582920,"freq_skew":2.947159,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":86,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32736,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[22,177]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979108,"usec":987476},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862391,"noise_level":-19.146091,"freq_skew":4.404662,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979109,"usec":734782},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240967,"noise_level":-20.890549,"freq_skew":2.976596,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":88,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32736,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[90,20]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979109,"usec":734782},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.240967,"noise_level":-20.890549,"freq_skew":2.976596,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":32736,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[148,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979110,"usec":505006},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997699,"noise_level":-20.776224,"freq_skew":3.276774,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979112,"usec":13711},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730596,"noise_level":-20.440853,"freq_skew":3.184104,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979114,"usec":328164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815629,"noise_level":-20.649080,"freq_skew":3.175520,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979114,"usec":344930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022001,"noise_level":-20.500599,"freq_skew":3.650567,"avlc":{"src":{"addr":"4D205C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979115,"usec":96851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807482,"noise_level":-21.277401,"freq_skew":3.230767,"avlc":{"src":{"addr":"4CA900","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979115,"usec":856643},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575100,"noise_level":-21.182350,"freq_skew":1.191123,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979116,"usec":610708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266570,"noise_level":-21.271610,"freq_skew":1.305290,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979116,"usec":615692},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.439644,"noise_level":-22.284416,"freq_skew":3.064656,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":89,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":3,"dst_ref":32736,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[148,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979117,"usec":368193},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166389,"noise_level":-22.250586,"freq_skew":3.156895,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":92,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32739,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[75,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979125,"usec":768144},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272732,"noise_level":-20.199265,"freq_skew":3.100168,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".JA932A","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"NH0232","msg_num":"D32","msg_num_seq":"E","sublabel":"DF","msg_text":" 4547"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979125,"usec":780013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920895,"noise_level":-20.436016,"freq_skew":4.325222,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979128,"usec":45336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762434,"noise_level":-20.213264,"freq_skew":2.774130,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979128,"usec":47061},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510419,"noise_level":-20.204370,"freq_skew":1.222153,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12327,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[4,17,99,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979131,"usec":134133},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772088,"noise_level":-20.482767,"freq_skew":5.059635,"avlc":{"src":{"addr":"44042F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979134,"usec":913162},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957592,"noise_level":-19.867392,"freq_skew":5.116158,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":5,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":67,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[118,116]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979135,"usec":717358},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549083,"noise_level":-20.460571,"freq_skew":3.774292,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":32.000000,"flags":246,"pdu_id":504,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12374,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[84,28,177,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979136,"usec":492032},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626596,"noise_level":-21.367634,"freq_skew":3.707054,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":32.000000,"flags":246,"pdu_id":506,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12374,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[199,187,172,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979138,"usec":29954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.392529,"noise_level":-21.980591,"freq_skew":3.924012,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979138,"usec":766502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988980,"noise_level":-21.882946,"freq_skew":4.115780,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979143,"usec":370534},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499909,"noise_level":-21.247768,"freq_skew":6.425280,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LOM","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"TK07JR","msg_num":"C09","msg_num_seq":"A","sublabel":"CF","msg_text":".1/FLR/FR2609091837 23333906PES 1,,,,,,,HANDSET(201MK)SR18B,HARD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979144,"usec":123840},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.607256,"noise_level":-21.361568,"freq_skew":4.385847,"avlc":{"src":{"addr":"4CA302","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5286,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979147,"usec":931371},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424522,"noise_level":-20.382765,"freq_skew":5.219207,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":11.500000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979149,"usec":483235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213877,"noise_level":-21.153605,"freq_skew":6.323599,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979149,"usec":484585},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554282,"noise_level":-21.143688,"freq_skew":6.158638,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LOM","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"TK07JR","msg_num":"S51","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979150,"usec":256212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048177,"noise_level":-21.102978,"freq_skew":6.190183,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979154,"usec":29601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477674,"noise_level":-20.810003,"freq_skew":2.680079,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979160,"usec":912510},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305677,"noise_level":-20.825079,"freq_skew":5.388267,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979161,"usec":720066},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722282,"noise_level":-22.166376,"freq_skew":5.001790,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":11.500000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979162,"usec":474201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.076225,"noise_level":-22.264389,"freq_skew":3.289707,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979163,"usec":249739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079700,"noise_level":-21.835506,"freq_skew":3.241545,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":96,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32739,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[56,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979165,"usec":524625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839773,"noise_level":-21.139797,"freq_skew":3.040746,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979171,"usec":649254},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851170,"noise_level":-19.640232,"freq_skew":5.125268,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55393,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[183,43,117,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979174,"usec":726402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.200433,"noise_level":-20.058910,"freq_skew":6.743412,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979176,"usec":235306},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989704,"noise_level":-21.041302,"freq_skew":1.943491,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979176,"usec":992550},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243754,"noise_level":-21.862238,"freq_skew":1.186518,"avlc":{"src":{"addr":"502CE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979179,"usec":292624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857521,"noise_level":-22.517433,"freq_skew":2.209550,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979179,"usec":294990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.660431,"noise_level":-22.718571,"freq_skew":1.313965,"avlc":{"src":{"addr":"502CE7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979180,"usec":34156},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940153,"noise_level":-22.704172,"freq_skew":2.876044,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32733,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[16,229,9,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979180,"usec":789258},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933631,"noise_level":-22.435623,"freq_skew":2.062962,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979180,"usec":789809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-8.151566,"noise_level":-22.435623,"freq_skew":2.027708,"avlc":{"src":{"addr":"49D676","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979183,"usec":869363},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607437,"noise_level":-21.438961,"freq_skew":4.533335,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32704,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[84,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":39,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979185,"usec":382175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888412,"noise_level":-20.873463,"freq_skew":4.725175,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979186,"usec":907929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669858,"noise_level":-20.896961,"freq_skew":2.869324,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979191,"usec":524764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749046,"noise_level":-20.457844,"freq_skew":3.094791,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979193,"usec":20632},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947415,"noise_level":-21.004560,"freq_skew":3.093489,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":99,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32739,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[52,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979193,"usec":783056},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991012,"noise_level":-20.716848,"freq_skew":4.656786,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32704,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[119,200]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":39,"sec":52}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979195,"usec":300988},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.830461,"noise_level":-20.248602,"freq_skew":4.578178,"avlc":{"src":{"addr":"4D2221","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6469,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32704,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[227,165]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979195,"usec":307516},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567903,"noise_level":-20.749069,"freq_skew":5.095482,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979195,"usec":312227},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.269302,"noise_level":-20.873066,"freq_skew":5.135314,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWO","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH05AE","msg_num":"S84","msg_num_seq":"A","msg_text":"0EV183952V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":39,"sec":52}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979196,"usec":116596},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746442,"noise_level":-20.636213,"freq_skew":5.177341,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979198,"usec":386269},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.530812,"noise_level":-20.932060,"freq_skew":5.213006,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979199,"usec":915361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072570,"noise_level":-20.361359,"freq_skew":4.964397,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979202,"usec":985492},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078474,"noise_level":-19.516428,"freq_skew":4.659019,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNR","mode":"2","label":"_d","blk_id":"3","ack":"H","flight":"W60331","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979202,"usec":996166},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180639,"noise_level":-19.434658,"freq_skew":3.198304,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979203,"usec":3084},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.156254,"noise_level":-20.243629,"freq_skew":2.770655,"avlc":{"src":{"addr":"451D85","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LYBE"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":14.600000},"alt":19000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979204,"usec":524187},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.491902,"noise_level":-19.850664,"freq_skew":5.218344,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":5.900000},"alt":123000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979204,"usec":534047},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190934,"noise_level":-19.774160,"freq_skew":2.897404,"avlc":{"src":{"addr":"451D85","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-SOF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FB047F","msg_num":"M38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979205,"usec":259695},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712774,"noise_level":-19.715120,"freq_skew":3.262136,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":71,"dst_ref":12379,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[35,151,25,135]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979205,"usec":266391},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511593,"noise_level":-20.007746,"freq_skew":5.047316,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127664","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,175,180,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979206,"usec":808838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007800,"noise_level":-21.626457,"freq_skew":3.253788,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979208,"usec":290371},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723483,"noise_level":-21.376896,"freq_skew":3.529796,"avlc":{"src":{"addr":"46B836","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":435,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12379,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[122,7,100,92]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":40,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979208,"usec":291473},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723652,"noise_level":-21.506269,"freq_skew":5.056456,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979211,"usec":413421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196301,"noise_level":-23.239594,"freq_skew":3.209553,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979214,"usec":427535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451517,"noise_level":-23.592491,"freq_skew":1.958219,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979215,"usec":986291},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923667,"noise_level":-22.996075,"freq_skew":4.990258,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979215,"usec":990909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964097,"noise_level":-23.289452,"freq_skew":5.407397,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979216,"usec":752617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.821844,"noise_level":-22.984304,"freq_skew":2.797096,"avlc":{"src":{"addr":"4D2085","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979217,"usec":512044},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305605,"noise_level":-23.110838,"freq_skew":1.092788,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979219,"usec":45163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623618,"noise_level":-22.712418,"freq_skew":5.064959,"avlc":{"src":{"addr":"44042F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979220,"usec":564137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945676,"noise_level":-22.127220,"freq_skew":3.907100,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979223,"usec":625556},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.257571,"noise_level":-21.997463,"freq_skew":4.379702,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979224,"usec":399388},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585137,"noise_level":-21.942570,"freq_skew":1.983800,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979225,"usec":900548},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.405808,"noise_level":-21.570452,"freq_skew":1.215144,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979227,"usec":426087},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.212126,"noise_level":-21.416910,"freq_skew":4.538605,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNR","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"W60331","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979229,"usec":762942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.350853,"noise_level":-21.035383,"freq_skew":4.520518,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25285,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[87,49,222,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979230,"usec":490477},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.388598,"noise_level":-20.940542,"freq_skew":4.713918,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNR","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"W60331","msg_num":"F57","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AK,71605F"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979230,"usec":493537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.578485,"noise_level":-21.127941,"freq_skew":4.400970,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979231,"usec":250437},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.559029,"noise_level":-21.019821,"freq_skew":4.381822,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40755,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[241,79,77,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979231,"usec":253419},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.295928,"noise_level":-20.942024,"freq_skew":4.632414,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":285,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":40755,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[141,79,7,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979234,"usec":298116},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910803,"noise_level":-19.928883,"freq_skew":1.075725,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":10.100000},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979235,"usec":72998},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578806,"noise_level":-21.584446,"freq_skew":1.049713,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12327,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[4,17,99,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979235,"usec":814877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349730,"noise_level":-22.183723,"freq_skew":1.056924,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979237,"usec":379909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499302,"noise_level":-22.808046,"freq_skew":2.691382,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979237,"usec":388596},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757148,"noise_level":-22.712563,"freq_skew":2.748786,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH008J","msg_num":"M46","msg_num_seq":"A","msg_text":"00114209272K7:7*QOYYP48URDP8K-830344MF9JD0F4T::1P:AAH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979238,"usec":914434},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.157639,"noise_level":-24.602354,"freq_skew":4.189950,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979239,"usec":656590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142338,"noise_level":-24.398201,"freq_skew":2.756809,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979239,"usec":657422},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.591967,"noise_level":-24.725948,"freq_skew":1.042381,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979241,"usec":188134},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.649353,"noise_level":-23.830812,"freq_skew":4.454917,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNR","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"W60331","msg_num":"F58","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AC,3018259"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979242,"usec":736366},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866357,"noise_level":-24.300705,"freq_skew":5.095484,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979242,"usec":739182},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.721771,"noise_level":-24.885868,"freq_skew":2.927163,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":280,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979242,"usec":746085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.897709,"noise_level":-24.794882,"freq_skew":4.520465,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979242,"usec":752339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372459,"noise_level":-24.689919,"freq_skew":3.764424,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979242,"usec":757093},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629424,"noise_level":-24.645319,"freq_skew":5.328640,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":323,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32726,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[236,84,129,106]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32726,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,232,242,148]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":40,"sec":40}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979246,"usec":549824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621848,"noise_level":-23.898468,"freq_skew":1.022555,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979248,"usec":42861},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.223784,"noise_level":-23.832615,"freq_skew":5.115975,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979249,"usec":613908},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939498,"noise_level":-24.469873,"freq_skew":5.248510,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":325,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32726,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[66,33,179,21]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979250,"usec":383809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058031,"noise_level":-24.003098,"freq_skew":4.213916,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979252,"usec":658491},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.291795,"noise_level":-23.948431,"freq_skew":4.626904,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979252,"usec":668744},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461808,"noise_level":-23.893091,"freq_skew":2.972210,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":7.500000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979253,"usec":399912},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703669,"noise_level":-23.771563,"freq_skew":2.948274,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH002B","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979253,"usec":401284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570422,"noise_level":-23.731430,"freq_skew":3.189731,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979254,"usec":942697},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898897,"noise_level":-23.645447,"freq_skew":3.203406,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":740,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[193,232,43,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979255,"usec":687018},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909500,"noise_level":-23.540359,"freq_skew":2.834498,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH008J","msg_num":"M47","msg_num_seq":"A","msg_text":"00115234251IX,LSSR3RIWW5RDBD3TR3RI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979255,"usec":705492},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.236307,"noise_level":-23.359459,"freq_skew":4.143712,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"LPPT"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":5.500000},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979255,"usec":707206},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905720,"noise_level":-23.346682,"freq_skew":4.912586,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979257,"usec":249548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579692,"noise_level":-23.630573,"freq_skew":4.130730,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979258,"usec":16379},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809603,"noise_level":-24.903770,"freq_skew":4.806221,"avlc":{"src":{"addr":"4BC844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":380,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979258,"usec":19382},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836876,"noise_level":-25.350189,"freq_skew":4.168265,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979259,"usec":543356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.798218,"noise_level":-25.146006,"freq_skew":3.668197,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979260,"usec":276395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826092,"noise_level":-24.837391,"freq_skew":5.287431,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979266,"usec":399471},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416862,"noise_level":-22.909634,"freq_skew":3.998077,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32475,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[48,133]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979271,"usec":766254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720382,"noise_level":-21.930208,"freq_skew":5.830276,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979272,"usec":525926},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555536,"noise_level":-21.737125,"freq_skew":2.047415,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979279,"usec":397938},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979629,"noise_level":-21.599352,"freq_skew":3.161867,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"LH002B","msg_num":"S67","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979280,"usec":168152},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610869,"noise_level":-21.392982,"freq_skew":-0.360329,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":5}},{"name":"avlc_specific_options","value":[36]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":6.800000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979280,"usec":175539},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974385,"noise_level":-21.321896,"freq_skew":5.253909,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SBH","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"SN04HU","msg_num":"M64","msg_num_seq":"A","msg_text":"/EDDM.TI2/040EDDMA6B38"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979281,"usec":693586},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.543734,"noise_level":-22.058300,"freq_skew":5.303739,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979283,"usec":214295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557034,"noise_level":-22.989283,"freq_skew":4.140816,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979284,"usec":764108},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603379,"noise_level":-23.556776,"freq_skew":2.344635,"avlc":{"src":{"addr":"3C6741","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979284,"usec":782671},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043862,"noise_level":-23.349953,"freq_skew":2.155388,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979287,"usec":795791},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243201,"noise_level":-22.579107,"freq_skew":4.962149,"avlc":{"src":{"addr":"44042F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":65,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":47.000000,"flags":192,"pdu_id":21628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":25293,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[114,140]}]}]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979288,"usec":582090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.123420,"noise_level":-22.280390,"freq_skew":3.038919,"avlc":{"src":{"addr":"451D85","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979290,"usec":126152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814171,"noise_level":-21.797157,"freq_skew":7.955687,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979290,"usec":883854},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885011,"noise_level":-22.732788,"freq_skew":2.966453,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":101,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32739,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[252,188]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979291,"usec":649784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511629,"noise_level":-22.394432,"freq_skew":5.228779,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979293,"usec":167585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575572,"noise_level":-21.840334,"freq_skew":1.102983,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979297,"usec":14232},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963373,"noise_level":-23.507727,"freq_skew":3.044586,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979297,"usec":771081},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958937,"noise_level":-23.302055,"freq_skew":1.040778,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDU","mode":"2","label":"_d","blk_id":"9","ack":"P","flight":"LH01SP","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979299,"usec":293040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.280931,"noise_level":-23.970493,"freq_skew":5.325132,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979299,"usec":296495},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.384788,"noise_level":-23.929432,"freq_skew":5.313981,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55393,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[183,43,117,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979303,"usec":83846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752877,"noise_level":-22.666164,"freq_skew":2.907153,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979309,"usec":197945},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794266,"noise_level":-21.509792,"freq_skew":-0.363090,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[36]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EGNM"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":6.700000},"alt":34000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979310,"usec":13008},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980983,"noise_level":-21.185211,"freq_skew":-0.565697,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-GDFG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LS0036","msg_num":"M77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979311,"usec":527764},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853063,"noise_level":-22.243214,"freq_skew":-0.340429,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979312,"usec":282788},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.972421,"noise_level":-22.676903,"freq_skew":-0.338408,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979312,"usec":287381},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955459,"noise_level":-22.629745,"freq_skew":-0.425709,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979312,"usec":291793},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813635,"noise_level":-22.582844,"freq_skew":5.429018,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":329,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979314,"usec":563890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590665,"noise_level":-23.211773,"freq_skew":0.819574,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979316,"usec":850264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181795,"noise_level":-23.003208,"freq_skew":-0.232925,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979316,"usec":860667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721233,"noise_level":-22.881329,"freq_skew":-0.314278,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979318,"usec":404839},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467916,"noise_level":-22.694090,"freq_skew":-0.275535,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":218,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32658,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,19,115,169]},{"name":"subseq_num","value":2}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979319,"usec":173185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.185257,"noise_level":-22.927713,"freq_skew":4.856337,"avlc":{"src":{"addr":"4D201F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979319,"usec":929778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796452,"noise_level":-22.558477,"freq_skew":-0.256344,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979322,"usec":204137},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852364,"noise_level":-22.472614,"freq_skew":3.262244,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":102,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979322,"usec":957557},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721341,"noise_level":-22.222233,"freq_skew":-0.399975,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":218,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32658,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,19,115,169]},{"name":"subseq_num","value":2}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979327,"usec":575488},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.288299,"noise_level":-21.677256,"freq_skew":0.982537,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12327,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[4,17,99,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979327,"usec":576244},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765818,"noise_level":-22.815327,"freq_skew":-0.438378,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":218,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":80,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32658,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[186,19,115,169]},{"name":"subseq_num","value":2}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979329,"usec":839028},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.910283,"noise_level":-22.958403,"freq_skew":5.224065,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979332,"usec":923050},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531806,"noise_level":-21.751881,"freq_skew":6.055322,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6410,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979334,"usec":456611},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032464,"noise_level":-22.254763,"freq_skew":-0.542993,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979335,"usec":181549},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783276,"noise_level":-22.054401,"freq_skew":4.073709,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12293,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[247,244,206,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979335,"usec":183918},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870147,"noise_level":-22.406645,"freq_skew":-0.555894,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979335,"usec":944836},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238919,"noise_level":-22.326797,"freq_skew":5.895946,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979338,"usec":282221},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504981,"noise_level":-21.970079,"freq_skew":4.083821,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12293,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[247,244,206,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979341,"usec":299688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.018898,"noise_level":-21.711998,"freq_skew":2.023517,"avlc":{"src":{"addr":"710100","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979341,"usec":301407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454649,"noise_level":-21.680321,"freq_skew":3.985038,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979344,"usec":401467},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099969,"noise_level":-20.979607,"freq_skew":1.872257,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":602,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[108,124]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979345,"usec":164404},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.834358,"noise_level":-20.768291,"freq_skew":5.141620,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TUMN","mode":"2","label":"_d","blk_id":"8","ack":"V","flight":"BY07BX","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979345,"usec":169980},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.394779,"noise_level":-20.720974,"freq_skew":0.908902,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":234,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979347,"usec":424564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460768,"noise_level":-20.199022,"freq_skew":4.543254,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979347,"usec":452339},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931903,"noise_level":-20.005667,"freq_skew":5.313215,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979349,"usec":720403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.737606,"noise_level":-19.385181,"freq_skew":0.783744,"avlc":{"src":{"addr":"4B193E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979352,"usec":44339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.603117,"noise_level":-18.821236,"freq_skew":4.300054,"avlc":{"src":{"addr":"3C66E8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979352,"usec":792010},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.774205,"noise_level":-18.760775,"freq_skew":3.740079,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979352,"usec":796327},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006125,"noise_level":-18.730701,"freq_skew":5.351694,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979352,"usec":800142},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.435161,"noise_level":-18.700735,"freq_skew":3.654639,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":73,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32758,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[58,126,193,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979355,"usec":84972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806843,"noise_level":-18.073259,"freq_skew":3.794358,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"_d","blk_id":"7","ack":"P","flight":"LH02CA","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979356,"usec":597282},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.251480,"noise_level":-19.797483,"freq_skew":5.299004,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979356,"usec":597282},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.251480,"noise_level":-19.797483,"freq_skew":5.299004,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979356,"usec":602883},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058535,"noise_level":-20.706930,"freq_skew":5.201815,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979357,"usec":335688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.280167,"noise_level":-21.462532,"freq_skew":3.184102,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979358,"usec":910197},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148103,"noise_level":-22.023952,"freq_skew":5.244621,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979358,"usec":912224},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942255,"noise_level":-22.002048,"freq_skew":5.134491,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":338,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[219,159,54,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979359,"usec":668615},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889466,"noise_level":-22.620756,"freq_skew":5.183695,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979359,"usec":668615},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.889466,"noise_level":-22.620756,"freq_skew":5.183695,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":339,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":59,"dst_ref":32713,"variable_part_params":[{"name":"atn_checksum","value":[254,113,101,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979359,"usec":670133},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.704688,"noise_level":-23.308681,"freq_skew":4.078470,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6790,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32475,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[48,133]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979360,"usec":431182},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994830,"noise_level":-22.898962,"freq_skew":5.125669,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":340,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[49,108,104,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979361,"usec":191437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633496,"noise_level":-23.446188,"freq_skew":3.905848,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979361,"usec":949446},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090827,"noise_level":-23.780613,"freq_skew":3.845814,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979361,"usec":953909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838164,"noise_level":-23.740437,"freq_skew":1.883425,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979364,"usec":214187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897544,"noise_level":-25.476620,"freq_skew":5.154724,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979364,"usec":218073},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616361,"noise_level":-25.411594,"freq_skew":3.665548,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979366,"usec":553247},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778605,"noise_level":-24.798645,"freq_skew":3.902815,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":544,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":74,"dst_ref":12293,"variable_part_params":[{"name":"atn_checksum","value":[204,11,103,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979366,"usec":557874},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598988,"noise_level":-25.748665,"freq_skew":3.680336,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979367,"usec":305471},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647590,"noise_level":-25.620300,"freq_skew":5.437265,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979368,"usec":55067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204248,"noise_level":-25.358841,"freq_skew":1.097108,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979368,"usec":69770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.783467,"noise_level":-26.270729,"freq_skew":3.868647,"avlc":{"src":{"addr":"4A08E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979368,"usec":821552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300189,"noise_level":-25.971973,"freq_skew":6.068522,"avlc":{"src":{"addr":"4BB1ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979370,"usec":330538},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152689,"noise_level":-25.179996,"freq_skew":3.013115,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7960,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[147,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979371,"usec":96572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089252,"noise_level":-24.798510,"freq_skew":1.854810,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979373,"usec":432864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907806,"noise_level":-23.694555,"freq_skew":2.100228,"avlc":{"src":{"addr":"502D0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979374,"usec":172431},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539313,"noise_level":-24.220047,"freq_skew":3.061859,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":742,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[23,181,93,227]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,2,172,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":42,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979375,"usec":693520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531241,"noise_level":-23.567446,"freq_skew":3.104174,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979376,"usec":466507},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.741557,"noise_level":-23.522938,"freq_skew":3.589996,"avlc":{"src":{"addr":"4B15A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979381,"usec":80157},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716093,"noise_level":-22.507931,"freq_skew":3.070724,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979387,"usec":196627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.818058,"noise_level":-21.451271,"freq_skew":2.935062,"avlc":{"src":{"addr":"451D85","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979390,"usec":221267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869878,"noise_level":-20.353394,"freq_skew":5.136166,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979394,"usec":831958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806278,"noise_level":-19.121964,"freq_skew":5.304012,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979403,"usec":991224},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778912,"noise_level":-22.847147,"freq_skew":1.855957,"avlc":{"src":{"addr":"3C6753","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":25331,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":512},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[99,112]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[55,29,87,208]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979404,"usec":733044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168472,"noise_level":-23.358107,"freq_skew":2.189982,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979406,"usec":310810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.251535,"noise_level":-23.500463,"freq_skew":4.490325,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979407,"usec":75112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.372855,"noise_level":-23.728201,"freq_skew":4.955211,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979410,"usec":105972},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210368,"noise_level":-22.694965,"freq_skew":3.151556,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32739,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[40,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979412,"usec":423084},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825623,"noise_level":-22.286367,"freq_skew":2.795162,"avlc":{"src":{"addr":"873312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979433,"usec":79525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090671,"noise_level":-18.310593,"freq_skew":2.990169,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979436,"usec":95990},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.562477,"noise_level":-19.394100,"freq_skew":5.210196,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979436,"usec":116542},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625340,"noise_level":-19.849091,"freq_skew":4.451395,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5945,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979436,"usec":849361},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.763953,"noise_level":-19.815012,"freq_skew":6.087651,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":254,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12407,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[73,62,73,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979445,"usec":302598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074405,"noise_level":-17.637810,"freq_skew":4.590214,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979457,"usec":503417},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.381054,"noise_level":-24.248188,"freq_skew":3.897302,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6792,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32475,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[63,40]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979458,"usec":251453},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593501,"noise_level":-24.052103,"freq_skew":3.860166,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6793,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32475,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[1,64]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":12,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":44,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979458,"usec":262219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.668822,"noise_level":-24.348242,"freq_skew":0.761401,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979459,"usec":804330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.209846,"noise_level":-23.887789,"freq_skew":4.071675,"avlc":{"src":{"addr":"4CAE55","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979460,"usec":587370},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.792309,"noise_level":-24.731953,"freq_skew":2.785233,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":745,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[223,34,138,126]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[156,100,192,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":44,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979462,"usec":86400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713950,"noise_level":-25.719690,"freq_skew":3.015436,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979462,"usec":88246},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.205409,"noise_level":-25.702927,"freq_skew":3.496173,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH02CA","msg_num":"D79","msg_num_seq":"J","sublabel":"DF","msg_text":",N0250,075,024,047,025,009,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979462,"usec":837925},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840035,"noise_level":-25.626701,"freq_skew":5.140943,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979464,"usec":365198},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627448,"noise_level":-26.234358,"freq_skew":0.725984,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12327,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[101,129,55,250]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":44,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979464,"usec":383899},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.989414,"noise_level":-25.919640,"freq_skew":1.989630,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":604,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[108,124]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979475,"usec":96603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036880,"noise_level":-21.340782,"freq_skew":2.157899,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979482,"usec":728540},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.205866,"noise_level":-19.054775,"freq_skew":-0.490623,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":216,"calling_addr":"20063372","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,69,88,83,0,64,102,250,0,1,0,0,0,0,0,1,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979483,"usec":499742},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.529572,"noise_level":-18.748619,"freq_skew":-0.663995,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":216,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":85,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":3,"credit_offered":2,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,88,83,0,64,102,250],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979485,"usec":24735},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.046802,"noise_level":-18.645378,"freq_skew":-0.705453,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979485,"usec":813683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.225228,"noise_level":-18.646072,"freq_skew":-0.350431,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979485,"usec":832944},"freq":136975000,"burst_len_octets":111,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974375,"noise_level":-18.535297,"freq_skew":-0.491155,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":216,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,88,83,0,64,102,250,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,101,117,0,1,68,89,0,1,0,0,71,71,49,49,1],"lifetime":120.000000,"flags":{"SP":true,"MS":false,"ER":true},"segmentation":{"pdu_id":84,"segment_offset":0,"pdu_total_len":91},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[192]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":32658,"disc_reason_code":2,"disc_reason":"Session entity not attached to TSAP","variable_part_params":[{"name":"atn_checksum","value":[109,132,65,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979496,"usec":472462},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.331970,"noise_level":-18.856974,"freq_skew":3.092333,"avlc":{"src":{"addr":"4BBD02","type":"Aircraft","status":"On ground"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-OHB","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"VF064U","msg_num":"D85","msg_num_seq":"A","sublabel":"DF","msg_text":"ABS001DA_T LTAREDDK968\r\n 50717 74841843005512+040291019XA8IH-0200310000--\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979497,"usec":250084},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112808,"noise_level":-18.609245,"freq_skew":6.366130,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979498,"usec":771962},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.342456,"noise_level":-18.645912,"freq_skew":5.051694,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979500,"usec":313795},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.834349,"noise_level":-19.568232,"freq_skew":4.080763,"avlc":{"src":{"addr":"407838","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979500,"usec":316172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.381060,"noise_level":-19.494165,"freq_skew":3.052320,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979504,"usec":872621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.183446,"noise_level":-19.434473,"freq_skew":2.941495,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979507,"usec":976372},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795131,"noise_level":-20.245693,"freq_skew":2.773005,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"5","ack":"V","flight":"LH002B","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979511,"usec":772115},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175989,"noise_level":-19.956509,"freq_skew":3.041300,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979516,"usec":381151},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.166796,"noise_level":-18.925320,"freq_skew":3.106262,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH02CA","msg_num":"M24","msg_num_seq":"A","msg_text":"00182234207,+8(634E4,EE 4K1(A4OX4M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979520,"usec":967065},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875208,"noise_level":-22.721104,"freq_skew":2.819181,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":749,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[138,187,238,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979521,"usec":741341},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627935,"noise_level":-22.545174,"freq_skew":4.871384,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979524,"usec":776160},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931621,"noise_level":-21.380959,"freq_skew":2.044966,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979526,"usec":317875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.663653,"noise_level":-21.090565,"freq_skew":-0.558377,"avlc":{"src":{"addr":"4066FA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979526,"usec":338731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850145,"noise_level":-20.924740,"freq_skew":5.041341,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979529,"usec":368972},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672561,"noise_level":-20.442814,"freq_skew":3.008971,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUR","mode":"2","label":"_d","blk_id":"6","ack":"K","flight":"LH008J","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979543,"usec":115267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974970,"noise_level":-17.516968,"freq_skew":4.344128,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979543,"usec":886873},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.032115,"noise_level":-17.266100,"freq_skew":3.186174,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979572,"usec":148682},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740143,"noise_level":-15.831815,"freq_skew":2.891853,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":420,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979578,"usec":268446},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521854,"noise_level":-17.561880,"freq_skew":4.796943,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23121143","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,162,99,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979579,"usec":20957},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861975,"noise_level":-18.169685,"freq_skew":5.069844,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR41SU","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979579,"usec":25693},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128476,"noise_level":-18.141588,"freq_skew":2.759168,"avlc":{"src":{"addr":"3C56EE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979579,"usec":28034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023404,"noise_level":-18.754421,"freq_skew":2.765494,"avlc":{"src":{"addr":"400935","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979579,"usec":780563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676933,"noise_level":-18.814556,"freq_skew":4.831998,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979580,"usec":602023},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758162,"noise_level":-18.904726,"freq_skew":5.111759,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"8F","blk_id":"9","ack":"!","flight":"FR74VJ","msg_num":"M96","msg_num_seq":"A","msg_text":"180346,O,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979582,"usec":103737},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481192,"noise_level":-18.781248,"freq_skew":2.663288,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGLL"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.400001},"alt":6000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979582,"usec":870682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540697,"noise_level":-22.061939,"freq_skew":4.008644,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979583,"usec":617720},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894258,"noise_level":-23.985918,"freq_skew":4.770324,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"8C","blk_id":"0","ack":"!","flight":"FR74VJ","msg_num":"M97","msg_num_seq":"A","msg_text":"180408,O,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979583,"usec":619560},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572023,"noise_level":-23.972185,"freq_skew":6.406906,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.500000},"alt":2000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979583,"usec":635093},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.198354,"noise_level":-24.854202,"freq_skew":3.023794,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979584,"usec":383247},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.604973,"noise_level":-25.805202,"freq_skew":6.529847,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SX-DGD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"A303FU","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979584,"usec":383247},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-4.604973,"noise_level":-25.805202,"freq_skew":6.529847,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21510344","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,65,69,69,0,70,144,228,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979585,"usec":142320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303703,"noise_level":-25.685329,"freq_skew":6.712401,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979585,"usec":891257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194082,"noise_level":-25.472603,"freq_skew":6.610090,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979589,"usec":747777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.436647,"noise_level":-24.940214,"freq_skew":4.934182,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979589,"usec":752306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.936188,"noise_level":-25.690966,"freq_skew":6.522408,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979590,"usec":512367},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503739,"noise_level":-26.834240,"freq_skew":4.794528,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"8A","blk_id":"4","ack":"!","flight":"FR41SU","msg_num":"M02","msg_num_seq":"A","msg_text":"182906,C,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979591,"usec":277466},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.813042,"noise_level":-26.369925,"freq_skew":4.438996,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5561,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979592,"usec":782352},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.981649,"noise_level":-26.432335,"freq_skew":0.867045,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979593,"usec":539828},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561771,"noise_level":-26.057995,"freq_skew":5.008678,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"QS","blk_id":"6","ack":"!","flight":"FR74VJ","msg_num":"M95","msg_num_seq":"A","msg_text":"LICCEDFH1802 65 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979593,"usec":558527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943209,"noise_level":-25.766346,"freq_skew":0.672707,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979594,"usec":334723},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881452,"noise_level":-26.211552,"freq_skew":4.180658,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979596,"usec":629059},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.641304,"noise_level":-25.468918,"freq_skew":2.464610,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979599,"usec":646153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243834,"noise_level":-25.145733,"freq_skew":4.912786,"avlc":{"src":{"addr":"4CA225","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979601,"usec":230913},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868274,"noise_level":-24.479824,"freq_skew":6.503570,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979603,"usec":512979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113366,"noise_level":-24.695126,"freq_skew":3.334436,"avlc":{"src":{"addr":"3C644A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979604,"usec":277779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.417669,"noise_level":-24.844427,"freq_skew":3.999886,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979605,"usec":785044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942687,"noise_level":-24.159105,"freq_skew":4.738887,"avlc":{"src":{"addr":"4D2274","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979605,"usec":789022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467146,"noise_level":-24.117144,"freq_skew":6.522225,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979605,"usec":796035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.286019,"noise_level":-24.606800,"freq_skew":4.643297,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979608,"usec":112325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760529,"noise_level":-24.206833,"freq_skew":4.837722,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979608,"usec":873046},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820181,"noise_level":-23.943014,"freq_skew":6.482866,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979611,"usec":136870},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820423,"noise_level":-23.753590,"freq_skew":4.118434,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32681,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[56,26,93,33]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32681,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[168,170,145,118]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":46,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979611,"usec":910217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398721,"noise_level":-23.369846,"freq_skew":4.156355,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979614,"usec":218290},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941779,"noise_level":-24.291542,"freq_skew":1.920617,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":46.400002,"lon":11.400001},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979618,"usec":790510},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.102379,"noise_level":-23.341930,"freq_skew":4.696078,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":13.500000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979620,"usec":283339},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700050,"noise_level":-22.821815,"freq_skew":2.728862,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":750,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[203,244,162,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979621,"usec":104020},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880968,"noise_level":-23.712593,"freq_skew":4.552842,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979621,"usec":853093},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527786,"noise_level":-23.437313,"freq_skew":4.197598,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2405B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979626,"usec":411902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741127,"noise_level":-25.189619,"freq_skew":2.040323,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979635,"usec":615156},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581460,"noise_level":-25.199612,"freq_skew":6.191491,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979636,"usec":384376},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719111,"noise_level":-24.981110,"freq_skew":3.834301,"avlc":{"src":{"addr":"502CCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12363,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[194,186,92,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979636,"usec":398943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727850,"noise_level":-24.968117,"freq_skew":2.501125,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979637,"usec":911110},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572871,"noise_level":-24.244980,"freq_skew":3.371824,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEK","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH039E","msg_num":"D30","msg_num_seq":"H","sublabel":"DF","msg_text":"5,02848,00352,208,215,213,0/X71501,N0250,210,027,040,031,011,1/S81341,4040,015,003,161,38,20195,2/T81353,4083,011,N01,144,40,20206,2/X81501,N0300,117,027,040,031,011,1/E90618,0808,59,169,008,000,030,0/N9061"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979643,"usec":248651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317323,"noise_level":-23.808414,"freq_skew":0.560791,"avlc":{"src":{"addr":"3C56EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979644,"usec":771180},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911842,"noise_level":-23.072887,"freq_skew":3.197504,"avlc":{"src":{"addr":"3C64AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979644,"usec":793658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060412,"noise_level":-23.163004,"freq_skew":2.145876,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979646,"usec":313109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406059,"noise_level":-22.536089,"freq_skew":3.013273,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979648,"usec":635195},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966678,"noise_level":-22.318087,"freq_skew":4.071163,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNR","mode":"2","label":"_d","blk_id":"2","ack":"R","flight":"QY4853","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979651,"usec":648636},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905622,"noise_level":-22.508926,"freq_skew":3.961264,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979664,"usec":651399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860745,"noise_level":-25.290977,"freq_skew":3.986260,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979665,"usec":414257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497440,"noise_level":-24.644779,"freq_skew":4.728499,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979680,"usec":694697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335387,"noise_level":-21.927471,"freq_skew":3.100036,"avlc":{"src":{"addr":"4D2406","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979694,"usec":432691},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485330,"noise_level":-21.493761,"freq_skew":5.315042,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[34,219,56,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979699,"usec":792599},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143817,"noise_level":-21.551266,"freq_skew":4.256209,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR35ZQ","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979700,"usec":568098},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320110,"noise_level":-21.933056,"freq_skew":4.256200,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979702,"usec":110483},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009268,"noise_level":-21.571735,"freq_skew":6.529068,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979704,"usec":411253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557349,"noise_level":-21.746105,"freq_skew":2.922872,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979711,"usec":285522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887134,"noise_level":-21.691360,"freq_skew":2.104601,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979718,"usec":924286},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927105,"noise_level":-20.593964,"freq_skew":6.497381,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBS","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"OS0147","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979719,"usec":693694},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002547,"noise_level":-20.918900,"freq_skew":6.446822,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979721,"usec":992721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826112,"noise_level":-21.030426,"freq_skew":6.347569,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979724,"usec":279520},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611516,"noise_level":-22.667458,"freq_skew":0.836350,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979733,"usec":449667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762216,"noise_level":-24.596195,"freq_skew":2.641056,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979734,"usec":211721},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916960,"noise_level":-24.710899,"freq_skew":4.493217,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979735,"usec":707240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531424,"noise_level":-24.160940,"freq_skew":3.966131,"avlc":{"src":{"addr":"407838","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979741,"usec":88974},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739893,"noise_level":-21.719727,"freq_skew":6.187146,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7942,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[207,39]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979741,"usec":90907},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485367,"noise_level":-21.709146,"freq_skew":4.262709,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5946,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979744,"usec":906819},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.368675,"noise_level":-20.617468,"freq_skew":4.327913,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2952,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36439,"credit":5,"rseq":16,"variable_part_params":[{"name":"checksum","value":[94,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979744,"usec":928283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666039,"noise_level":-21.280514,"freq_skew":4.430676,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979747,"usec":195716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798911,"noise_level":-21.075920,"freq_skew":4.468770,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979747,"usec":210632},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527936,"noise_level":-21.296181,"freq_skew":4.318810,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":2029,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12449,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[114,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979749,"usec":523981},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965393,"noise_level":-20.663887,"freq_skew":6.002476,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979754,"usec":66328},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700391,"noise_level":-22.358650,"freq_skew":5.078660,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979754,"usec":832083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596384,"noise_level":-22.661474,"freq_skew":5.923679,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979759,"usec":431508},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.875248,"noise_level":-22.557148,"freq_skew":4.211234,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSW","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR35ZQ","msg_num":"M35","msg_num_seq":"A","msg_text":"184917,M118116,1933, 159,N 47.078 E 12.702"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979760,"usec":947505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723831,"noise_level":-22.902302,"freq_skew":4.125757,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979761,"usec":712867},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112854,"noise_level":-22.557411,"freq_skew":6.173244,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979764,"usec":33636},"freq":136975000,"burst_len_octets":156,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702468,"noise_level":-21.756035,"freq_skew":2.953460,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIJC","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH01MY","msg_num":"D60","msg_num_seq":"K","sublabel":"DF","msg_text":"T4192,5752,010,N03,147,40,08555,2/2V0067,N020,00800,00096,246,222,228,0/2X0881,00400,035,019,015,039,010,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979769,"usec":400447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080702,"noise_level":-19.998955,"freq_skew":3.340248,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979774,"usec":693621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871869,"noise_level":-20.199318,"freq_skew":4.266244,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979780,"usec":81585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747337,"noise_level":-20.362053,"freq_skew":2.597422,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979781,"usec":591346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505648,"noise_level":-21.452963,"freq_skew":6.187445,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979783,"usec":146842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.274059,"noise_level":-23.379850,"freq_skew":4.221974,"avlc":{"src":{"addr":"471D63","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDJ","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"W69655","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979783,"usec":896563},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975657,"noise_level":-23.114761,"freq_skew":6.282545,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979783,"usec":898352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681936,"noise_level":-23.077545,"freq_skew":4.062051,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979788,"usec":476835},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368052,"noise_level":-21.273182,"freq_skew":4.270548,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[6]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EKBI"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979790,"usec":38030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230561,"noise_level":-21.777046,"freq_skew":4.200130,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979791,"usec":535682},"freq":136975000,"burst_len_octets":147,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611572,"noise_level":-22.128851,"freq_skew":2.916609,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"LH02CA","msg_num":"M26","msg_num_seq":"A","msg_text":"00184297781IXRJ5LT.W:EIP+SYR O:Q*S,EEZ23SS(76X6,T+3J(TZ-PDO6SS4/4/2/7/7/TTS/S44/2DD77TTSS442S27/7TT/SS4"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979792,"usec":313818},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564227,"noise_level":-23.425741,"freq_skew":2.772038,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":753,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[100,151,110,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":49,"sec":50}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979793,"usec":72868},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671139,"noise_level":-24.742958,"freq_skew":2.842379,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979793,"usec":825930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.216699,"noise_level":-26.048664,"freq_skew":3.044243,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979794,"usec":590985},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911008,"noise_level":-27.023987,"freq_skew":2.889471,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":754,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[83,40,28,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979796,"usec":916664},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738719,"noise_level":-27.006399,"freq_skew":3.466341,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":593,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979799,"usec":181279},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696552,"noise_level":-25.876646,"freq_skew":4.411339,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979799,"usec":184888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678814,"noise_level":-25.825537,"freq_skew":4.866334,"avlc":{"src":{"addr":"4CAFB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979799,"usec":950575},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625221,"noise_level":-25.314308,"freq_skew":4.330691,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979802,"usec":214103},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857808,"noise_level":-25.878126,"freq_skew":4.458725,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979805,"usec":319609},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570971,"noise_level":-26.395483,"freq_skew":2.283746,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EYVI"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":8.400001},"alt":3000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979806,"usec":817479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775877,"noise_level":-27.442751,"freq_skew":2.747124,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979807,"usec":579691},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806483,"noise_level":-28.226887,"freq_skew":0.546948,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979809,"usec":88552},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899969,"noise_level":-28.053677,"freq_skew":0.626315,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979810,"usec":653528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832051,"noise_level":-27.070721,"freq_skew":4.374585,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979817,"usec":556326},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630754,"noise_level":-25.667353,"freq_skew":2.844611,"avlc":{"src":{"addr":"3C644A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":178,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979818,"usec":323164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798792,"noise_level":-26.133007,"freq_skew":4.502963,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979819,"usec":817299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895114,"noise_level":-25.554373,"freq_skew":4.511642,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979822,"usec":910213},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708958,"noise_level":-24.953287,"freq_skew":4.356154,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":100,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12455,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[92,20,236,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979823,"usec":661088},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780569,"noise_level":-24.562750,"freq_skew":5.935442,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1359,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32787,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[100,216]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979825,"usec":949588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824864,"noise_level":-23.771400,"freq_skew":4.578703,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979826,"usec":715052},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539042,"noise_level":-23.649685,"freq_skew":4.625475,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979828,"usec":987742},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.246380,"noise_level":-24.281443,"freq_skew":6.292758,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979830,"usec":557809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944333,"noise_level":-23.519547,"freq_skew":4.414378,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979832,"usec":834116},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831946,"noise_level":-25.122723,"freq_skew":6.023712,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":7942,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[207,39]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979835,"usec":858426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.319263,"noise_level":-25.524252,"freq_skew":6.044155,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979837,"usec":429285},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.445326,"noise_level":-25.717165,"freq_skew":6.413277,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979838,"usec":184772},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471169,"noise_level":-25.879063,"freq_skew":6.328756,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GEA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"SK1656","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979839,"usec":696122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.307335,"noise_level":-25.429440,"freq_skew":6.598492,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979840,"usec":473182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362903,"noise_level":-25.457264,"freq_skew":2.560879,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979840,"usec":474793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.168683,"noise_level":-26.075447,"freq_skew":6.533831,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979846,"usec":583399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784880,"noise_level":-25.590818,"freq_skew":1.968827,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979848,"usec":103274},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.073779,"noise_level":-25.698584,"freq_skew":2.862920,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"_d","blk_id":"5","ack":"S","flight":"LH02CA","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979861,"usec":853838},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.976898,"noise_level":-21.757977,"freq_skew":6.522284,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":67,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979864,"usec":167772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731907,"noise_level":-21.538467,"freq_skew":0.818335,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979877,"usec":129230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861465,"noise_level":-23.404619,"freq_skew":2.877608,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979877,"usec":132570},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743570,"noise_level":-23.521641,"freq_skew":2.731334,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":546,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979884,"usec":34883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966865,"noise_level":-22.293156,"freq_skew":2.809079,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979886,"usec":332858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605401,"noise_level":-24.736027,"freq_skew":-0.006153,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":387,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979893,"usec":205177},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.778307,"noise_level":-23.571178,"freq_skew":2.350032,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[118,227,150,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979893,"usec":221609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203733,"noise_level":-24.384598,"freq_skew":0.698995,"avlc":{"src":{"addr":"3C6495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979895,"usec":486918},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582781,"noise_level":-24.773628,"freq_skew":2.622015,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979896,"usec":986088},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898023,"noise_level":-25.069296,"freq_skew":2.172216,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979896,"usec":988190},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411487,"noise_level":-25.053740,"freq_skew":6.434310,"avlc":{"src":{"addr":"4CACB0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":267,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12442,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[18,84,168,94]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979899,"usec":325304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.327699,"noise_level":-24.897032,"freq_skew":2.415885,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979901,"usec":596383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032153,"noise_level":-25.447548,"freq_skew":2.591961,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979903,"usec":883257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.243936,"noise_level":-25.512619,"freq_skew":4.154228,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979904,"usec":666100},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909293,"noise_level":-25.683983,"freq_skew":5.039136,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979905,"usec":443899},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814356,"noise_level":-27.137878,"freq_skew":2.862834,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENC","mode":"2","label":"_d","blk_id":"8","ack":"T","flight":"LH02CA","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979909,"usec":994787},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.678779,"noise_level":-27.643091,"freq_skew":2.204713,"avlc":{"src":{"addr":"3C56F3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWS","mode":"2","label":"_d","blk_id":"8","ack":"C","flight":"LH019J","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979912,"usec":323482},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898021,"noise_level":-26.651423,"freq_skew":5.187125,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":350,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979913,"usec":76256},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799826,"noise_level":-26.862297,"freq_skew":4.132207,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979913,"usec":852083},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679950,"noise_level":-26.609936,"freq_skew":2.643902,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979914,"usec":587560},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661558,"noise_level":-26.535885,"freq_skew":2.447208,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":308,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979916,"usec":109629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725079,"noise_level":-26.884386,"freq_skew":4.140516,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979916,"usec":131102},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888511,"noise_level":-26.490496,"freq_skew":4.257952,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":104,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12464,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[143,215,236,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979916,"usec":866243},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780931,"noise_level":-26.435658,"freq_skew":2.383547,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979918,"usec":436140},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865334,"noise_level":-25.557556,"freq_skew":6.566865,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBS","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"OS0147","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979921,"usec":473410},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543222,"noise_level":-24.091022,"freq_skew":4.300386,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979921,"usec":480916},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055902,"noise_level":-24.007952,"freq_skew":6.602346,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBS","mode":"2","label":"_d","blk_id":"1","ack":"D","flight":"OS0147","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979922,"usec":239450},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.227459,"noise_level":-23.908033,"freq_skew":4.327606,"avlc":{"src":{"addr":"407844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979922,"usec":994345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756691,"noise_level":-24.300732,"freq_skew":2.500242,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979923,"usec":201},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.679036,"noise_level":-24.379175,"freq_skew":4.541465,"avlc":{"src":{"addr":"407844","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979923,"usec":741952},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553993,"noise_level":-24.307568,"freq_skew":2.557777,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH002B","msg_num":"M92","msg_num_seq":"A","msg_text":"00158216700,,,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979923,"usec":761384},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552034,"noise_level":-25.006826,"freq_skew":6.156248,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":107,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":54,"dst_ref":12466,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[64,86,230,2]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979924,"usec":568852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.319562,"noise_level":-24.525730,"freq_skew":2.596045,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979924,"usec":573000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905947,"noise_level":-24.481966,"freq_skew":5.036071,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979925,"usec":314429},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461264,"noise_level":-24.238041,"freq_skew":6.147611,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGTS"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":8.500000},"alt":17000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979926,"usec":66629},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806079,"noise_level":-24.097691,"freq_skew":6.310356,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12466,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[44,105,43,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979926,"usec":829312},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104293,"noise_level":-24.690626,"freq_skew":6.219146,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979927,"usec":596916},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927658,"noise_level":-24.762806,"freq_skew":6.105664,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":110,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12466,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[129,54,93,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979929,"usec":105305},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.842384,"noise_level":-24.950354,"freq_skew":4.095058,"avlc":{"src":{"addr":"471D63","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B24B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979931,"usec":383608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092908,"noise_level":-24.214880,"freq_skew":4.072580,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979931,"usec":402936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601555,"noise_level":-23.950823,"freq_skew":1.436766,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979932,"usec":948382},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.229965,"noise_level":-25.195335,"freq_skew":2.219445,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979936,"usec":761884},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479066,"noise_level":-24.320053,"freq_skew":4.331471,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.799999,"lon":10.900001},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979938,"usec":307053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361452,"noise_level":-23.874611,"freq_skew":4.269672,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979939,"usec":85942},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021252,"noise_level":-23.348129,"freq_skew":1.425452,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCG","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"LX919F","msg_num":"L27","msg_num_seq":"A","msg_text":"/LSZH.TI2/024LSZHA89DD"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979945,"usec":951498},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510898,"noise_level":-22.514778,"freq_skew":3.938377,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2961,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":32,"dst_ref":36439,"variable_part_params":[{"name":"checksum","value":[230,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979945,"usec":964109},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269041,"noise_level":-22.928324,"freq_skew":1.468032,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCG","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"LX919F","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979946,"usec":715593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.483534,"noise_level":-23.055874,"freq_skew":4.447128,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979948,"usec":973406},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166472,"noise_level":-23.477112,"freq_skew":4.067514,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979948,"usec":975265},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639598,"noise_level":-23.386845,"freq_skew":4.425586,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IOM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LX05AT","msg_num":"206","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E4500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979950,"usec":508251},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656802,"noise_level":-22.945642,"freq_skew":4.339300,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979952,"usec":826478},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928250,"noise_level":-22.439980,"freq_skew":4.339574,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJET","mode":"2","label":"_d","blk_id":"2","ack":"M","flight":"XA0001","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979954,"usec":354021},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.318706,"noise_level":-22.086916,"freq_skew":4.500725,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IOM","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LX05AT","msg_num":"208","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E6500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979954,"usec":355398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161041,"noise_level":-22.075878,"freq_skew":5.206182,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979955,"usec":102466},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377341,"noise_level":-23.021503,"freq_skew":1.231159,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979958,"usec":188961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043886,"noise_level":-22.878689,"freq_skew":4.501181,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979959,"usec":696471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317568,"noise_level":-23.556501,"freq_skew":6.202258,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":111,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979960,"usec":459166},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243200,"noise_level":-23.491341,"freq_skew":5.221191,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[164,114,249,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979960,"usec":465323},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.145061,"noise_level":-23.491512,"freq_skew":4.041076,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141064","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,52,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979962,"usec":757344},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750900,"noise_level":-22.395176,"freq_skew":5.222660,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[164,114,249,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979962,"usec":760285},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883287,"noise_level":-22.360912,"freq_skew":1.115325,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979963,"usec":503640},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.076638,"noise_level":-22.247662,"freq_skew":4.215123,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSW","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR35ZQ","msg_num":"S32","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979963,"usec":516349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551827,"noise_level":-22.959833,"freq_skew":4.018713,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979965,"usec":62188},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104805,"noise_level":-22.496138,"freq_skew":4.190256,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979965,"usec":828022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.612158,"noise_level":-23.180546,"freq_skew":4.154946,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"_d","blk_id":"3","ack":"R","flight":"LH0338","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979966,"usec":589216},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640001,"noise_level":-23.652925,"freq_skew":4.120522,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH0338","msg_num":"M04","msg_num_seq":"A","msg_text":"00406209291G:8+:7E000+,K0TTY+9K(44K7IROBXBLL*S4LJSOOYU,,*0KP4V"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979968,"usec":869942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771056,"noise_level":-24.460728,"freq_skew":4.240652,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979973,"usec":458073},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918388,"noise_level":-25.071909,"freq_skew":1.287071,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LX919F","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979974,"usec":213822},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840478,"noise_level":-25.009832,"freq_skew":2.332065,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979978,"usec":5406},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567287,"noise_level":-25.785101,"freq_skew":2.563166,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979978,"usec":772461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546906,"noise_level":-25.675810,"freq_skew":2.627316,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979979,"usec":576713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839436,"noise_level":-25.284073,"freq_skew":3.289282,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979981,"usec":867319},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.131306,"noise_level":-24.742090,"freq_skew":3.217691,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"X303BH","msg_num":"L12","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979984,"usec":893650},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506919,"noise_level":-23.822422,"freq_skew":2.579904,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979984,"usec":896064},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258756,"noise_level":-23.795486,"freq_skew":4.149273,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979986,"usec":469305},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116858,"noise_level":-22.999447,"freq_skew":3.310506,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"X303BH","msg_num":"L12","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979987,"usec":988806},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551671,"noise_level":-22.441158,"freq_skew":5.975720,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":112,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12466,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[214,3,143,2]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12466,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[238,188,8,88]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":53,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979987,"usec":999593},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724192,"noise_level":-22.920086,"freq_skew":2.585641,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979990,"usec":256645},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786303,"noise_level":-22.437843,"freq_skew":6.075253,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979991,"usec":12163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102915,"noise_level":-22.283686,"freq_skew":2.671107,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979992,"usec":580543},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978260,"noise_level":-22.308422,"freq_skew":6.457006,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBS","mode":"2","label":"1L","blk_id":"2","ack":"!","flight":"OS0147","msg_num":"M14","msg_num_seq":"A","msg_text":"00008266202ZG:GGSB)W)):M-WSYU)QMGG--MU DY:SQ-...W WSW"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979992,"usec":587293},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604463,"noise_level":-22.229469,"freq_skew":2.261482,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":757,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[168,244,78,25]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[223,135,141,177]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":53,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979993,"usec":340333},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.881832,"noise_level":-22.568897,"freq_skew":2.270816,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":758,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[38,106,60,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979994,"usec":91659},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007634,"noise_level":-22.979565,"freq_skew":3.351566,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"X303BH","msg_num":"L12","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788979994,"usec":854575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821543,"noise_level":-22.608164,"freq_skew":6.524978,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980004,"usec":787371},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554255,"noise_level":-21.855991,"freq_skew":2.262994,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980007,"usec":99407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806883,"noise_level":-22.354485,"freq_skew":4.262495,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980008,"usec":611429},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.133397,"noise_level":-23.508005,"freq_skew":2.954462,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980009,"usec":375419},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789260,"noise_level":-24.358242,"freq_skew":4.394734,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980009,"usec":378158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314885,"noise_level":-24.329596,"freq_skew":2.286546,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980009,"usec":387783},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.214888,"noise_level":-24.201851,"freq_skew":4.452232,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":549,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55431,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[118,56,123,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980009,"usec":389269},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775067,"noise_level":-24.187773,"freq_skew":4.389165,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":550,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":55431,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[47,53,106,67]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980010,"usec":126248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029225,"noise_level":-24.295938,"freq_skew":0.048480,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980010,"usec":902039},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.068624,"noise_level":-25.461159,"freq_skew":2.036455,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32816,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[231,232,180,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980012,"usec":413572},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.444748,"noise_level":-25.415981,"freq_skew":4.479460,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980013,"usec":984999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.640450,"noise_level":-24.479849,"freq_skew":2.171705,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980016,"usec":267883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995854,"noise_level":-24.312866,"freq_skew":2.272934,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980019,"usec":324772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971472,"noise_level":-24.223902,"freq_skew":4.967762,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980019,"usec":346826},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156866,"noise_level":-24.068455,"freq_skew":3.333189,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"X303BH","msg_num":"L12","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980021,"usec":603437},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139730,"noise_level":-23.802132,"freq_skew":4.271660,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH05AE","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980021,"usec":607693},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796521,"noise_level":-23.748474,"freq_skew":4.347037,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17057357","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,94,239,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980021,"usec":630293},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665756,"noise_level":-23.511028,"freq_skew":3.307604,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"B9","blk_id":"6","ack":"M","flight":"X303BH","msg_num":"L13","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980022,"usec":386857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511493,"noise_level":-23.472021,"freq_skew":4.537305,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980023,"usec":144794},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.930495,"noise_level":-23.179062,"freq_skew":3.473953,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"_d","blk_id":"7","ack":"N","flight":"X303BH","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980029,"usec":254625},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111657,"noise_level":-20.852602,"freq_skew":4.180545,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.100002,"lon":6.900000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980030,"usec":773328},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844046,"noise_level":-21.429974,"freq_skew":5.147806,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[249,63,44,179]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12378,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[228,161,243,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":53,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980031,"usec":521627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906085,"noise_level":-21.992483,"freq_skew":4.203773,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980031,"usec":533996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679088,"noise_level":-21.830128,"freq_skew":4.992207,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980034,"usec":606357},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387158,"noise_level":-22.026669,"freq_skew":4.254467,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980034,"usec":617280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.512140,"noise_level":-21.917667,"freq_skew":3.982428,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980035,"usec":372057},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629155,"noise_level":-22.411497,"freq_skew":1.822793,"avlc":{"src":{"addr":"3C6443","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980036,"usec":877984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.079641,"noise_level":-22.437023,"freq_skew":4.304491,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980038,"usec":398711},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503250,"noise_level":-21.967003,"freq_skew":2.648459,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":427,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12476,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[60,149,106,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980038,"usec":398711},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.503250,"noise_level":-21.967003,"freq_skew":2.648459,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":428,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":62,"dst_ref":12476,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[23,125,242,178]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980039,"usec":157484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173263,"noise_level":-21.730591,"freq_skew":4.263682,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980047,"usec":601042},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950262,"noise_level":-21.463646,"freq_skew":1.363457,"avlc":{"src":{"addr":"4B17FE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LX919F","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980049,"usec":884692},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980865,"noise_level":-21.576414,"freq_skew":6.585445,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980049,"usec":890516},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.315209,"noise_level":-21.514151,"freq_skew":3.998065,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55420,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[52,35,131,148]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":54,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980050,"usec":650425},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.952046,"noise_level":-22.784204,"freq_skew":4.130014,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980050,"usec":652299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951049,"noise_level":-22.772245,"freq_skew":6.487444,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980051,"usec":411834},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364335,"noise_level":-22.490034,"freq_skew":4.143264,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980053,"usec":718470},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167442,"noise_level":-23.825872,"freq_skew":4.460853,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980053,"usec":722073},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862187,"noise_level":-23.785486,"freq_skew":2.899369,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32835,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[233,109,87,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980053,"usec":722735},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885661,"noise_level":-24.906170,"freq_skew":2.670263,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":63,"dst_ref":32835,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[21,226,25,47]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980055,"usec":230478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514483,"noise_level":-24.368059,"freq_skew":2.844629,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980055,"usec":992040},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.350784,"noise_level":-24.325081,"freq_skew":5.012005,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":10.800000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980056,"usec":758234},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.897971,"noise_level":-24.519405,"freq_skew":4.527598,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32835,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[233,109,87,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980056,"usec":767699},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869648,"noise_level":-24.345776,"freq_skew":2.706225,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":63,"dst_ref":32835,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[21,226,25,47]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980057,"usec":513706},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746403,"noise_level":-24.036196,"freq_skew":2.617617,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980058,"usec":286903},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.898932,"noise_level":-24.687807,"freq_skew":3.308904,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAD","mode":"2","label":"_d","blk_id":"2","ack":"R","flight":"X303BH","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980059,"usec":94970},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739352,"noise_level":-24.294525,"freq_skew":4.867117,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWK","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH003V","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980060,"usec":589798},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.351886,"noise_level":-23.850357,"freq_skew":4.240227,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980060,"usec":598109},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.770735,"noise_level":-23.756151,"freq_skew":3.906949,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980060,"usec":604256},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632298,"noise_level":-23.689480,"freq_skew":4.839281,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980060,"usec":617661},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083168,"noise_level":-23.557655,"freq_skew":2.662253,"avlc":{"src":{"addr":"3C6543","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32837,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[46,209,87,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980060,"usec":618560},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610040,"noise_level":-23.544582,"freq_skew":5.141969,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWK","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LH003V","msg_num":"S74","msg_num_seq":"A","msg_text":"0EV185414V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":18,"min":54,"sec":14}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980061,"usec":371635},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523643,"noise_level":-23.925331,"freq_skew":4.294718,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55420,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[28,37,52,104]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980061,"usec":376758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585876,"noise_level":-23.870907,"freq_skew":-0.067302,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980067,"usec":476430},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.552442,"noise_level":-23.305145,"freq_skew":2.175203,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EVRA"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980068,"usec":238675},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.104736,"noise_level":-23.837336,"freq_skew":4.378102,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980068,"usec":246420},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.532026,"noise_level":-23.729914,"freq_skew":2.098405,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-AAU","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"BT0234","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980068,"usec":251382},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.706148,"noise_level":-23.676697,"freq_skew":4.230720,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36580,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[124,0,139,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980068,"usec":989119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.700249,"noise_level":-23.597479,"freq_skew":4.574730,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980068,"usec":996183},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.498186,"noise_level":-23.518978,"freq_skew":4.154336,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":896,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36580,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[198,23,183,46]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":54,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980069,"usec":762107},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.724326,"noise_level":-23.262463,"freq_skew":4.334613,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980070,"usec":529437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098071,"noise_level":-22.830770,"freq_skew":4.532964,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980071,"usec":269344},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635726,"noise_level":-23.445454,"freq_skew":4.369149,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980071,"usec":269747},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131970,"noise_level":-23.445454,"freq_skew":4.362804,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":127.000000,"flags":224,"pdu_id":108,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12477,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[75,100,236,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980071,"usec":285952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640294,"noise_level":-23.790522,"freq_skew":3.696733,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980074,"usec":351004},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157548,"noise_level":-23.045141,"freq_skew":4.249381,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":554,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55433,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,86,222,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980074,"usec":360389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.223330,"noise_level":-22.934845,"freq_skew":2.297239,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980079,"usec":662433},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.695465,"noise_level":-24.047997,"freq_skew":4.312634,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980083,"usec":525275},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599977,"noise_level":-24.300585,"freq_skew":3.701130,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980087,"usec":358028},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371071,"noise_level":-24.164650,"freq_skew":4.816993,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWK","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH003V","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980088,"usec":883262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.461076,"noise_level":-23.412504,"freq_skew":4.756431,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980091,"usec":153519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852849,"noise_level":-23.730707,"freq_skew":5.041576,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980094,"usec":242458},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537113,"noise_level":-23.892040,"freq_skew":3.183684,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":594,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980094,"usec":983242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518564,"noise_level":-24.401413,"freq_skew":3.072197,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980094,"usec":997822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354955,"noise_level":-24.215977,"freq_skew":3.891681,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980098,"usec":39546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372747,"noise_level":-25.383282,"freq_skew":4.512830,"avlc":{"src":{"addr":"48C238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980098,"usec":805746},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.040786,"noise_level":-25.308420,"freq_skew":4.613363,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980099,"usec":544148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.913982,"noise_level":-25.197105,"freq_skew":4.628721,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980100,"usec":344121},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531678,"noise_level":-24.631313,"freq_skew":4.746056,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980100,"usec":345759},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270423,"noise_level":-24.542940,"freq_skew":4.540215,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":1,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":51,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":10,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980101,"usec":136727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.674112,"noise_level":-24.156017,"freq_skew":4.622942,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980102,"usec":631395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866997,"noise_level":-23.678799,"freq_skew":4.463638,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980105,"usec":688796},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444587,"noise_level":-22.716579,"freq_skew":2.190137,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":761,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[108,25,93,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980107,"usec":987629},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705115,"noise_level":-22.669115,"freq_skew":4.620994,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":0},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[6]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EKBI"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980109,"usec":502441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607177,"noise_level":-22.731174,"freq_skew":4.276184,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980112,"usec":542243},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723316,"noise_level":-23.264694,"freq_skew":2.346912,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980112,"usec":557286},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925516,"noise_level":-23.296555,"freq_skew":4.158156,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980112,"usec":563044},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703067,"noise_level":-23.220713,"freq_skew":4.456676,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":3,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":54,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980113,"usec":321058},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303025,"noise_level":-23.181442,"freq_skew":6.147055,"avlc":{"src":{"addr":"4690E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55430,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[180,229,77,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980114,"usec":119523},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.533788,"noise_level":-23.986229,"freq_skew":4.529101,"avlc":{"src":{"addr":"40796C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":221,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980116,"usec":393624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542523,"noise_level":-23.049046,"freq_skew":4.421838,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980117,"usec":921359},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915252,"noise_level":-22.430019,"freq_skew":4.193975,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980119,"usec":428350},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.201155,"noise_level":-22.004017,"freq_skew":2.195260,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32816,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[1,166,132,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980121,"usec":27},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738005,"noise_level":-21.361063,"freq_skew":-0.150536,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980121,"usec":745896},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637578,"noise_level":-22.220428,"freq_skew":-0.073763,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980122,"usec":524820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468612,"noise_level":-23.062437,"freq_skew":5.107788,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980125,"usec":546670},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066943,"noise_level":-22.126137,"freq_skew":2.661352,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980127,"usec":859489},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191079,"noise_level":-22.878487,"freq_skew":4.076709,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..HBJET","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"XA0001","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980128,"usec":625033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.447041,"noise_level":-22.441982,"freq_skew":3.044756,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980130,"usec":899811},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.712709,"noise_level":-21.897165,"freq_skew":4.265936,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980131,"usec":685403},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.595455,"noise_level":-21.662621,"freq_skew":4.029415,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980134,"usec":3093},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.317721,"noise_level":-22.521687,"freq_skew":4.673025,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH05JH","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980136,"usec":260515},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.680690,"noise_level":-22.552456,"freq_skew":6.337994,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980136,"usec":263327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.456819,"noise_level":-22.622805,"freq_skew":2.550161,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980136,"usec":265754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858889,"noise_level":-22.552601,"freq_skew":2.359887,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980138,"usec":538396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.813537,"noise_level":-22.567568,"freq_skew":2.680065,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980138,"usec":548610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056028,"noise_level":-22.474680,"freq_skew":4.033693,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980142,"usec":395349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716091,"noise_level":-22.744850,"freq_skew":4.019008,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980143,"usec":898182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.617044,"noise_level":-24.100208,"freq_skew":2.141212,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980143,"usec":903884},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189251,"noise_level":-24.245398,"freq_skew":4.357098,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980144,"usec":656643},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.097235,"noise_level":-24.132843,"freq_skew":4.909293,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980144,"usec":661552},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434337,"noise_level":-24.077108,"freq_skew":3.782719,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980147,"usec":735472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777894,"noise_level":-23.578817,"freq_skew":3.691633,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980147,"usec":743404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058867,"noise_level":-24.157465,"freq_skew":2.329510,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980150,"usec":38009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.165752,"noise_level":-24.205536,"freq_skew":2.311282,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980151,"usec":548300},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191633,"noise_level":-24.217566,"freq_skew":2.320040,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980151,"usec":553863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267879,"noise_level":-24.147272,"freq_skew":2.471909,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980155,"usec":378690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389057,"noise_level":-23.010206,"freq_skew":2.218708,"avlc":{"src":{"addr":"4D012E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980157,"usec":660002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816060,"noise_level":-22.024227,"freq_skew":4.898382,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980163,"usec":794353},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744646,"noise_level":-20.711061,"freq_skew":6.399994,"avlc":{"src":{"addr":"440052","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980165,"usec":312598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831956,"noise_level":-20.555340,"freq_skew":4.175519,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980166,"usec":815807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671760,"noise_level":-20.638454,"freq_skew":4.479222,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980168,"usec":383026},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031402,"noise_level":-20.156595,"freq_skew":2.874201,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980177,"usec":543364},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871755,"noise_level":-22.021351,"freq_skew":2.826510,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":547,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980178,"usec":319993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.649442,"noise_level":-23.203808,"freq_skew":0.013018,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980178,"usec":323752},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057076,"noise_level":-23.639898,"freq_skew":3.279161,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980179,"usec":48206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.347836,"noise_level":-24.185204,"freq_skew":4.422056,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980183,"usec":664466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615669,"noise_level":-22.051317,"freq_skew":3.026894,"avlc":{"src":{"addr":"3C55C3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980184,"usec":426213},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.521239,"noise_level":-23.033426,"freq_skew":3.885832,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":902,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980186,"usec":695821},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926359,"noise_level":-22.144447,"freq_skew":0.038930,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":388,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980187,"usec":465190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860701,"noise_level":-22.810673,"freq_skew":3.875447,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980191,"usec":293316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.872947,"noise_level":-23.585392,"freq_skew":3.835012,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980192,"usec":806799},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824247,"noise_level":-24.021851,"freq_skew":3.953576,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2036,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12487,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[171,41]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980192,"usec":811391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.978459,"noise_level":-23.966820,"freq_skew":3.656295,"avlc":{"src":{"addr":"3C4B49","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980193,"usec":577986},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.885661,"noise_level":-23.551765,"freq_skew":4.165233,"avlc":{"src":{"addr":"4B183F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980194,"usec":386735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.556809,"noise_level":-23.143158,"freq_skew":4.037849,"avlc":{"src":{"addr":"4BCCA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980202,"usec":18342},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364852,"noise_level":-22.872610,"freq_skew":2.201634,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":11,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[108,25,93,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980205,"usec":810175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909707,"noise_level":-21.906206,"freq_skew":2.832570,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980218,"usec":43303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.067084,"noise_level":-20.267303,"freq_skew":2.330453,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980219,"usec":573479},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.179037,"noise_level":-19.737392,"freq_skew":5.363484,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980219,"usec":582831},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481675,"noise_level":-19.670235,"freq_skew":1.935018,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32816,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[176,45,42,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980225,"usec":700937},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955184,"noise_level":-18.064716,"freq_skew":2.017824,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32816,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[99,173,38,236]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":57,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980227,"usec":967035},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.803380,"noise_level":-18.971413,"freq_skew":5.580219,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":512,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55422,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[27,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980227,"usec":973725},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.307729,"noise_level":-18.917568,"freq_skew":2.020895,"avlc":{"src":{"addr":"502D23","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980232,"usec":574478},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606421,"noise_level":-18.646807,"freq_skew":4.415222,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWO","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH05AE","msg_num":"M88","msg_num_seq":"A","msg_text":"00069209259P()QF(*66,QB,L)09(6FM6QSS225I59(6L44H)R)2)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980234,"usec":895590},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714426,"noise_level":-19.429981,"freq_skew":4.597664,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980238,"usec":674060},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848111,"noise_level":-19.511904,"freq_skew":4.727257,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":357,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[104,120,148,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980240,"usec":217280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204599,"noise_level":-19.226816,"freq_skew":4.209780,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":557,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980244,"usec":806396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953346,"noise_level":-20.053234,"freq_skew":4.581166,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980246,"usec":322937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886716,"noise_level":-19.958242,"freq_skew":4.616038,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980247,"usec":76072},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.967071,"noise_level":-20.171587,"freq_skew":3.964397,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":185,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980247,"usec":77023},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198254,"noise_level":-20.171587,"freq_skew":-0.238734,"avlc":{"src":{"addr":"4BA90E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980247,"usec":849400},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354315,"noise_level":-21.123470,"freq_skew":4.804627,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980250,"usec":145741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.975749,"noise_level":-21.773340,"freq_skew":5.393201,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980250,"usec":921964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.882784,"noise_level":-21.408253,"freq_skew":5.333347,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980252,"usec":433399},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893810,"noise_level":-21.156143,"freq_skew":3.671905,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNR","mode":"2","label":"_d","blk_id":"7","ack":"S","flight":"QY4853","msg_num":"S21","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980253,"usec":952190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736629,"noise_level":-21.625031,"freq_skew":4.142236,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980254,"usec":750307},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.439713,"noise_level":-21.287506,"freq_skew":3.753995,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNR","mode":"2","label":"_d","blk_id":"8","ack":"T","flight":"QY4853","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980254,"usec":751437},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727001,"noise_level":-21.257336,"freq_skew":2.347946,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":764,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12384,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[83,142,178,110]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[56,193,14,18]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":57,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980260,"usec":842432},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754849,"noise_level":-21.823816,"freq_skew":4.670224,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980261,"usec":605799},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689216,"noise_level":-23.296524,"freq_skew":4.536760,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKM","mode":"2","label":"8C","blk_id":"1","ack":"!","flight":"FR1856","msg_num":"M11","msg_num_seq":"A","msg_text":"183322,C,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980264,"usec":681029},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591862,"noise_level":-24.180477,"freq_skew":2.346286,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":765,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12384,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[123,138,45,218]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":57,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980266,"usec":957592},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427108,"noise_level":-23.968197,"freq_skew":4.841102,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKM","mode":"2","label":"8F","blk_id":"2","ack":"!","flight":"FR1856","msg_num":"M12","msg_num_seq":"A","msg_text":"183944,C,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980269,"usec":293658},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382143,"noise_level":-22.982161,"freq_skew":4.925858,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980270,"usec":37526},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622783,"noise_level":-23.046057,"freq_skew":3.039103,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12484,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[94,87,200,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980272,"usec":330108},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.593343,"noise_level":-22.656155,"freq_skew":4.802290,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980273,"usec":85511},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528214,"noise_level":-22.457952,"freq_skew":4.776669,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKM","mode":"2","label":"8F","blk_id":"2","ack":"!","flight":"FR1856","msg_num":"M12","msg_num_seq":"A","msg_text":"183944,C,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980274,"usec":592579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.597377,"noise_level":-23.606749,"freq_skew":4.077691,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980274,"usec":598021},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748645,"noise_level":-23.636559,"freq_skew":4.783669,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKM","mode":"2","label":"QR","blk_id":"3","ack":"!","flight":"FR76NC","msg_num":"M05","msg_num_seq":"A","msg_text":"LEPAEDFH1805"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980275,"usec":341283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638065,"noise_level":-23.274546,"freq_skew":4.953672,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980276,"usec":146694},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946678,"noise_level":-23.148825,"freq_skew":2.676256,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":418,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980278,"usec":431761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.736901,"noise_level":-22.760902,"freq_skew":4.167169,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980279,"usec":186908},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.479849,"noise_level":-22.795794,"freq_skew":5.428379,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980279,"usec":967540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247198,"noise_level":-22.363323,"freq_skew":2.745540,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980287,"usec":594373},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039030,"noise_level":-21.075857,"freq_skew":4.955097,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980288,"usec":342548},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923381,"noise_level":-21.002054,"freq_skew":3.059355,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":31,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980291,"usec":431947},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510565,"noise_level":-21.840145,"freq_skew":2.979203,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980292,"usec":185191},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.903426,"noise_level":-21.649021,"freq_skew":5.372276,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980292,"usec":190176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021639,"noise_level":-21.596670,"freq_skew":0.214799,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980299,"usec":833892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945390,"noise_level":-19.980162,"freq_skew":4.446321,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980303,"usec":675120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807650,"noise_level":-19.005653,"freq_skew":0.901154,"avlc":{"src":{"addr":"3C6441","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980315,"usec":877246},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919113,"noise_level":-16.846668,"freq_skew":2.201895,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980317,"usec":443625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809531,"noise_level":-17.459345,"freq_skew":2.444629,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980318,"usec":944416},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247012,"noise_level":-17.951817,"freq_skew":4.375287,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55433,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[251,240,66,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980330,"usec":418611},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696370,"noise_level":-16.191093,"freq_skew":4.900176,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32801,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[204,151,187,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980331,"usec":203913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704323,"noise_level":-16.105049,"freq_skew":4.625709,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":358,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[104,120,148,251]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980331,"usec":943224},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823169,"noise_level":-18.355209,"freq_skew":2.331658,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980338,"usec":815401},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.676285,"noise_level":-17.236330,"freq_skew":4.654544,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH05JH","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980339,"usec":578629},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478126,"noise_level":-18.068155,"freq_skew":2.945867,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12484,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[115,60,185,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":58,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980339,"usec":601061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536798,"noise_level":-18.835972,"freq_skew":4.472531,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980341,"usec":867105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.559618,"noise_level":-18.864826,"freq_skew":6.402060,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980342,"usec":626525},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535064,"noise_level":-19.706116,"freq_skew":2.864145,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980343,"usec":420636},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614729,"noise_level":-20.350994,"freq_skew":3.029001,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12484,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[174,32,97,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980346,"usec":472741},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691507,"noise_level":-20.448496,"freq_skew":2.779495,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12484,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[174,32,97,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980364,"usec":814731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.324913,"noise_level":-22.346437,"freq_skew":2.405226,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980371,"usec":691140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.907553,"noise_level":-22.760496,"freq_skew":4.544664,"avlc":{"src":{"addr":"48C238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980372,"usec":452036},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744267,"noise_level":-23.222504,"freq_skew":4.975910,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32770,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[51,14,35,180]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980374,"usec":744965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706408,"noise_level":-22.934265,"freq_skew":5.563075,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980375,"usec":492814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921685,"noise_level":-23.552912,"freq_skew":5.564493,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980377,"usec":47319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908620,"noise_level":-24.436476,"freq_skew":2.355511,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980378,"usec":576015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.047859,"noise_level":-24.470669,"freq_skew":2.165197,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980381,"usec":617544},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.744135,"noise_level":-23.027857,"freq_skew":4.535397,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12378,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,33,43,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":18,"min":59,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980382,"usec":374033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169907,"noise_level":-23.563425,"freq_skew":3.316465,"avlc":{"src":{"addr":"3C7424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980383,"usec":117917},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822770,"noise_level":-23.394880,"freq_skew":4.441076,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980383,"usec":127737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.182072,"noise_level":-23.280083,"freq_skew":0.228005,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980383,"usec":936466},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855423,"noise_level":-23.895872,"freq_skew":0.260494,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980384,"usec":693626},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.162349,"noise_level":-23.953304,"freq_skew":5.406269,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980389,"usec":259957},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958387,"noise_level":-22.054485,"freq_skew":3.547725,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980392,"usec":317408},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127830,"noise_level":-22.847973,"freq_skew":4.205590,"avlc":{"src":{"addr":"4B1698","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IOM","mode":"2","label":"_d","blk_id":"9","ack":"H","flight":"LX05AT","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980393,"usec":855985},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865867,"noise_level":-23.009029,"freq_skew":4.578163,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980394,"usec":624843},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.973283,"noise_level":-23.381721,"freq_skew":6.352113,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,171,89,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980395,"usec":378190},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377051,"noise_level":-24.275360,"freq_skew":0.858399,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRE","mode":"2","label":"_d","blk_id":"6","ack":"A","flight":"XQ09CQ","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980397,"usec":700114},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959943,"noise_level":-23.443995,"freq_skew":4.567368,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980397,"usec":700114},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.959943,"noise_level":-23.443995,"freq_skew":4.567368,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":361,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[194,171,89,78]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980399,"usec":225799},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698925,"noise_level":-22.833250,"freq_skew":2.416190,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH002B","msg_num":"M95","msg_num_seq":"A","msg_text":"0016023426537:L))TWTP 094K18O4P870"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980401,"usec":483071},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958243,"noise_level":-22.583241,"freq_skew":0.346772,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":46.400002,"lon":11.900001},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980401,"usec":497274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861708,"noise_level":-22.432528,"freq_skew":4.422457,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980402,"usec":998863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787124,"noise_level":-23.904156,"freq_skew":0.241348,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980404,"usec":558435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880293,"noise_level":-23.350349,"freq_skew":1.641965,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980406,"usec":81067},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.464986,"noise_level":-22.686556,"freq_skew":5.950571,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23126177","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,172,127,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980406,"usec":89125},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403473,"noise_level":-23.143742,"freq_skew":2.162420,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980408,"usec":357504},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791604,"noise_level":-25.012922,"freq_skew":2.316441,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":767,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980408,"usec":373655},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783057,"noise_level":-25.598480,"freq_skew":5.989525,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980408,"usec":376074},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.116248,"noise_level":-25.581947,"freq_skew":3.728569,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980409,"usec":127403},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786934,"noise_level":-25.797281,"freq_skew":4.355186,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":139,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980409,"usec":894803},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.389620,"noise_level":-25.255791,"freq_skew":5.812197,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980411,"usec":447619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451550,"noise_level":-25.490940,"freq_skew":2.631196,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980412,"usec":211688},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594772,"noise_level":-25.304823,"freq_skew":2.226287,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980415,"usec":225446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641295,"noise_level":-25.327976,"freq_skew":4.474084,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980416,"usec":757229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847962,"noise_level":-24.598629,"freq_skew":4.674004,"avlc":{"src":{"addr":"3C5EEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980416,"usec":763667},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390204,"noise_level":-24.495998,"freq_skew":2.909561,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12484,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[55,96,91,217]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":0,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980423,"usec":651789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816679,"noise_level":-22.084179,"freq_skew":4.374631,"avlc":{"src":{"addr":"3CDDE1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980428,"usec":993253},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.075452,"noise_level":-20.384754,"freq_skew":5.325330,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":208,"dst_ref":12513,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22,0]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[54,15,55,195]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,0],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980429,"usec":6053},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.217731,"noise_level":-20.276480,"freq_skew":3.465833,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":44,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980430,"usec":553973},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205937,"noise_level":-19.805279,"freq_skew":5.468115,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980432,"usec":82896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525862,"noise_level":-19.447529,"freq_skew":4.592826,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":502,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32801,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[204,151,187,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980434,"usec":360646},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134007,"noise_level":-20.023718,"freq_skew":5.476871,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":790,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980435,"usec":139134},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220425,"noise_level":-19.665401,"freq_skew":4.641949,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980435,"usec":883600},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965766,"noise_level":-19.540930,"freq_skew":3.735180,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980435,"usec":889846},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.576311,"noise_level":-19.803164,"freq_skew":5.493882,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980435,"usec":889846},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.576311,"noise_level":-19.803164,"freq_skew":5.493882,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12513,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[241,76,48,160]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980438,"usec":189514},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625491,"noise_level":-19.332157,"freq_skew":5.356744,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980441,"usec":230591},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623583,"noise_level":-19.497265,"freq_skew":5.115638,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980441,"usec":989535},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.560872,"noise_level":-19.302719,"freq_skew":4.794744,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980444,"usec":260898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496953,"noise_level":-18.669090,"freq_skew":4.003732,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980448,"usec":871129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.879674,"noise_level":-18.129759,"freq_skew":3.357681,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980457,"usec":266959},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034932,"noise_level":-18.472275,"freq_skew":0.871039,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980458,"usec":69011},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527143,"noise_level":-18.429892,"freq_skew":0.738733,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":51,"dst_ref":34575,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[121,126,88,40]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980459,"usec":607304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.241058,"noise_level":-18.794712,"freq_skew":5.372633,"avlc":{"src":{"addr":"3C55C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980460,"usec":336114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.569225,"noise_level":-18.734438,"freq_skew":3.847769,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980460,"usec":337898},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254111,"noise_level":-18.682037,"freq_skew":4.021154,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNH","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"BA0608","msg_num":"S30","msg_num_seq":"A","msg_text":"0EV190058V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":0,"sec":58}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980460,"usec":339446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.669348,"noise_level":-18.637373,"freq_skew":0.784602,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980464,"usec":938206},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.105474,"noise_level":-18.557423,"freq_skew":0.544695,"avlc":{"src":{"addr":"3C6441","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":11.800000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980469,"usec":517882},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.932278,"noise_level":-19.885416,"freq_skew":1.525419,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":11.400001},"alt":15000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980470,"usec":251746},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.387543,"noise_level":-19.791630,"freq_skew":5.773291,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32787,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[85,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980470,"usec":254670},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813690,"noise_level":-19.740898,"freq_skew":3.716561,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":8.700000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980470,"usec":259185},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.779515,"noise_level":-19.656998,"freq_skew":3.697059,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EUN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH005R","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980470,"usec":259185},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.779515,"noise_level":-19.656998,"freq_skew":3.697059,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222411","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,77,37,9,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980471,"usec":35846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676470,"noise_level":-19.450722,"freq_skew":5.745750,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980476,"usec":375101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736648,"noise_level":-20.722710,"freq_skew":4.127304,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980478,"usec":695224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057606,"noise_level":-20.097483,"freq_skew":5.524108,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980480,"usec":240673},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219686,"noise_level":-20.294493,"freq_skew":5.423637,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980480,"usec":240673},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.219686,"noise_level":-20.294493,"freq_skew":5.423637,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":208,"dst_ref":12513,"variable_part_params":[{"name":"atn_checksum","value":[213,107,28,132]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980480,"usec":983286},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911846,"noise_level":-20.090244,"freq_skew":1.382564,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUO","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"X307GM","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980486,"usec":341456},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773973,"noise_level":-20.461697,"freq_skew":4.443223,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980486,"usec":341456},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.773973,"noise_level":-20.461697,"freq_skew":4.443223,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":362,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[19,103,136,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980486,"usec":344448},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787615,"noise_level":-21.612957,"freq_skew":4.776442,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":109,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14595,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[96,145]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980487,"usec":110404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757335,"noise_level":-21.823833,"freq_skew":4.866220,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980488,"usec":618821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.587161,"noise_level":-21.425898,"freq_skew":4.076622,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980489,"usec":383510},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836579,"noise_level":-21.726574,"freq_skew":4.210392,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980490,"usec":956206},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631307,"noise_level":-23.166304,"freq_skew":3.699674,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":354,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55394,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[29,106,147,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980492,"usec":472174},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354823,"noise_level":-22.539158,"freq_skew":4.032706,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980493,"usec":223624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176401,"noise_level":-22.366360,"freq_skew":4.219948,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36580,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[154,57,234,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980494,"usec":760193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.228102,"noise_level":-21.612972,"freq_skew":3.721055,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980495,"usec":493558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273613,"noise_level":-21.592081,"freq_skew":4.781020,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980496,"usec":277565},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.761739,"noise_level":-21.105183,"freq_skew":5.295641,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980500,"usec":864429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176157,"noise_level":-20.374596,"freq_skew":3.451878,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980502,"usec":388029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.800366,"noise_level":-19.881035,"freq_skew":3.739534,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980506,"usec":232630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.540845,"noise_level":-20.055706,"freq_skew":3.791369,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980512,"usec":359132},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.186958,"noise_level":-20.131693,"freq_skew":3.139148,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25363,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[123,249,121,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":1,"sec":51}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980513,"usec":105733},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665261,"noise_level":-20.017797,"freq_skew":2.385538,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"9","ack":"B","flight":"LH002B","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980516,"usec":154302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.212798,"noise_level":-20.313526,"freq_skew":3.739162,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980516,"usec":901161},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875922,"noise_level":-20.197237,"freq_skew":3.450385,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"21001461","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,193,83,68,73,0,68,3,49,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980518,"usec":467583},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.665785,"noise_level":-21.714914,"freq_skew":4.725931,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":4}},{"name":"dst_airport","value":"EPRZ"},{"name":"ac_location","value":{"loc":{"lat":51.700001,"lon":12.000000},"alt":192000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980519,"usec":213278},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.293564,"noise_level":-21.609734,"freq_skew":1.341421,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12520,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[60,199]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":1,"sec":54}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980519,"usec":233824},"freq":136975000,"burst_len_octets":90,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.783277,"noise_level":-22.067642,"freq_skew":2.148911,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980520,"usec":739392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071299,"noise_level":-22.452803,"freq_skew":2.224549,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980520,"usec":740559},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232448,"noise_level":-22.441292,"freq_skew":1.302827,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12520,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[14,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980521,"usec":490965},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803562,"noise_level":-22.605877,"freq_skew":3.493641,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55440,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[13,4,89,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980521,"usec":506249},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715907,"noise_level":-23.182087,"freq_skew":0.985073,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EPGD"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.300000},"alt":11000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980522,"usec":249486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881274,"noise_level":-23.704844,"freq_skew":1.387841,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980522,"usec":253333},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619212,"noise_level":-23.572786,"freq_skew":3.151994,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980523,"usec":34571},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963654,"noise_level":-23.404881,"freq_skew":0.984879,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980523,"usec":40818},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608664,"noise_level":-23.956268,"freq_skew":2.825418,"avlc":{"src":{"addr":"3C64AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12484,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[84,72,181,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980524,"usec":544994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988697,"noise_level":-25.699369,"freq_skew":0.885976,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980526,"usec":107988},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095401,"noise_level":-25.076845,"freq_skew":4.073113,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980526,"usec":875713},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314098,"noise_level":-26.631842,"freq_skew":2.790781,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980527,"usec":615776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.753911,"noise_level":-26.380840,"freq_skew":5.677797,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980527,"usec":618306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762760,"noise_level":-26.290770,"freq_skew":3.534769,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980528,"usec":374375},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882327,"noise_level":-26.237173,"freq_skew":2.994541,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25363,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[41,81,132,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980530,"usec":651157},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546144,"noise_level":-24.902512,"freq_skew":4.824231,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":332,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32770,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[51,18,23,103]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32770,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,201,37,47]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":2,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980532,"usec":968855},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.335495,"noise_level":-23.929195,"freq_skew":5.679985,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980533,"usec":751103},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572530,"noise_level":-24.537148,"freq_skew":2.882095,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINA","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"LH02LC","msg_num":"S69","msg_num_seq":"A","msg_text":"0EV190211V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":2,"sec":11}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980534,"usec":492572},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658971,"noise_level":-24.774334,"freq_skew":1.028051,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980537,"usec":527685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601587,"noise_level":-24.458628,"freq_skew":0.132604,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980538,"usec":306989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.220317,"noise_level":-23.906403,"freq_skew":4.958702,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980540,"usec":626767},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875041,"noise_level":-25.138321,"freq_skew":3.946249,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980545,"usec":166760},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273870,"noise_level":-24.596327,"freq_skew":1.464722,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980547,"usec":500260},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583177,"noise_level":-23.601381,"freq_skew":3.890960,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ACJJ","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"ZQ046V","msg_num":"M09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980548,"usec":248490},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630579,"noise_level":-24.643251,"freq_skew":2.113360,"avlc":{"src":{"addr":"3007EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENB","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"EN01ER","msg_num":"M65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980549,"usec":783049},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903512,"noise_level":-24.257393,"freq_skew":3.853809,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980550,"usec":533586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.344764,"noise_level":-24.223125,"freq_skew":1.421367,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980550,"usec":534831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878747,"noise_level":-24.209011,"freq_skew":2.176944,"avlc":{"src":{"addr":"3007EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980550,"usec":548232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913085,"noise_level":-24.041420,"freq_skew":3.998654,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980551,"usec":281469},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.142300,"noise_level":-23.958818,"freq_skew":2.177874,"avlc":{"src":{"addr":"3007EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980551,"usec":298010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600386,"noise_level":-23.755693,"freq_skew":5.005954,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980552,"usec":852010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763124,"noise_level":-24.893791,"freq_skew":3.985818,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980552,"usec":857910},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.174291,"noise_level":-26.007427,"freq_skew":4.060507,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980554,"usec":365066},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477467,"noise_level":-25.420605,"freq_skew":5.715960,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980554,"usec":381013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531690,"noise_level":-26.222895,"freq_skew":5.052724,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980556,"usec":638797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.734390,"noise_level":-26.315510,"freq_skew":1.206338,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980558,"usec":157087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.576563,"noise_level":-25.936033,"freq_skew":4.438458,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980558,"usec":936266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031771,"noise_level":-25.441952,"freq_skew":1.019619,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980560,"usec":491179},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.304167,"noise_level":-24.784843,"freq_skew":1.154786,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,83,88,83,0,75,206,69,0,1,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,101,117,0,1,68,89,0,1,0,0,71,71,49,49,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":301,"segment_offset":0,"pdu_total_len":123},"reasm_status":"skipped","options":[{"name":"lref","value":[2]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":18}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":9163,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"calling_transport_selector","value":[67,77]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[107,173]},{"name":"atn_checksum","value":[10,10,107,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980560,"usec":495940},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827977,"noise_level":-24.724779,"freq_skew":1.493639,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1567,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36595,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[207,222,201,45]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980561,"usec":255116},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318096,"noise_level":-25.086119,"freq_skew":0.742301,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32893,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[244,38,103,238]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980562,"usec":756449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.142768,"noise_level":-24.659943,"freq_skew":2.716057,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980562,"usec":759668},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787829,"noise_level":-25.682251,"freq_skew":1.415644,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1568,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12465,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[183,95,143,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980562,"usec":766305},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.959483,"noise_level":-25.891569,"freq_skew":0.929561,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":9163,"dst_ref":32893,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[35,59,148,236]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980565,"usec":43825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891028,"noise_level":-24.694313,"freq_skew":1.723515,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980566,"usec":610824},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487719,"noise_level":-23.840445,"freq_skew":2.195949,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980566,"usec":613126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.615540,"noise_level":-23.813454,"freq_skew":5.911666,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980567,"usec":383848},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739492,"noise_level":-24.164055,"freq_skew":0.831447,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980568,"usec":901161},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831088,"noise_level":-23.541573,"freq_skew":0.917334,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":307,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32894,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,120,235,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":2,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980570,"usec":403972},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.284045,"noise_level":-22.985193,"freq_skew":0.791277,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980571,"usec":169396},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.783023,"noise_level":-22.601830,"freq_skew":4.763505,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980573,"usec":477448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726995,"noise_level":-22.742142,"freq_skew":5.774098,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980573,"usec":498358},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517016,"noise_level":-22.507143,"freq_skew":5.982005,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32787,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[70,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980575,"usec":3554},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.211472,"noise_level":-22.066406,"freq_skew":1.022498,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[223,196,148,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980578,"usec":38192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.948337,"noise_level":-21.009466,"freq_skew":3.893845,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980580,"usec":352444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.488770,"noise_level":-22.401367,"freq_skew":4.612481,"avlc":{"src":{"addr":"503C24","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980587,"usec":985832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854029,"noise_level":-22.677197,"freq_skew":4.074290,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980591,"usec":790636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.335058,"noise_level":-22.911282,"freq_skew":2.859131,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980592,"usec":597461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.500683,"noise_level":-22.589415,"freq_skew":3.715244,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980596,"usec":416953},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017308,"noise_level":-21.019848,"freq_skew":3.113919,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"LTFM"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":7.600000},"alt":23000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980597,"usec":168758},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.569394,"noise_level":-21.338566,"freq_skew":3.148689,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LLG","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"TK06EZ","msg_num":"S20","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980597,"usec":922543},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290061,"noise_level":-21.128332,"freq_skew":3.878820,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[128,160,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980597,"usec":930700},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301600,"noise_level":-21.029984,"freq_skew":3.252011,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980601,"usec":757353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.722377,"noise_level":-20.015961,"freq_skew":5.353791,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980601,"usec":761853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.106940,"noise_level":-19.989893,"freq_skew":3.639885,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980604,"usec":31157},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728237,"noise_level":-20.526077,"freq_skew":5.424416,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980607,"usec":115640},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628953,"noise_level":-19.986576,"freq_skew":3.176388,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,84,72,89,0,75,177,135,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980608,"usec":636760},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.912232,"noise_level":-20.494707,"freq_skew":0.929190,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[53,145,198,222]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980608,"usec":636760},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.912232,"noise_level":-20.494707,"freq_skew":0.929190,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":311,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32894,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,77,69,99]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":3,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980609,"usec":406611},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486810,"noise_level":-20.187567,"freq_skew":1.265268,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980609,"usec":414305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004597,"noise_level":-20.663074,"freq_skew":3.052425,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980612,"usec":432608},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763610,"noise_level":-20.118418,"freq_skew":3.748064,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":4,"chan_num":5,"calling_addr":"22231226","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,193,80,82,84,0,73,50,150,0,0,0,0,0,0,1,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980614,"usec":773743},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.257199,"noise_level":-21.106705,"freq_skew":1.224867,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980617,"usec":796378},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502465,"noise_level":-22.145395,"freq_skew":5.374978,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5906,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12535,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[36,228]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980617,"usec":804879},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.023417,"noise_level":-23.131706,"freq_skew":1.078018,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32894,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,203,216,30]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":3,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980620,"usec":120438},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534170,"noise_level":-23.468056,"freq_skew":5.390547,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5909,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":12535,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[34,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980620,"usec":901318},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358804,"noise_level":-23.660103,"freq_skew":5.583031,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980622,"usec":413904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802123,"noise_level":-24.939526,"freq_skew":2.261267,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980623,"usec":154950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353218,"noise_level":-24.757381,"freq_skew":0.785326,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980623,"usec":161359},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793465,"noise_level":-24.695704,"freq_skew":1.485967,"avlc":{"src":{"addr":"4BCE0B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980623,"usec":178109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738068,"noise_level":-24.474821,"freq_skew":2.180861,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980627,"usec":14408},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093820,"noise_level":-23.643076,"freq_skew":3.640888,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980627,"usec":765113},"freq":136975000,"burst_len_octets":18,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859388,"noise_level":-23.460047,"freq_skew":3.480451,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":4,"chan_num":5,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980629,"usec":275265},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904472,"noise_level":-22.908707,"freq_skew":3.468780,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":1,"lifetime":0.500000,"flags":14,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[8,6,6,4,43,27,0,0,0,0,1]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980630,"usec":798948},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.177422,"noise_level":-22.265375,"freq_skew":3.639099,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":5,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":127.500000,"flags":224,"pdu_id":36,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":10,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980633,"usec":119733},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051660,"noise_level":-21.468750,"freq_skew":3.772841,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":370,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":452,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[68,19,19,95]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":452,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[155,140,67,79]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":3,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980634,"usec":655695},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.732526,"noise_level":-21.565891,"freq_skew":4.030143,"avlc":{"src":{"addr":"4D22AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980635,"usec":390478},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.596223,"noise_level":-21.555763,"freq_skew":3.874263,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980635,"usec":417316},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631871,"noise_level":-21.340271,"freq_skew":3.078334,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12525,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[77,193]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980637,"usec":664556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810925,"noise_level":-21.419857,"freq_skew":3.087590,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980639,"usec":945439},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061230,"noise_level":-20.647205,"freq_skew":0.784745,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEBL"},{"name":"ac_location","value":{"loc":{"lat":46.100002,"lon":11.400001},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980640,"usec":766419},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787680,"noise_level":-20.244919,"freq_skew":5.667473,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1384,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980641,"usec":529047},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818499,"noise_level":-20.015675,"freq_skew":3.759794,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980643,"usec":32970},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.434475,"noise_level":-20.902267,"freq_skew":5.472756,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JHA","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"LX0253","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980649,"usec":160443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.699640,"noise_level":-20.720854,"freq_skew":1.053702,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980649,"usec":919081},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.911486,"noise_level":-20.589748,"freq_skew":3.083092,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25363,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[246,121,185,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980650,"usec":678001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801061,"noise_level":-21.240650,"freq_skew":5.864351,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980653,"usec":752401},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917395,"noise_level":-21.495934,"freq_skew":1.296302,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980654,"usec":523874},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621387,"noise_level":-22.496849,"freq_skew":1.356350,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980658,"usec":311450},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600516,"noise_level":-25.475830,"freq_skew":1.874386,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980659,"usec":65930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943939,"noise_level":-25.489511,"freq_skew":3.850627,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980659,"usec":831713},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957406,"noise_level":-26.535458,"freq_skew":1.719405,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCP","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LX07ZX","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980661,"usec":401623},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.957072,"noise_level":-27.692320,"freq_skew":5.507655,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AMAG","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"X3010D","msg_num":"121","msg_num_seq":"B","sublabel":"T1","msg_text":"14 09SEP26 : 1714 09SEP26\n\rEOR"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980664,"usec":425809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784992,"noise_level":-27.510265,"freq_skew":2.583459,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980666,"usec":726271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060106,"noise_level":-26.567650,"freq_skew":5.560598,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980673,"usec":608366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968085,"noise_level":-23.339520,"freq_skew":2.113718,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980673,"usec":611699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024047,"noise_level":-23.301331,"freq_skew":5.244316,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980679,"usec":684150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727794,"noise_level":-22.466516,"freq_skew":3.603177,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTV","mode":"2","label":"_d","blk_id":"9","ack":"T","flight":"GS0000","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980682,"usec":3996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277463,"noise_level":-22.596056,"freq_skew":3.384769,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980682,"usec":10761},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609701,"noise_level":-22.755329,"freq_skew":5.341954,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980682,"usec":19488},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749099,"noise_level":-22.689636,"freq_skew":3.978540,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980682,"usec":20876},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042638,"noise_level":-23.752756,"freq_skew":3.966066,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":365,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12378,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[19,103,136,105]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980685,"usec":818897},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611802,"noise_level":-22.256910,"freq_skew":1.119378,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980687,"usec":330161},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703922,"noise_level":-22.210218,"freq_skew":3.495292,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH0338","msg_num":"M05","msg_num_seq":"A","msg_text":"00407209275KO2OG3W220,H,0J (+TB6XHHQO(:6CL++237 4919-YOOX4S*TJ"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980688,"usec":130321},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361247,"noise_level":-21.967186,"freq_skew":5.275137,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980688,"usec":900401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598787,"noise_level":-22.208122,"freq_skew":3.820024,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980690,"usec":420853},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465328,"noise_level":-21.841372,"freq_skew":1.220226,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":316,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[83,202,38,36]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980691,"usec":171577},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823004,"noise_level":-21.692335,"freq_skew":2.230780,"avlc":{"src":{"addr":"3007EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980691,"usec":181280},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748954,"noise_level":-21.587427,"freq_skew":0.997807,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":621,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980691,"usec":924849},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843937,"noise_level":-21.902887,"freq_skew":1.197040,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980691,"usec":933003},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685517,"noise_level":-21.742182,"freq_skew":3.709940,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTV","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"GS0000","msg_num":"L46","msg_num_seq":"A","msg_text":"/EHAM.TI2/000EHAMA0E3C"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980693,"usec":444249},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604908,"noise_level":-21.398756,"freq_skew":3.505836,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTV","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"GS0000","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980695,"usec":775610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124319,"noise_level":-22.217995,"freq_skew":2.333566,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980698,"usec":824520},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.448442,"noise_level":-21.530706,"freq_skew":1.048506,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":36,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34575,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[180,39,97,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980699,"usec":583436},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748819,"noise_level":-21.315826,"freq_skew":3.778107,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH0338","msg_num":"D78","msg_num_seq":"E","sublabel":"DF","msg_text":"I64J4EKK66LEUJ2/5U2Y1IUW2KM,1V-0KTBXSTO80+VV65,080UY/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980699,"usec":587348},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772445,"noise_level":-21.489365,"freq_skew":2.219858,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":722,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32814,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[55,168,204,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980699,"usec":591654},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.482930,"noise_level":-21.448219,"freq_skew":0.788153,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34575,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[25,12,171,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980702,"usec":637459},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822746,"noise_level":-22.091423,"freq_skew":1.098437,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32894,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[99,165,226,182]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980702,"usec":640902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514200,"noise_level":-22.201738,"freq_skew":3.564241,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980702,"usec":642688},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.701508,"noise_level":-22.179382,"freq_skew":5.334848,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980702,"usec":650737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046925,"noise_level":-22.035461,"freq_skew":1.947893,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980706,"usec":461793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137124,"noise_level":-20.799208,"freq_skew":1.127554,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980707,"usec":198883},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641279,"noise_level":-20.676279,"freq_skew":1.608033,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":9.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980708,"usec":771190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836721,"noise_level":-22.776302,"freq_skew":1.865021,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980709,"usec":531612},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802876,"noise_level":-23.390537,"freq_skew":5.570960,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980710,"usec":282560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848716,"noise_level":-23.774691,"freq_skew":1.536497,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980711,"usec":813919},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855606,"noise_level":-24.125248,"freq_skew":1.322335,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[168,151,88,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980712,"usec":561577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.194335,"noise_level":-23.918238,"freq_skew":2.140946,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980714,"usec":136163},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016611,"noise_level":-23.695740,"freq_skew":5.427529,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":798,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":17,"dst_ref":12546,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[175,229]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980714,"usec":140595},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871706,"noise_level":-24.027424,"freq_skew":3.680911,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980714,"usec":903233},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685431,"noise_level":-23.649105,"freq_skew":5.348274,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":799,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12546,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,210]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980717,"usec":160946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502618,"noise_level":-22.926405,"freq_skew":5.155097,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980717,"usec":939921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504052,"noise_level":-23.553566,"freq_skew":3.612774,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980720,"usec":976954},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.247927,"noise_level":-26.337864,"freq_skew":5.277088,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":800,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12546,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[138,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980722,"usec":531705},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780021,"noise_level":-26.423891,"freq_skew":1.067647,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12538,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[32,177,72,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980723,"usec":290118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919577,"noise_level":-26.102360,"freq_skew":3.631245,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980724,"usec":42875},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.423676,"noise_level":-26.467262,"freq_skew":5.698734,"avlc":{"src":{"addr":"48C2B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980725,"usec":566026},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585677,"noise_level":-26.817396,"freq_skew":4.437136,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":506,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32801,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[204,151,187,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980725,"usec":572983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843054,"noise_level":-26.703896,"freq_skew":3.994166,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980726,"usec":323123},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042478,"noise_level":-26.408281,"freq_skew":1.259779,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980727,"usec":875702},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859226,"noise_level":-26.061798,"freq_skew":0.885856,"avlc":{"src":{"addr":"3C6663","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,68,76,72,0,60,102,99,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,68,69,0,1,68,68,1,0,69,68,85,85,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":622,"segment_offset":0,"pdu_total_len":122},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":16}}]}},{"name":"priority","value":[8]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":72,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[200,196]},{"name":"atn_checksum","value":[234,206,248,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980727,"usec":881744},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845176,"noise_level":-25.974958,"freq_skew":1.690904,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980729,"usec":412252},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458282,"noise_level":-25.026394,"freq_skew":1.286512,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12521,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[138,126,53,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980729,"usec":413204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590867,"noise_level":-25.776314,"freq_skew":0.352898,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980730,"usec":153771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052906,"noise_level":-25.331844,"freq_skew":1.739299,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980730,"usec":154704},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.418982,"noise_level":-25.267891,"freq_skew":3.940557,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36580,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[99,165,24,134]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36580,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,125,129,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980730,"usec":925488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650503,"noise_level":-25.063231,"freq_skew":1.470038,"avlc":{"src":{"addr":"3C674A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980732,"usec":430124},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557271,"noise_level":-25.373442,"freq_skew":5.044984,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980732,"usec":440597},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.029544,"noise_level":-25.919018,"freq_skew":1.269068,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUO","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"X307GM","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980733,"usec":213149},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605888,"noise_level":-26.054678,"freq_skew":3.844043,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980733,"usec":213149},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.605888,"noise_level":-26.054678,"freq_skew":3.844043,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":368,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":61,"dst_ref":12378,"variable_part_params":[{"name":"atn_checksum","value":[241,55,179,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980736,"usec":268661},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029101,"noise_level":-25.351330,"freq_skew":3.196090,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980737,"usec":40744},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250414,"noise_level":-24.896992,"freq_skew":3.950465,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":915,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36580,"credit":4,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[99,165,24,134]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36580,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,125,129,6]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980740,"usec":77321},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797933,"noise_level":-24.286228,"freq_skew":4.553414,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980740,"usec":826713},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923000,"noise_level":-24.117153,"freq_skew":4.134787,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":918,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25389,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[27,59,189,60]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980741,"usec":643488},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.463104,"noise_level":-23.899221,"freq_skew":4.177327,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.299999,"lon":6.500000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980743,"usec":938490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.286355,"noise_level":-24.876488,"freq_skew":4.543759,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980744,"usec":673443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790527,"noise_level":-25.382713,"freq_skew":4.295627,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980745,"usec":450776},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511538,"noise_level":-25.597057,"freq_skew":4.733298,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32839,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[28,186]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":5,"sec":44}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980750,"usec":52646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476379,"noise_level":-25.128775,"freq_skew":4.468365,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980751,"usec":547983},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.801131,"noise_level":-24.611473,"freq_skew":4.235016,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":13.800000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980756,"usec":939638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944697,"noise_level":-23.111897,"freq_skew":4.848487,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980759,"usec":189550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925191,"noise_level":-22.396479,"freq_skew":1.809767,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980759,"usec":210956},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992605,"noise_level":-22.215250,"freq_skew":1.271207,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17006247","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,167,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980762,"usec":280278},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180671,"noise_level":-22.209770,"freq_skew":4.133555,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,76,173,219,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980762,"usec":291179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173017,"noise_level":-22.087410,"freq_skew":3.846596,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980763,"usec":799668},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832967,"noise_level":-22.138948,"freq_skew":0.519298,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":476,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980764,"usec":555231},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905651,"noise_level":-22.488422,"freq_skew":1.661591,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCP","mode":"2","label":"_d","blk_id":"7","ack":"V","flight":"LX07ZX","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980764,"usec":557104},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.092386,"noise_level":-22.465321,"freq_skew":3.801489,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55440,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[13,106,239,23]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55440,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,64,16,105]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":6,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980766,"usec":66308},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.036903,"noise_level":-23.010900,"freq_skew":4.813992,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980768,"usec":399007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791284,"noise_level":-22.002941,"freq_skew":4.029707,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980769,"usec":922267},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255423,"noise_level":-22.126354,"freq_skew":3.640877,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980770,"usec":680019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006250,"noise_level":-21.842566,"freq_skew":3.948924,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980771,"usec":422023},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215456,"noise_level":-21.693512,"freq_skew":3.526330,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":191,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55440,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[128,10,234,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980772,"usec":195420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.805042,"noise_level":-22.001175,"freq_skew":1.802285,"avlc":{"src":{"addr":"4D2412","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980772,"usec":957230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.010378,"noise_level":-21.876345,"freq_skew":1.673690,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980772,"usec":957961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505865,"noise_level":-21.876345,"freq_skew":1.024196,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980776,"usec":802124},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740717,"noise_level":-21.896233,"freq_skew":1.924226,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980777,"usec":541391},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583787,"noise_level":-21.863878,"freq_skew":4.030097,"avlc":{"src":{"addr":"4CADDB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":929,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25389,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[181,222,213,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":6,"sec":16}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980779,"usec":72068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166001,"noise_level":-21.503242,"freq_skew":4.564847,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980782,"usec":149624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559854,"noise_level":-22.204254,"freq_skew":2.401937,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":724,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32814,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[55,168,204,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980782,"usec":909403},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038196,"noise_level":-21.874725,"freq_skew":3.595498,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980787,"usec":464882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995090,"noise_level":-22.057255,"freq_skew":4.652264,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980788,"usec":225719},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649581,"noise_level":-22.377708,"freq_skew":1.665593,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980789,"usec":789069},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.391459,"noise_level":-21.966900,"freq_skew":3.564917,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980790,"usec":536116},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.474743,"noise_level":-21.751720,"freq_skew":3.866614,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21466,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[155,197,227,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980791,"usec":321569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808185,"noise_level":-21.346855,"freq_skew":3.196838,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980795,"usec":925101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821282,"noise_level":-21.908630,"freq_skew":5.715253,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980796,"usec":668401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797121,"noise_level":-21.716011,"freq_skew":5.516430,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980798,"usec":180553},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014179,"noise_level":-21.498043,"freq_skew":4.247403,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWL","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH05JH","msg_num":"M13","msg_num_seq":"A","msg_text":"00174209287GXKXXB3::*-AP76*J4(J5)QSS81WLOKW:2QQ16*PK6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980798,"usec":949342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.161104,"noise_level":-21.269341,"freq_skew":1.016674,"avlc":{"src":{"addr":"3C66A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980799,"usec":709495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.515677,"noise_level":-20.992325,"freq_skew":5.430498,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980800,"usec":456903},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529049,"noise_level":-21.876087,"freq_skew":2.634609,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LGIR"},{"name":"ac_location","value":{"loc":{"lat":49.200001,"lon":7.600000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980802,"usec":31624},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474661,"noise_level":-22.050753,"freq_skew":5.618540,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5920,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12536,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[26,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":6,"sec":40}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980802,"usec":793675},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965768,"noise_level":-22.831907,"freq_skew":1.087361,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980811,"usec":187645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704506,"noise_level":-22.165859,"freq_skew":3.078689,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980813,"usec":460191},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.369869,"noise_level":-22.994705,"freq_skew":5.699724,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":827,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":471,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[153,214]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":6,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980815,"usec":778756},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.597364,"noise_level":-22.681749,"freq_skew":5.665178,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980815,"usec":796113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011000,"noise_level":-22.506119,"freq_skew":3.521425,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980816,"usec":560557},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712893,"noise_level":-23.417953,"freq_skew":3.354220,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980818,"usec":75990},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.636214,"noise_level":-23.084995,"freq_skew":4.188225,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980821,"usec":101364},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623776,"noise_level":-21.894300,"freq_skew":4.559275,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980821,"usec":103232},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.316768,"noise_level":-22.052753,"freq_skew":4.660826,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":8.800000},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980824,"usec":199319},"freq":136975000,"burst_len_octets":144,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.600520,"noise_level":-23.284378,"freq_skew":4.865908,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWK","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH003V","msg_num":"D07","msg_num_seq":"I","sublabel":"DF","msg_text":"13,021,186,30,25506,2/2V-128,-333,04000,00288,205,204,200,0/2X1481,-0250,073,019,009,034,006,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980825,"usec":712912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.722041,"noise_level":-22.755661,"freq_skew":4.320072,"avlc":{"src":{"addr":"3C5EEC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980827,"usec":233957},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625272,"noise_level":-22.727816,"freq_skew":4.967292,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980828,"usec":796227},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.582135,"noise_level":-22.248615,"freq_skew":5.720722,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":830,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":6,"dst_ref":471,"variable_part_params":[{"name":"checksum","value":[43,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980829,"usec":537167},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.436434,"noise_level":-22.369738,"freq_skew":5.374334,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":831,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55443,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[196,157]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980837,"usec":203909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181519,"noise_level":-20.267479,"freq_skew":2.654917,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980838,"usec":693222},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838884,"noise_level":-21.159382,"freq_skew":4.432395,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980839,"usec":454035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.545942,"noise_level":-20.905056,"freq_skew":4.840017,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980839,"usec":466617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.353827,"noise_level":-20.790140,"freq_skew":2.814585,"avlc":{"src":{"addr":"3C65C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980842,"usec":553560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398861,"noise_level":-20.289528,"freq_skew":2.255967,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980846,"usec":329625},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892378,"noise_level":-21.918371,"freq_skew":2.178834,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980846,"usec":330842},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791339,"noise_level":-21.907543,"freq_skew":4.344059,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRX","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH05RM","msg_num":"S16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980847,"usec":106340},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865031,"noise_level":-21.516180,"freq_skew":2.202854,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":729,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":72,"dst_ref":32814,"variable_part_params":[{"name":"atn_checksum","value":[249,5,231,7]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980847,"usec":871260},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800743,"noise_level":-21.567068,"freq_skew":4.135350,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980850,"usec":936997},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.359121,"noise_level":-20.820316,"freq_skew":3.525196,"avlc":{"src":{"addr":"4D2509","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21466,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[155,197,227,235]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980850,"usec":939071},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906315,"noise_level":-20.801247,"freq_skew":1.333192,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCA","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"LX08CM","msg_num":"L23","msg_num_seq":"A","msg_text":"/LSGG.TI2/024LSGGA98D1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980851,"usec":708401},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520190,"noise_level":-21.397861,"freq_skew":5.639738,"avlc":{"src":{"addr":"4CA80D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5922,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980855,"usec":484697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.535712,"noise_level":-21.456118,"freq_skew":1.140463,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980862,"usec":425794},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616930,"noise_level":-21.484039,"freq_skew":3.129588,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980870,"usec":44112},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274072,"noise_level":-21.316109,"freq_skew":5.404614,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980871,"usec":580662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911347,"noise_level":-21.498905,"freq_skew":4.930190,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980873,"usec":85043},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214695,"noise_level":-21.227493,"freq_skew":5.634840,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980873,"usec":91571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975498,"noise_level":-21.167675,"freq_skew":3.701307,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980873,"usec":98290},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.125015,"noise_level":-22.202793,"freq_skew":5.724132,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980873,"usec":847544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670047,"noise_level":-22.047482,"freq_skew":5.466906,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980873,"usec":860711},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.025921,"noise_level":-21.905710,"freq_skew":5.616873,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":836,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55443,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[188,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980874,"usec":605518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.438564,"noise_level":-21.766214,"freq_skew":5.358025,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980875,"usec":378610},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671616,"noise_level":-21.421856,"freq_skew":2.401026,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":420,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980876,"usec":124546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590481,"noise_level":-22.282948,"freq_skew":3.078276,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980877,"usec":698094},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.571814,"noise_level":-22.285019,"freq_skew":5.609676,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":836,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55443,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[188,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980878,"usec":450859},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.673777,"noise_level":-22.095015,"freq_skew":5.513828,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":837,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55443,"credit":3,"rseq":3,"variable_part_params":[{"name":"checksum","value":[181,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980878,"usec":464460},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.417848,"noise_level":-21.941603,"freq_skew":5.721477,"avlc":{"src":{"addr":"4CA259","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980879,"usec":204035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460672,"noise_level":-23.571836,"freq_skew":3.148915,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980879,"usec":978335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111346,"noise_level":-23.817043,"freq_skew":3.150149,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980879,"usec":989013},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996674,"noise_level":-23.683283,"freq_skew":2.426542,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980882,"usec":250372},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662073,"noise_level":-23.961700,"freq_skew":4.630551,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980884,"usec":583614},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521300,"noise_level":-22.856403,"freq_skew":4.734415,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8458,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32839,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[4,83]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980885,"usec":327110},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701305,"noise_level":-23.215628,"freq_skew":3.218685,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":628,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[209,169,11,213]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980886,"usec":105336},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584906,"noise_level":-23.722759,"freq_skew":0.997636,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980888,"usec":359094},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859056,"noise_level":-24.232264,"freq_skew":7.014424,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980890,"usec":682377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078644,"noise_level":-23.193985,"freq_skew":3.471250,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980891,"usec":445350},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587169,"noise_level":-22.849600,"freq_skew":4.870074,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980896,"usec":816510},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686172,"noise_level":-21.147541,"freq_skew":3.022681,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22730607","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,72,89,0,75,177,135,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980898,"usec":329448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261096,"noise_level":-20.721973,"freq_skew":3.002299,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980902,"usec":930014},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421601,"noise_level":-20.253868,"freq_skew":1.294942,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":324,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[243,31,147,18]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980903,"usec":695859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840346,"noise_level":-20.070671,"freq_skew":3.550886,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980903,"usec":699867},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523382,"noise_level":-20.044441,"freq_skew":3.346517,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":18,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[194,113]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980906,"usec":735821},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659231,"noise_level":-22.079256,"freq_skew":3.573928,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ACJJ","mode":"2","label":"_d","blk_id":"9","ack":"F","flight":"ZQ046V","msg_num":"M13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980907,"usec":503107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615333,"noise_level":-23.541023,"freq_skew":4.874129,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980910,"usec":552420},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802141,"noise_level":-22.554588,"freq_skew":3.514567,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":18,"dst_ref":32920,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[59,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980910,"usec":552740},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.029682,"noise_level":-22.554588,"freq_skew":4.871140,"avlc":{"src":{"addr":"48C2B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4883,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980911,"usec":316394},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776801,"noise_level":-22.397564,"freq_skew":3.160052,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":295,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":22,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980912,"usec":854970},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.833250,"noise_level":-22.039692,"freq_skew":3.813283,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980913,"usec":624255},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140114,"noise_level":-21.621502,"freq_skew":5.717725,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKA","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR55HD","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980915,"usec":112145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377239,"noise_level":-22.423130,"freq_skew":5.753634,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980915,"usec":887069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153595,"noise_level":-22.944727,"freq_skew":5.321239,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980915,"usec":889692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.123704,"noise_level":-22.908228,"freq_skew":4.572836,"avlc":{"src":{"addr":"48C2B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980920,"usec":501593},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943389,"noise_level":-23.626612,"freq_skew":3.181952,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980923,"usec":513593},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482061,"noise_level":-22.915442,"freq_skew":4.224807,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980932,"usec":725727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885561,"noise_level":-22.018415,"freq_skew":3.416593,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980938,"usec":78255},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100728,"noise_level":-20.444885,"freq_skew":2.315343,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980938,"usec":82981},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.076800,"noise_level":-21.340580,"freq_skew":1.209545,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":744,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980938,"usec":93505},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602439,"noise_level":-21.229799,"freq_skew":7.017280,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2345,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32824,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[247,206]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":8,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980940,"usec":346594},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327881,"noise_level":-21.245768,"freq_skew":1.743404,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980941,"usec":111047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713561,"noise_level":-21.620605,"freq_skew":1.320312,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980941,"usec":119267},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669799,"noise_level":-21.547638,"freq_skew":7.032365,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32824,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[128,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980941,"usec":886819},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564857,"noise_level":-21.599709,"freq_skew":2.938134,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":629,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980941,"usec":897908},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.294780,"noise_level":-21.516563,"freq_skew":4.920011,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980941,"usec":898625},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863760,"noise_level":-21.516563,"freq_skew":2.177280,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWH","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"LH03JN","msg_num":"M86","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980944,"usec":196073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459261,"noise_level":-23.211082,"freq_skew":2.305342,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980945,"usec":736575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702046,"noise_level":-22.395737,"freq_skew":2.186931,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWH","mode":"2","label":"_d","blk_id":"5","ack":"F","flight":"LH03JN","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980949,"usec":524958},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102155,"noise_level":-24.728588,"freq_skew":1.141951,"avlc":{"src":{"addr":"4B17F8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LX08CM","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980951,"usec":64217},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443867,"noise_level":-25.189899,"freq_skew":5.323765,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980951,"usec":68628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531101,"noise_level":-25.095688,"freq_skew":3.106763,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980952,"usec":615686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001827,"noise_level":-24.163643,"freq_skew":4.626103,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980956,"usec":385806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682788,"noise_level":-23.678658,"freq_skew":3.014467,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980960,"usec":983675},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311816,"noise_level":-22.051826,"freq_skew":4.634180,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980966,"usec":346432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789944,"noise_level":-20.667553,"freq_skew":4.717588,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980970,"usec":951901},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.406854,"noise_level":-19.828131,"freq_skew":5.364746,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980972,"usec":484261},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.783267,"noise_level":-19.331644,"freq_skew":5.615588,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980973,"usec":251925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207668,"noise_level":-19.117161,"freq_skew":1.813609,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980977,"usec":40433},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.928213,"noise_level":-21.977516,"freq_skew":4.046815,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980977,"usec":849114},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.925953,"noise_level":-23.117666,"freq_skew":4.167571,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980978,"usec":590431},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403769,"noise_level":-23.055704,"freq_skew":4.672911,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32839,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[53,202]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980980,"usec":115039},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.574173,"noise_level":-22.401793,"freq_skew":4.592409,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":10,"dst_ref":32839,"variable_part_params":[{"name":"checksum","value":[2,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980981,"usec":630052},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.978153,"noise_level":-22.775856,"freq_skew":3.940120,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980981,"usec":632751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.049177,"noise_level":-22.740059,"freq_skew":5.164643,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":386,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980984,"usec":716284},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637500,"noise_level":-22.075447,"freq_skew":4.622693,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":10,"dst_ref":32839,"variable_part_params":[{"name":"checksum","value":[2,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980986,"usec":243679},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508743,"noise_level":-21.477879,"freq_skew":2.842727,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":9,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12565,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[73,238,144,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980987,"usec":3890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.711823,"noise_level":-22.010254,"freq_skew":4.100053,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980989,"usec":273179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.300316,"noise_level":-21.356697,"freq_skew":5.059794,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980990,"usec":28366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.652995,"noise_level":-21.958685,"freq_skew":1.658520,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980990,"usec":829474},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.069015,"noise_level":-21.565060,"freq_skew":5.366211,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788980995,"usec":394929},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898290,"noise_level":-20.201084,"freq_skew":4.034993,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":537,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981002,"usec":264691},"freq":136975000,"burst_len_octets":94,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051244,"noise_level":-19.092552,"freq_skew":1.796176,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOO","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"XQ04WL","msg_num":"M40","msg_num_seq":"A","msg_text":"191000,+8131,1917,9240,N 48.6883,E 9.8880,SXS4WL "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981004,"usec":600044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529565,"noise_level":-20.516106,"freq_skew":4.018609,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981006,"usec":119211},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160625,"noise_level":-21.185095,"freq_skew":5.422843,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCV","mode":"2","label":"85","blk_id":"0","ack":"!","flight":"PC31ZK","msg_num":"M61","msg_num_seq":"A","msg_text":"PC31ZK/09SEP26 19:09:54,2223"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981006,"usec":875479},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232553,"noise_level":-20.939697,"freq_skew":1.753274,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981006,"usec":891944},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903861,"noise_level":-20.814781,"freq_skew":5.348239,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCV","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC31ZK","msg_num":"M62","msg_num_seq":"A","msg_text":"PC31ZK/09SEP26 19:10:00,23608,2223, 205,N 51.717 E 7.392"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981008,"usec":411876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176540,"noise_level":-20.305305,"freq_skew":5.086215,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981009,"usec":142395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533713,"noise_level":-20.768425,"freq_skew":4.549113,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981009,"usec":143753},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.479410,"noise_level":-20.758942,"freq_skew":2.061265,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981009,"usec":912883},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.049433,"noise_level":-20.433352,"freq_skew":3.670949,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":61,"dst_ref":496,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[34,98,36,43]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981010,"usec":684968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.345671,"noise_level":-20.075605,"freq_skew":4.043752,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981011,"usec":477388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862360,"noise_level":-19.971092,"freq_skew":1.806919,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981011,"usec":485320},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722626,"noise_level":-21.082787,"freq_skew":3.510547,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":6,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":114,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[219,116,66,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981013,"usec":765857},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607408,"noise_level":-20.376177,"freq_skew":3.547076,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981014,"usec":511010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633751,"noise_level":-20.388645,"freq_skew":3.983169,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981016,"usec":28713},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077379,"noise_level":-20.018824,"freq_skew":3.962904,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981017,"usec":558443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038069,"noise_level":-19.478848,"freq_skew":3.590691,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981018,"usec":367462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637600,"noise_level":-20.262613,"freq_skew":3.502207,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981019,"usec":114252},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937993,"noise_level":-20.605347,"freq_skew":3.660115,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":116,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[49,65,116,183]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981019,"usec":122164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300567,"noise_level":-21.258413,"freq_skew":4.143698,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981019,"usec":864549},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.598885,"noise_level":-21.168518,"freq_skew":4.007179,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981021,"usec":388778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640596,"noise_level":-20.980856,"freq_skew":3.487447,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981026,"usec":738164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866533,"noise_level":-19.467535,"freq_skew":1.376717,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981030,"usec":531576},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779006,"noise_level":-19.223007,"freq_skew":1.736037,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981031,"usec":301358},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099980,"noise_level":-19.065586,"freq_skew":4.161464,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRX","mode":"2","label":"_d","blk_id":"1","ack":"A","flight":"LH05RM","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981032,"usec":106439},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374117,"noise_level":-18.857496,"freq_skew":1.521088,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981033,"usec":627512},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026821,"noise_level":-18.499435,"freq_skew":2.064302,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981033,"usec":635995},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.065311,"noise_level":-19.247204,"freq_skew":4.456805,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":338,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981034,"usec":402404},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797938,"noise_level":-18.949690,"freq_skew":2.838404,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981038,"usec":235582},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040708,"noise_level":-20.478935,"freq_skew":1.675479,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981041,"usec":276912},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.215000,"noise_level":-19.939211,"freq_skew":4.718347,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981044,"usec":313001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954575,"noise_level":-21.545593,"freq_skew":3.388782,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981051,"usec":189872},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.641562,"noise_level":-19.444906,"freq_skew":1.492232,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981054,"usec":247444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531253,"noise_level":-18.816343,"freq_skew":2.619653,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981054,"usec":261621},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521760,"noise_level":-20.063759,"freq_skew":4.571883,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981059,"usec":621766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866559,"noise_level":-22.038807,"freq_skew":2.729104,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981060,"usec":358950},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.614061,"noise_level":-21.918816,"freq_skew":1.910898,"avlc":{"src":{"addr":"4B1807","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981061,"usec":122867},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667063,"noise_level":-21.495945,"freq_skew":1.349243,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATUO","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"X307GM","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981062,"usec":648458},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.756569,"noise_level":-23.071194,"freq_skew":3.409140,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32922,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[171,6]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981064,"usec":158138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885732,"noise_level":-22.324865,"freq_skew":1.299709,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981064,"usec":974305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718168,"noise_level":-23.293810,"freq_skew":6.817377,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR9437","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981064,"usec":978461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346746,"noise_level":-23.268463,"freq_skew":4.680803,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981065,"usec":736029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829774,"noise_level":-23.836136,"freq_skew":3.249479,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981066,"usec":498575},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102999,"noise_level":-23.504808,"freq_skew":2.194453,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EWH","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"LH03JN","msg_num":"S74","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981067,"usec":246926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563857,"noise_level":-23.248556,"freq_skew":6.875227,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981069,"usec":527710},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701666,"noise_level":-22.349787,"freq_skew":1.775226,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":233,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":118,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981069,"usec":532874},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675940,"noise_level":-22.444012,"freq_skew":6.735786,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981074,"usec":893703},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.518394,"noise_level":-22.027412,"freq_skew":2.890091,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12525,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[84,180]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981075,"usec":642462},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137275,"noise_level":-22.037991,"freq_skew":2.569716,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981077,"usec":175930},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651811,"noise_level":-22.630281,"freq_skew":2.054804,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":730,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981078,"usec":733610},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847578,"noise_level":-22.096060,"freq_skew":3.503730,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":493,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32922,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[160,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981082,"usec":547020},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823453,"noise_level":-22.894932,"freq_skew":3.014465,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":633,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[74,13,187,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981083,"usec":289131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.420785,"noise_level":-23.103455,"freq_skew":3.977597,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981092,"usec":495686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597971,"noise_level":-20.142729,"freq_skew":4.582984,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981097,"usec":52571},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452906,"noise_level":-21.249340,"freq_skew":2.197370,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":6.500000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981107,"usec":2604},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018455,"noise_level":-21.097305,"freq_skew":2.183230,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981108,"usec":537632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749228,"noise_level":-20.543699,"freq_skew":2.544682,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981109,"usec":296819},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551607,"noise_level":-21.355835,"freq_skew":2.487583,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981110,"usec":50369},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798892,"noise_level":-21.888405,"freq_skew":3.137705,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[159,217,237,145]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12541,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[212,88,152,136]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":11,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981110,"usec":820914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506006,"noise_level":-21.508209,"freq_skew":3.033966,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981112,"usec":325319},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876352,"noise_level":-21.055239,"freq_skew":3.532144,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":370,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981113,"usec":891842},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.237010,"noise_level":-20.531883,"freq_skew":2.796527,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981114,"usec":639483},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622834,"noise_level":-20.376297,"freq_skew":2.733790,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":18,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12573,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[120,185,239,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981116,"usec":172329},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089453,"noise_level":-19.977829,"freq_skew":2.755470,"avlc":{"src":{"addr":"4D224A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981118,"usec":451704},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.376505,"noise_level":-22.037725,"freq_skew":2.959925,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNR","mode":"2","label":"_d","blk_id":"2","ack":"V","flight":"QY4853","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981118,"usec":453263},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576183,"noise_level":-23.058950,"freq_skew":3.048137,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":636,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[244,166,32,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981119,"usec":220388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671448,"noise_level":-23.089863,"freq_skew":3.085624,"avlc":{"src":{"addr":"440BCB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981127,"usec":640206},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.190744,"noise_level":-22.082521,"freq_skew":5.172319,"avlc":{"src":{"addr":"4B187A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JHA","mode":"2","label":"_d","blk_id":"6","ack":"D","flight":"LX0253","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981136,"usec":40629},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756690,"noise_level":-19.889191,"freq_skew":3.295740,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981139,"usec":882268},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133080,"noise_level":-19.242670,"freq_skew":5.739307,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32708,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[195,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981141,"usec":394375},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890849,"noise_level":-20.354958,"freq_skew":2.991871,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWV","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH09NC","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981141,"usec":396699},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122030,"noise_level":-20.336878,"freq_skew":3.380986,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":188,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981142,"usec":172417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.069780,"noise_level":-21.244421,"freq_skew":5.371148,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981142,"usec":913643},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751728,"noise_level":-21.036425,"freq_skew":2.861573,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWV","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH09NC","msg_num":"S32","msg_num_seq":"A","msg_text":"0EV191220V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":12,"sec":20}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981152,"usec":844510},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677286,"noise_level":-21.190470,"freq_skew":4.566447,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981153,"usec":634762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.378613,"noise_level":-21.897114,"freq_skew":3.893816,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981154,"usec":411749},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243509,"noise_level":-21.454708,"freq_skew":2.898047,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981163,"usec":556875},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736820,"noise_level":-19.570835,"freq_skew":2.616642,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981165,"usec":821068},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.903596,"noise_level":-20.167971,"freq_skew":5.351126,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981168,"usec":908980},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420687,"noise_level":-19.220850,"freq_skew":2.678007,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"LTFM"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":9.200000},"alt":36000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981168,"usec":913670},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255730,"noise_level":-19.675896,"freq_skew":2.591072,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LLG","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"TK06EZ","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981173,"usec":525672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.978224,"noise_level":-20.555048,"freq_skew":4.114049,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981174,"usec":263853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.238681,"noise_level":-20.991858,"freq_skew":2.830589,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981174,"usec":270938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603953,"noise_level":-21.390015,"freq_skew":2.826535,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981175,"usec":786595},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-11.378040,"noise_level":-23.405071,"freq_skew":5.308035,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981176,"usec":546632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837312,"noise_level":-23.112602,"freq_skew":3.689603,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981176,"usec":558894},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.001816,"noise_level":-23.338757,"freq_skew":5.355968,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-HZO","mode":"2","label":"_d","blk_id":"8","ack":"R","flight":"HV6432","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981178,"usec":71980},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.809978,"noise_level":-22.875586,"freq_skew":5.520483,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-HZO","mode":"2","label":"_d","blk_id":"9","ack":"S","flight":"HV6432","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981182,"usec":663913},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711821,"noise_level":-22.047199,"freq_skew":2.486874,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.400002,"lon":8.100000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981184,"usec":178792},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688696,"noise_level":-22.775698,"freq_skew":2.431247,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981184,"usec":187644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669486,"noise_level":-22.668751,"freq_skew":3.949062,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981184,"usec":950346},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.742819,"noise_level":-22.401276,"freq_skew":3.977946,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981186,"usec":513444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818552,"noise_level":-21.846752,"freq_skew":4.494144,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981186,"usec":514395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761811,"noise_level":-21.836016,"freq_skew":5.137981,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981187,"usec":269438},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575359,"noise_level":-21.613548,"freq_skew":5.966746,"avlc":{"src":{"addr":"4D248D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981188,"usec":16118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903788,"noise_level":-21.427292,"freq_skew":2.380986,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981192,"usec":584459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692341,"noise_level":-20.783331,"freq_skew":5.114096,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981193,"usec":351081},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090139,"noise_level":-20.447693,"freq_skew":3.437449,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[134,14,166,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981201,"usec":34522},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711648,"noise_level":-19.734314,"freq_skew":3.638129,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981201,"usec":788637},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715508,"noise_level":-20.442413,"freq_skew":3.488925,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981202,"usec":531904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065138,"noise_level":-20.333422,"freq_skew":3.577254,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981202,"usec":536697},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.864314,"noise_level":-21.104652,"freq_skew":3.540184,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":121,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[219,218,216,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981203,"usec":316858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830077,"noise_level":-20.718788,"freq_skew":4.314498,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981204,"usec":818449},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728508,"noise_level":-20.879173,"freq_skew":3.550591,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSLTV","mode":"2","label":"10","blk_id":"8","ack":"!","flight":"GS0000","msg_num":"M53","msg_num_seq":"A","msg_text":"/N51.574/E007.122/10/0.72/327/335/EHAM/1939/0037/00016/ARTIP/SPL /1920/AM101/1914/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981204,"usec":821265},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364162,"noise_level":-20.859970,"freq_skew":4.418960,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981206,"usec":341694},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104319,"noise_level":-20.420544,"freq_skew":4.548438,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981207,"usec":152446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983788,"noise_level":-20.142420,"freq_skew":3.856997,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981209,"usec":416499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609723,"noise_level":-19.594946,"freq_skew":3.505606,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981210,"usec":174339},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.217126,"noise_level":-19.939615,"freq_skew":5.959990,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22732347","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,180,231,0,75,180,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981210,"usec":931913},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853604,"noise_level":-19.939615,"freq_skew":6.801784,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKO","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR9437","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981210,"usec":948174},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080688,"noise_level":-19.802687,"freq_skew":5.639468,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-MGG","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"4M0301","msg_num":"S65","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981212,"usec":478200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907849,"noise_level":-20.774406,"freq_skew":6.675509,"avlc":{"src":{"addr":"4CA80F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981214,"usec":13608},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204370,"noise_level":-20.494099,"freq_skew":0.801306,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SRE","mode":"2","label":"_d","blk_id":"3","ack":"D","flight":"XQ09CQ","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981214,"usec":20349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075683,"noise_level":-20.457397,"freq_skew":5.872543,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981214,"usec":40159},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058010,"noise_level":-20.840866,"freq_skew":5.942008,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":13.300000},"alt":255000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981217,"usec":75340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.014937,"noise_level":-20.843033,"freq_skew":3.299256,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981217,"usec":832474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.205647,"noise_level":-20.790001,"freq_skew":5.666276,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981219,"usec":355926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116861,"noise_level":-21.770269,"freq_skew":1.970180,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981220,"usec":117179},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.112841,"noise_level":-22.515247,"freq_skew":4.663964,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":6.800000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981220,"usec":923587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.097549,"noise_level":-22.972691,"freq_skew":1.964470,"avlc":{"src":{"addr":"4D2418","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981222,"usec":415678},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451908,"noise_level":-23.135906,"freq_skew":2.996608,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981224,"usec":694772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974425,"noise_level":-22.670444,"freq_skew":5.734452,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981227,"usec":510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273338,"noise_level":-22.512131,"freq_skew":3.550197,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981228,"usec":547152},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.756389,"noise_level":-22.961676,"freq_skew":4.626011,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIED","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"LH0947","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981232,"usec":353019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122489,"noise_level":-21.834776,"freq_skew":3.625115,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981235,"usec":438283},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.867140,"noise_level":-22.037312,"freq_skew":4.398127,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981239,"usec":993888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532141,"noise_level":-21.260681,"freq_skew":2.450419,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981245,"usec":337763},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388069,"noise_level":-24.020714,"freq_skew":2.580270,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981247,"usec":663547},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032319,"noise_level":-25.634129,"freq_skew":3.662145,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32795,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[162,114,132,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":14,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981248,"usec":433654},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953217,"noise_level":-25.512459,"freq_skew":3.573454,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981249,"usec":178888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111914,"noise_level":-25.382359,"freq_skew":3.781673,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981251,"usec":461116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.088420,"noise_level":-25.193966,"freq_skew":4.009885,"avlc":{"src":{"addr":"4D2101","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981252,"usec":225027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886286,"noise_level":-24.732590,"freq_skew":3.939809,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981253,"usec":734593},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.235703,"noise_level":-24.569883,"freq_skew":5.424826,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32708,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[153,54]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981257,"usec":577942},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602408,"noise_level":-22.711069,"freq_skew":3.982785,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGN","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"W60846","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981260,"usec":613691},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633093,"noise_level":-23.937128,"freq_skew":3.885759,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981260,"usec":613939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675088,"noise_level":-23.937128,"freq_skew":3.021767,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981262,"usec":169923},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.234611,"noise_level":-23.291998,"freq_skew":2.618375,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981266,"usec":735850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267127,"noise_level":-21.960228,"freq_skew":3.788132,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981267,"usec":492791},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498786,"noise_level":-21.723997,"freq_skew":3.823554,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LGN","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"W60846","msg_num":"F97","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AC,3018259"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981269,"usec":53155},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584433,"noise_level":-21.894178,"freq_skew":3.846954,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981272,"usec":82375},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596007,"noise_level":-21.343384,"freq_skew":3.394193,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":127,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[219,65,111,13]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981272,"usec":107469},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.346793,"noise_level":-21.123144,"freq_skew":5.149191,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981273,"usec":618699},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260858,"noise_level":-21.002333,"freq_skew":1.614419,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981275,"usec":166863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737729,"noise_level":-22.815084,"freq_skew":3.637247,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981275,"usec":932081},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675300,"noise_level":-22.508282,"freq_skew":2.400230,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981278,"usec":986724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077721,"noise_level":-21.247824,"freq_skew":2.492800,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981282,"usec":50994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100204,"noise_level":-21.721249,"freq_skew":5.232250,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981282,"usec":814975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.805991,"noise_level":-22.656834,"freq_skew":2.310202,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981282,"usec":819667},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.711162,"noise_level":-23.832624,"freq_skew":2.855233,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981284,"usec":334348},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966984,"noise_level":-23.245274,"freq_skew":3.540090,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32795,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[134,218,211,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981285,"usec":101724},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877707,"noise_level":-22.862583,"freq_skew":3.460219,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981285,"usec":845586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732436,"noise_level":-22.718859,"freq_skew":3.597305,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981285,"usec":845746},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150593,"noise_level":-22.706987,"freq_skew":3.561476,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":4,"chan_num":7,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":127.000000,"flags":224,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":6070,"dst_ref":32795,"variable_part_params":[{"name":"atn_checksum","value":[242,190,168,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981286,"usec":606366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214514,"noise_level":-22.415380,"freq_skew":3.426267,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981288,"usec":915503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556116,"noise_level":-21.636909,"freq_skew":4.298368,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981290,"usec":450720},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.109646,"noise_level":-22.381239,"freq_skew":3.963107,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":824,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12593,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[137,73,121,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981295,"usec":802127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231983,"noise_level":-21.913071,"freq_skew":3.906674,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981303,"usec":434561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065762,"noise_level":-21.044262,"freq_skew":3.554489,"avlc":{"src":{"addr":"493296","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981308,"usec":809281},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863915,"noise_level":-20.037737,"freq_skew":4.395281,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981311,"usec":67423},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653132,"noise_level":-19.885555,"freq_skew":0.531246,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32894,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[253,100,138,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981317,"usec":950070},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385071,"noise_level":-18.115700,"freq_skew":0.489563,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981320,"usec":243509},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.438255,"noise_level":-18.254887,"freq_skew":5.395381,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981321,"usec":787701},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652875,"noise_level":-18.808414,"freq_skew":2.582834,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[24,2,141,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981322,"usec":558911},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061326,"noise_level":-20.058496,"freq_skew":0.704644,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981324,"usec":93910},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433111,"noise_level":-20.609013,"freq_skew":2.803936,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":640,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[24,2,141,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981324,"usec":852179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912561,"noise_level":-21.171349,"freq_skew":0.670692,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981326,"usec":369495},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.161959,"noise_level":-21.360779,"freq_skew":0.517360,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9164,"dst_ref":32894,"variable_part_params":[{"name":"atn_checksum","value":[122,216,219,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981327,"usec":106187},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766162,"noise_level":-21.631329,"freq_skew":0.770113,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981327,"usec":108277},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782930,"noise_level":-22.311512,"freq_skew":0.522423,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":343,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12538,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[67,182,117,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981327,"usec":878209},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393344,"noise_level":-23.000496,"freq_skew":3.824695,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981328,"usec":678836},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843266,"noise_level":-22.581322,"freq_skew":3.814168,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981331,"usec":717113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527323,"noise_level":-22.282259,"freq_skew":0.604632,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981331,"usec":718488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.478501,"noise_level":-22.385103,"freq_skew":4.466692,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981331,"usec":723712},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427938,"noise_level":-22.482433,"freq_skew":3.773991,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":833,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981332,"usec":482416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.630932,"noise_level":-23.042828,"freq_skew":4.907212,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981333,"usec":231788},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.137915,"noise_level":-22.763767,"freq_skew":5.261158,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981333,"usec":998242},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337442,"noise_level":-22.629969,"freq_skew":4.774767,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.900002,"lon":11.100000},"alt":22000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981337,"usec":77283},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.424818,"noise_level":-23.134056,"freq_skew":1.954323,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981338,"usec":591048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613574,"noise_level":-23.190975,"freq_skew":1.910348,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABJ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"BT1277","msg_num":"S72","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981338,"usec":609494},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541301,"noise_level":-23.221952,"freq_skew":4.324622,"avlc":{"src":{"addr":"300393","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":410,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981339,"usec":346215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655766,"noise_level":-23.159245,"freq_skew":3.630952,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981339,"usec":369322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534996,"noise_level":-22.961569,"freq_skew":4.569246,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981341,"usec":686172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091101,"noise_level":-23.296797,"freq_skew":4.749350,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981342,"usec":421870},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.696079,"noise_level":-23.246162,"freq_skew":4.267652,"avlc":{"src":{"addr":"3C5EEB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981342,"usec":430025},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745517,"noise_level":-24.209013,"freq_skew":5.015515,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981343,"usec":187762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953192,"noise_level":-24.158665,"freq_skew":2.118911,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981344,"usec":705712},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462639,"noise_level":-23.806353,"freq_skew":4.520878,"avlc":{"src":{"addr":"3C496D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8467,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981345,"usec":468363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501001,"noise_level":-23.437340,"freq_skew":4.216905,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981346,"usec":987634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568986,"noise_level":-23.474205,"freq_skew":0.438016,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981346,"usec":995868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.036264,"noise_level":-23.886017,"freq_skew":4.551282,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981347,"usec":7587},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633225,"noise_level":-23.777998,"freq_skew":3.961658,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":8.400001},"alt":8000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981348,"usec":505555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.305029,"noise_level":-24.863356,"freq_skew":3.794770,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981348,"usec":516204},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722270,"noise_level":-24.712620,"freq_skew":4.770711,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILC","mode":"2","label":"_d","blk_id":"2","ack":"S","flight":"LH03WJ","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981350,"usec":849048},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030771,"noise_level":-24.430386,"freq_skew":4.832433,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILC","mode":"2","label":"_d","blk_id":"3","ack":"T","flight":"LH03WJ","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981356,"usec":201325},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998219,"noise_level":-24.464399,"freq_skew":1.904587,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981356,"usec":965668},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.186852,"noise_level":-24.663807,"freq_skew":4.779959,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981366,"usec":102518},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608500,"noise_level":-24.451683,"freq_skew":6.724855,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981368,"usec":386602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950788,"noise_level":-26.185781,"freq_skew":6.548521,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981369,"usec":177902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834660,"noise_level":-25.924177,"freq_skew":5.630240,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981369,"usec":961734},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210439,"noise_level":-25.167793,"freq_skew":5.971063,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981370,"usec":713467},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638477,"noise_level":-24.873631,"freq_skew":2.646159,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":642,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12541,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,158,18,221]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":16,"sec":9}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981372,"usec":236700},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.654781,"noise_level":-24.200165,"freq_skew":2.670853,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":643,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[19,223,127,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981372,"usec":241313},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876166,"noise_level":-25.022974,"freq_skew":5.348448,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10946A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12563,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[150,86]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981372,"usec":990767},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.823061,"noise_level":-24.659016,"freq_skew":4.478560,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":440,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981373,"usec":733888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641972,"noise_level":-24.526369,"freq_skew":0.465855,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981374,"usec":515105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491408,"noise_level":-23.891924,"freq_skew":3.826074,"avlc":{"src":{"addr":"3C654E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981374,"usec":518206},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.159882,"noise_level":-24.419907,"freq_skew":2.625645,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":305,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12525,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[84,180]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981377,"usec":583677},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.500342,"noise_level":-24.089169,"freq_skew":0.366571,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981380,"usec":611909},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150287,"noise_level":-23.950312,"freq_skew":5.735190,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8834,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12545,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[87,39]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":16,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981382,"usec":181606},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.714395,"noise_level":-23.253559,"freq_skew":1.761278,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981382,"usec":183580},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033263,"noise_level":-24.176567,"freq_skew":5.550485,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981382,"usec":188457},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790912,"noise_level":-24.120550,"freq_skew":1.801282,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":572,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12381,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[18,72,134,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981384,"usec":472161},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144912,"noise_level":-24.176506,"freq_skew":1.919063,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981385,"usec":983545},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681250,"noise_level":-24.750292,"freq_skew":5.619461,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32957,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[191,42]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981386,"usec":726750},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.930926,"noise_level":-24.498823,"freq_skew":5.932707,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981386,"usec":737723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.923800,"noise_level":-24.197912,"freq_skew":1.837023,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981387,"usec":501504},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924390,"noise_level":-24.002945,"freq_skew":5.827152,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8836,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12545,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[120,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981388,"usec":273563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722768,"noise_level":-23.583179,"freq_skew":3.834041,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981392,"usec":853349},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530146,"noise_level":-22.625984,"freq_skew":4.496249,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981392,"usec":868408},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643385,"noise_level":-22.451468,"freq_skew":6.351351,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981393,"usec":625624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883249,"noise_level":-22.145908,"freq_skew":5.510117,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981394,"usec":391945},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.571619,"noise_level":-22.011719,"freq_skew":1.636292,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981395,"usec":134600},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565808,"noise_level":-21.913723,"freq_skew":1.918999,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":22801,"dst_ref":12381,"variable_part_params":[{"name":"atn_checksum","value":[177,182,212,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981395,"usec":911916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509717,"noise_level":-22.844179,"freq_skew":5.655759,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981396,"usec":716212},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067008,"noise_level":-22.478405,"freq_skew":5.536979,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1886,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32959,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[249,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981404,"usec":336967},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730843,"noise_level":-20.752068,"freq_skew":2.965583,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981415,"usec":19739},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855281,"noise_level":-20.057953,"freq_skew":2.975596,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWV","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH09NC","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981415,"usec":19739},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.855281,"noise_level":-20.057953,"freq_skew":2.975596,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17053366","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,246,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981415,"usec":806848},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861614,"noise_level":-20.044413,"freq_skew":2.417193,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981416,"usec":571558},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.574256,"noise_level":-20.648012,"freq_skew":2.989967,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981416,"usec":577839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806003,"noise_level":-20.592041,"freq_skew":3.000632,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981421,"usec":139866},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960015,"noise_level":-20.934387,"freq_skew":3.813602,"avlc":{"src":{"addr":"471DB5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981428,"usec":780632},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822508,"noise_level":-20.386515,"freq_skew":4.570000,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981429,"usec":550749},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633268,"noise_level":-20.710812,"freq_skew":2.571437,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":645,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12541,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[108,37,194,67]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":17,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981431,"usec":90480},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556251,"noise_level":-21.445480,"freq_skew":2.492292,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981433,"usec":381118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689309,"noise_level":-21.108139,"freq_skew":2.564516,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981442,"usec":527600},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628901,"noise_level":-20.512371,"freq_skew":1.621344,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981444,"usec":100561},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740805,"noise_level":-20.287975,"freq_skew":4.778748,"avlc":{"src":{"addr":"3C6583","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILC","mode":"2","label":"_d","blk_id":"9","ack":"A","flight":"LH03WJ","msg_num":"S18","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981446,"usec":364621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.756679,"noise_level":-21.951012,"freq_skew":4.227703,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981449,"usec":401255},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974475,"noise_level":-22.065945,"freq_skew":3.679991,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981454,"usec":764822},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.900089,"noise_level":-22.366255,"freq_skew":3.500225,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-ROF","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"SK064C","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981463,"usec":976249},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.415544,"noise_level":-21.424290,"freq_skew":5.145552,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981466,"usec":261949},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.872416,"noise_level":-21.604042,"freq_skew":5.542605,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981473,"usec":115542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575502,"noise_level":-20.149689,"freq_skew":3.783268,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981473,"usec":880390},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695621,"noise_level":-19.940147,"freq_skew":1.799058,"avlc":{"src":{"addr":"4891AD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981476,"usec":973040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.634070,"noise_level":-21.549229,"freq_skew":3.471908,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981479,"usec":999518},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.558692,"noise_level":-20.843704,"freq_skew":5.020287,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8570,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":4,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981480,"usec":1495},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.503759,"noise_level":-20.824581,"freq_skew":2.459673,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":415,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32834,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[202,209,70,230]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32834,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[107,188,8,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":17,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981484,"usec":593649},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.171702,"noise_level":-19.490311,"freq_skew":2.393068,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":416,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32834,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[144,45,93,26]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":18,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981485,"usec":365879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339641,"noise_level":-19.168699,"freq_skew":2.599860,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981486,"usec":879074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144048,"noise_level":-18.828159,"freq_skew":5.849319,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981487,"usec":648547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.828413,"noise_level":-19.573748,"freq_skew":3.023568,"avlc":{"src":{"addr":"3C4D4A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981489,"usec":147652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247369,"noise_level":-19.233170,"freq_skew":4.172507,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981496,"usec":799316},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716585,"noise_level":-18.813328,"freq_skew":5.515269,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1888,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32959,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[172,55]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981496,"usec":806526},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375954,"noise_level":-18.783073,"freq_skew":3.700348,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981499,"usec":874556},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459743,"noise_level":-19.133934,"freq_skew":3.633186,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRX","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH05RM","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981500,"usec":635972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848187,"noise_level":-19.845638,"freq_skew":0.201830,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981500,"usec":652246},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785056,"noise_level":-19.752277,"freq_skew":0.301939,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":347,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12538,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[237,80,217,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981501,"usec":413503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831491,"noise_level":-20.523800,"freq_skew":3.326592,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981502,"usec":148759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694431,"noise_level":-21.591602,"freq_skew":3.678507,"avlc":{"src":{"addr":"3C6658","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981502,"usec":156481},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825159,"noise_level":-21.518877,"freq_skew":0.193903,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981504,"usec":465753},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.484430,"noise_level":-21.846001,"freq_skew":0.115573,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAT"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981504,"usec":468171},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810234,"noise_level":-22.546440,"freq_skew":0.146723,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22747105","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,206,69,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981506,"usec":2974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647746,"noise_level":-23.622885,"freq_skew":0.356584,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981510,"usec":583189},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980764,"noise_level":-21.895340,"freq_skew":5.491073,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-HZO","mode":"2","label":"_d","blk_id":"8","ack":"A","flight":"HV6432","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981516,"usec":668840},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526726,"noise_level":-21.450594,"freq_skew":0.263424,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981519,"usec":766080},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570779,"noise_level":-20.566065,"freq_skew":0.314815,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981522,"usec":50774},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778361,"noise_level":-21.797298,"freq_skew":5.466814,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMK","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"XQ07GA","msg_num":"D97","msg_num_seq":"P","sublabel":"DF","msg_text":"14 021 011619"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981524,"usec":343679},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579194,"noise_level":-22.320431,"freq_skew":1.276280,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981524,"usec":345645},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828404,"noise_level":-22.309092,"freq_skew":5.669896,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981526,"usec":660526},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804885,"noise_level":-22.164305,"freq_skew":2.816089,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981528,"usec":911342},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830188,"noise_level":-23.036789,"freq_skew":5.864378,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1889,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32959,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[241,154]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981530,"usec":444838},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195431,"noise_level":-22.804270,"freq_skew":5.677868,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981530,"usec":445642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.074095,"noise_level":-22.792282,"freq_skew":3.540308,"avlc":{"src":{"addr":"801921","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2848F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981531,"usec":187368},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.434945,"noise_level":-23.849915,"freq_skew":1.438059,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12623,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[110,14,123,44]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":18,"sec":42}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981532,"usec":765240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888978,"noise_level":-24.562437,"freq_skew":2.199393,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981541,"usec":911248},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.433798,"noise_level":-21.500248,"freq_skew":2.535698,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":648,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981548,"usec":36898},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940499,"noise_level":-20.787943,"freq_skew":1.049534,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981548,"usec":789705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253761,"noise_level":-20.581184,"freq_skew":3.997952,"avlc":{"src":{"addr":"44CC48","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981554,"usec":155209},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807628,"noise_level":-19.028978,"freq_skew":2.542231,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12541,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[19,70,22,129]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12541,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[220,187,57,153]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":19,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981558,"usec":766656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.398492,"noise_level":-21.667671,"freq_skew":1.766229,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981558,"usec":768373},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.463358,"noise_level":-21.657152,"freq_skew":5.820347,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1892,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32959,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[230,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981559,"usec":497497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542306,"noise_level":-22.100529,"freq_skew":1.347414,"avlc":{"src":{"addr":"4521C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981561,"usec":19145},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062061,"noise_level":-22.126671,"freq_skew":2.448429,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12541,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[105,67,66,130]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":19,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981561,"usec":804994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.542555,"noise_level":-21.811272,"freq_skew":2.603456,"avlc":{"src":{"addr":"3C66A8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981563,"usec":302053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528508,"noise_level":-22.016165,"freq_skew":2.411132,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981563,"usec":310362},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.243795,"noise_level":-21.928961,"freq_skew":5.334795,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22042406","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,82,65,0,72,69,6,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981564,"usec":51788},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.884343,"noise_level":-21.831892,"freq_skew":4.254179,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":507,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981564,"usec":71126},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017920,"noise_level":-22.822224,"freq_skew":5.589807,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1894,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32959,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[194,138]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":19,"sec":22}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981564,"usec":76639},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.967881,"noise_level":-22.762325,"freq_skew":5.343976,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981564,"usec":863802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887089,"noise_level":-22.631989,"freq_skew":2.498400,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981565,"usec":635681},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596408,"noise_level":-22.958389,"freq_skew":5.729423,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1895,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32959,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[226,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981569,"usec":413056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.037260,"noise_level":-22.260742,"freq_skew":4.373466,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981576,"usec":302206},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.739400,"noise_level":-20.323629,"freq_skew":0.313621,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981577,"usec":52762},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.218120,"noise_level":-20.639097,"freq_skew":5.302544,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981583,"usec":939745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.062743,"noise_level":-20.973747,"freq_skew":5.171220,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981590,"usec":42914},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621068,"noise_level":-21.835598,"freq_skew":3.377604,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981591,"usec":578916},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168995,"noise_level":-21.194582,"freq_skew":4.796862,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981598,"usec":494490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.566655,"noise_level":-21.390919,"freq_skew":5.035707,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981600,"usec":793198},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956676,"noise_level":-22.460972,"freq_skew":2.457507,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":250,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981601,"usec":539751},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640510,"noise_level":-22.255856,"freq_skew":5.695259,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981603,"usec":43492},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677436,"noise_level":-21.859600,"freq_skew":5.258984,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EPKK"},{"name":"ac_location","value":{"loc":{"lat":52.600002,"lon":10.600000},"alt":37000}},{"name":"alternate_ground_stations","value":["109F2A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981606,"usec":125716},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854631,"noise_level":-21.797731,"freq_skew":5.663705,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981606,"usec":129200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638020,"noise_level":-21.776390,"freq_skew":5.328128,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981606,"usec":888901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.002878,"noise_level":-21.534670,"freq_skew":6.069942,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981606,"usec":891005},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794133,"noise_level":-21.513966,"freq_skew":1.741075,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-LLG","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"TK06EZ","msg_num":"S26","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981608,"usec":418778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697168,"noise_level":-22.978188,"freq_skew":4.614325,"avlc":{"src":{"addr":"3C48EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981612,"usec":260780},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938765,"noise_level":-22.493053,"freq_skew":1.626246,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":310,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12525,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[223,55]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":20,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981612,"usec":265575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038897,"noise_level":-23.368349,"freq_skew":2.537594,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981613,"usec":9023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782102,"noise_level":-23.253899,"freq_skew":4.006273,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981613,"usec":30411},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851686,"noise_level":-23.767891,"freq_skew":3.741949,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".SX-NET","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"A30809","msg_num":"D42","msg_num_seq":"I","sublabel":"DF","msg_text":"0,00000,00000/E000000,00000,00000,00000,00000,00000/1E00000,07721,0000,000/2E00000,07694,0000,000/F10163,01169,---/F2123,0734,141,0474,01939,000,06161/F3123,0722,141,0478,01945,000,06168/F4010,0234,0076,000"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981614,"usec":545530},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691086,"noise_level":-23.240377,"freq_skew":5.298492,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5490,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32708,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[238,101]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":20,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981616,"usec":46039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.297235,"noise_level":-23.184538,"freq_skew":5.233906,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981616,"usec":828742},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460984,"noise_level":-22.780499,"freq_skew":1.802739,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981622,"usec":162285},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752590,"noise_level":-21.372709,"freq_skew":5.078806,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5491,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32708,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[9,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":20,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981623,"usec":704583},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876761,"noise_level":-20.728464,"freq_skew":5.196892,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5492,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32708,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[176,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981625,"usec":198655},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631085,"noise_level":-21.150177,"freq_skew":1.532823,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":312,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12525,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[217,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981626,"usec":30378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.350134,"noise_level":-21.077604,"freq_skew":1.080734,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981626,"usec":770814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681981,"noise_level":-21.670486,"freq_skew":5.194752,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981628,"usec":294546},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.354070,"noise_level":-21.994720,"freq_skew":5.473200,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":9.200000},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981630,"usec":549972},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874461,"noise_level":-22.037067,"freq_skew":3.954267,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":9.800000},"alt":13000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981631,"usec":333198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228995,"noise_level":-21.671486,"freq_skew":4.380069,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981632,"usec":76110},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038404,"noise_level":-22.035019,"freq_skew":1.785807,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981632,"usec":907426},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.134007,"noise_level":-22.539120,"freq_skew":5.631302,"avlc":{"src":{"addr":"4BCDAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981635,"usec":930118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.526099,"noise_level":-22.459396,"freq_skew":3.634207,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981636,"usec":681218},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360919,"noise_level":-22.198198,"freq_skew":3.850301,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981636,"usec":699032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.348224,"noise_level":-22.021017,"freq_skew":4.882108,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981637,"usec":455345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693887,"noise_level":-21.836643,"freq_skew":0.148438,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981638,"usec":201410},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512847,"noise_level":-21.899698,"freq_skew":3.499789,"avlc":{"src":{"addr":"300393","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":411,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981638,"usec":954016},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832300,"noise_level":-22.661694,"freq_skew":3.878856,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.400002,"lon":9.800000},"alt":13000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981642,"usec":38774},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.766463,"noise_level":-24.362047,"freq_skew":3.192703,"avlc":{"src":{"addr":"440331","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981642,"usec":45451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509026,"noise_level":-24.290579,"freq_skew":3.980043,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981642,"usec":798186},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498329,"noise_level":-24.528282,"freq_skew":5.221485,"avlc":{"src":{"addr":"3C7427","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981645,"usec":76587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101415,"noise_level":-23.707165,"freq_skew":4.161054,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981645,"usec":87122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.437331,"noise_level":-23.561974,"freq_skew":3.534623,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981645,"usec":884754},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.207332,"noise_level":-23.316769,"freq_skew":4.824789,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981645,"usec":890326},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830186,"noise_level":-23.266018,"freq_skew":5.407605,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":876,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981650,"usec":436090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.708331,"noise_level":-22.455713,"freq_skew":4.821738,"avlc":{"src":{"addr":"48C223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981650,"usec":448466},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642745,"noise_level":-22.318514,"freq_skew":1.598037,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":313,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12525,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[213,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981650,"usec":454178},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458660,"noise_level":-23.289984,"freq_skew":5.603141,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981651,"usec":972179},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904696,"noise_level":-23.709938,"freq_skew":5.556424,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10900A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981651,"usec":977177},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640658,"noise_level":-23.643620,"freq_skew":5.905826,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981652,"usec":778897},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.465743,"noise_level":-23.268654,"freq_skew":4.125040,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981653,"usec":520834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585309,"noise_level":-23.193054,"freq_skew":5.581761,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10942A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981653,"usec":528220},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787409,"noise_level":-23.118111,"freq_skew":5.541086,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAP","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR19HF","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981654,"usec":270391},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.669940,"noise_level":-22.933523,"freq_skew":5.399833,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981654,"usec":273083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006607,"noise_level":-22.860775,"freq_skew":4.144114,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":510,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55466,"credit":4,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[104,254,101,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981655,"usec":50016},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517885,"noise_level":-22.413658,"freq_skew":5.665348,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EBV","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"FR926T","msg_num":"M11","msg_num_seq":"A","msg_text":"192053,,1935, 97,N . MMMM.MMM"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981655,"usec":53279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289192,"noise_level":-22.390755,"freq_skew":5.107113,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981657,"usec":313512},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.670917,"noise_level":-22.660004,"freq_skew":4.082114,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981657,"usec":315221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.753451,"noise_level":-22.759676,"freq_skew":5.271658,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981657,"usec":319101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.789174,"noise_level":-22.700205,"freq_skew":3.526796,"avlc":{"src":{"addr":"300393","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981657,"usec":321618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.568071,"noise_level":-23.718620,"freq_skew":4.396335,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981657,"usec":327156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184230,"noise_level":-23.612648,"freq_skew":4.370919,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981658,"usec":92793},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.172729,"noise_level":-23.327721,"freq_skew":4.486742,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":513,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":20,"dst_ref":55466,"variable_part_params":[{"name":"atn_checksum","value":[168,115,111,125]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981658,"usec":879422},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.503569,"noise_level":-23.213802,"freq_skew":5.207349,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-HZO","mode":"2","label":"_d","blk_id":"4","ack":"C","flight":"HV6432","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981658,"usec":882682},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058391,"noise_level":-23.188686,"freq_skew":4.461571,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4218,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":518,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[126,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981658,"usec":897431},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780516,"noise_level":-23.014893,"freq_skew":1.844861,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12525,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[233,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":20,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981658,"usec":899564},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314690,"noise_level":-23.105497,"freq_skew":4.212227,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12582,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[145,228,150,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981659,"usec":633708},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.758385,"noise_level":-23.043623,"freq_skew":5.391527,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981661,"usec":162145},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139321,"noise_level":-22.344954,"freq_skew":4.679633,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3479,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32802,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[238,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981661,"usec":165589},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679575,"noise_level":-22.310886,"freq_skew":5.284201,"avlc":{"src":{"addr":"4CAE90","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5498,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12563,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[49,88]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981661,"usec":911305},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.269266,"noise_level":-22.284595,"freq_skew":5.168954,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-HZO","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"HV6432","msg_num":"S53","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981661,"usec":929030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.376219,"noise_level":-22.094601,"freq_skew":5.291234,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981663,"usec":444746},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747467,"noise_level":-22.748123,"freq_skew":1.889529,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12525,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[233,61]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":20,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981669,"usec":560152},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.594125,"noise_level":-21.277943,"freq_skew":6.443913,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4423,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981671,"usec":834729},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.589605,"noise_level":-22.364149,"freq_skew":3.948534,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":136,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":8,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981671,"usec":840765},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713494,"noise_level":-22.295998,"freq_skew":5.786483,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":6.200000},"alt":31000}},{"name":"alternate_ground_stations","value":["10931A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981674,"usec":149086},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449433,"noise_level":-21.610945,"freq_skew":4.551207,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12582,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[145,228,150,130]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981674,"usec":178443},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609095,"noise_level":-21.363556,"freq_skew":2.722161,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"LHBP"},{"name":"ac_location","value":{"loc":{"lat":48.799999,"lon":14.600000},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981674,"usec":925954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692463,"noise_level":-22.838251,"freq_skew":6.157306,"avlc":{"src":{"addr":"4BCDA5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981676,"usec":458915},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745807,"noise_level":-23.429544,"freq_skew":2.959678,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.300000},"alt":23000}},{"name":"alternate_ground_stations","value":["10943A","1098FA","10910A","10981A","10902A","1092FA","10911A","109CBA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981679,"usec":474310},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490101,"noise_level":-23.992401,"freq_skew":2.691060,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":249,"calling_addr":"21220460","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,67,71,70,0,69,33,48,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981680,"usec":285672},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.594195,"noise_level":-23.523865,"freq_skew":1.159577,"avlc":{"src":{"addr":"4D23A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981681,"usec":47138},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496427,"noise_level":-24.347811,"freq_skew":2.441115,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPA","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LX08KY","msg_num":"204","msg_num_seq":"A","sublabel":"T2","msg_text":"SRC7 /G"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981681,"usec":804282},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811668,"noise_level":-24.871714,"freq_skew":3.709743,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981682,"usec":568230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959845,"noise_level":-25.620979,"freq_skew":2.543401,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981688,"usec":676252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.272447,"noise_level":-23.849274,"freq_skew":4.326785,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981690,"usec":979830},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839540,"noise_level":-23.523464,"freq_skew":2.521565,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPA","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"LX08KY","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981696,"usec":324641},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503716,"noise_level":-22.166218,"freq_skew":5.630539,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32961,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[231,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981698,"usec":596152},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.663322,"noise_level":-21.476826,"freq_skew":5.609228,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981700,"usec":160628},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887074,"noise_level":-20.908937,"freq_skew":2.322527,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPA","mode":"2","label":"_d","blk_id":"1","ack":"K","flight":"LX08KY","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981707,"usec":43981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.904710,"noise_level":-20.673409,"freq_skew":5.637834,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981709,"usec":320576},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764388,"noise_level":-20.762232,"freq_skew":-0.117994,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981710,"usec":92348},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605340,"noise_level":-20.336626,"freq_skew":5.863715,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3573,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[94,113]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981711,"usec":597275},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577693,"noise_level":-20.026215,"freq_skew":5.622524,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJH","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR87RV","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981713,"usec":166752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096017,"noise_level":-19.535053,"freq_skew":3.376511,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981713,"usec":920400},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655096,"noise_level":-20.788177,"freq_skew":5.793362,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981716,"usec":219433},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709802,"noise_level":-20.217894,"freq_skew":3.083526,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":4}},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":9.300000},"alt":23000}},{"name":"alternate_ground_stations","value":["10943A","1098FA","10910A","10981A","10902A","1092FA","10911A","109CBA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981716,"usec":951917},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019738,"noise_level":-20.155769,"freq_skew":5.782001,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981718,"usec":492416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087106,"noise_level":-19.825150,"freq_skew":5.525360,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981719,"usec":241521},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493267,"noise_level":-21.011608,"freq_skew":5.451866,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32961,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[220,171]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981720,"usec":49759},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109959,"noise_level":-20.959526,"freq_skew":1.801340,"avlc":{"src":{"addr":"4BB187","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981723,"usec":826802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541339,"noise_level":-21.492668,"freq_skew":5.813625,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981723,"usec":828527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783573,"noise_level":-21.633469,"freq_skew":-0.115599,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981727,"usec":673214},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962633,"noise_level":-21.134586,"freq_skew":5.682014,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981728,"usec":429640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.053864,"noise_level":-21.678902,"freq_skew":4.353856,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981730,"usec":714828},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638923,"noise_level":-22.792736,"freq_skew":2.407711,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981732,"usec":227601},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491487,"noise_level":-22.247169,"freq_skew":3.134354,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981732,"usec":241990},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836482,"noise_level":-22.124287,"freq_skew":2.647019,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPA","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LX08KY","msg_num":"F42","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981732,"usec":998582},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481612,"noise_level":-22.716404,"freq_skew":5.676320,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23127130","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,88,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981733,"usec":782510},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558796,"noise_level":-22.575056,"freq_skew":5.605296,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJH","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR87RV","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981733,"usec":791750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505127,"noise_level":-23.023893,"freq_skew":2.618960,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981735,"usec":315030},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.821769,"noise_level":-23.804508,"freq_skew":3.516469,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981739,"usec":876476},"freq":136975000,"burst_len_octets":64,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556388,"noise_level":-21.869831,"freq_skew":4.108552,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANCY","mode":"2","label":"1L","blk_id":"3","ack":"!","flight":"DE05TX","msg_num":"M50","msg_num_seq":"A","msg_text":"34DE1647,D,EDDS,1928"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981740,"usec":683560},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689109,"noise_level":-22.126387,"freq_skew":3.952877,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981751,"usec":351454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843456,"noise_level":-19.455141,"freq_skew":3.549452,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981752,"usec":92833},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.434175,"noise_level":-19.341675,"freq_skew":4.427119,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22141051","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,194,41,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981752,"usec":855930},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.633438,"noise_level":-19.033188,"freq_skew":4.449872,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981753,"usec":661865},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.874444,"noise_level":-20.047699,"freq_skew":3.730247,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LIRN"},{"name":"ac_location","value":{"loc":{"lat":46.900002,"lon":9.600000},"alt":35000}},{"name":"alternate_ground_stations","value":["109ACA","10F69B","109CBA","1098FA","10F68A","10F66A","10935A","10F63A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981754,"usec":428985},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.636405,"noise_level":-20.558661,"freq_skew":3.785978,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981754,"usec":434484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.055644,"noise_level":-20.512466,"freq_skew":3.838302,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981755,"usec":186784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.957558,"noise_level":-20.411701,"freq_skew":4.773154,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981755,"usec":953709},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.363677,"noise_level":-20.910170,"freq_skew":3.741769,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":330,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7984,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,24,176,111]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":22,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981756,"usec":705345},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813057,"noise_level":-20.757196,"freq_skew":3.804265,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981757,"usec":462703},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.581580,"noise_level":-22.106319,"freq_skew":3.788665,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981768,"usec":176189},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.638952,"noise_level":-20.497066,"freq_skew":3.652846,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":333,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":16712,"dst_ref":7984,"variable_part_params":[{"name":"atn_checksum","value":[243,155,51,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981768,"usec":178508},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877811,"noise_level":-20.478691,"freq_skew":3.540841,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKCH"},{"name":"ac_location","value":{"loc":{"lat":47.299999,"lon":11.300000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981768,"usec":182814},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.366768,"noise_level":-20.432920,"freq_skew":3.891920,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55477,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[198,18,253,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981769,"usec":706298},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.857270,"noise_level":-19.944754,"freq_skew":3.718944,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981769,"usec":707280},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866110,"noise_level":-19.936127,"freq_skew":3.547646,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981771,"usec":979669},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.955641,"noise_level":-20.508995,"freq_skew":3.761871,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"_d","blk_id":"4","ack":"S","flight":"LH0338","msg_num":"S58","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981772,"usec":727644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.618735,"noise_level":-20.362865,"freq_skew":3.926152,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981775,"usec":838591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.140400,"noise_level":-20.888210,"freq_skew":3.763227,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981777,"usec":336577},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960421,"noise_level":-20.530087,"freq_skew":3.899668,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUQ","mode":"2","label":"_d","blk_id":"6","ack":"H","flight":"LH0517","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981777,"usec":343166},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903354,"noise_level":-20.484045,"freq_skew":3.794393,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":797,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981778,"usec":869573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364349,"noise_level":-21.206606,"freq_skew":2.351727,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981781,"usec":190843},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371172,"noise_level":-20.858610,"freq_skew":5.402823,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981787,"usec":244746},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.402139,"noise_level":-19.987074,"freq_skew":5.549450,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981788,"usec":838074},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.186313,"noise_level":-20.815857,"freq_skew":4.657882,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981790,"usec":353454},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.399651,"noise_level":-20.369532,"freq_skew":5.258767,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981794,"usec":182171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.318760,"noise_level":-20.742493,"freq_skew":4.141769,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981799,"usec":504448},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443866,"noise_level":-22.025085,"freq_skew":3.604163,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRA","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH0338","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981804,"usec":115136},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.802261,"noise_level":-20.780781,"freq_skew":3.438772,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981804,"usec":852528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.292545,"noise_level":-20.667486,"freq_skew":5.113273,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981807,"usec":934536},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.692121,"noise_level":-20.354210,"freq_skew":3.878423,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJO","mode":"2","label":"_d","blk_id":"4","ack":"I","flight":"LX01LK","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981817,"usec":859274},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970593,"noise_level":-19.912819,"freq_skew":3.798117,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981819,"usec":367502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.392044,"noise_level":-20.465317,"freq_skew":1.304687,"avlc":{"src":{"addr":"4D23A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981820,"usec":121059},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518977,"noise_level":-20.457699,"freq_skew":0.040786,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12538,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[122,226,8,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981820,"usec":127853},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529613,"noise_level":-21.063156,"freq_skew":5.127991,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981829,"usec":340781},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.035462,"noise_level":-20.541971,"freq_skew":5.615396,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJH","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FR87RV","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981830,"usec":863935},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788025,"noise_level":-21.363497,"freq_skew":5.815580,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981833,"usec":142531},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128842,"noise_level":-21.568218,"freq_skew":3.605448,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":798,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":4,"ack":3,"credit_offered":0,"credit_avail":3,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":5,"err_fsm_state":1,"err_fsm_bispdu_name":"Cease","err_fsm_state_descr":"CLOSED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981833,"usec":900973},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668801,"noise_level":-21.676264,"freq_skew":5.611794,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"dst_airport","value":"EDSB"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981833,"usec":905692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086436,"noise_level":-21.634226,"freq_skew":3.862695,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981835,"usec":462442},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760523,"noise_level":-21.184757,"freq_skew":5.506404,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBR","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR97CB","msg_num":"S64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981838,"usec":503545},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773088,"noise_level":-21.020611,"freq_skew":5.659062,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1707,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7996,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[130,41]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":23,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981839,"usec":249841},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707776,"noise_level":-21.413857,"freq_skew":5.605074,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":7996,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[130,41]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":23,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981841,"usec":572358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.515218,"noise_level":-21.388290,"freq_skew":5.253704,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981842,"usec":322815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184626,"noise_level":-22.064905,"freq_skew":4.975677,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981844,"usec":597680},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672340,"noise_level":-21.623323,"freq_skew":3.719291,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746271","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,204,185,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981844,"usec":614583},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692836,"noise_level":-21.928913,"freq_skew":5.680330,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":21,"dst_ref":7996,"variable_part_params":[{"name":"checksum","value":[193,62]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981845,"usec":362011},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.591815,"noise_level":-22.616617,"freq_skew":3.729409,"avlc":{"src":{"addr":"3C6641","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981845,"usec":363279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.219741,"noise_level":-22.604885,"freq_skew":5.155543,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981845,"usec":376634},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188113,"noise_level":-22.476873,"freq_skew":5.217509,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981845,"usec":376960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995272,"noise_level":-22.476873,"freq_skew":3.830368,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981846,"usec":883656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065852,"noise_level":-23.326088,"freq_skew":3.846013,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981847,"usec":641060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.010204,"noise_level":-24.047234,"freq_skew":4.927238,"avlc":{"src":{"addr":"502DAC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981847,"usec":644879},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.517834,"noise_level":-23.992043,"freq_skew":0.818672,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981847,"usec":653692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086627,"noise_level":-23.869133,"freq_skew":4.306639,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981854,"usec":580819},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888518,"noise_level":-21.154482,"freq_skew":3.902591,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":799,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,83,65,83,0,74,201,230],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981854,"usec":582913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.228248,"noise_level":-21.134663,"freq_skew":4.455190,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981856,"usec":68032},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053027,"noise_level":-20.881050,"freq_skew":2.509525,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":6.600000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981856,"usec":72140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135747,"noise_level":-21.100523,"freq_skew":3.776694,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981858,"usec":367876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.767856,"noise_level":-20.540838,"freq_skew":1.828404,"avlc":{"src":{"addr":"502D5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981859,"usec":127662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.671054,"noise_level":-20.339813,"freq_skew":4.125332,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981859,"usec":898553},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364575,"noise_level":-20.046738,"freq_skew":5.389313,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981863,"usec":722409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779133,"noise_level":-20.298969,"freq_skew":2.242121,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981865,"usec":230621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.472784,"noise_level":-21.421211,"freq_skew":4.341073,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981865,"usec":245043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004186,"noise_level":-21.279156,"freq_skew":2.608937,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981866,"usec":1300},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789121,"noise_level":-21.109730,"freq_skew":5.650345,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LROP"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":6.800000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981866,"usec":2239},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929296,"noise_level":-21.099865,"freq_skew":0.788931,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981867,"usec":509211},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266799,"noise_level":-21.228394,"freq_skew":5.107279,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":10.200000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981869,"usec":849996},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144135,"noise_level":-20.509285,"freq_skew":4.260397,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":517,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981870,"usec":587641},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184970,"noise_level":-20.481699,"freq_skew":3.634032,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981870,"usec":606937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542639,"noise_level":-20.527353,"freq_skew":2.270867,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981872,"usec":107433},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.790778,"noise_level":-20.201281,"freq_skew":5.715729,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221213","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,139,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981872,"usec":867973},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485565,"noise_level":-19.878437,"freq_skew":2.385336,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981874,"usec":405214},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.290638,"noise_level":-20.206377,"freq_skew":5.220129,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":595,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981875,"usec":141899},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.512097,"noise_level":-20.144337,"freq_skew":4.663522,"avlc":{"src":{"addr":"502DAC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981875,"usec":949677},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.765817,"noise_level":-19.964275,"freq_skew":4.213645,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":517,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981876,"usec":703508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588592,"noise_level":-20.892620,"freq_skew":5.562590,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR04HH","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981878,"usec":233142},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175616,"noise_level":-22.834892,"freq_skew":0.064796,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981879,"usec":754705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.498296,"noise_level":-23.041538,"freq_skew":5.583763,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981880,"usec":500068},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.610605,"noise_level":-22.858559,"freq_skew":5.382655,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981880,"usec":506042},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185960,"noise_level":-22.798409,"freq_skew":4.431935,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":225,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":517,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981881,"usec":285460},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.986409,"noise_level":-22.354414,"freq_skew":3.286489,"avlc":{"src":{"addr":"4B17DE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981883,"usec":588737},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712562,"noise_level":-21.829597,"freq_skew":4.110561,"avlc":{"src":{"addr":"4D2287","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981883,"usec":592379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761771,"noise_level":-22.514780,"freq_skew":3.144014,"avlc":{"src":{"addr":"46B8B4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981883,"usec":596674},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.323657,"noise_level":-22.468493,"freq_skew":5.314906,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36626,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[56,195,113,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981901,"usec":926073},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797375,"noise_level":-20.407051,"freq_skew":2.570019,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":249,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":25,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981903,"usec":463268},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957547,"noise_level":-20.803646,"freq_skew":4.237289,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":491,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[142,14]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":25,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981904,"usec":977444},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886211,"noise_level":-20.471245,"freq_skew":2.339291,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":780,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55491,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[247,5,181,171]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981904,"usec":979602},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642236,"noise_level":-20.998508,"freq_skew":2.609674,"avlc":{"src":{"addr":"452130","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981906,"usec":524150},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.001949,"noise_level":-20.928413,"freq_skew":4.763044,"avlc":{"src":{"addr":"48C229","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36659,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[73,18]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981910,"usec":334262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.763835,"noise_level":-21.060928,"freq_skew":5.009614,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10970A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981911,"usec":113966},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447272,"noise_level":-20.933292,"freq_skew":5.149725,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981912,"usec":639123},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026553,"noise_level":-20.462706,"freq_skew":2.389363,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPC","mode":"2","label":"_d","blk_id":"1","ack":"W","flight":"LX027M","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981914,"usec":134376},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588721,"noise_level":-20.139008,"freq_skew":4.918617,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981917,"usec":229007},"freq":136975000,"burst_len_octets":133,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905783,"noise_level":-20.628529,"freq_skew":4.411853,"avlc":{"src":{"addr":"503CF5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":224,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":519,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":2,"credit_avail":4,"path_attributes":[{"name":"rd_hop_count","value":1},{"name":"capacity","value":12},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,71,74,84,0,80,60,245]]}]},{"name":"route","value":{"id":1,"localpref":0}},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"subnet_type","value":{"subnet_id":2,"subnet_name":"VDL","permitted_traffic_types":["ATS","AOC","ATN Administrative","ATN System Mgmt"]}},{"name":"supported_atsc_classes","value":["A","B","C","D","E"]}]}}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,71,74,84,0,80,60,245]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981917,"usec":232788},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910655,"noise_level":-20.591259,"freq_skew":4.540257,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981918,"usec":750230},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528740,"noise_level":-20.129557,"freq_skew":4.894781,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32961,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[159,61]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981919,"usec":523544},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927945,"noise_level":-20.622980,"freq_skew":0.070654,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981921,"usec":36076},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703191,"noise_level":-20.257502,"freq_skew":4.310285,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5169,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":491,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[7,214]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981922,"usec":577859},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004677,"noise_level":-20.036604,"freq_skew":4.825061,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981923,"usec":354738},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595600,"noise_level":-20.044964,"freq_skew":5.475081,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[94,113]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981924,"usec":878333},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990411,"noise_level":-19.921732,"freq_skew":0.537694,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12448,"credit":4,"rseq":14,"variable_part_params":[{"name":"atn_checksum","value":[170,188,245,70]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981925,"usec":629196},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918665,"noise_level":-19.793560,"freq_skew":0.433680,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":651,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12448,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[60,76,142,140]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":25,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981926,"usec":400627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.625447,"noise_level":-19.613071,"freq_skew":0.847541,"avlc":{"src":{"addr":"3C0CA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981927,"usec":898668},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553833,"noise_level":-19.639532,"freq_skew":5.520603,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[94,113]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981928,"usec":659429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953505,"noise_level":-20.071222,"freq_skew":3.291537,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981933,"usec":282053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364944,"noise_level":-19.111652,"freq_skew":2.311419,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981935,"usec":550827},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687293,"noise_level":-18.513262,"freq_skew":0.702013,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCS","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LX09GD","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981936,"usec":358217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.840445,"noise_level":-18.310694,"freq_skew":1.894492,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981937,"usec":875784},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368403,"noise_level":-18.015434,"freq_skew":4.869114,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":157,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981937,"usec":879021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871498,"noise_level":-18.043921,"freq_skew":0.590284,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981943,"usec":983187},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728782,"noise_level":-17.158339,"freq_skew":4.892123,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":4}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981943,"usec":988954},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725581,"noise_level":-17.729168,"freq_skew":0.502039,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":653,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60760,"dst_ref":12448,"variable_part_params":[{"name":"atn_checksum","value":[130,160,160,74]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981945,"usec":506514},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853116,"noise_level":-17.375336,"freq_skew":5.047142,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981951,"usec":617379},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.469974,"noise_level":-16.463428,"freq_skew":4.932598,"avlc":{"src":{"addr":"3C5EE8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981951,"usec":619862},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908194,"noise_level":-16.895248,"freq_skew":2.297109,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":781,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8034,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[236,144,16,148]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981954,"usec":645170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964287,"noise_level":-16.706989,"freq_skew":5.567428,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981954,"usec":656167},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.282506,"noise_level":-16.931473,"freq_skew":2.314263,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981960,"usec":762163},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857246,"noise_level":-17.874397,"freq_skew":2.483550,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":75,"dst_ref":12541,"variable_part_params":[{"name":"atn_checksum","value":[22,66,50,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981960,"usec":769238},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273438,"noise_level":-17.826923,"freq_skew":2.412630,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":782,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55491,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[247,5,181,171]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981964,"usec":620435},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.870255,"noise_level":-19.570944,"freq_skew":5.446875,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981966,"usec":878056},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875394,"noise_level":-20.092375,"freq_skew":4.766658,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.600000},"alt":27000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981966,"usec":884182},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541068,"noise_level":-20.005028,"freq_skew":2.509814,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":75,"dst_ref":12541,"variable_part_params":[{"name":"atn_checksum","value":[22,66,50,201]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981967,"usec":650654},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783782,"noise_level":-21.095762,"freq_skew":3.863696,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981968,"usec":398178},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977793,"noise_level":-21.242924,"freq_skew":3.689472,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981970,"usec":744009},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189288,"noise_level":-21.860519,"freq_skew":5.849675,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981971,"usec":486949},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.129700,"noise_level":-22.443741,"freq_skew":1.645042,"avlc":{"src":{"addr":"4CA1CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":61,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981973,"usec":7721},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942843,"noise_level":-22.306095,"freq_skew":-0.047222,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":363,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981973,"usec":767060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496620,"noise_level":-22.005518,"freq_skew":5.978139,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981973,"usec":777077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961007,"noise_level":-22.985365,"freq_skew":4.801605,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981978,"usec":366263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866312,"noise_level":-21.298504,"freq_skew":-0.057144,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981979,"usec":114883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544315,"noise_level":-21.148506,"freq_skew":3.666168,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981983,"usec":736254},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.269812,"noise_level":-20.733826,"freq_skew":2.433835,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614514","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,25,76,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981985,"usec":234004},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.039086,"noise_level":-20.436516,"freq_skew":2.559494,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981985,"usec":238566},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.544711,"noise_level":-20.833771,"freq_skew":2.337895,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":783,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8034,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[186,188,249,95]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8034,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[133,4,89,142]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":26,"sec":19}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981985,"usec":994306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067697,"noise_level":-20.607283,"freq_skew":4.383297,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981986,"usec":11400},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025377,"noise_level":-20.468670,"freq_skew":2.493304,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":784,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8034,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[236,131,75,120]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":26,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981986,"usec":757723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555188,"noise_level":-20.865229,"freq_skew":5.017621,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981986,"usec":761490},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099950,"noise_level":-20.836489,"freq_skew":2.433149,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":785,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55491,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[19,129,179,102]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":26,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981988,"usec":273850},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068123,"noise_level":-21.530087,"freq_skew":2.386695,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":787,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55491,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[107,74,181,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981991,"usec":369775},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755171,"noise_level":-21.627186,"freq_skew":0.694825,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981995,"usec":932318},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860067,"noise_level":-22.265444,"freq_skew":5.090005,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDP","mode":"2","label":"_d","blk_id":"7","ack":"Q","flight":"LH073D","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981995,"usec":932757},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.401277,"noise_level":-22.265444,"freq_skew":4.759414,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981996,"usec":715490},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705722,"noise_level":-23.487869,"freq_skew":0.029582,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":364,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25429,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[254,170,109,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981996,"usec":725694},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564819,"noise_level":-23.410349,"freq_skew":2.455576,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":9.400001},"alt":25000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981999,"usec":757879},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.280259,"noise_level":-25.270988,"freq_skew":4.916596,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":161,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12662,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[112,101,76,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981999,"usec":757879},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.280259,"noise_level":-25.270988,"freq_skew":4.916596,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":55,"dst_ref":12662,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[117,233,104,43]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981999,"usec":769487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985017,"noise_level":-26.058693,"freq_skew":3.931575,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981999,"usec":769747},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.055095,"noise_level":-26.058693,"freq_skew":4.961461,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":463,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":4,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,87,71,0,60,100,144],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788981999,"usec":775659},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034605,"noise_level":-25.971886,"freq_skew":2.565329,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":672,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55502,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[179,129,63,253]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":26,"sec":38}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982000,"usec":515307},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990781,"noise_level":-25.885937,"freq_skew":5.056974,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":464,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982002,"usec":805958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460152,"noise_level":-24.541290,"freq_skew":4.813200,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982005,"usec":116193},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.465922,"noise_level":-25.460514,"freq_skew":2.309968,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982006,"usec":636783},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357760,"noise_level":-24.908388,"freq_skew":4.696781,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":166,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12663,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[61,49,176,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982006,"usec":645113},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.880614,"noise_level":-24.711933,"freq_skew":2.262560,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982006,"usec":646489},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416116,"noise_level":-24.667221,"freq_skew":4.904828,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12663,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[153,98,234,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":26,"sec":45}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982010,"usec":488478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947780,"noise_level":-22.995579,"freq_skew":4.949949,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982012,"usec":9977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101669,"noise_level":-23.448675,"freq_skew":5.594681,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982013,"usec":514453},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852039,"noise_level":-22.910168,"freq_skew":3.261104,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982015,"usec":60812},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607169,"noise_level":-22.077122,"freq_skew":3.866305,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":837,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12546,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[250,232]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982016,"usec":548146},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966351,"noise_level":-22.050014,"freq_skew":4.821249,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDP","mode":"2","label":"_d","blk_id":"0","ack":"S","flight":"LH073D","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982018,"usec":894147},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814600,"noise_level":-21.822750,"freq_skew":2.487919,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPA","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LX08KY","msg_num":"S57","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982020,"usec":385867},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899301,"noise_level":-22.384529,"freq_skew":2.401565,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982021,"usec":152263},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.420293,"noise_level":-22.158882,"freq_skew":3.656473,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJO","mode":"2","label":"_d","blk_id":"0","ack":"K","flight":"LX01LK","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982021,"usec":928250},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064342,"noise_level":-21.856403,"freq_skew":5.104894,"avlc":{"src":{"addr":"484506","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29E057","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982021,"usec":932161},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202739,"noise_level":-21.824196,"freq_skew":4.438839,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5171,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":491,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[3,217]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982023,"usec":430091},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696445,"noise_level":-22.737541,"freq_skew":3.802477,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":838,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25437,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[130,223]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982024,"usec":238471},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935863,"noise_level":-23.511013,"freq_skew":5.495102,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982026,"usec":518996},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.201396,"noise_level":-22.841187,"freq_skew":4.884097,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32961,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[216,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982027,"usec":282068},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218469,"noise_level":-22.406506,"freq_skew":3.473669,"avlc":{"src":{"addr":"3C7879","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982028,"usec":52946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.178607,"noise_level":-22.146870,"freq_skew":4.676785,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982030,"usec":373544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.617155,"noise_level":-23.229277,"freq_skew":4.393285,"avlc":{"src":{"addr":"502DAC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982031,"usec":888278},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997352,"noise_level":-22.691954,"freq_skew":5.344125,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":694,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36626,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[181,254,100,67]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36626,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[208,139,220,225]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":27,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982033,"usec":392450},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855769,"noise_level":-22.309711,"freq_skew":1.594612,"avlc":{"src":{"addr":"4CA1CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982038,"usec":763074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737946,"noise_level":-21.407555,"freq_skew":3.862758,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982038,"usec":769630},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495459,"noise_level":-21.336348,"freq_skew":3.883761,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":55504,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[168,15,241,165]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982041,"usec":32920},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644454,"noise_level":-21.675194,"freq_skew":3.736831,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55504,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[193,1,98,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982041,"usec":49586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787395,"noise_level":-21.664400,"freq_skew":5.112120,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982042,"usec":564321},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.430106,"noise_level":-21.588419,"freq_skew":5.248618,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982044,"usec":874092},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.081942,"noise_level":-20.897076,"freq_skew":4.279589,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DHG","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR41SU","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982045,"usec":628779},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796832,"noise_level":-20.697140,"freq_skew":4.615412,"avlc":{"src":{"addr":"4CA263","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":491,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[254,220]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982046,"usec":388839},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885949,"noise_level":-20.455816,"freq_skew":4.054065,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982046,"usec":400063},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158350,"noise_level":-20.355700,"freq_skew":2.387074,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982047,"usec":168087},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729773,"noise_level":-20.114746,"freq_skew":3.739088,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":841,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12546,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[176,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":27,"sec":25}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982050,"usec":219948},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385473,"noise_level":-20.175283,"freq_skew":5.896904,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABGQ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LH066E","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982050,"usec":226523},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562908,"noise_level":-21.443916,"freq_skew":3.818590,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.600002,"lon":8.500000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982050,"usec":227610},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556632,"noise_level":-21.423426,"freq_skew":3.931782,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJO","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LX01LK","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982050,"usec":227610},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.556632,"noise_level":-21.423426,"freq_skew":3.931782,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22613030","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,22,24,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982050,"usec":997798},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.221906,"noise_level":-21.847363,"freq_skew":6.005741,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982051,"usec":754099},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.730663,"noise_level":-21.603687,"freq_skew":3.889326,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982053,"usec":259702},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661789,"noise_level":-21.800388,"freq_skew":3.823952,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982067,"usec":780541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.753403,"noise_level":-19.223680,"freq_skew":1.215869,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982068,"usec":550407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.068070,"noise_level":-18.942326,"freq_skew":6.089504,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982070,"usec":824593},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547506,"noise_level":-18.794477,"freq_skew":5.514078,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3581,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[98,105]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982073,"usec":899252},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713983,"noise_level":-18.768187,"freq_skew":3.359346,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":4.800000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982073,"usec":909382},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766187,"noise_level":-19.116743,"freq_skew":5.257304,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8843,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982076,"usec":935715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.977025,"noise_level":-19.968355,"freq_skew":2.942456,"avlc":{"src":{"addr":"3C56F6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982079,"usec":270492},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833745,"noise_level":-20.410290,"freq_skew":5.522500,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":695,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982082,"usec":311291},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.896367,"noise_level":-19.977848,"freq_skew":1.338978,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982084,"usec":631406},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787953,"noise_level":-19.270975,"freq_skew":6.066870,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"dst_airport","value":"EDFH"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":7.900000},"alt":117000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982086,"usec":910442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819785,"noise_level":-20.044268,"freq_skew":6.119590,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982086,"usec":914544},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013737,"noise_level":-20.009415,"freq_skew":5.282033,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982087,"usec":661541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296407,"noise_level":-19.897102,"freq_skew":5.400799,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D04F7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982093,"usec":28246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977117,"noise_level":-18.652906,"freq_skew":3.378020,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982093,"usec":772236},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216656,"noise_level":-18.754356,"freq_skew":5.357760,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982094,"usec":531524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.183434,"noise_level":-18.575596,"freq_skew":1.544161,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982096,"usec":55370},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.812201,"noise_level":-18.200457,"freq_skew":5.036940,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982096,"usec":830580},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.394148,"noise_level":-18.275648,"freq_skew":2.525073,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982102,"usec":185472},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053633,"noise_level":-17.098537,"freq_skew":2.235872,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614514","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,25,76,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982102,"usec":949459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022342,"noise_level":-17.769396,"freq_skew":2.147025,"avlc":{"src":{"addr":"4B194C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982114,"usec":431378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.295386,"noise_level":-18.243183,"freq_skew":0.630820,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982115,"usec":955874},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247791,"noise_level":-17.854656,"freq_skew":0.037887,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":366,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25429,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[254,170,109,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982117,"usec":454148},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836873,"noise_level":-17.607170,"freq_skew":3.710776,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982117,"usec":458366},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795115,"noise_level":-17.580832,"freq_skew":-0.060443,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982121,"usec":306742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575804,"noise_level":-17.741915,"freq_skew":5.702094,"avlc":{"src":{"addr":"4D228B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982123,"usec":569765},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.547556,"noise_level":-18.581148,"freq_skew":-0.098991,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982125,"usec":126262},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.307593,"noise_level":-18.868343,"freq_skew":0.491354,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCS","mode":"2","label":"13","blk_id":"2","ack":"!","flight":"LX09GD","msg_num":"M74","msg_num_seq":"A","msg_text":"LSZH,1928,1948"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982125,"usec":126439},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774726,"noise_level":-18.868343,"freq_skew":2.278858,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55502,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[223,14,150,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982133,"usec":540907},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.753711,"noise_level":-19.052769,"freq_skew":4.817677,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAP","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR19HF","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982135,"usec":816777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298286,"noise_level":-21.480217,"freq_skew":2.385982,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982141,"usec":196141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368647,"noise_level":-24.064564,"freq_skew":4.678299,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982142,"usec":710747},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362231,"noise_level":-24.426460,"freq_skew":3.707519,"avlc":{"src":{"addr":"4BCCB9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":843,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25437,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[130,223]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982143,"usec":449320},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914332,"noise_level":-24.399664,"freq_skew":4.930123,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":502,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982143,"usec":457378},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796580,"noise_level":-24.285107,"freq_skew":4.764751,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221042","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,34,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982145,"usec":764669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514761,"noise_level":-24.239199,"freq_skew":5.262151,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982149,"usec":571624},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.883520,"noise_level":-23.134775,"freq_skew":4.540615,"avlc":{"src":{"addr":"502DAC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982152,"usec":658296},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999301,"noise_level":-21.915998,"freq_skew":2.151568,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12450,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[40,29,210,249]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":29,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982153,"usec":400871},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073845,"noise_level":-21.755051,"freq_skew":2.183188,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":12450,"variable_part_params":[{"name":"atn_checksum","value":[127,224,115,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982155,"usec":711672},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668804,"noise_level":-22.314972,"freq_skew":2.166197,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":12450,"variable_part_params":[{"name":"atn_checksum","value":[127,224,115,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982157,"usec":963128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952936,"noise_level":-22.382812,"freq_skew":5.941238,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982157,"usec":971936},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.091093,"noise_level":-22.280563,"freq_skew":4.467335,"avlc":{"src":{"addr":"502DAC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982161,"usec":60303},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877473,"noise_level":-22.627966,"freq_skew":2.232481,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982164,"usec":91642},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007190,"noise_level":-22.548302,"freq_skew":3.793799,"avlc":{"src":{"addr":"4B1618","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982170,"usec":954892},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186510,"noise_level":-21.391991,"freq_skew":5.631166,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3582,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[98,105]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982172,"usec":535479},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.813379,"noise_level":-21.050665,"freq_skew":0.429980,"avlc":{"src":{"addr":"4B180A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982173,"usec":286458},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776161,"noise_level":-20.875980,"freq_skew":3.724079,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":803,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":4,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982177,"usec":839277},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.639751,"noise_level":-19.732496,"freq_skew":3.386278,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":275,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982183,"usec":199530},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.405963,"noise_level":-19.258844,"freq_skew":1.273678,"avlc":{"src":{"addr":"4D23A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982184,"usec":733217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123593,"noise_level":-18.830902,"freq_skew":5.183869,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982187,"usec":791833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162340,"noise_level":-19.125498,"freq_skew":3.726266,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982187,"usec":814070},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.069797,"noise_level":-19.000732,"freq_skew":2.194160,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982187,"usec":817795},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.825515,"noise_level":-18.977537,"freq_skew":3.996943,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982190,"usec":83431},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154993,"noise_level":-20.401306,"freq_skew":3.919559,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982190,"usec":91508},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.862861,"noise_level":-20.346893,"freq_skew":3.788843,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982192,"usec":351705},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.994995,"noise_level":-19.812256,"freq_skew":3.538569,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982193,"usec":937178},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830267,"noise_level":-20.622385,"freq_skew":4.719668,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAP","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR19HF","msg_num":"M34","msg_num_seq":"A","msg_text":"192952,83348,1945, 92,N 49.755 E 5.523"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982195,"usec":447120},"freq":136975000,"burst_len_octets":72,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.640946,"noise_level":-20.203415,"freq_skew":5.214655,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"85","blk_id":"0","ack":"!","flight":"PC870X","msg_num":"M75","msg_num_seq":"A","msg_text":"PC870X/09SEP26 19:29:48,2246"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982195,"usec":456628},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.792451,"noise_level":-20.123756,"freq_skew":3.850370,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":807,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982196,"usec":194109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.090608,"noise_level":-20.079813,"freq_skew":4.770254,"avlc":{"src":{"addr":"4D2222","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982196,"usec":960976},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.473336,"noise_level":-19.803728,"freq_skew":3.821029,"avlc":{"src":{"addr":"4AC9E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,65,83,0,74,201,230,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982197,"usec":728651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.316533,"noise_level":-20.914450,"freq_skew":5.179031,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982200,"usec":805067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812784,"noise_level":-20.340960,"freq_skew":3.537322,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982210,"usec":726210},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749005,"noise_level":-18.843540,"freq_skew":2.095372,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982216,"usec":828059},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152586,"noise_level":-19.558928,"freq_skew":2.692462,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"_d","blk_id":"1","ack":"V","flight":"LH08KM","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982219,"usec":119909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226476,"noise_level":-19.487020,"freq_skew":5.669937,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982222,"usec":202389},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650198,"noise_level":-20.273678,"freq_skew":2.462830,"avlc":{"src":{"addr":"4408DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LBZ","mode":"2","label":"_d","blk_id":"8","ack":"E","flight":"OS020C","msg_num":"S82","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982222,"usec":976905},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972277,"noise_level":-22.042997,"freq_skew":-0.242146,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982223,"usec":734515},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244950,"noise_level":-21.740620,"freq_skew":2.796396,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982228,"usec":314006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.341378,"noise_level":-20.979824,"freq_skew":-0.031545,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982235,"usec":203713},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771127,"noise_level":-20.767529,"freq_skew":-0.235519,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":371,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12538,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[116,111,141,177]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":30,"sec":34}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982235,"usec":215519},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.173688,"noise_level":-20.806179,"freq_skew":0.003315,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25429,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[202,167,235,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":30,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982236,"usec":709650},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.155420,"noise_level":-20.506424,"freq_skew":4.092240,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12663,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[176,40,122,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982236,"usec":710541},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.101722,"noise_level":-21.505703,"freq_skew":-0.052840,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982237,"usec":484142},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716829,"noise_level":-21.637840,"freq_skew":-0.249728,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982237,"usec":494123},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225652,"noise_level":-21.543951,"freq_skew":4.380673,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":173,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982251,"usec":249489},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852162,"noise_level":-19.072702,"freq_skew":5.719012,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982255,"usec":72993},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.481284,"noise_level":-18.574697,"freq_skew":4.584282,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982258,"usec":119068},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257702,"noise_level":-17.833254,"freq_skew":4.911723,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982258,"usec":882304},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257347,"noise_level":-17.776545,"freq_skew":4.667638,"avlc":{"src":{"addr":"4CAFB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,175,179,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982260,"usec":434282},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.764755,"noise_level":-18.197281,"freq_skew":5.489646,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32974,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[128,244]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982262,"usec":704810},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.588341,"noise_level":-17.763630,"freq_skew":5.605144,"avlc":{"src":{"addr":"4CAE58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982262,"usec":706153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436645,"noise_level":-18.785349,"freq_skew":5.090704,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982274,"usec":953308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.018677,"noise_level":-20.479088,"freq_skew":1.767644,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982275,"usec":702377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634223,"noise_level":-20.243664,"freq_skew":1.940045,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982275,"usec":707764},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078504,"noise_level":-20.110691,"freq_skew":2.593570,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"_d","blk_id":"3","ack":"W","flight":"LH08KM","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982276,"usec":466541},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943191,"noise_level":-19.927881,"freq_skew":-0.354413,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":219776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.047956,"noise_level":-19.808111,"freq_skew":5.390961,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":222074},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.023714,"noise_level":-20.135159,"freq_skew":-0.247846,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":991327},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.331015,"noise_level":-19.969135,"freq_skew":5.457462,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":991327},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":1,"sig_level":-5.331015,"noise_level":-19.969135,"freq_skew":5.457462,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":699,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36699,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[198,181,0,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":994905},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153112,"noise_level":-20.311352,"freq_skew":-0.142492,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":379,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25429,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[29,227,204,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982277,"usec":994905},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.153112,"noise_level":-20.311352,"freq_skew":-0.142492,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25429,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[40,26,239,146]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":31,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982278,"usec":754234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250111,"noise_level":-20.062855,"freq_skew":-0.187783,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982278,"usec":756724},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767729,"noise_level":-20.045374,"freq_skew":2.021045,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENG","mode":"2","label":"_d","blk_id":"0","ack":"T","flight":"LH03BZ","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982278,"usec":766932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998788,"noise_level":-19.975800,"freq_skew":5.402105,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982281,"usec":849810},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305045,"noise_level":-20.854494,"freq_skew":5.098226,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982284,"usec":122142},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780944,"noise_level":-20.478029,"freq_skew":5.504637,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982284,"usec":122142},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.780944,"noise_level":-20.478029,"freq_skew":5.504637,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":706,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":86,"dst_ref":36699,"variable_part_params":[{"name":"atn_checksum","value":[172,138,26,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982287,"usec":197056},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721280,"noise_level":-19.679401,"freq_skew":0.339599,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982287,"usec":972234},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.901247,"noise_level":-19.358906,"freq_skew":5.241044,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982290,"usec":977851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783892,"noise_level":-19.985916,"freq_skew":5.352249,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982294,"usec":837733},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973793,"noise_level":-19.677855,"freq_skew":2.417001,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55502,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,168,249,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982297,"usec":877986},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916966,"noise_level":-19.116215,"freq_skew":2.368447,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":679,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55502,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[218,168,249,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982302,"usec":486246},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.711858,"noise_level":-18.046152,"freq_skew":4.631736,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982312,"usec":388297},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.260787,"noise_level":-17.581362,"freq_skew":5.377040,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDL","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LX09EX","msg_num":"F84","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982313,"usec":946786},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.195561,"noise_level":-17.312891,"freq_skew":5.492930,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982316,"usec":998693},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805079,"noise_level":-17.641205,"freq_skew":1.084574,"avlc":{"src":{"addr":"501C13","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2148B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982318,"usec":523341},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767400,"noise_level":-18.072186,"freq_skew":2.789166,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08KM","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982319,"usec":290958},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.821718,"noise_level":-18.550255,"freq_skew":5.368413,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982322,"usec":342866},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.062527,"noise_level":-18.654694,"freq_skew":2.846735,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRU","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08KM","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982323,"usec":105356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830866,"noise_level":-18.761843,"freq_skew":5.232051,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982323,"usec":861496},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362615,"noise_level":-19.460604,"freq_skew":5.167665,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDL","mode":"2","label":"_d","blk_id":"1","ack":"B","flight":"LX09EX","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982329,"usec":989835},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776099,"noise_level":-17.855309,"freq_skew":5.206179,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"16","blk_id":"1","ack":"!","flight":"PC870X","msg_num":"M76","msg_num_seq":"A","msg_text":"PC870X/09SEP26 19:32:06,19883,2248, 213,N 50.843 E 7.381"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982330,"usec":763466},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844859,"noise_level":-18.321512,"freq_skew":4.619160,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"_d","blk_id":"1","ack":"R","flight":"LH0884","msg_num":"S23","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982332,"usec":290787},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134220,"noise_level":-18.786636,"freq_skew":2.925607,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":300,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982334,"usec":564982},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988776,"noise_level":-18.854082,"freq_skew":3.893365,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IHM","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR09XB","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982337,"usec":625540},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789055,"noise_level":-19.368271,"freq_skew":4.079556,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982338,"usec":390457},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099973,"noise_level":-19.216154,"freq_skew":2.927061,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH03HA","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982339,"usec":166005},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.527162,"noise_level":-18.950418,"freq_skew":5.501974,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1711,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982339,"usec":180710},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.758887,"noise_level":-19.220249,"freq_skew":3.862379,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3484,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982339,"usec":927810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.723445,"noise_level":-19.133341,"freq_skew":5.116294,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982341,"usec":491975},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044185,"noise_level":-18.711393,"freq_skew":2.910409,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH03HA","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982342,"usec":249722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253649,"noise_level":-20.876644,"freq_skew":3.024002,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982342,"usec":250457},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885207,"noise_level":-20.876644,"freq_skew":5.492836,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982343,"usec":10870},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.228667,"noise_level":-20.911354,"freq_skew":5.348783,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1000,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55521,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[143,123,30,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982343,"usec":19101},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.326665,"noise_level":-20.844088,"freq_skew":2.918698,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982343,"usec":762562},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320477,"noise_level":-20.999622,"freq_skew":4.799074,"avlc":{"src":{"addr":"3C6490","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982346,"usec":799797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267605,"noise_level":-20.049726,"freq_skew":4.036859,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982349,"usec":890654},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872954,"noise_level":-19.122593,"freq_skew":2.998705,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982350,"usec":625007},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939713,"noise_level":-19.076565,"freq_skew":3.058035,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982350,"usec":628240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.539561,"noise_level":-19.014309,"freq_skew":5.131806,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982352,"usec":144194},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.336286,"noise_level":-18.974970,"freq_skew":2.822670,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,86,239,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982358,"usec":299407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968719,"noise_level":-20.203703,"freq_skew":2.375803,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982361,"usec":371447},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.596544,"noise_level":-21.662664,"freq_skew":3.494665,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982364,"usec":413636},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870564,"noise_level":-23.386562,"freq_skew":5.590450,"avlc":{"src":{"addr":"4BCE08","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982365,"usec":909572},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690171,"noise_level":-22.795773,"freq_skew":5.798909,"avlc":{"src":{"addr":"4BCE08","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982366,"usec":667103},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088820,"noise_level":-23.741617,"freq_skew":2.365932,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-CSB","mode":"2","label":"HX","blk_id":"2","ack":"M","flight":"BT0335","msg_num":"S17","msg_num_seq":"A","msg_text":"RA FMT NO PARTICIPATING ATIS AIRPORT IN REQUEST\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982367,"usec":422285},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634346,"noise_level":-23.582724,"freq_skew":5.725485,"avlc":{"src":{"addr":"4BCE08","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982368,"usec":990846},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.660438,"noise_level":-23.273230,"freq_skew":5.654360,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982368,"usec":991705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768078,"noise_level":-23.863338,"freq_skew":2.153563,"avlc":{"src":{"addr":"502CC7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982369,"usec":776402},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.163374,"noise_level":-23.375870,"freq_skew":2.854254,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWO","mode":"2","label":"H2","blk_id":"4","ack":"!","flight":"LH03HA","msg_num":"M79","msg_num_seq":"B","msg_text":"819283711M555231072G Q"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982372,"usec":30766},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507361,"noise_level":-23.240124,"freq_skew":5.715943,"avlc":{"src":{"addr":"4BCE08","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982372,"usec":804217},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404111,"noise_level":-23.596851,"freq_skew":5.854171,"avlc":{"src":{"addr":"4BCE08","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,83,88,83,0,75,206,8,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982374,"usec":323109},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668701,"noise_level":-23.842031,"freq_skew":6.305076,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982375,"usec":88067},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.186556,"noise_level":-23.587093,"freq_skew":6.427651,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32928,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[174,94,242,65]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982375,"usec":881330},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700336,"noise_level":-23.851437,"freq_skew":6.093682,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32928,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,9,71,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982378,"usec":941061},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.015057,"noise_level":-23.361303,"freq_skew":6.381509,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32928,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[44,9,71,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982380,"usec":428981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.188256,"noise_level":-22.852114,"freq_skew":6.332914,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982381,"usec":234943},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.564933,"noise_level":-22.486012,"freq_skew":6.026052,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982385,"usec":52926},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935352,"noise_level":-21.435530,"freq_skew":1.974621,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENG","mode":"2","label":"_d","blk_id":"2","ack":"U","flight":"LH03BZ","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982386,"usec":568124},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.356270,"noise_level":-21.582262,"freq_skew":4.152614,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZED","mode":"2","label":"_d","blk_id":"6","ack":"T","flight":"U296QE","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982388,"usec":92758},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.197787,"noise_level":-21.027195,"freq_skew":4.346603,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-UZED","mode":"2","label":"_d","blk_id":"8","ack":"U","flight":"U296QE","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982388,"usec":95416},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.255047,"noise_level":-21.007664,"freq_skew":3.834219,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1858,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":502,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[222,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982391,"usec":148564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378901,"noise_level":-20.215755,"freq_skew":4.409597,"avlc":{"src":{"addr":"40815B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982391,"usec":931317},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250639,"noise_level":-19.892384,"freq_skew":5.080228,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982400,"usec":342326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.243022,"noise_level":-19.419626,"freq_skew":5.548563,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36626,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[51,94,212,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982401,"usec":83397},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085927,"noise_level":-19.306620,"freq_skew":5.451595,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982401,"usec":94271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412056,"noise_level":-19.218849,"freq_skew":5.450468,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982403,"usec":426636},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.278823,"noise_level":-20.281807,"freq_skew":6.484065,"avlc":{"src":{"addr":"4D224E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDY","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR10GQ","msg_num":"M36","msg_num_seq":"A","msg_text":"193321,106404,1951, 94,N 46.726 E 10.887"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982405,"usec":694386},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925507,"noise_level":-21.221004,"freq_skew":5.181369,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982405,"usec":700813},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364632,"noise_level":-21.975864,"freq_skew":6.252115,"avlc":{"src":{"addr":"4D224E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982409,"usec":518953},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314021,"noise_level":-20.861843,"freq_skew":5.253615,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982409,"usec":540102},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610198,"noise_level":-21.936165,"freq_skew":5.496389,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044361","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,72,241,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982410,"usec":278535},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.388442,"noise_level":-22.817013,"freq_skew":7.067470,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.100002,"lon":9.100000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982412,"usec":553547},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.910881,"noise_level":-23.557693,"freq_skew":5.733355,"avlc":{"src":{"addr":"4CA847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982413,"usec":310949},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586204,"noise_level":-25.260458,"freq_skew":5.305432,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":9.400001},"alt":24000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982413,"usec":313459},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789370,"noise_level":-25.969210,"freq_skew":5.378384,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":46.799999,"lon":12.600000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982414,"usec":908437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506913,"noise_level":-25.161724,"freq_skew":1.385890,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982416,"usec":399424},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.290184,"noise_level":-26.336515,"freq_skew":5.417841,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982417,"usec":179818},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.497860,"noise_level":-25.711025,"freq_skew":5.216159,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982417,"usec":191834},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555177,"noise_level":-25.594465,"freq_skew":5.553095,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982418,"usec":683868},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652056,"noise_level":-26.193737,"freq_skew":1.548680,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIBF","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH02HK","msg_num":"S88","msg_num_seq":"A","msg_text":"0EV193332V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":33,"sec":32}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982420,"usec":220596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837167,"noise_level":-26.392132,"freq_skew":7.106943,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982420,"usec":225449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887295,"noise_level":-27.149450,"freq_skew":1.494809,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982420,"usec":226581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.744086,"noise_level":-27.129690,"freq_skew":5.197055,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982421,"usec":759113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.610147,"noise_level":-27.094223,"freq_skew":5.199978,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1005,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55521,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[173,180,125,51]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982422,"usec":528918},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585685,"noise_level":-28.221237,"freq_skew":5.093328,"avlc":{"src":{"addr":"4CA244","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DCN","mode":"2","label":"16","blk_id":"9","ack":"!","flight":"FR75DX","msg_num":"M92","msg_num_seq":"A","msg_text":"193340,M118172,2016, 116,N 48.180 E 13.766"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982422,"usec":542496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784157,"noise_level":-27.935049,"freq_skew":3.434346,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982424,"usec":50872},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.539882,"noise_level":-27.498955,"freq_skew":2.971497,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982426,"usec":314348},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.717297,"noise_level":-27.842003,"freq_skew":3.562577,"avlc":{"src":{"addr":"44CDD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982429,"usec":421860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961601,"noise_level":-25.656298,"freq_skew":4.825107,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982434,"usec":737594},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.242439,"noise_level":-24.791899,"freq_skew":2.974500,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982435,"usec":500849},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668534,"noise_level":-24.307976,"freq_skew":6.282596,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":465,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982436,"usec":302747},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.231573,"noise_level":-24.246029,"freq_skew":3.520482,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12663,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[176,40,122,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982440,"usec":93708},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.207266,"noise_level":-23.241829,"freq_skew":3.575624,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12663,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[176,40,122,204]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982445,"usec":437296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083412,"noise_level":-22.348032,"freq_skew":3.204098,"avlc":{"src":{"addr":"44CDD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982449,"usec":300347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041847,"noise_level":-21.232109,"freq_skew":6.384493,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982450,"usec":49467},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.413545,"noise_level":-21.034184,"freq_skew":5.846401,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982450,"usec":58314},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110821,"noise_level":-20.956259,"freq_skew":5.560020,"avlc":{"src":{"addr":"4CA847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6020,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33065,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[239,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982452,"usec":336520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066409,"noise_level":-21.078539,"freq_skew":3.527364,"avlc":{"src":{"addr":"44CDD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982453,"usec":108028},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995064,"noise_level":-20.837011,"freq_skew":5.372229,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982453,"usec":852184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057353,"noise_level":-20.969223,"freq_skew":2.940321,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982453,"usec":856150},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878405,"noise_level":-21.073551,"freq_skew":6.115259,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-SSJ","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"SN01ZK","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982454,"usec":618986},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638484,"noise_level":-21.919477,"freq_skew":6.440745,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":468,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32928,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[119,202,32,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982455,"usec":352510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144124,"noise_level":-22.208790,"freq_skew":1.918669,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982455,"usec":357651},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.673043,"noise_level":-22.801237,"freq_skew":5.333230,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":60,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982456,"usec":161453},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757278,"noise_level":-22.634954,"freq_skew":1.882266,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982456,"usec":164627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212042,"noise_level":-23.061737,"freq_skew":5.159136,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982456,"usec":923476},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793740,"noise_level":-23.157978,"freq_skew":5.332578,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982456,"usec":923476},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.793740,"noise_level":-23.157978,"freq_skew":5.332578,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":712,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":85,"dst_ref":36626,"variable_part_params":[{"name":"atn_checksum","value":[24,36,78,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982456,"usec":924132},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888803,"noise_level":-23.485012,"freq_skew":5.399237,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982458,"usec":437119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015850,"noise_level":-23.551792,"freq_skew":5.515943,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982460,"usec":741563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.205468,"noise_level":-23.737164,"freq_skew":2.508524,"avlc":{"src":{"addr":"4B194A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982462,"usec":294753},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.895079,"noise_level":-23.181040,"freq_skew":5.174724,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982463,"usec":822333},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.395255,"noise_level":-23.090647,"freq_skew":4.929288,"avlc":{"src":{"addr":"406B5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"},{"name":"ac_location","value":{"loc":{"lat":46.100002,"lon":9.000000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982465,"usec":327161},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.078210,"noise_level":-22.825354,"freq_skew":4.496428,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982465,"usec":332736},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.479920,"noise_level":-22.777386,"freq_skew":4.521725,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982466,"usec":93995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.025461,"noise_level":-23.495047,"freq_skew":4.359230,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982466,"usec":108099},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.925643,"noise_level":-23.391752,"freq_skew":4.486110,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982466,"usec":122358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056813,"noise_level":-23.264336,"freq_skew":5.203367,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982468,"usec":373801},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.144846,"noise_level":-22.525146,"freq_skew":2.271086,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,67,76,88,0,77,1,23,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982472,"usec":202244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.781677,"noise_level":-21.602175,"freq_skew":4.885007,"avlc":{"src":{"addr":"406B5B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982472,"usec":960903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.523029,"noise_level":-21.426392,"freq_skew":3.409215,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982475,"usec":276930},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.744608,"noise_level":-20.600691,"freq_skew":5.570875,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"FR04MA","msg_num":"M88","msg_num_seq":"A","msg_text":"/EBCI.TI2/024EBCIAA271"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982482,"usec":139751},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.015738,"noise_level":-20.300018,"freq_skew":5.358068,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1006,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55521,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[143,20,126,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982484,"usec":453747},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050310,"noise_level":-21.521158,"freq_skew":5.620446,"avlc":{"src":{"addr":"4CA847","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6022,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12611,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[165,11]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982485,"usec":958122},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.266101,"noise_level":-21.309185,"freq_skew":1.722041,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":7.800000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982491,"usec":346255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.333014,"noise_level":-22.170746,"freq_skew":3.253379,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982495,"usec":895753},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.249453,"noise_level":-23.778481,"freq_skew":1.339834,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982496,"usec":689716},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857918,"noise_level":-23.449305,"freq_skew":4.009200,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982498,"usec":214209},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.207907,"noise_level":-22.814148,"freq_skew":4.287417,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1859,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":502,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[218,249]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982498,"usec":978430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817905,"noise_level":-22.484226,"freq_skew":1.687081,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982501,"usec":999563},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.263785,"noise_level":-21.864548,"freq_skew":4.260764,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20073672","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":3,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,119,186,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982502,"usec":807594},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.124457,"noise_level":-21.547432,"freq_skew":4.094638,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982502,"usec":811183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244062,"noise_level":-21.875996,"freq_skew":2.069424,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982503,"usec":570592},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.494018,"noise_level":-21.758217,"freq_skew":5.165376,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":4}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":46.500000,"lon":11.400001},"alt":28000}},{"name":"alternate_ground_stations","value":["10F68A","10935A","10911A","109ACA","10924A","10FA5A","10FA7A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982504,"usec":336408},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132873,"noise_level":-21.496334,"freq_skew":3.408336,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,87,76,0,77,36,17,0,0,83,65,65,66,0,0,1],"dst_nsap":[71,0,39,129,131,73,84,0,1,82,82,1,143,69,83,80,68,0,1,1],"lifetime":20.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":560,"segment_offset":0,"pdu_total_len":89},"reasm_status":"skipped","options":[{"name":"lref","value":[0]},{"name":"qos_maintenance","value":[214]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"priority","value":[11]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":490,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[26,49,71,48]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982505,"usec":103399},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.414347,"noise_level":-21.362934,"freq_skew":5.190149,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDL","mode":"2","label":"_d","blk_id":"4","ack":"E","flight":"LX09EX","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982506,"usec":635868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.502864,"noise_level":-22.142870,"freq_skew":2.972939,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982507,"usec":388775},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.835146,"noise_level":-22.945185,"freq_skew":4.015163,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982507,"usec":395153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634867,"noise_level":-22.872337,"freq_skew":4.450768,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982509,"usec":690661},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.910575,"noise_level":-23.261398,"freq_skew":3.961193,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982511,"usec":239453},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.158422,"noise_level":-23.120062,"freq_skew":4.100657,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1865,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[207,3]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982511,"usec":982746},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644184,"noise_level":-22.972050,"freq_skew":6.554482,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3801,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12705,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[205,144]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982511,"usec":991387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896451,"noise_level":-22.874756,"freq_skew":2.890780,"avlc":{"src":{"addr":"3C6655","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982514,"usec":279933},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322031,"noise_level":-22.745466,"freq_skew":4.403027,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982515,"usec":762601},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052335,"noise_level":-22.292784,"freq_skew":6.418103,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982516,"usec":569721},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.393171,"noise_level":-22.611475,"freq_skew":4.227537,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1866,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":502,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[82,218]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982517,"usec":328322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031938,"noise_level":-22.368519,"freq_skew":5.373908,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982518,"usec":873778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.407663,"noise_level":-22.333832,"freq_skew":3.637142,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982521,"usec":899621},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167923,"noise_level":-21.957758,"freq_skew":3.910479,"avlc":{"src":{"addr":"4CADF7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982522,"usec":690780},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.255099,"noise_level":-21.785366,"freq_skew":3.771088,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":177,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12663,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[87,248,218,19]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":35,"sec":20}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982524,"usec":973424},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139776,"noise_level":-21.840042,"freq_skew":6.132243,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982524,"usec":986718},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.678151,"noise_level":-21.733345,"freq_skew":3.517370,"avlc":{"src":{"addr":"44CDD0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982527,"usec":253549},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785643,"noise_level":-22.140522,"freq_skew":0.090811,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25429,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[169,86,75,2]}]},{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25429,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[144,131,199,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982527,"usec":257392},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821991,"noise_level":-22.107246,"freq_skew":5.156620,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDB"},{"name":"ac_location","value":{"loc":{"lat":47.000000,"lon":11.500000},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982528,"usec":27929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622591,"noise_level":-22.386044,"freq_skew":4.028309,"avlc":{"src":{"addr":"3C6595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982530,"usec":333035},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.604505,"noise_level":-22.253471,"freq_skew":5.451203,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982530,"usec":336678},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.980470,"noise_level":-22.423073,"freq_skew":4.219281,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":23,"pkt_type_name":"Clear Confirm","chan_group":11,"chan_num":255}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982531,"usec":91745},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117525,"noise_level":-23.147720,"freq_skew":6.208875,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":32928,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[184,227,45,245]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":35,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982534,"usec":129339},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931531,"noise_level":-22.141821,"freq_skew":5.589598,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982537,"usec":992819},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687537,"noise_level":-21.921347,"freq_skew":5.210368,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33058,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[29,233,32,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982539,"usec":504697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704391,"noise_level":-22.455465,"freq_skew":5.014232,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982540,"usec":271906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364573,"noise_level":-23.056511,"freq_skew":1.852772,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982545,"usec":608220},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890905,"noise_level":-22.236479,"freq_skew":5.102550,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982545,"usec":609961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458583,"noise_level":-22.579973,"freq_skew":5.253458,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982545,"usec":613616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.178309,"noise_level":-22.463852,"freq_skew":3.626611,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982547,"usec":126476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.633641,"noise_level":-22.067585,"freq_skew":4.120412,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982548,"usec":657328},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024705,"noise_level":-22.102346,"freq_skew":5.353737,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982548,"usec":661785},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419809,"noise_level":-22.829792,"freq_skew":3.104045,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982549,"usec":427204},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.495456,"noise_level":-23.392771,"freq_skew":5.269120,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":484,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12702,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[48,177,54,144]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":35,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982549,"usec":436585},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281250,"noise_level":-23.416344,"freq_skew":5.200032,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982550,"usec":211431},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.698207,"noise_level":-23.365009,"freq_skew":3.312592,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDK","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH03MA","msg_num":"M93","msg_num_seq":"A","msg_text":"00080234244WOJ4:*696JUU:UG57)UH7T0"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982552,"usec":512466},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713345,"noise_level":-24.037411,"freq_skew":7.077313,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982554,"usec":14190},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775318,"noise_level":-24.973537,"freq_skew":5.329362,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982554,"usec":19079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474649,"noise_level":-24.912157,"freq_skew":3.085540,"avlc":{"src":{"addr":"3C648B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982554,"usec":791658},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.452552,"noise_level":-25.968916,"freq_skew":5.116261,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":63,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33058,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[169,189,244,164]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":35,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982559,"usec":380268},"freq":136975000,"burst_len_octets":128,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.615514,"noise_level":-27.002337,"freq_skew":7.174437,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":309,"idrp":{"err":false,"pdu_type":2,"pdu_type_name":"Update","seq":2,"ack":1,"credit_offered":5,"credit_avail":3,"path_attributes":[{"name":"route","value":{"id":2,"localpref":0}},{"name":"rd_path","value":[{"name":"rd_seq","value":[[71,0,39,65,68,76,65,0,48,3,148]]}]},{"name":"rd_hop_count","value":1},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"supported_atsc_classes","value":["A","B","C","D","E","F","G","H"]}]}},{"name":"capacity","value":13}],"nlri_list":[{"proto":"CLNP","prefix_len":88,"dst_prefix":[71,0,39,65,68,76,65,0,48,3,148]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982563,"usec":164827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737447,"noise_level":-26.072681,"freq_skew":3.500894,"avlc":{"src":{"addr":"3C64A4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982563,"usec":969885},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.953187,"noise_level":-25.713215,"freq_skew":4.362611,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982566,"usec":248694},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.537253,"noise_level":-24.480331,"freq_skew":4.369642,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":530,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982568,"usec":521173},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.602330,"noise_level":-25.037350,"freq_skew":4.499788,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982568,"usec":522559},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869554,"noise_level":-26.000254,"freq_skew":1.466856,"avlc":{"src":{"addr":"4B1808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EHAM"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982573,"usec":135277},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864077,"noise_level":-24.678164,"freq_skew":5.601743,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982573,"usec":151772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.427388,"noise_level":-24.472244,"freq_skew":-0.105577,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982577,"usec":728461},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166368,"noise_level":-22.869806,"freq_skew":2.674339,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982577,"usec":730834},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.148529,"noise_level":-22.749771,"freq_skew":1.798396,"avlc":{"src":{"addr":"4B1808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982578,"usec":489175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.716193,"noise_level":-22.456749,"freq_skew":2.678724,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982581,"usec":558451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154010,"noise_level":-22.150824,"freq_skew":4.554228,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982583,"usec":68932},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.982758,"noise_level":-21.664026,"freq_skew":3.747027,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982585,"usec":384679},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856456,"noise_level":-21.095985,"freq_skew":1.496419,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33020,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[2,15,252,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982586,"usec":155540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.386827,"noise_level":-20.788223,"freq_skew":7.203712,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982586,"usec":899874},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358006,"noise_level":-22.083443,"freq_skew":3.679703,"avlc":{"src":{"addr":"4077BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-DRTU","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"LS06PE","msg_num":"M15","msg_num_seq":"A","msg_text":"0E21936252S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":19,"min":36,"sec":25}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982587,"usec":688031},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.184412,"noise_level":-22.687511,"freq_skew":5.310036,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982588,"usec":418316},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.422006,"noise_level":-22.558285,"freq_skew":4.778199,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABGQ","mode":"2","label":"_d","blk_id":"2","ack":"I","flight":"LH066E","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982588,"usec":429989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958818,"noise_level":-23.662680,"freq_skew":1.575175,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982589,"usec":192509},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625583,"noise_level":-23.312305,"freq_skew":4.842605,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.600000},"alt":175000}},{"name":"alternate_ground_stations","value":["109F2A","10930A","10911A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982589,"usec":195852},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916554,"noise_level":-23.274235,"freq_skew":1.528796,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982590,"usec":730411},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767575,"noise_level":-24.863150,"freq_skew":4.630301,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22732347","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,75,180,231,0,75,180,231,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982591,"usec":490152},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.158829,"noise_level":-26.184040,"freq_skew":3.669743,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982594,"usec":557761},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.396578,"noise_level":-25.860554,"freq_skew":3.002618,"avlc":{"src":{"addr":"440CAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LZN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"OS319U","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982594,"usec":558472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.661503,"noise_level":-25.860554,"freq_skew":4.770987,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982595,"usec":313367},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540854,"noise_level":-26.134995,"freq_skew":4.529751,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-MGG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"4M0301","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982595,"usec":316018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355715,"noise_level":-26.889284,"freq_skew":2.765203,"avlc":{"src":{"addr":"440CAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982596,"usec":820860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.809426,"noise_level":-26.206465,"freq_skew":2.890340,"avlc":{"src":{"addr":"440CAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982598,"usec":404819},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659698,"noise_level":-26.805765,"freq_skew":4.652767,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-MGG","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"4M0301","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982599,"usec":913909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391160,"noise_level":-26.907652,"freq_skew":4.918180,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982601,"usec":441582},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096153,"noise_level":-26.892281,"freq_skew":3.012533,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWO","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH03HA","msg_num":"M82","msg_num_seq":"A","msg_text":"00069234227,+8XW34T4OUU7T+,S4T882 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982607,"usec":535192},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831555,"noise_level":-24.432522,"freq_skew":4.682963,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982608,"usec":290884},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060353,"noise_level":-24.878334,"freq_skew":4.697352,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982608,"usec":292256},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589631,"noise_level":-24.832760,"freq_skew":4.646728,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33094,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[122,92,132,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982609,"usec":52678},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181078,"noise_level":-24.608406,"freq_skew":5.407445,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982609,"usec":62849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436522,"noise_level":-24.461996,"freq_skew":4.626663,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982610,"usec":608987},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883104,"noise_level":-23.645056,"freq_skew":4.688017,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982611,"usec":352847},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625702,"noise_level":-23.500891,"freq_skew":3.006294,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":736,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982613,"usec":674028},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396888,"noise_level":-23.384266,"freq_skew":6.855261,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDM"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":9.300000},"alt":31000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982613,"usec":679225},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.315263,"noise_level":-24.528799,"freq_skew":3.145693,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWO","mode":"2","label":"_d","blk_id":"8","ack":"P","flight":"LH03HA","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982616,"usec":699184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.733562,"noise_level":-25.383572,"freq_skew":3.057950,"avlc":{"src":{"addr":"440CAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982616,"usec":712182},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599335,"noise_level":-26.244467,"freq_skew":5.349432,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982617,"usec":519711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.721385,"noise_level":-25.980255,"freq_skew":2.766513,"avlc":{"src":{"addr":"440CAB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982619,"usec":19290},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871402,"noise_level":-25.427593,"freq_skew":5.282692,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982619,"usec":38833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648678,"noise_level":-25.250921,"freq_skew":5.352895,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982619,"usec":786972},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.928196,"noise_level":-25.445015,"freq_skew":5.520584,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,174,153,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982620,"usec":532281},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.893842,"noise_level":-25.454302,"freq_skew":5.260483,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982620,"usec":532281},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.893842,"noise_level":-25.454302,"freq_skew":5.260483,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982620,"usec":536364},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413830,"noise_level":-25.293053,"freq_skew":5.501478,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982620,"usec":537234},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490857,"noise_level":-25.261158,"freq_skew":4.683529,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"EGBB"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":8.100000},"alt":35000}},{"name":"alternate_ground_stations","value":["10943A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982621,"usec":296337},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.543005,"noise_level":-25.488283,"freq_skew":7.027110,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982623,"usec":568486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.077185,"noise_level":-25.801502,"freq_skew":5.344506,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982623,"usec":571146},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595874,"noise_level":-25.700455,"freq_skew":2.863505,"avlc":{"src":{"addr":"3C66B1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982623,"usec":572494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648149,"noise_level":-25.924509,"freq_skew":5.438477,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982623,"usec":574632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936524,"noise_level":-26.954655,"freq_skew":2.924583,"avlc":{"src":{"addr":"405455","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982624,"usec":336408},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916600,"noise_level":-26.999916,"freq_skew":5.122517,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":69,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12709,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,175,7,84]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":36,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982624,"usec":341204},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.275142,"noise_level":-26.941776,"freq_skew":5.467040,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":274,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[96,18,146,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982624,"usec":351199},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885757,"noise_level":-26.807610,"freq_skew":5.168581,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTC","mode":"2","label":"_d","blk_id":"6","ack":"D","flight":"W60466","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982624,"usec":355262},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.935306,"noise_level":-26.769653,"freq_skew":5.345470,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982625,"usec":910389},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.523206,"noise_level":-26.026009,"freq_skew":0.067340,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982626,"usec":672358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689458,"noise_level":-26.501083,"freq_skew":6.903241,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982627,"usec":428672},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.711062,"noise_level":-26.559814,"freq_skew":5.697503,"avlc":{"src":{"addr":"4CA565","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982627,"usec":447519},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.232512,"noise_level":-26.286879,"freq_skew":5.413514,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982628,"usec":954330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743796,"noise_level":-25.581854,"freq_skew":5.149114,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982629,"usec":716509},"freq":136975000,"burst_len_octets":143,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834196,"noise_level":-25.368649,"freq_skew":5.287633,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTC","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"W60466","msg_num":"F16","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN49517E006013,N49534E005556,193702,260,N49501E006066,193732,N49428E006305,M35,31022,1804C92"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982631,"usec":226252},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.525202,"noise_level":-25.357170,"freq_skew":5.403990,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124112","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,74,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982632,"usec":13612},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925756,"noise_level":-25.197697,"freq_skew":6.418459,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":474,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32928,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[24,65,191,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982632,"usec":37398},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777575,"noise_level":-25.337109,"freq_skew":1.543094,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":227,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33020,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[147,64,33,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982632,"usec":773944},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141591,"noise_level":-25.257191,"freq_skew":5.496084,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982632,"usec":778775},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.139933,"noise_level":-25.178003,"freq_skew":5.192535,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":47.100002,"lon":12.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982632,"usec":785591},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619315,"noise_level":-25.083920,"freq_skew":5.609335,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982634,"usec":295769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601474,"noise_level":-24.452402,"freq_skew":5.667592,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982640,"usec":425085},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581143,"noise_level":-26.057074,"freq_skew":4.324499,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982640,"usec":425085},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.581143,"noise_level":-26.057074,"freq_skew":4.324499,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISX","mode":"2","label":"SA","blk_id":"3","ack":"!","flight":"LH067K","msg_num":"S16","msg_num_seq":"A","msg_text":"0EV193717V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":37,"sec":17}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982640,"usec":439784},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718474,"noise_level":-26.342726,"freq_skew":4.648794,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.700001,"lon":9.400001},"alt":164000}},{"name":"alternate_ground_stations","value":["10943A","1098FA","109C5A","1094DA","10930A","10910A","109F2A","10911A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982641,"usec":181489},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779815,"noise_level":-26.986855,"freq_skew":5.109880,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982641,"usec":938698},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734391,"noise_level":-26.663155,"freq_skew":4.290297,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982641,"usec":955881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.515752,"noise_level":-27.529581,"freq_skew":5.395224,"avlc":{"src":{"addr":"4D226D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982642,"usec":688382},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.629544,"noise_level":-27.426851,"freq_skew":4.689510,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-MGG","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"4M0301","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982642,"usec":693438},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.377785,"noise_level":-27.066767,"freq_skew":4.561907,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982643,"usec":483610},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587296,"noise_level":-26.815838,"freq_skew":1.598264,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982644,"usec":234705},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830232,"noise_level":-27.458208,"freq_skew":5.159646,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982645,"usec":18101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003304,"noise_level":-27.295746,"freq_skew":0.273662,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982645,"usec":38098},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695496,"noise_level":-27.038057,"freq_skew":0.115829,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUN","mode":"2","label":"SA","blk_id":"0","ack":"!","flight":"LH0958","msg_num":"S05","msg_num_seq":"A","msg_text":"0EV193722V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":37,"sec":22}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982645,"usec":46173},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.837570,"noise_level":-27.133398,"freq_skew":5.574665,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":129,"cause_descr":"Protocol violation","delay":0,"additional_data":[20,1]}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982645,"usec":780767},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.693035,"noise_level":-27.035225,"freq_skew":1.488375,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982646,"usec":536692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839911,"noise_level":-26.541862,"freq_skew":6.834766,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982646,"usec":541010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933478,"noise_level":-27.550884,"freq_skew":3.783782,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982647,"usec":297392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.759432,"noise_level":-27.165886,"freq_skew":0.139798,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982649,"usec":584877},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.904421,"noise_level":-26.767099,"freq_skew":7.023745,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982650,"usec":329788},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739573,"noise_level":-26.932434,"freq_skew":2.480332,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":72,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":2321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12621,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[174,51,160,9]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":37,"sec":28}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982651,"usec":890187},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078105,"noise_level":-26.228535,"freq_skew":2.630925,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982651,"usec":893722},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.423560,"noise_level":-25.982937,"freq_skew":1.692583,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWJ","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08WH","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982652,"usec":653420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882743,"noise_level":-25.593950,"freq_skew":6.336335,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982652,"usec":653835},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.871356,"noise_level":-25.577429,"freq_skew":6.740356,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJL","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"EN06PT","msg_num":"C91","msg_num_seq":"E","sublabel":"CF","msg_text":".2, 0, 0, -44.1457,\n-18.9971,\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982658,"usec":795845},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813361,"noise_level":-24.948702,"freq_skew":2.793497,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982660,"usec":309348},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256110,"noise_level":-25.534821,"freq_skew":2.606522,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982662,"usec":573273},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581449,"noise_level":-27.326988,"freq_skew":4.766904,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982663,"usec":349308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.467655,"noise_level":-26.690912,"freq_skew":1.659286,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982664,"usec":101103},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878864,"noise_level":-26.468592,"freq_skew":2.493130,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982667,"usec":175823},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811153,"noise_level":-26.071823,"freq_skew":2.952249,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":305,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982667,"usec":930723},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.385052,"noise_level":-25.864159,"freq_skew":4.769232,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982667,"usec":930801},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-14.849087,"noise_level":-25.864159,"freq_skew":4.074286,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982668,"usec":700131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546262,"noise_level":-25.513048,"freq_skew":4.981681,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982671,"usec":745682},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.251691,"noise_level":-25.318424,"freq_skew":5.311289,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982672,"usec":556129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991807,"noise_level":-24.912703,"freq_skew":2.129883,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982672,"usec":558756},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032046,"noise_level":-25.535582,"freq_skew":5.123763,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTC","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"W60466","msg_num":"F20","msg_num_seq":"A","sublabel":"M1","msg_text":"RESPWI/AC,3018259"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982673,"usec":295458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900879,"noise_level":-25.340641,"freq_skew":4.158310,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982677,"usec":862152},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632082,"noise_level":-23.686684,"freq_skew":5.544728,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR01QA","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982679,"usec":423581},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.398342,"noise_level":-24.471794,"freq_skew":6.329108,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982680,"usec":174418},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328252,"noise_level":-25.757046,"freq_skew":6.356189,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982680,"usec":175746},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624107,"noise_level":-25.924187,"freq_skew":6.277997,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12697,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[110,187,67,176]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982680,"usec":177976},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757903,"noise_level":-25.855736,"freq_skew":6.291037,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982680,"usec":177976},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.757903,"noise_level":-25.855736,"freq_skew":6.291037,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":481,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":64,"dst_ref":32928,"variable_part_params":[{"name":"atn_checksum","value":[226,234,97,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982681,"usec":691448},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626076,"noise_level":-25.835621,"freq_skew":6.903485,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982682,"usec":449893},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908309,"noise_level":-25.323814,"freq_skew":4.143420,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982687,"usec":53270},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719969,"noise_level":-24.689322,"freq_skew":1.446390,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982688,"usec":573814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938479,"noise_level":-24.043297,"freq_skew":7.068169,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982688,"usec":574012},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900304,"noise_level":-24.043297,"freq_skew":5.574865,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"8A","blk_id":"1","ack":"!","flight":"FR19SR","msg_num":"M96","msg_num_seq":"A","msg_text":"145929,C,EBCI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982688,"usec":574194},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691338,"noise_level":-24.029472,"freq_skew":6.237624,"avlc":{"src":{"addr":"4D224E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2971,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982690,"usec":108135},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694200,"noise_level":-23.352110,"freq_skew":5.587289,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"8C","blk_id":"2","ack":"!","flight":"FR19SR","msg_num":"M97","msg_num_seq":"A","msg_text":"150039,C,EBCI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982690,"usec":111172},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548290,"noise_level":-23.301153,"freq_skew":4.835473,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":262,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12544,"credit":5,"rseq":22,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":21,"acked_subseq":0,"acked_credit":5}},{"name":"atn_checksum","value":[20,101,181,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982692,"usec":419590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070255,"noise_level":-23.287842,"freq_skew":6.670716,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982692,"usec":432386},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.258545,"noise_level":-23.924143,"freq_skew":6.484032,"avlc":{"src":{"addr":"4D224E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982693,"usec":179106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.026433,"noise_level":-23.735159,"freq_skew":6.366144,"avlc":{"src":{"addr":"4D224E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2971,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982693,"usec":947040},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.761396,"noise_level":-23.267281,"freq_skew":5.387833,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"8C","blk_id":"3","ack":"!","flight":"FR19SR","msg_num":"M98","msg_num_seq":"A","msg_text":"150224,O,EBCI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982694,"usec":718536},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177624,"noise_level":-23.956652,"freq_skew":4.890984,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":179,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12717,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[3,196,229,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982700,"usec":72944},"freq":136975000,"burst_len_octets":120,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300625,"noise_level":-23.011696,"freq_skew":5.437030,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RFH","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"PC1592","msg_num":"C05","msg_num_seq":"A","sublabel":"CF","msg_text":"FLR/PNRC12860AA08/FR26090919370023723406CDSU(9RA)/DU SD(4WT2)\r/IDEIS 1\r "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982702,"usec":338073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.653342,"noise_level":-22.270252,"freq_skew":5.559320,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982702,"usec":349854},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763050,"noise_level":-22.169315,"freq_skew":6.625091,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982704,"usec":631846},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706798,"noise_level":-21.530209,"freq_skew":1.346702,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":230,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982705,"usec":406980},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247876,"noise_level":-21.891598,"freq_skew":5.364819,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12718,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[152,150,224,225]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982706,"usec":184802},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896413,"noise_level":-21.957357,"freq_skew":5.606767,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982707,"usec":707453},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.701290,"noise_level":-21.792059,"freq_skew":0.156909,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":437,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33093,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[234,224,105,229]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982709,"usec":231272},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650599,"noise_level":-22.295059,"freq_skew":5.139123,"avlc":{"src":{"addr":"4400DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982713,"usec":55326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615096,"noise_level":-21.842699,"freq_skew":6.372849,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982713,"usec":56602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.509714,"noise_level":-22.069986,"freq_skew":6.234944,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12697,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[85,211,7,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982718,"usec":382960},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.450305,"noise_level":-21.105778,"freq_skew":5.408167,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982719,"usec":187015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019763,"noise_level":-20.805214,"freq_skew":-0.104530,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982719,"usec":204338},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.671610,"noise_level":-21.001167,"freq_skew":0.012210,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":438,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33093,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[19,188,71,172]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982723,"usec":773984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568953,"noise_level":-21.485865,"freq_skew":5.489205,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982724,"usec":509417},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009314,"noise_level":-21.363058,"freq_skew":5.518034,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"8S","blk_id":"9","ack":"!","flight":"FR01QA","msg_num":"M17","msg_num_seq":"A","msg_text":"180606,O,LYPG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982726,"usec":824279},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.437009,"noise_level":-22.275507,"freq_skew":5.504961,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982727,"usec":576618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845308,"noise_level":-22.405186,"freq_skew":2.677479,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982731,"usec":396834},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521458,"noise_level":-21.925308,"freq_skew":4.995707,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982734,"usec":486931},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556063,"noise_level":-20.836466,"freq_skew":5.427210,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"QS","blk_id":"5","ack":"!","flight":"FR04MA","msg_num":"M92","msg_num_seq":"A","msg_text":"LIEEEBCI1409 85 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982740,"usec":580622},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462708,"noise_level":-19.908052,"freq_skew":6.964424,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982742,"usec":859426},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554783,"noise_level":-23.017319,"freq_skew":6.431619,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3807,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12723,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[18,215]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982744,"usec":396336},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.826615,"noise_level":-23.166773,"freq_skew":6.888064,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"QS","blk_id":"9","ack":"!","flight":"FR19SR","msg_num":"M13","msg_num_seq":"A","msg_text":"EBCILYPG1753 75 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982745,"usec":137809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.285703,"noise_level":-23.067287,"freq_skew":1.437190,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33020,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[167,152,84,50]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982745,"usec":147597},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742771,"noise_level":-22.968925,"freq_skew":2.975356,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":164,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982746,"usec":713012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.477755,"noise_level":-22.309942,"freq_skew":2.756316,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982747,"usec":492324},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716965,"noise_level":-22.377354,"freq_skew":6.544058,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12697,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[170,160,57,53]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12697,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[74,168,148,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":39,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982749,"usec":770101},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.500577,"noise_level":-22.467325,"freq_skew":1.379820,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982750,"usec":525029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.399038,"noise_level":-22.600437,"freq_skew":4.285728,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982753,"usec":588133},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346655,"noise_level":-22.281624,"freq_skew":4.983896,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982754,"usec":355585},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.952296,"noise_level":-21.949203,"freq_skew":1.469850,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982754,"usec":357613},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979306,"noise_level":-21.938339,"freq_skew":5.415298,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982755,"usec":115527},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.550908,"noise_level":-21.979588,"freq_skew":1.646433,"avlc":{"src":{"addr":"4B1808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982755,"usec":118093},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901324,"noise_level":-22.484896,"freq_skew":6.341935,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":486,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12697,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[90,138,108,206]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":39,"sec":12}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982755,"usec":855422},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474949,"noise_level":-22.663021,"freq_skew":6.401882,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982757,"usec":376334},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071754,"noise_level":-23.248625,"freq_skew":5.669734,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":280,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33090,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[11,119,173,90]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":39,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982758,"usec":131763},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.076981,"noise_level":-23.362200,"freq_skew":1.564488,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33020,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[7,70,178,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982758,"usec":131888},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607713,"noise_level":-23.362200,"freq_skew":5.287296,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":76,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982758,"usec":909262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.397506,"noise_level":-23.060497,"freq_skew":5.529187,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982758,"usec":923565},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775445,"noise_level":-23.055346,"freq_skew":5.312352,"avlc":{"src":{"addr":"471EFC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982758,"usec":925699},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960695,"noise_level":-23.030685,"freq_skew":5.490026,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":281,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[211,24,36,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982759,"usec":726139},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.131736,"noise_level":-22.714079,"freq_skew":2.569911,"avlc":{"src":{"addr":"4BCDBA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982760,"usec":484400},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568766,"noise_level":-23.186565,"freq_skew":1.713753,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982760,"usec":484925},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863335,"noise_level":-23.931360,"freq_skew":1.765301,"avlc":{"src":{"addr":"4B1808","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982761,"usec":250261},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983933,"noise_level":-24.480907,"freq_skew":2.867981,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":165,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":58,"dst_ref":33124,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[247,4,1,241]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982762,"usec":734296},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116535,"noise_level":-23.903946,"freq_skew":2.865569,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33124,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[123,91,125,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982765,"usec":785170},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928632,"noise_level":-22.604549,"freq_skew":4.163989,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENH","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EN03YP","msg_num":"M54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982768,"usec":130225},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835913,"noise_level":-21.567062,"freq_skew":4.006010,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982771,"usec":890062},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383377,"noise_level":-20.538132,"freq_skew":4.547626,"avlc":{"src":{"addr":"4CAF34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":818,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33063,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[170,212]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982775,"usec":764642},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609941,"noise_level":-20.839890,"freq_skew":-0.168193,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982778,"usec":21979},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327718,"noise_level":-20.926758,"freq_skew":3.391481,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982781,"usec":863806},"freq":136975000,"burst_len_octets":46,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.232506,"noise_level":-21.782484,"freq_skew":1.548958,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982781,"usec":878965},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715468,"noise_level":-21.634449,"freq_skew":6.443750,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982782,"usec":623392},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586025,"noise_level":-22.257820,"freq_skew":6.370323,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982783,"usec":385731},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340256,"noise_level":-21.948004,"freq_skew":-0.027050,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982783,"usec":400763},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.675681,"noise_level":-22.944626,"freq_skew":6.510225,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12697,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[115,13,102,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982784,"usec":141129},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391696,"noise_level":-22.896000,"freq_skew":0.023529,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33093,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[219,41,116,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982787,"usec":219473},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857721,"noise_level":-23.170614,"freq_skew":6.397055,"avlc":{"src":{"addr":"44CE6A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":489,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12697,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[115,13,102,207]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982787,"usec":979597},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823996,"noise_level":-25.035492,"freq_skew":1.437794,"avlc":{"src":{"addr":"3C6446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":237,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":51,"dst_ref":33020,"variable_part_params":[{"name":"atn_checksum","value":[73,194,105,113]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982788,"usec":739275},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026066,"noise_level":-24.656160,"freq_skew":3.513784,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENH","mode":"2","label":"1L","blk_id":"1","ack":"!","flight":"LH046K","msg_num":"M46","msg_num_seq":"A","msg_text":"00036234217,+(63X4E4*--3SQYY3,29,E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982788,"usec":741614},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622992,"noise_level":-24.538191,"freq_skew":2.180205,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982789,"usec":508803},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398964,"noise_level":-24.306953,"freq_skew":6.762626,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982793,"usec":371680},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740594,"noise_level":-24.712688,"freq_skew":3.270317,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982800,"usec":983347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.298156,"noise_level":-23.594311,"freq_skew":2.262761,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982804,"usec":21321},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.293308,"noise_level":-22.512114,"freq_skew":4.145714,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982808,"usec":623423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.536913,"noise_level":-21.200733,"freq_skew":5.638872,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982817,"usec":20459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.227883,"noise_level":-19.296011,"freq_skew":2.365510,"avlc":{"src":{"addr":"3C55C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982833,"usec":59203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006035,"noise_level":-18.588446,"freq_skew":6.641615,"avlc":{"src":{"addr":"3C6474","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982837,"usec":660509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.457228,"noise_level":-19.016743,"freq_skew":3.770660,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982837,"usec":665305},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.279359,"noise_level":-18.916491,"freq_skew":3.529276,"avlc":{"src":{"addr":"4D2014","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":180,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982842,"usec":283906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.742949,"noise_level":-19.612461,"freq_skew":2.849706,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982843,"usec":41030},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879053,"noise_level":-20.696579,"freq_skew":3.672745,"avlc":{"src":{"addr":"4854CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982845,"usec":304895},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812907,"noise_level":-20.232719,"freq_skew":3.454164,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982846,"usec":816174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843088,"noise_level":-20.722084,"freq_skew":4.022439,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982847,"usec":579386},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692284,"noise_level":-21.858955,"freq_skew":4.456899,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982848,"usec":386616},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846995,"noise_level":-21.614960,"freq_skew":4.477319,"avlc":{"src":{"addr":"4400B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LSW","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"EC51QX","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982849,"usec":156542},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418363,"noise_level":-21.459446,"freq_skew":4.714021,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":264,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12544,"credit":5,"rseq":23,"variable_part_params":[{"name":"atn_checksum","value":[230,115,167,28]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12544,"sseq":21,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[84,20,66,169]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":21,"msg_ref":22,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":40,"sec":47}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982849,"usec":918032},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618824,"noise_level":-21.897552,"freq_skew":4.445405,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982852,"usec":948483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596508,"noise_level":-21.613426,"freq_skew":4.751522,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982852,"usec":949910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.131955,"noise_level":-21.814157,"freq_skew":4.785485,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982853,"usec":770945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.190728,"noise_level":-22.526443,"freq_skew":2.644781,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982854,"usec":508001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.530231,"noise_level":-22.433990,"freq_skew":3.046382,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982856,"usec":42119},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.105207,"noise_level":-23.811714,"freq_skew":4.385306,"avlc":{"src":{"addr":"44CE77","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262597","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982856,"usec":797121},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590769,"noise_level":-23.572556,"freq_skew":6.287483,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3811,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12723,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[10,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982858,"usec":320223},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117495,"noise_level":-24.135727,"freq_skew":5.568701,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[166,49,103,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982858,"usec":329978},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273947,"noise_level":-24.024574,"freq_skew":4.357454,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982858,"usec":336977},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553208,"noise_level":-25.381994,"freq_skew":6.412644,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982862,"usec":146624},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839618,"noise_level":-24.923527,"freq_skew":2.755620,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33124,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[233,161,44,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982862,"usec":902876},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478369,"noise_level":-25.575504,"freq_skew":4.505741,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12544,"sseq":22,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[13,190,43,84]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":22,"msg_ref":22,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":41,"sec":1}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982864,"usec":419880},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811866,"noise_level":-25.548355,"freq_skew":2.852287,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEMD"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":5.600000},"alt":23000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982865,"usec":957443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.263472,"noise_level":-25.122297,"freq_skew":2.783525,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982865,"usec":961553},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581751,"noise_level":-25.091022,"freq_skew":2.958428,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982865,"usec":973691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209661,"noise_level":-24.921000,"freq_skew":2.817365,"avlc":{"src":{"addr":"34608F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982869,"usec":36139},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.469234,"noise_level":-24.183628,"freq_skew":4.752070,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":8.700000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982871,"usec":324354},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099148,"noise_level":-25.976278,"freq_skew":4.197233,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1926,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8068,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[87,33]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982872,"usec":849714},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627438,"noise_level":-25.138699,"freq_skew":4.833996,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNH","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH062K","msg_num":"S61","msg_num_seq":"A","msg_text":"0EV194107V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":41,"sec":7}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982875,"usec":149251},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.617724,"noise_level":-24.439957,"freq_skew":0.142698,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982877,"usec":426015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950130,"noise_level":-23.810728,"freq_skew":4.768905,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982882,"usec":24888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.771286,"noise_level":-24.454952,"freq_skew":3.907360,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982882,"usec":47370},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.397073,"noise_level":-24.708567,"freq_skew":0.118339,"avlc":{"src":{"addr":"3C66AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33093,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[69,86,3,118]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982882,"usec":55342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.266449,"noise_level":-25.524006,"freq_skew":4.473085,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982885,"usec":64279},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103129,"noise_level":-25.401876,"freq_skew":2.769125,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982886,"usec":598369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.162610,"noise_level":-24.452669,"freq_skew":4.469868,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982886,"usec":605471},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163901,"noise_level":-24.351738,"freq_skew":4.175013,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982887,"usec":361363},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902844,"noise_level":-24.014328,"freq_skew":2.957345,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982888,"usec":163991},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834604,"noise_level":-24.696270,"freq_skew":4.992625,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982888,"usec":917945},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.105816,"noise_level":-24.446337,"freq_skew":4.859343,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982890,"usec":425995},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123341,"noise_level":-23.657230,"freq_skew":1.894288,"avlc":{"src":{"addr":"4D0117","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982891,"usec":179458},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.496401,"noise_level":-23.435120,"freq_skew":5.070132,"avlc":{"src":{"addr":"4B181D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JDL","mode":"2","label":"12","blk_id":"6","ack":"!","flight":"LX09EX","msg_num":"M45","msg_num_seq":"A","msg_text":"1941,1951"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982891,"usec":937090},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470411,"noise_level":-23.180885,"freq_skew":4.785396,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":494,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12702,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[184,6,160,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":41,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982891,"usec":940252},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199714,"noise_level":-23.068863,"freq_skew":4.117105,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1929,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8068,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[156,150]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":41,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982892,"usec":700116},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766762,"noise_level":-22.681868,"freq_skew":5.044043,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982893,"usec":457237},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630199,"noise_level":-23.667698,"freq_skew":4.819844,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[149,94,254,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982906,"usec":463214},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.268565,"noise_level":-19.989094,"freq_skew":4.127716,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55539,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[158,188]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982907,"usec":221887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.273414,"noise_level":-19.842855,"freq_skew":3.941518,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982908,"usec":804619},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.289449,"noise_level":-19.353607,"freq_skew":4.285381,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55539,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[226,31]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982911,"usec":87741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387994,"noise_level":-19.651560,"freq_skew":4.310971,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982911,"usec":97525},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.416006,"noise_level":-19.576782,"freq_skew":5.384629,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR01QA","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982914,"usec":883704},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805017,"noise_level":-19.104628,"freq_skew":5.655972,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982916,"usec":444946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604146,"noise_level":-19.883041,"freq_skew":4.076295,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982916,"usec":451395},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739604,"noise_level":-20.711670,"freq_skew":4.168896,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982916,"usec":462880},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.279357,"noise_level":-20.636574,"freq_skew":2.636060,"avlc":{"src":{"addr":"440BCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDP"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982917,"usec":195109},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006416,"noise_level":-20.589966,"freq_skew":5.368304,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982917,"usec":960292},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.404801,"noise_level":-20.825205,"freq_skew":5.500848,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"QP","blk_id":"3","ack":"!","flight":"FR01QA","msg_num":"M22","msg_num_seq":"A","msg_text":"LYPGEBCI1830 192 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982919,"usec":494969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913946,"noise_level":-22.549232,"freq_skew":5.333434,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982920,"usec":230047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161488,"noise_level":-23.992805,"freq_skew":3.560055,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982920,"usec":982304},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527225,"noise_level":-23.829292,"freq_skew":4.153219,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982921,"usec":787645},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054117,"noise_level":-23.576534,"freq_skew":4.498829,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982921,"usec":790269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527759,"noise_level":-23.485237,"freq_skew":1.293400,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982924,"usec":831371},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213566,"noise_level":-22.064154,"freq_skew":4.001275,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55540,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[217,38]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982927,"usec":885790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865665,"noise_level":-21.790749,"freq_skew":5.266598,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982930,"usec":204486},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880252,"noise_level":-21.107899,"freq_skew":5.464100,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982930,"usec":956338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.174994,"noise_level":-21.872149,"freq_skew":4.172518,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982932,"usec":494846},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252929,"noise_level":-21.276672,"freq_skew":4.874302,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982942,"usec":466317},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043358,"noise_level":-20.259497,"freq_skew":3.999895,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":548,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[156,223,245,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982943,"usec":224771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389846,"noise_level":-20.029873,"freq_skew":4.009789,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982956,"usec":232365},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.238102,"noise_level":-18.038185,"freq_skew":5.618888,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":11.400001},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982961,"usec":524498},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831326,"noise_level":-17.943735,"freq_skew":1.791576,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982962,"usec":317401},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.411219,"noise_level":-18.960222,"freq_skew":4.403382,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABGQ","mode":"2","label":"_d","blk_id":"1","ack":"K","flight":"LH066E","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982963,"usec":87407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793095,"noise_level":-20.083282,"freq_skew":4.152687,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982963,"usec":864675},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048653,"noise_level":-20.824585,"freq_skew":3.841868,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1936,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":9,"dst_ref":8068,"variable_part_params":[{"name":"checksum","value":[64,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982963,"usec":864939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086164,"noise_level":-20.824585,"freq_skew":1.979844,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982964,"usec":612551},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070645,"noise_level":-21.181656,"freq_skew":4.154029,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1937,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34895,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[251,250]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982966,"usec":111603},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079728,"noise_level":-20.735527,"freq_skew":3.850766,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982966,"usec":872647},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970894,"noise_level":-20.456450,"freq_skew":4.051590,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1939,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34895,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[243,1]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982968,"usec":428653},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442646,"noise_level":-21.562653,"freq_skew":4.445387,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982968,"usec":429837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.295448,"noise_level":-22.186157,"freq_skew":4.122337,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982969,"usec":232040},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008058,"noise_level":-21.911255,"freq_skew":3.884785,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982971,"usec":493641},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858946,"noise_level":-23.097595,"freq_skew":2.391391,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":692,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":32934,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[79,47,93,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982973,"usec":765880},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.520858,"noise_level":-22.315006,"freq_skew":2.076855,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982975,"usec":280008},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008884,"noise_level":-22.010830,"freq_skew":2.786213,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982979,"usec":136912},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804613,"noise_level":-22.824486,"freq_skew":5.524041,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":714,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982979,"usec":877247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.450041,"noise_level":-23.525967,"freq_skew":4.169194,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982981,"usec":390629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189024,"noise_level":-24.500977,"freq_skew":4.135336,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982984,"usec":476885},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.910834,"noise_level":-23.004276,"freq_skew":6.219081,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982986,"usec":15903},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.200629,"noise_level":-24.556084,"freq_skew":4.040082,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1943,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982986,"usec":756107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.069372,"noise_level":-24.381725,"freq_skew":4.169888,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982992,"usec":131429},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587795,"noise_level":-23.499134,"freq_skew":4.739498,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":496,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[224,31,202,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788982998,"usec":239957},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061470,"noise_level":-21.286758,"freq_skew":3.921413,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55540,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[152,186]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983000,"usec":544790},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.107579,"noise_level":-22.711679,"freq_skew":3.950952,"avlc":{"src":{"addr":"408387","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":172,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":545,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[27,7,17,134]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983001,"usec":291887},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.645908,"noise_level":-22.523825,"freq_skew":4.030238,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983002,"usec":62992},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.058796,"noise_level":-22.142859,"freq_skew":2.265671,"avlc":{"src":{"addr":"3C56F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":695,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983003,"usec":625236},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577562,"noise_level":-23.480997,"freq_skew":4.864935,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983005,"usec":892542},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.337441,"noise_level":-23.648081,"freq_skew":3.358745,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENH","mode":"2","label":"_d","blk_id":"8","ack":"O","flight":"LH046K","msg_num":"S55","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983010,"usec":485429},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.096390,"noise_level":-25.959335,"freq_skew":-0.095984,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983018,"usec":143444},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.483254,"noise_level":-25.476479,"freq_skew":5.333720,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983018,"usec":148169},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346077,"noise_level":-25.772896,"freq_skew":5.443586,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EBCI"},{"name":"ac_location","value":{"loc":{"lat":47.600002,"lon":11.200000},"alt":0}},{"name":"alternate_ground_stations","value":["10FA7A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983022,"usec":741320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.644262,"noise_level":-24.228136,"freq_skew":4.211226,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983023,"usec":511573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419027,"noise_level":-23.680458,"freq_skew":4.399691,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983031,"usec":912224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.600925,"noise_level":-23.621836,"freq_skew":3.731012,"avlc":{"src":{"addr":"4D2351","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983032,"usec":644877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.658859,"noise_level":-23.298435,"freq_skew":4.666862,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983036,"usec":489755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909216,"noise_level":-22.720385,"freq_skew":1.696141,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983039,"usec":537029},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.560698,"noise_level":-22.212254,"freq_skew":3.816260,"avlc":{"src":{"addr":"4CADC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983039,"usec":564468},"freq":136975000,"burst_len_octets":137,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044371,"noise_level":-21.980066,"freq_skew":2.768916,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":false,"pdu_type":28,"pdu_type_name":"Data","src_nsap":[71,0,39,65,69,76,89,0,115,129,3,0,0,0,0,0,0,0,1,1],"dst_nsap":[71,0,39,129,131,70,82,0,1,67,67,1,67,69,83,45,65,84,72,1],"lifetime":50.000000,"flags":{"SP":true,"MS":false,"ER":false},"segmentation":{"pdu_id":141,"segment_offset":0,"pdu_total_len":117},"reasm_status":"skipped","options":[{"name":"lref","value":[1]},{"name":"priority","value":[8]},{"name":"security","value":{"reg_id":[6,4,43,27,0,0],"sec_info":[{"name":"traffic_type","value":{"type_id":1,"type_name":"ATN operational","category_id":1,"category_name":"ATSC","route_policy":1}}]}},{"name":"qos_maintenance","value":[192]}],"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":6,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[1,1]},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[124,194]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":6},{"name":"inactivity_timer_ms","value":360000}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983040,"usec":292083},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051162,"noise_level":-21.817940,"freq_skew":5.431355,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMB","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"FR6277","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983041,"usec":797751},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568654,"noise_level":-22.033379,"freq_skew":1.654971,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":237,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":9,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983042,"usec":560280},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740883,"noise_level":-21.584158,"freq_skew":5.212473,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983043,"usec":319016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756442,"noise_level":-21.536842,"freq_skew":5.567211,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983046,"usec":407432},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.227754,"noise_level":-21.586319,"freq_skew":3.154168,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":6,"dst_ref":41227,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[77,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983047,"usec":922105},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569168,"noise_level":-21.840908,"freq_skew":5.528023,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR01QA","msg_num":"S77","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983048,"usec":683209},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.626128,"noise_level":-21.493635,"freq_skew":5.794260,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMD","mode":"2","label":"_d","blk_id":"7","ack":"T","flight":"XQ07HJ","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983050,"usec":243412},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374766,"noise_level":-21.189547,"freq_skew":5.537202,"avlc":{"src":{"addr":"4D2246","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QEJ","mode":"2","label":"SA","blk_id":"2","ack":"!","flight":"FR01QA","msg_num":"S78","msg_num_seq":"A","msg_text":"0E21944082/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":19,"min":44,"sec":8}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983051,"usec":782528},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.357023,"noise_level":-20.565083,"freq_skew":5.780827,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983054,"usec":819687},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.441844,"noise_level":-20.047359,"freq_skew":4.167373,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55540,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[152,186]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983056,"usec":318238},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062007,"noise_level":-19.654631,"freq_skew":5.021854,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983057,"usec":882704},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662185,"noise_level":-21.079758,"freq_skew":3.997094,"avlc":{"src":{"addr":"4CADC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23126700","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,173,192,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983057,"usec":888067},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.006632,"noise_level":-21.609879,"freq_skew":4.078205,"avlc":{"src":{"addr":"3009B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983058,"usec":643659},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222766,"noise_level":-21.724024,"freq_skew":4.001628,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12499,"credit":4,"rseq":13,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":12,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[61,2,235,123]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983060,"usec":939523},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633241,"noise_level":-20.972637,"freq_skew":3.903951,"avlc":{"src":{"addr":"4CADC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3435,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983061,"usec":689722},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.288327,"noise_level":-22.089359,"freq_skew":4.172014,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983064,"usec":768735},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888181,"noise_level":-21.029787,"freq_skew":5.324920,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":288,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[166,49,103,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983066,"usec":312874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739201,"noise_level":-21.010130,"freq_skew":3.859287,"avlc":{"src":{"addr":"4CADC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983067,"usec":61454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490541,"noise_level":-21.889380,"freq_skew":5.934042,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983070,"usec":137141},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.471331,"noise_level":-23.215691,"freq_skew":3.949724,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983076,"usec":208160},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.302621,"noise_level":-22.246521,"freq_skew":3.803601,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[224,1,33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983083,"usec":849396},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720578,"noise_level":-22.133701,"freq_skew":3.720316,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEO","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH023C","msg_num":"S24","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983083,"usec":850333},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970191,"noise_level":-22.122604,"freq_skew":3.626071,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17062257","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,68,76,72,0,60,100,175,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983085,"usec":406899},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.893881,"noise_level":-23.228203,"freq_skew":3.744987,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983085,"usec":408078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.411440,"noise_level":-23.177965,"freq_skew":4.594625,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983086,"usec":920464},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.504153,"noise_level":-22.714655,"freq_skew":6.186149,"avlc":{"src":{"addr":"4D227E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3821,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12723,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[117,200]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983088,"usec":436451},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494596,"noise_level":-22.835455,"freq_skew":2.567102,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":8.500000},"alt":14000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983089,"usec":230607},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.553227,"noise_level":-24.895985,"freq_skew":4.850924,"avlc":{"src":{"addr":"3C786C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":439,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":11,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983090,"usec":8595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.823079,"noise_level":-24.789547,"freq_skew":4.321650,"avlc":{"src":{"addr":"4400B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983090,"usec":16201},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791617,"noise_level":-25.440607,"freq_skew":4.411141,"avlc":{"src":{"addr":"4400B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":160,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983094,"usec":571248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.406882,"noise_level":-26.779884,"freq_skew":5.250284,"avlc":{"src":{"addr":"4400E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983095,"usec":334255},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.974595,"noise_level":-26.228960,"freq_skew":5.587758,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983096,"usec":91835},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210193,"noise_level":-25.939615,"freq_skew":4.007977,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1944,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34895,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[232,91]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983097,"usec":664045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.789775,"noise_level":-25.532845,"freq_skew":0.066542,"avlc":{"src":{"addr":"452086","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983102,"usec":200154},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.355353,"noise_level":-28.097652,"freq_skew":1.896503,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983103,"usec":724524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.139562,"noise_level":-28.067972,"freq_skew":4.236065,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983106,"usec":835456},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866750,"noise_level":-25.985828,"freq_skew":2.503499,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":420,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983107,"usec":596623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.474759,"noise_level":-25.983000,"freq_skew":3.932375,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983109,"usec":103444},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897989,"noise_level":-25.469574,"freq_skew":0.244628,"avlc":{"src":{"addr":"452086","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983109,"usec":865284},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778011,"noise_level":-25.639685,"freq_skew":2.412339,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983112,"usec":192745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853487,"noise_level":-25.768412,"freq_skew":4.016575,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983119,"usec":44629},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726528,"noise_level":-24.223928,"freq_skew":3.323150,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":5.300000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983119,"usec":835026},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854689,"noise_level":-24.914928,"freq_skew":3.138592,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983120,"usec":591665},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.558331,"noise_level":-24.467766,"freq_skew":3.718759,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983122,"usec":90893},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940419,"noise_level":-24.841921,"freq_skew":2.297161,"avlc":{"src":{"addr":"440BCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNQ","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"QY9009","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983123,"usec":607264},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.036140,"noise_level":-24.128799,"freq_skew":3.482431,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983123,"usec":607920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777621,"noise_level":-24.775431,"freq_skew":3.704567,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983124,"usec":437251},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.701191,"noise_level":-24.109253,"freq_skew":0.146465,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983125,"usec":173712},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677881,"noise_level":-24.026009,"freq_skew":4.265666,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRP","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH0884","msg_num":"M55","msg_num_seq":"A","msg_text":"01011209252HI2I1-5UU)I1)CHAA7UG57K(J(7)*6CB+UUJ+JJ37G11YOO,3G3(+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983127,"usec":457046},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.536322,"noise_level":-24.133392,"freq_skew":2.545034,"avlc":{"src":{"addr":"440BCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983128,"usec":980166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641966,"noise_level":-25.502697,"freq_skew":3.340255,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983129,"usec":735579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.273865,"noise_level":-25.559017,"freq_skew":4.264525,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983132,"usec":46805},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851280,"noise_level":-26.144018,"freq_skew":2.165761,"avlc":{"src":{"addr":"78115F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":0,"retry":3}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"ZBAA"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":11.400001},"alt":255000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983132,"usec":54376},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.268259,"noise_level":-25.888147,"freq_skew":2.715650,"avlc":{"src":{"addr":"440BCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNQ","mode":"2","label":"_d","blk_id":"2","ack":"B","flight":"QY9009","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983134,"usec":334705},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556550,"noise_level":-26.474878,"freq_skew":3.091877,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983134,"usec":335625},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.798206,"noise_level":-26.474878,"freq_skew":2.630823,"avlc":{"src":{"addr":"440BCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983142,"usec":733892},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889469,"noise_level":-24.398481,"freq_skew":3.423023,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":861,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":77,"dst_ref":33071,"variable_part_params":[{"name":"atn_checksum","value":[93,18,219,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983142,"usec":745292},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.648902,"noise_level":-24.283939,"freq_skew":2.474617,"avlc":{"src":{"addr":"502D5C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":385,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983142,"usec":747866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007436,"noise_level":-24.255535,"freq_skew":5.847830,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983144,"usec":259807},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.748416,"noise_level":-23.670027,"freq_skew":3.088980,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983147,"usec":329409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.574086,"noise_level":-22.714975,"freq_skew":2.711913,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983148,"usec":844147},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.308838,"noise_level":-22.539108,"freq_skew":5.245006,"avlc":{"src":{"addr":"4B028F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983148,"usec":849852},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.247284,"noise_level":-22.286833,"freq_skew":2.755786,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8130,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[89,32]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":45,"sec":48}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983150,"usec":376384},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.653486,"noise_level":-21.792566,"freq_skew":3.017479,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983150,"usec":376543},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794486,"noise_level":-21.792566,"freq_skew":4.070137,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23221101","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,77,34,65,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983151,"usec":941555},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869309,"noise_level":-22.783480,"freq_skew":4.128737,"avlc":{"src":{"addr":"4D2241","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983154,"usec":240786},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964569,"noise_level":-23.593216,"freq_skew":3.483821,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNU","mode":"2","label":"_d","blk_id":"4","ack":"A","flight":"LH081C","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983154,"usec":986073},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.850696,"noise_level":-24.124649,"freq_skew":5.430573,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983155,"usec":752725},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601510,"noise_level":-24.476482,"freq_skew":3.156346,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.400000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983158,"usec":50829},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133437,"noise_level":-24.097603,"freq_skew":3.043273,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNU","mode":"2","label":"_d","blk_id":"4","ack":"A","flight":"LH081C","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983158,"usec":67997},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594608,"noise_level":-23.945793,"freq_skew":4.821497,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":658,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983158,"usec":81480},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833870,"noise_level":-23.783157,"freq_skew":5.426135,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":290,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[166,49,103,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983164,"usec":125953},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447698,"noise_level":-23.341576,"freq_skew":4.858410,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983166,"usec":447785},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674266,"noise_level":-23.440779,"freq_skew":5.190011,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[41,228,86,185]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33090,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[215,166,175,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":46,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983166,"usec":449514},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352389,"noise_level":-23.415001,"freq_skew":2.870158,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":155,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8130,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[254,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":46,"sec":5}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983166,"usec":459407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.328158,"noise_level":-23.224241,"freq_skew":4.738462,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983167,"usec":974560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.983975,"noise_level":-25.972357,"freq_skew":2.619766,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983167,"usec":998537},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.312197,"noise_level":-25.683521,"freq_skew":3.342758,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983168,"usec":1286},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928607,"noise_level":-25.650166,"freq_skew":3.988879,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983179,"usec":461940},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.296516,"noise_level":-21.660702,"freq_skew":2.977375,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983179,"usec":476402},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377855,"noise_level":-21.545788,"freq_skew":-0.089883,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983180,"usec":219264},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.985668,"noise_level":-22.434109,"freq_skew":5.201456,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33090,"credit":4,"rseq":12,"variable_part_params":[{"name":"atn_checksum","value":[211,126,186,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983180,"usec":219264},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":1,"sig_level":-4.985668,"noise_level":-22.434109,"freq_skew":5.201456,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":294,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33090,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[124,42,216,93]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983180,"usec":227996},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.614294,"noise_level":-22.342628,"freq_skew":-0.123082,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983180,"usec":977963},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980845,"noise_level":-22.943010,"freq_skew":5.339343,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":296,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":33090,"variable_part_params":[{"name":"atn_checksum","value":[209,217,61,168]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983181,"usec":739432},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.729953,"noise_level":-22.667088,"freq_skew":2.520845,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":424,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12767,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[7,253,159,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983182,"usec":514687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605886,"noise_level":-22.929831,"freq_skew":2.324630,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983187,"usec":865857},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810127,"noise_level":-23.515596,"freq_skew":3.793420,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEO","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"LH023C","msg_num":"D22","msg_num_seq":"D","sublabel":"DF","msg_text":",007,000,024,0/S34761,5211,026,N03,151,42,00247,2/T34682,5266,024,000,187,42,00243,2/X35081,00150,000,018,041,018,072,2/E40848,0915,56,179,006,000,017,0/N40844,0914,56,180,007,000,004,0/S44946,5577,024,N01,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983188,"usec":637054},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203548,"noise_level":-23.244095,"freq_skew":2.751120,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[32,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983189,"usec":372370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.222452,"noise_level":-23.156206,"freq_skew":1.929741,"avlc":{"src":{"addr":"78115F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983190,"usec":126312},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931814,"noise_level":-24.482391,"freq_skew":2.060649,"avlc":{"src":{"addr":"78115F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,67,65,0,120,17,95,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983192,"usec":449472},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592190,"noise_level":-23.920559,"freq_skew":3.786756,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEO","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LH023C","msg_num":"D22","msg_num_seq":"H","sublabel":"DF","msg_text":"013,N06,148,40,01735,2/V80177,0130,00496,00352,211,218,221,0/X84881,00450,006,014,034,021,017,2/E90861,0925,51,143,010,000,022,0/N90857,0923,51,117,040,000,020,0/S95011,5901,017,N03,162,41,02124,2/T94928,59"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983192,"usec":450439},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474842,"noise_level":-23.879734,"freq_skew":4.269187,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":499,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[224,31,202,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983193,"usec":972661},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982119,"noise_level":-23.429958,"freq_skew":2.781119,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8130,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[32,200]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983193,"usec":974083},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574765,"noise_level":-23.417076,"freq_skew":3.206467,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983195,"usec":489701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127645,"noise_level":-23.656570,"freq_skew":2.115541,"avlc":{"src":{"addr":"78115F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983195,"usec":490677},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.618397,"noise_level":-23.643349,"freq_skew":2.372545,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983197,"usec":770669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.255166,"noise_level":-27.278013,"freq_skew":4.387582,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983200,"usec":118112},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723971,"noise_level":-27.935558,"freq_skew":3.622715,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983200,"usec":873079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708262,"noise_level":-27.349392,"freq_skew":5.214969,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983206,"usec":967090},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975116,"noise_level":-25.390079,"freq_skew":2.568184,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983206,"usec":970291},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925234,"noise_level":-25.770840,"freq_skew":0.864373,"avlc":{"src":{"addr":"4BCE06","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983215,"usec":396259},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140072,"noise_level":-23.313810,"freq_skew":3.467017,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":47,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983216,"usec":897207},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.388055,"noise_level":-22.964737,"freq_skew":3.126004,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983217,"usec":670538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377026,"noise_level":-22.477650,"freq_skew":2.772276,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983219,"usec":222212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507478,"noise_level":-23.609493,"freq_skew":3.833721,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983220,"usec":731473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897409,"noise_level":-22.926369,"freq_skew":3.462372,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983224,"usec":532006},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.715221,"noise_level":-22.140015,"freq_skew":4.433781,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983228,"usec":384176},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.898568,"noise_level":-23.813122,"freq_skew":5.481023,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"W608BC","msg_num":"M66","msg_num_seq":"A","msg_text":"/EDDK.TI2/040EDDKAC19E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983228,"usec":408868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877236,"noise_level":-23.587040,"freq_skew":5.030011,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983230,"usec":653110},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573236,"noise_level":-24.208633,"freq_skew":2.432214,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":430,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12770,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[24,46,4,38]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12770,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[117,249,101,134]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":47,"sec":9}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983230,"usec":679785},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347931,"noise_level":-23.876633,"freq_skew":2.447316,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983231,"usec":434335},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794734,"noise_level":-25.486261,"freq_skew":4.281210,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCF","mode":"2","label":"16","blk_id":"8","ack":"!","flight":"PC870X","msg_num":"M79","msg_num_seq":"A","msg_text":"PC870X/09SEP26 19:47:06,37000,2249, 192,N 49.627 E 9.675"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983232,"usec":994210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959824,"noise_level":-26.200018,"freq_skew":4.472992,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983233,"usec":753657},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.534249,"noise_level":-25.767595,"freq_skew":5.402723,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"_d","blk_id":"6","ack":"T","flight":"W608BC","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983234,"usec":520949},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891524,"noise_level":-26.064512,"freq_skew":2.732135,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983235,"usec":253375},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.013707,"noise_level":-25.806482,"freq_skew":-0.087157,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983240,"usec":617724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343369,"noise_level":-25.530443,"freq_skew":6.117507,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983245,"usec":974391},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765437,"noise_level":-24.009636,"freq_skew":4.043405,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983247,"usec":498313},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587092,"noise_level":-23.861717,"freq_skew":5.975537,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,193,131,80,84,0,73,13,134,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983248,"usec":278462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824037,"noise_level":-23.348755,"freq_skew":6.111646,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983251,"usec":291749},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778229,"noise_level":-23.952047,"freq_skew":5.857130,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..CSCLF","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"GS0001","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983252,"usec":853085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856377,"noise_level":-24.516045,"freq_skew":6.061413,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983255,"usec":918033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.756720,"noise_level":-23.632586,"freq_skew":2.874308,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983259,"usec":745964},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066149,"noise_level":-24.369123,"freq_skew":3.150433,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983261,"usec":263417},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976966,"noise_level":-24.931892,"freq_skew":3.759971,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983261,"usec":274561},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136768,"noise_level":-25.514071,"freq_skew":3.329156,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983262,"usec":19960},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956715,"noise_level":-25.400106,"freq_skew":3.691265,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983262,"usec":29687},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551367,"noise_level":-26.029303,"freq_skew":3.801507,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983264,"usec":294138},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702371,"noise_level":-27.391811,"freq_skew":3.645221,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983265,"usec":855552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754874,"noise_level":-26.455845,"freq_skew":2.634795,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983265,"usec":856931},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910341,"noise_level":-26.383095,"freq_skew":3.936075,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983268,"usec":137169},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596347,"noise_level":-25.870907,"freq_skew":3.434280,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983269,"usec":685491},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767185,"noise_level":-25.252283,"freq_skew":2.090180,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":703,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":10,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983271,"usec":192176},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582946,"noise_level":-26.257175,"freq_skew":4.815170,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983271,"usec":937680},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056596,"noise_level":-26.062996,"freq_skew":3.693860,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983275,"usec":27179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966156,"noise_level":-25.655813,"freq_skew":3.443052,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983276,"usec":555395},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373314,"noise_level":-24.739725,"freq_skew":4.968120,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983277,"usec":302533},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030673,"noise_level":-24.503134,"freq_skew":-0.117879,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983277,"usec":319119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748623,"noise_level":-24.272816,"freq_skew":4.628350,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983278,"usec":65881},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487795,"noise_level":-24.062302,"freq_skew":6.154665,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983278,"usec":823219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.559988,"noise_level":-24.899284,"freq_skew":0.089475,"avlc":{"src":{"addr":"4BCE45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983278,"usec":842150},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573490,"noise_level":-24.628717,"freq_skew":6.160870,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22206606","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,131,80,84,0,73,13,134,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983281,"usec":894552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.076457,"noise_level":-23.482819,"freq_skew":5.319468,"avlc":{"src":{"addr":"4B028F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983282,"usec":655163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884470,"noise_level":-23.015692,"freq_skew":6.114498,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983283,"usec":412868},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894493,"noise_level":-24.741917,"freq_skew":6.196416,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983284,"usec":172462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663715,"noise_level":-24.476131,"freq_skew":2.583526,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983287,"usec":273158},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.266253,"noise_level":-25.359795,"freq_skew":4.258563,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983288,"usec":35377},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.524535,"noise_level":-25.341793,"freq_skew":4.065158,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983289,"usec":537650},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.303959,"noise_level":-25.602867,"freq_skew":4.122527,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983290,"usec":319502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.025992,"noise_level":-25.877518,"freq_skew":3.979831,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983291,"usec":839432},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400887,"noise_level":-25.612396,"freq_skew":4.127038,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[224,31,202,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983292,"usec":589088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331065,"noise_level":-25.664425,"freq_skew":2.577453,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983293,"usec":386818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-13.123275,"noise_level":-26.308592,"freq_skew":5.129996,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983293,"usec":394005},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032952,"noise_level":-26.219263,"freq_skew":4.779493,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983294,"usec":915521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547315,"noise_level":-25.845373,"freq_skew":5.360996,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983298,"usec":691357},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.530114,"noise_level":-25.923790,"freq_skew":4.087665,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":500,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":3,"rseq":8,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[224,31,202,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983309,"usec":435378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999526,"noise_level":-23.550318,"freq_skew":3.409618,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983310,"usec":934381},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.229826,"noise_level":-23.527861,"freq_skew":4.920495,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QDJ","mode":"2","label":"16","blk_id":"4","ack":"!","flight":"FR02RG","msg_num":"M02","msg_num_seq":"A","msg_text":"194829,77760,2003, 80,N 50.535 E 6.233"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983315,"usec":572816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316847,"noise_level":-23.136513,"freq_skew":4.891034,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983317,"usec":815177},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.595814,"noise_level":-23.259480,"freq_skew":5.115400,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983318,"usec":590296},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486427,"noise_level":-23.014347,"freq_skew":4.893895,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983318,"usec":596666},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.671808,"noise_level":-22.953114,"freq_skew":4.862257,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983320,"usec":134369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748296,"noise_level":-22.261410,"freq_skew":5.428679,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"_d","blk_id":"3","ack":"J","flight":"LH08LP","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983322,"usec":424941},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602809,"noise_level":-22.680712,"freq_skew":2.251768,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH08HX","msg_num":"D24","msg_num_seq":"G","sublabel":"DF","msg_text":"40,19500,2/T73435,5866,010,012,142,40,19525,2/V70040,N182,02544,00000,230,213,212,0/X70901,00500,N10,018,049,031,008,1/S83409,5895,013,017,158,40,20245,2/T83384,5864,010,012,142,40,20268,2/V80025,N200,02688"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983325,"usec":455278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136776,"noise_level":-23.919750,"freq_skew":4.838454,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983327,"usec":780241},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876508,"noise_level":-23.243675,"freq_skew":2.416301,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983330,"usec":75016},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.514722,"noise_level":-23.210262,"freq_skew":1.637233,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":332,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983330,"usec":836509},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390709,"noise_level":-22.913704,"freq_skew":2.445379,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":433,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12770,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[144,224,67,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983330,"usec":838063},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.239139,"noise_level":-23.520773,"freq_skew":5.171153,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983333,"usec":912940},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575855,"noise_level":-22.277582,"freq_skew":5.049041,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983336,"usec":196501},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.149922,"noise_level":-23.064075,"freq_skew":1.730647,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983338,"usec":472168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971139,"noise_level":-22.395996,"freq_skew":1.647976,"avlc":{"src":{"addr":"3C56EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983342,"usec":299985},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003709,"noise_level":-23.425457,"freq_skew":4.151415,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVZ","mode":"2","label":"5U","blk_id":"3","ack":"!","flight":"EC71EJ","msg_num":"M94","msg_num_seq":"A","msg_text":"LSZH LFSB LIMC LIML-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983343,"usec":55436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.635792,"noise_level":-23.134039,"freq_skew":4.305208,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983343,"usec":58115},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441460,"noise_level":-23.332026,"freq_skew":4.916495,"avlc":{"src":{"addr":"3C48F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983343,"usec":816495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.339918,"noise_level":-23.670549,"freq_skew":3.993061,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983348,"usec":419823},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927542,"noise_level":-22.951679,"freq_skew":3.266043,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":862,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983348,"usec":447777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128482,"noise_level":-23.039249,"freq_skew":2.196996,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983349,"usec":207904},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171895,"noise_level":-22.712692,"freq_skew":2.227117,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983349,"usec":942602},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701294,"noise_level":-23.281921,"freq_skew":4.245656,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":503,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[94,202,44,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983352,"usec":990461},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468481,"noise_level":-23.458347,"freq_skew":4.749730,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANMY","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"DE08HL","msg_num":"S27","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983353,"usec":780087},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705539,"noise_level":-23.429327,"freq_skew":4.246274,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVZ","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"EC71EJ","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983355,"usec":294697},"freq":136975000,"burst_len_octets":97,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990579,"noise_level":-23.770514,"freq_skew":3.550753,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENH","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH046K","msg_num":"M48","msg_num_seq":"A","msg_text":"00038209273HAKP*PE00AK(64K3D3+R+4MOOBVHD*,W,MXXHQYY7B"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983355,"usec":295835},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887071,"noise_level":-23.730383,"freq_skew":5.444689,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983355,"usec":297599},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955711,"noise_level":-23.793190,"freq_skew":3.732890,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33169,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[112,169,126,22]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983357,"usec":578644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993028,"noise_level":-23.430187,"freq_skew":1.699766,"avlc":{"src":{"addr":"78115F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983362,"usec":953813},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068461,"noise_level":-24.034578,"freq_skew":6.049623,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983364,"usec":458298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688857,"noise_level":-24.589396,"freq_skew":5.563677,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983371,"usec":339673},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837214,"noise_level":-22.657701,"freq_skew":3.932879,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":124,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33169,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[197,118,176,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983375,"usec":956223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208126,"noise_level":-23.425369,"freq_skew":2.520330,"avlc":{"src":{"addr":"3C56EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983381,"usec":308358},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704828,"noise_level":-21.369684,"freq_skew":4.726460,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12713,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[216,145,214,81]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983383,"usec":606539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.173957,"noise_level":-20.536375,"freq_skew":3.446261,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983384,"usec":350334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.141506,"noise_level":-20.398880,"freq_skew":5.622370,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983401,"usec":183930},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717558,"noise_level":-18.939001,"freq_skew":1.270861,"avlc":{"src":{"addr":"344195","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983411,"usec":875591},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628722,"noise_level":-19.589743,"freq_skew":3.874693,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983412,"usec":623242},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.667519,"noise_level":-21.512432,"freq_skew":4.923698,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983424,"usec":121331},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701378,"noise_level":-22.184471,"freq_skew":3.462506,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983424,"usec":879462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.341322,"noise_level":-23.716040,"freq_skew":4.689533,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983432,"usec":499646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329285,"noise_level":-21.411236,"freq_skew":2.910662,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983433,"usec":255467},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.441119,"noise_level":-22.203960,"freq_skew":3.750422,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983436,"usec":368259},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028042,"noise_level":-23.418209,"freq_skew":3.264487,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983439,"usec":401540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013387,"noise_level":-22.630238,"freq_skew":3.021084,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983440,"usec":147041},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605359,"noise_level":-22.444118,"freq_skew":4.129820,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983440,"usec":154914},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585914,"noise_level":-23.407440,"freq_skew":4.919003,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RFH","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"PC1592","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983440,"usec":158348},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503855,"noise_level":-23.875086,"freq_skew":6.014763,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983440,"usec":924902},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877353,"noise_level":-24.432695,"freq_skew":4.888641,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983445,"usec":497214},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391365,"noise_level":-22.808535,"freq_skew":4.218574,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":505,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12702,"credit":4,"rseq":10,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[139,14,190,163]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983447,"usec":12704},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.670375,"noise_level":-22.364035,"freq_skew":3.112154,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":183,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983448,"usec":582394},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768256,"noise_level":-24.272936,"freq_skew":4.827866,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983449,"usec":337253},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587619,"noise_level":-25.044682,"freq_skew":4.185275,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983449,"usec":341123},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748418,"noise_level":-24.829994,"freq_skew":6.593588,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJL","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"EN06PT","msg_num":"M64","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983450,"usec":105460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564536,"noise_level":-24.664957,"freq_skew":4.026688,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983452,"usec":401267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999288,"noise_level":-25.256912,"freq_skew":6.716691,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983453,"usec":165603},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091116,"noise_level":-24.747143,"freq_skew":2.884448,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983453,"usec":916607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403014,"noise_level":-24.466663,"freq_skew":4.744711,"avlc":{"src":{"addr":"3C79B9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983457,"usec":761379},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.425390,"noise_level":-24.531475,"freq_skew":4.895398,"avlc":{"src":{"addr":"4D2264","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":659,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983463,"usec":100998},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046477,"noise_level":-23.751432,"freq_skew":6.636755,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-ADJL","mode":"2","label":"_d","blk_id":"3","ack":"U","flight":"EN06PT","msg_num":"M66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983468,"usec":469501},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.513447,"noise_level":-23.186604,"freq_skew":3.654158,"avlc":{"src":{"addr":"44093E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983469,"usec":225210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095568,"noise_level":-22.842505,"freq_skew":4.632464,"avlc":{"src":{"addr":"3C49C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983472,"usec":273974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.084753,"noise_level":-22.770861,"freq_skew":3.131556,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983472,"usec":278160},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918931,"noise_level":-23.495708,"freq_skew":2.958238,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8130,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[27,28]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983474,"usec":560554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677834,"noise_level":-22.874081,"freq_skew":3.419932,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983477,"usec":621095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.888903,"noise_level":-21.884457,"freq_skew":5.644736,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983484,"usec":516166},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.423203,"noise_level":-21.090204,"freq_skew":4.534662,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":269,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983486,"usec":791818},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.623169,"noise_level":-20.829393,"freq_skew":4.972955,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983486,"usec":795015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.248680,"noise_level":-21.144043,"freq_skew":4.769934,"avlc":{"src":{"addr":"3C4906","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983489,"usec":867266},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.314017,"noise_level":-20.809210,"freq_skew":5.560934,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983489,"usec":889887},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352593,"noise_level":-21.476398,"freq_skew":3.024523,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.600002,"lon":6.300000},"alt":19000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983491,"usec":380487},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709589,"noise_level":-21.034821,"freq_skew":4.642081,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983499,"usec":795896},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019780,"noise_level":-20.266941,"freq_skew":4.108986,"avlc":{"src":{"addr":"4CADC0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983500,"usec":551466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.602083,"noise_level":-20.570448,"freq_skew":3.196340,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983508,"usec":986518},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450210,"noise_level":-21.950024,"freq_skew":4.598148,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":305,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983508,"usec":989093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650089,"noise_level":-22.552494,"freq_skew":5.428706,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983516,"usec":655446},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566632,"noise_level":-23.191837,"freq_skew":4.673263,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983517,"usec":391189},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086383,"noise_level":-23.179304,"freq_skew":3.721011,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983518,"usec":172816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807632,"noise_level":-24.519627,"freq_skew":3.117433,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":48,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983520,"usec":426125},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468455,"noise_level":-25.197584,"freq_skew":3.129061,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983521,"usec":180149},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821208,"noise_level":-24.996674,"freq_skew":2.887322,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8130,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[49,116]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":51,"sec":56}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983523,"usec":506560},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.202661,"noise_level":-24.824965,"freq_skew":2.730905,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":168,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8130,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[24,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983523,"usec":511044},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.174839,"noise_level":-24.690304,"freq_skew":2.980570,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983525,"usec":39087},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030057,"noise_level":-24.695065,"freq_skew":3.867126,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":245,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":52,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983525,"usec":788671},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644652,"noise_level":-25.967606,"freq_skew":4.174851,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983529,"usec":641780},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722653,"noise_level":-25.001583,"freq_skew":4.777481,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983533,"usec":435513},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.851373,"noise_level":-24.276054,"freq_skew":4.066905,"avlc":{"src":{"addr":"48ADA7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983534,"usec":195862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999345,"noise_level":-24.458210,"freq_skew":4.285909,"avlc":{"src":{"addr":"4BB866","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983538,"usec":793783},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034176,"noise_level":-24.280016,"freq_skew":5.928276,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983548,"usec":721998},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.314219,"noise_level":-23.369205,"freq_skew":4.167243,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983554,"usec":835919},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.221568,"noise_level":-23.578339,"freq_skew":4.997031,"avlc":{"src":{"addr":"3C786B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D478","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANCK","mode":"2","label":"_d","blk_id":"6","ack":"U","flight":"DE07YT","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983557,"usec":154008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578047,"noise_level":-23.040951,"freq_skew":2.417815,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983562,"usec":519091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006720,"noise_level":-23.880508,"freq_skew":3.715024,"avlc":{"src":{"addr":"3C6678","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983563,"usec":278626},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908593,"noise_level":-23.652691,"freq_skew":4.738887,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-RFH","mode":"2","label":"_d","blk_id":"5","ack":"K","flight":"PC1592","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983565,"usec":543175},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752635,"noise_level":-23.596334,"freq_skew":5.292170,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983568,"usec":581525},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370180,"noise_level":-23.138012,"freq_skew":5.205081,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":623,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12804,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[122,30]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983568,"usec":581587},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.439502,"noise_level":-24.085234,"freq_skew":3.061264,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983570,"usec":927881},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.404491,"noise_level":-23.729118,"freq_skew":2.743273,"avlc":{"src":{"addr":"3C49D5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNU","mode":"2","label":"_d","blk_id":"5","ack":"D","flight":"LH081C","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983573,"usec":952862},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060143,"noise_level":-24.980900,"freq_skew":2.020493,"avlc":{"src":{"addr":"4D2088","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983576,"usec":250109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938157,"noise_level":-23.973425,"freq_skew":3.393990,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983577,"usec":42835},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008345,"noise_level":-24.727280,"freq_skew":5.666394,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":671,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33199,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[189,91,28,241]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983583,"usec":909001},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813088,"noise_level":-22.788794,"freq_skew":5.243004,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983586,"usec":205461},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.169518,"noise_level":-21.912479,"freq_skew":6.072539,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983599,"usec":959659},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285573,"noise_level":-18.614252,"freq_skew":5.443518,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D465","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983602,"usec":274564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.301383,"noise_level":-18.518169,"freq_skew":5.263749,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D465","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983603,"usec":809610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920975,"noise_level":-18.681564,"freq_skew":5.320339,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983604,"usec":565674},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938062,"noise_level":-18.580612,"freq_skew":5.030017,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983625,"usec":201232},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.041683,"noise_level":-15.363116,"freq_skew":4.523548,"avlc":{"src":{"addr":"4BB4E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983631,"usec":342875},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253992,"noise_level":-19.187248,"freq_skew":2.813797,"avlc":{"src":{"addr":"408034","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-SUNL","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LS021V","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983631,"usec":342875},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.253992,"noise_level":-19.187248,"freq_skew":2.813797,"avlc":{"src":{"addr":"408034","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100064","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,88,83,0,64,128,52,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983632,"usec":104462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.396614,"noise_level":-19.286661,"freq_skew":3.045971,"avlc":{"src":{"addr":"408034","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983636,"usec":660484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.755570,"noise_level":-21.495987,"freq_skew":5.676255,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983638,"usec":227497},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.134089,"noise_level":-20.985062,"freq_skew":4.062535,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IVZ","mode":"2","label":"8D","blk_id":"2","ack":"!","flight":"EC71EJ","msg_num":"M96","msg_num_seq":"A","msg_text":"0051,93,0003,89,----,---,0054,2032,EDDF,LIML\r\n\r\n\r\n\r\n\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983647,"usec":362630},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.007908,"noise_level":-19.553499,"freq_skew":2.890541,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26B117","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983649,"usec":642022},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.733477,"noise_level":-19.698311,"freq_skew":3.226762,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983649,"usec":654544},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.942959,"noise_level":-20.424011,"freq_skew":5.309385,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983651,"usec":213302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541450,"noise_level":-20.940104,"freq_skew":5.441955,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983654,"usec":257909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421509,"noise_level":-20.436394,"freq_skew":4.444921,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983655,"usec":4896},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901912,"noise_level":-20.656818,"freq_skew":5.655447,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":672,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33199,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[209,91,107,228]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983655,"usec":28463},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509887,"noise_level":-20.535877,"freq_skew":5.130814,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983657,"usec":268989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214641,"noise_level":-21.322163,"freq_skew":3.254946,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983658,"usec":834106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006124,"noise_level":-21.036165,"freq_skew":3.006975,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983660,"usec":375031},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.803322,"noise_level":-21.328547,"freq_skew":2.766978,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,76,89,0,115,129,3,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983661,"usec":884281},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.230350,"noise_level":-20.932837,"freq_skew":2.788662,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":170,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":11,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983664,"usec":192732},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.994048,"noise_level":-20.298923,"freq_skew":4.502468,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXT","mode":"2","label":"Q6","blk_id":"3","ack":"!","flight":"DS23HQ","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983664,"usec":966417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.350398,"noise_level":-20.172905,"freq_skew":4.030848,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983668,"usec":14745},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.729609,"noise_level":-19.910648,"freq_skew":4.398721,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JXT","mode":"2","label":"Q6","blk_id":"3","ack":"!","flight":"DS23HQ","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983671,"usec":832087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034935,"noise_level":-18.943489,"freq_skew":4.221572,"avlc":{"src":{"addr":"4402AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983673,"usec":350955},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133008,"noise_level":-19.405254,"freq_skew":4.209718,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983674,"usec":888852},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882798,"noise_level":-19.351347,"freq_skew":2.992905,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8130,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[156,215]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":54,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983676,"usec":397854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.466001,"noise_level":-19.213358,"freq_skew":3.054490,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983678,"usec":744736},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063684,"noise_level":-20.559238,"freq_skew":4.452532,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983679,"usec":491540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604251,"noise_level":-21.651114,"freq_skew":2.990665,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983681,"usec":774827},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195134,"noise_level":-21.968443,"freq_skew":4.357897,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983681,"usec":788864},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.688765,"noise_level":-22.983437,"freq_skew":4.754631,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983682,"usec":544686},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.681658,"noise_level":-22.670736,"freq_skew":4.429212,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983683,"usec":286994},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327013,"noise_level":-22.506908,"freq_skew":6.179759,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4122,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[77,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983684,"usec":37530},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.335186,"noise_level":-23.426008,"freq_skew":4.496026,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":730,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983684,"usec":63836},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.314349,"noise_level":-23.122120,"freq_skew":5.985176,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[73,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983684,"usec":863088},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152724,"noise_level":-23.733116,"freq_skew":4.460598,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983687,"usec":112918},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.951877,"noise_level":-22.954716,"freq_skew":3.106914,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENH","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH046K","msg_num":"M50","msg_num_seq":"A","msg_text":"00039234279OCYBF(SOR)KKZ7-KK1,25,M"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983687,"usec":113904},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256266,"noise_level":-23.110126,"freq_skew":2.657937,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8130,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[16,212]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983688,"usec":637078},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727805,"noise_level":-22.823133,"freq_skew":3.210193,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983692,"usec":498075},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.801908,"noise_level":-21.457613,"freq_skew":5.325950,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH004T","msg_num":"C79","msg_num_seq":"A","sublabel":"CF","msg_text":"XOT/X8VSX6X:8:5300J9JJMJKB2M5F,/L,149DJ1\r"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983694,"usec":759607},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349580,"noise_level":-21.769831,"freq_skew":5.448108,"avlc":{"src":{"addr":"4BCCAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983703,"usec":920673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662373,"noise_level":-21.328522,"freq_skew":5.374699,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983707,"usec":4486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206702,"noise_level":-22.829643,"freq_skew":5.224627,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983707,"usec":23975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163622,"noise_level":-22.662821,"freq_skew":5.594554,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983709,"usec":291113},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.550412,"noise_level":-21.960278,"freq_skew":5.496446,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"W608BC","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983710,"usec":48311},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187250,"noise_level":-21.702885,"freq_skew":5.275472,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983710,"usec":813806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836155,"noise_level":-22.106602,"freq_skew":5.354487,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983716,"usec":921015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.285295,"noise_level":-23.401562,"freq_skew":4.251451,"avlc":{"src":{"addr":"4D240F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983720,"usec":801257},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809588,"noise_level":-23.433376,"freq_skew":3.024207,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983721,"usec":547929},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243370,"noise_level":-23.216846,"freq_skew":4.691867,"avlc":{"src":{"addr":"48ADAE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-LNO","mode":"2","label":"B9","blk_id":"3","ack":"!","flight":"LO0405","msg_num":"M93","msg_num_seq":"A","msg_text":"/EDDL.TI2/024EDDLAFF8D"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983724,"usec":581632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.606912,"noise_level":-22.352299,"freq_skew":5.350940,"avlc":{"src":{"addr":"490D86","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983731,"usec":439724},"freq":136975000,"burst_len_octets":109,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711535,"noise_level":-21.150364,"freq_skew":5.171616,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LVQ","mode":"2","label":"17","blk_id":"9","ack":"!","flight":"W608AH","msg_num":"M46","msg_num_seq":"A","msg_text":"195524,3578,1958, 6600,N 49.492,E 11.307,09SEP26,28744, 17, 9"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983732,"usec":251403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415113,"noise_level":-21.649420,"freq_skew":5.160728,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983734,"usec":545901},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.461711,"noise_level":-21.949448,"freq_skew":4.348639,"avlc":{"src":{"addr":"4B1A2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983738,"usec":390376},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797748,"noise_level":-22.461170,"freq_skew":5.487597,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983739,"usec":895876},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.359998,"noise_level":-22.391487,"freq_skew":5.862269,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983740,"usec":648247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945732,"noise_level":-22.154524,"freq_skew":5.972130,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983742,"usec":948684},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.176495,"noise_level":-22.387030,"freq_skew":2.648491,"avlc":{"src":{"addr":"408034","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983744,"usec":453199},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.855373,"noise_level":-22.047003,"freq_skew":2.878416,"avlc":{"src":{"addr":"3C6595","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILU","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH1556","msg_num":"M13","msg_num_seq":"A","msg_text":"00010209285KOJOVAYVV00+7A3J1KH--4JJDET MB0LLOA8DHQ8B:E**R,K,9+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983746,"usec":765856},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.803125,"noise_level":-21.299505,"freq_skew":3.257143,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":189,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983749,"usec":811224},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.969783,"noise_level":-20.354174,"freq_skew":4.550232,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983757,"usec":471811},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735893,"noise_level":-19.540968,"freq_skew":5.675165,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":5.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983758,"usec":227557},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.901213,"noise_level":-19.535143,"freq_skew":5.640449,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"4X020H","msg_num":"S75","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983758,"usec":227557},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.901213,"noise_level":-19.535143,"freq_skew":5.640449,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23222167","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,77,76,72,0,77,36,119,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983758,"usec":981043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.733074,"noise_level":-19.791159,"freq_skew":2.700119,"avlc":{"src":{"addr":"408034","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983758,"usec":983325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.980064,"noise_level":-19.774216,"freq_skew":5.548707,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983759,"usec":789388},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554954,"noise_level":-19.565172,"freq_skew":3.129673,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983771,"usec":996349},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514657,"noise_level":-19.144056,"freq_skew":5.266732,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"B9","blk_id":"1","ack":"!","flight":"W608BC","msg_num":"M69","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983773,"usec":571323},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666886,"noise_level":-19.807325,"freq_skew":5.643794,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":372,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33132,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[23,167,4,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983777,"usec":325973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748608,"noise_level":-19.826614,"freq_skew":5.416118,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983779,"usec":652994},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740027,"noise_level":-20.164211,"freq_skew":5.566212,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"W608BC","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983781,"usec":962185},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458032,"noise_level":-19.992430,"freq_skew":5.811402,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"W601VX","msg_num":"S25","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983782,"usec":695148},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699135,"noise_level":-20.900381,"freq_skew":5.426833,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"W608BC","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983790,"usec":333131},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.560965,"noise_level":-19.987091,"freq_skew":3.250013,"avlc":{"src":{"addr":"3C48EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983791,"usec":847370},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176232,"noise_level":-19.597017,"freq_skew":6.056289,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983792,"usec":606491},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.720868,"noise_level":-19.367884,"freq_skew":3.470149,"avlc":{"src":{"addr":"3C48EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983795,"usec":699657},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.662401,"noise_level":-19.213060,"freq_skew":5.206765,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983801,"usec":81855},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742003,"noise_level":-18.450214,"freq_skew":5.474967,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":373,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983803,"usec":359343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599731,"noise_level":-17.914799,"freq_skew":5.596427,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983804,"usec":855356},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253301,"noise_level":-18.446747,"freq_skew":5.798088,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983805,"usec":606994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035746,"noise_level":-19.157127,"freq_skew":5.564647,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983806,"usec":415717},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536925,"noise_level":-18.939169,"freq_skew":5.303239,"avlc":{"src":{"addr":"44CE75","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":676,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33199,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[204,245,206,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983808,"usec":690663},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800266,"noise_level":-18.482456,"freq_skew":4.125575,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983814,"usec":75636},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396393,"noise_level":-18.270777,"freq_skew":5.998434,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4126,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[69,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983815,"usec":596263},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338244,"noise_level":-20.410364,"freq_skew":5.301781,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983820,"usec":939253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836092,"noise_level":-22.092014,"freq_skew":5.707795,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983820,"usec":939750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.939301,"noise_level":-22.080971,"freq_skew":2.948275,"avlc":{"src":{"addr":"3C55C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983820,"usec":941571},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.030614,"noise_level":-22.025955,"freq_skew":3.352929,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983826,"usec":327528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361249,"noise_level":-21.677700,"freq_skew":5.714589,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983828,"usec":605001},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852950,"noise_level":-21.955441,"freq_skew":3.330664,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983830,"usec":105091},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870693,"noise_level":-22.643368,"freq_skew":4.524282,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983833,"usec":961441},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915364,"noise_level":-22.404408,"freq_skew":4.985771,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":6.300000},"alt":31000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983834,"usec":710573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849638,"noise_level":-22.245483,"freq_skew":3.036952,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983835,"usec":464234},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.350501,"noise_level":-21.759855,"freq_skew":5.419310,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-BUR","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"FB081R","msg_num":"C05","msg_num_seq":"E","sublabel":"CF","msg_text":" 66, 66, 82,\n\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983836,"usec":981857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.153570,"noise_level":-21.223637,"freq_skew":5.215398,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983841,"usec":586564},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.888214,"noise_level":-20.003483,"freq_skew":5.354083,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983843,"usec":105939},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.233405,"noise_level":-20.673100,"freq_skew":3.428881,"avlc":{"src":{"addr":"3C48EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":586,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[2,47,253,162]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983854,"usec":577358},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992914,"noise_level":-21.771460,"freq_skew":2.315864,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983856,"usec":114581},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602754,"noise_level":-21.143803,"freq_skew":3.934123,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAU"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":16.300001},"alt":37000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983857,"usec":623204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.254395,"noise_level":-20.624571,"freq_skew":4.112723,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983857,"usec":624145},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918839,"noise_level":-20.596617,"freq_skew":5.419971,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983859,"usec":899889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665490,"noise_level":-20.090639,"freq_skew":3.376201,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983861,"usec":470443},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937675,"noise_level":-19.604221,"freq_skew":5.165091,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983861,"usec":484351},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758294,"noise_level":-20.136585,"freq_skew":4.074195,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-NCV","mode":"2","label":"SA","blk_id":"5","ack":"!","flight":"PC31ZK","msg_num":"S99","msg_num_seq":"A","msg_text":"0EV195735V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":19,"min":57,"sec":35}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983863,"usec":742265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.509034,"noise_level":-20.616798,"freq_skew":4.079816,"avlc":{"src":{"addr":"4BB876","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983886,"usec":669628},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.387059,"noise_level":-22.766163,"freq_skew":5.297308,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983889,"usec":767511},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.631912,"noise_level":-23.378229,"freq_skew":5.770153,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983894,"usec":373464},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.749207,"noise_level":-23.601046,"freq_skew":6.192880,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983895,"usec":112983},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.552149,"noise_level":-24.477795,"freq_skew":6.202119,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983896,"usec":617225},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.789732,"noise_level":-25.949936,"freq_skew":5.924117,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"LTDB"},{"name":"ac_location","value":{"loc":{"lat":50.200001,"lon":9.400001},"alt":35000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983896,"usec":620187},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133793,"noise_level":-26.934374,"freq_skew":5.599608,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983897,"usec":380448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.189314,"noise_level":-27.469101,"freq_skew":6.060540,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983898,"usec":139269},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.338617,"noise_level":-28.761322,"freq_skew":4.928040,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIDT","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH36MP","msg_num":"M79","msg_num_seq":"A","msg_text":"0006423427537HWXHMPMOUU5R7UD8R8A70"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983898,"usec":895195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.920178,"noise_level":-28.489014,"freq_skew":6.179267,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983898,"usec":898704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953089,"noise_level":-29.153885,"freq_skew":2.643703,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983900,"usec":469378},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-13.033966,"noise_level":-28.277655,"freq_skew":3.410608,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGKK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983901,"usec":245204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.391043,"noise_level":-27.440746,"freq_skew":6.037751,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983902,"usec":741504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.879064,"noise_level":-27.189831,"freq_skew":3.473529,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983905,"usec":795779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.018119,"noise_level":-27.442440,"freq_skew":5.676589,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983906,"usec":554861},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269169,"noise_level":-29.139898,"freq_skew":3.510445,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983907,"usec":327064},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318954,"noise_level":-29.281555,"freq_skew":3.189043,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983909,"usec":640860},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.194976,"noise_level":-28.669920,"freq_skew":5.229251,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"XQ057V","msg_num":"D54","msg_num_seq":"A","sublabel":"DF","msg_text":"OK XDL"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983910,"usec":381027},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.992085,"noise_level":-28.099857,"freq_skew":3.172891,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983912,"usec":657117},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.132866,"noise_level":-27.920425,"freq_skew":3.379350,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983912,"usec":658326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810686,"noise_level":-27.834375,"freq_skew":5.794576,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983912,"usec":658743},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512786,"noise_level":-27.972395,"freq_skew":2.351026,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983913,"usec":418200},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.882067,"noise_level":-28.385284,"freq_skew":5.362071,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983916,"usec":523850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621085,"noise_level":-27.188559,"freq_skew":4.721766,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983918,"usec":24802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562099,"noise_level":-27.695511,"freq_skew":2.060257,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983920,"usec":305313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.273301,"noise_level":-26.155193,"freq_skew":3.445787,"avlc":{"src":{"addr":"407C0A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983931,"usec":27185},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.157377,"noise_level":-23.511482,"freq_skew":3.553640,"avlc":{"src":{"addr":"300A7C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983938,"usec":690843},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892812,"noise_level":-23.322681,"freq_skew":4.860416,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":375,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33148,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[223,58,225,155]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33148,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[182,82,153,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":58,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983941,"usec":750666},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061969,"noise_level":-24.173117,"freq_skew":3.175030,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983943,"usec":262095},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624553,"noise_level":-23.734962,"freq_skew":4.993631,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":376,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33148,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[130,223,103,199]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":19,"min":59,"sec":1}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983943,"usec":266280},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272614,"noise_level":-24.606207,"freq_skew":5.080884,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983944,"usec":29215},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.739178,"noise_level":-25.088585,"freq_skew":5.103479,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":377,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33148,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[168,166,15,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983944,"usec":29215},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.739178,"noise_level":-25.088585,"freq_skew":5.103479,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33148,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,183,190,128]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983947,"usec":73174},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.931625,"noise_level":-25.046295,"freq_skew":5.634743,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH004T","msg_num":"M27","msg_num_seq":"A","msg_text":"00508226793198:(O+YGG4U32Y5"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983951,"usec":682796},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.689980,"noise_level":-23.762722,"freq_skew":3.002591,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983952,"usec":425909},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471681,"noise_level":-23.705830,"freq_skew":5.409441,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983954,"usec":762084},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975461,"noise_level":-24.437752,"freq_skew":5.568316,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"LH004T","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983954,"usec":769697},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957033,"noise_level":-24.685848,"freq_skew":2.813226,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8130,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[35,12]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983961,"usec":631608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322626,"noise_level":-27.368595,"freq_skew":5.648180,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983966,"usec":211695},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.158569,"noise_level":-25.351707,"freq_skew":3.738154,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983971,"usec":545760},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786089,"noise_level":-25.073196,"freq_skew":4.217535,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[132,179,216,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983972,"usec":305379},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758481,"noise_level":-24.707172,"freq_skew":4.228849,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983974,"usec":650717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664010,"noise_level":-23.962357,"freq_skew":1.905320,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983975,"usec":398789},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.005150,"noise_level":-24.660759,"freq_skew":2.728117,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983977,"usec":668584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913983,"noise_level":-26.188061,"freq_skew":4.242726,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983979,"usec":953306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625693,"noise_level":-26.079828,"freq_skew":1.805093,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983980,"usec":735110},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.801282,"noise_level":-25.664837,"freq_skew":2.958730,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":577,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12721,"credit":3,"rseq":7,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[172,140,108,239]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983987,"usec":584451},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750452,"noise_level":-24.874462,"freq_skew":2.503474,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983989,"usec":916342},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681067,"noise_level":-23.950974,"freq_skew":2.041530,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983991,"usec":436694},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.269245,"noise_level":-24.171101,"freq_skew":5.581349,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[50,87]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983992,"usec":211194},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.953582,"noise_level":-26.176773,"freq_skew":2.514031,"avlc":{"src":{"addr":"3C54A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983992,"usec":947397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625608,"noise_level":-26.071293,"freq_skew":3.854427,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983993,"usec":715215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335007,"noise_level":-25.545826,"freq_skew":5.633931,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983993,"usec":719677},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723292,"noise_level":-25.949591,"freq_skew":1.868486,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCN","mode":"2","label":"_d","blk_id":"8","ack":"S","flight":"LX02MB","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788983998,"usec":331554},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.038807,"noise_level":-24.226826,"freq_skew":3.936253,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984002,"usec":148835},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273888,"noise_level":-23.592003,"freq_skew":5.356890,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984003,"usec":672203},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.484956,"noise_level":-22.729935,"freq_skew":5.612008,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4135,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12813,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[25,12]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":0,"sec":2}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984015,"usec":150997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.510631,"noise_level":-22.209913,"freq_skew":2.788739,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984017,"usec":424009},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.316079,"noise_level":-21.989136,"freq_skew":5.070326,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984029,"usec":665953},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565832,"noise_level":-22.188625,"freq_skew":3.639020,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33253,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[151,102,137,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984032,"usec":701532},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.684767,"noise_level":-21.058521,"freq_skew":5.682397,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984041,"usec":101573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.232550,"noise_level":-20.121185,"freq_skew":5.024571,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984044,"usec":201353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281733,"noise_level":-23.380283,"freq_skew":5.036707,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMD","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"XQ07HJ","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984044,"usec":958194},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858181,"noise_level":-24.880211,"freq_skew":4.988873,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984045,"usec":700663},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.666123,"noise_level":-25.599489,"freq_skew":5.113700,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984047,"usec":223658},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.300431,"noise_level":-25.595669,"freq_skew":2.688681,"avlc":{"src":{"addr":"738103","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984051,"usec":88521},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.668434,"noise_level":-26.232494,"freq_skew":2.400390,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984051,"usec":826668},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766295,"noise_level":-26.091242,"freq_skew":2.095505,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984051,"usec":826668},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.766295,"noise_level":-26.091242,"freq_skew":2.095505,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984054,"usec":107364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522870,"noise_level":-25.465738,"freq_skew":2.370291,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984054,"usec":887662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459762,"noise_level":-25.104816,"freq_skew":5.391190,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984061,"usec":737744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784297,"noise_level":-22.445671,"freq_skew":2.548510,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984062,"usec":544854},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.304296,"noise_level":-23.840563,"freq_skew":3.936500,"avlc":{"src":{"addr":"3C65E2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984064,"usec":829223},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677946,"noise_level":-22.869785,"freq_skew":4.150959,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":321,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12713,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[211,231,96,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984066,"usec":358112},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038357,"noise_level":-22.445210,"freq_skew":5.540594,"avlc":{"src":{"addr":"451D8C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984082,"usec":409338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785075,"noise_level":-25.986376,"freq_skew":2.045700,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984082,"usec":410892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976678,"noise_level":-26.484632,"freq_skew":2.595555,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984083,"usec":952054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842892,"noise_level":-25.968819,"freq_skew":2.264134,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984083,"usec":966996},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.262711,"noise_level":-25.969719,"freq_skew":4.761143,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":5259,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12842,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[187,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984086,"usec":238805},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830506,"noise_level":-24.908621,"freq_skew":4.800920,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984086,"usec":998571},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.714561,"noise_level":-26.155787,"freq_skew":5.303273,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":395,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984088,"usec":535860},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645982,"noise_level":-25.720499,"freq_skew":4.985544,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984099,"usec":244251},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723276,"noise_level":-23.561790,"freq_skew":1.902790,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AIEN","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH04UA","msg_num":"D14","msg_num_seq":"G","sublabel":"DF","msg_text":"/T74603,6035,014,N02,142,41,07409,2/V70082,0000,01552,00160,203,200,200,0/X74901,00300,280,001,009,021,014,1/S84569,5985,017,N00,158,40,08024,2/T84552,6025,014,N01,142,41,08032,2/V80070,N015,01632,00160,203"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984108,"usec":389040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968739,"noise_level":-24.064484,"freq_skew":4.741699,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984109,"usec":152672},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606594,"noise_level":-23.926889,"freq_skew":4.159078,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":324,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984109,"usec":954153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777400,"noise_level":-23.658073,"freq_skew":2.671939,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984110,"usec":739447},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734984,"noise_level":-24.108107,"freq_skew":5.561406,"avlc":{"src":{"addr":"4D2477","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984112,"usec":996512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467792,"noise_level":-24.764675,"freq_skew":2.057790,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984115,"usec":289215},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.826920,"noise_level":-23.559435,"freq_skew":4.313622,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984116,"usec":841708},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709305,"noise_level":-23.063526,"freq_skew":4.193355,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":327,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":58,"dst_ref":12713,"variable_part_params":[{"name":"atn_checksum","value":[105,204,93,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984119,"usec":109017},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924160,"noise_level":-23.295780,"freq_skew":4.277709,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984119,"usec":114332},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678271,"noise_level":-23.647078,"freq_skew":4.358524,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984119,"usec":127993},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635348,"noise_level":-24.668768,"freq_skew":4.311991,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":329,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[77,32,6,165]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25533,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[92,242,120,89]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":1,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984120,"usec":628883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855661,"noise_level":-23.996647,"freq_skew":4.190360,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984122,"usec":903441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134907,"noise_level":-23.082819,"freq_skew":3.190064,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984125,"usec":993989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938169,"noise_level":-21.827839,"freq_skew":3.763354,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984127,"usec":510134},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028695,"noise_level":-21.881296,"freq_skew":5.232771,"avlc":{"src":{"addr":"3C7426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984129,"usec":27659},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866863,"noise_level":-23.913774,"freq_skew":3.552819,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984130,"usec":606727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.377215,"noise_level":-23.432556,"freq_skew":3.661111,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984136,"usec":714066},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771737,"noise_level":-23.030622,"freq_skew":3.617028,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":278,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":9,"ack":13,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984137,"usec":470798},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.920347,"noise_level":-22.847870,"freq_skew":5.176443,"avlc":{"src":{"addr":"3C7426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984137,"usec":476550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.559748,"noise_level":-23.493889,"freq_skew":4.837790,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984138,"usec":256860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.744088,"noise_level":-24.437151,"freq_skew":3.235480,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984144,"usec":364567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.653155,"noise_level":-24.870285,"freq_skew":5.224635,"avlc":{"src":{"addr":"3C7426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984151,"usec":227410},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.540619,"noise_level":-24.225025,"freq_skew":3.143659,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":182,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984151,"usec":986036},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555882,"noise_level":-25.133160,"freq_skew":2.469184,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984152,"usec":751311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.295976,"noise_level":-24.382324,"freq_skew":4.866394,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984152,"usec":751570},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.863190,"noise_level":-24.382324,"freq_skew":3.251372,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984155,"usec":811220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.711693,"noise_level":-23.137980,"freq_skew":5.452909,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984158,"usec":125029},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.478957,"noise_level":-22.640621,"freq_skew":4.613062,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984158,"usec":890570},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733932,"noise_level":-22.283146,"freq_skew":4.628106,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984159,"usec":656399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.836198,"noise_level":-22.024832,"freq_skew":5.379598,"avlc":{"src":{"addr":"3C7426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984161,"usec":160239},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555567,"noise_level":-21.555237,"freq_skew":3.866493,"avlc":{"src":{"addr":"3C6650","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984161,"usec":918857},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275746,"noise_level":-21.319513,"freq_skew":5.497731,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5986,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36767,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[175,131]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":2,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984165,"usec":10193},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095743,"noise_level":-25.252419,"freq_skew":2.096639,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984169,"usec":563701},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851556,"noise_level":-26.479000,"freq_skew":1.987585,"avlc":{"src":{"addr":"3C66BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984171,"usec":885754},"freq":136975000,"burst_len_octets":101,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574361,"noise_level":-28.459303,"freq_skew":4.005603,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"16","blk_id":"3","ack":"!","flight":"PC1658","msg_num":"M13","msg_num_seq":"A","msg_text":"PC1658/09SEP26 20:01:58,37003,2257, 189,N 49.063 E 12.630"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984175,"usec":692236},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.957261,"noise_level":-26.100636,"freq_skew":3.889613,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984181,"usec":35925},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067925,"noise_level":-25.404367,"freq_skew":2.083596,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984189,"usec":445172},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.850039,"noise_level":-27.299623,"freq_skew":3.356284,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984191,"usec":10659},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.538997,"noise_level":-26.566578,"freq_skew":4.389817,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":594,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12833,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[172,91,23,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984191,"usec":767583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813650,"noise_level":-26.151190,"freq_skew":2.861774,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984194,"usec":804411},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479167,"noise_level":-27.901508,"freq_skew":2.917561,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984195,"usec":553821},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838135,"noise_level":-27.237253,"freq_skew":3.525491,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984204,"usec":773646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646862,"noise_level":-24.521805,"freq_skew":5.117865,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984204,"usec":774034},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625917,"noise_level":-24.521805,"freq_skew":4.620872,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LDX","mode":"2","label":"_d","blk_id":"5","ack":"A","flight":"W608BC","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984208,"usec":559424},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.264501,"noise_level":-24.581900,"freq_skew":4.537852,"avlc":{"src":{"addr":"44083C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IJQ","mode":"2","label":"5U","blk_id":"9","ack":"!","flight":"EC57LY","msg_num":"M04","msg_num_seq":"A","msg_text":"EDDV EPSC EDDC-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984209,"usec":327737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.413840,"noise_level":-24.555531,"freq_skew":5.366749,"avlc":{"src":{"addr":"3C7426","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984212,"usec":398138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191653,"noise_level":-24.218964,"freq_skew":2.957912,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984213,"usec":155502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.290353,"noise_level":-24.791351,"freq_skew":3.797440,"avlc":{"src":{"addr":"3C65CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984222,"usec":321827},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829922,"noise_level":-25.983526,"freq_skew":1.606936,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIAD","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"DE0031","msg_num":"S46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984224,"usec":606692},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846959,"noise_level":-27.443945,"freq_skew":3.729134,"avlc":{"src":{"addr":"3C65CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984226,"usec":920019},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.400021,"noise_level":-27.272579,"freq_skew":3.129855,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH04PH","msg_num":"D18","msg_num_seq":"H","sublabel":"DF","msg_text":"0,010,002,002,001,010,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984228,"usec":451019},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086851,"noise_level":-27.687351,"freq_skew":3.023756,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984228,"usec":453638},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506071,"noise_level":-27.645359,"freq_skew":2.842088,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984239,"usec":925240},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783672,"noise_level":-22.298573,"freq_skew":4.605084,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984241,"usec":432271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830548,"noise_level":-21.900408,"freq_skew":1.815939,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984247,"usec":566783},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.048557,"noise_level":-21.096018,"freq_skew":5.726993,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":752,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":572,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[241,244]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984249,"usec":98513},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297527,"noise_level":-20.756966,"freq_skew":-0.111900,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A7-BFF","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"QR8236","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984252,"usec":936730},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647881,"noise_level":-23.081520,"freq_skew":1.755457,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33282,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[100,38,135,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984253,"usec":684437},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.443506,"noise_level":-23.954201,"freq_skew":3.678013,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984253,"usec":698326},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.802117,"noise_level":-24.116306,"freq_skew":3.542753,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":630,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8128,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[34,198]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984255,"usec":193131},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889721,"noise_level":-25.970600,"freq_skew":6.431593,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHZ","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"LX979E","msg_num":"S88","msg_num_seq":"A","msg_text":"0EV200410V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":4,"sec":10}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984257,"usec":467219},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.380629,"noise_level":-27.289476,"freq_skew":-0.075203,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984257,"usec":468173},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-13.620983,"noise_level":-27.229370,"freq_skew":3.685197,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984257,"usec":469615},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.273378,"noise_level":-27.110394,"freq_skew":3.825932,"avlc":{"src":{"addr":"3C65CE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984257,"usec":471598},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924366,"noise_level":-26.954250,"freq_skew":5.590418,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5988,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36767,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[40,193]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984260,"usec":556122},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480326,"noise_level":-26.075201,"freq_skew":2.924144,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984261,"usec":335592},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.546407,"noise_level":-25.763508,"freq_skew":-0.069078,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":153,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":6,"ack":11,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984262,"usec":102276},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681134,"noise_level":-25.384014,"freq_skew":4.931598,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984263,"usec":613103},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306190,"noise_level":-24.686302,"freq_skew":4.400054,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"LTDB"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":10.600000},"alt":37000}},{"name":"alternate_ground_stations","value":["1098FA","10910A","10911A","10930A","1090DA","10902A","109D6A","109B0A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984264,"usec":362603},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928648,"noise_level":-25.435179,"freq_skew":4.256761,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[22,140,51,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984266,"usec":697326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.100972,"noise_level":-25.186222,"freq_skew":4.555839,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984270,"usec":471820},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.555689,"noise_level":-26.910805,"freq_skew":-0.021465,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984271,"usec":280164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957920,"noise_level":-26.406094,"freq_skew":1.790673,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984272,"usec":797025},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.924835,"noise_level":-26.763430,"freq_skew":1.647989,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12858,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[144,203,67,124]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984272,"usec":801494},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.040768,"noise_level":-26.484123,"freq_skew":5.543774,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":753,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984273,"usec":559051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778456,"noise_level":-26.090061,"freq_skew":1.824051,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984278,"usec":133727},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564067,"noise_level":-25.964306,"freq_skew":1.774669,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984278,"usec":133727},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.564067,"noise_level":-25.964306,"freq_skew":1.774669,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":7757,"dst_ref":12859,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[67,77]},{"name":"calling_transport_selector","value":[99,109]},{"name":"priority","value":6},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[190,219,149,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984279,"usec":678091},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.604619,"noise_level":-26.518305,"freq_skew":2.744817,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984279,"usec":693568},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576843,"noise_level":-26.525452,"freq_skew":1.663550,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12859,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[178,253,67,39]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984280,"usec":445684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684153,"noise_level":-26.621307,"freq_skew":4.733638,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984285,"usec":28077},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471900,"noise_level":-25.239265,"freq_skew":1.617053,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984285,"usec":798396},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577882,"noise_level":-25.066345,"freq_skew":1.564356,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984285,"usec":799796},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.365384,"noise_level":-25.692099,"freq_skew":3.765298,"avlc":{"src":{"addr":"485814","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":632,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8128,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[11,30]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":4,"sec":36}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984286,"usec":559950},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.009302,"noise_level":-25.204239,"freq_skew":1.557569,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":7758,"dst_ref":55588,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[140,234,195,185]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984288,"usec":75469},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505878,"noise_level":-25.233894,"freq_skew":1.662745,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984288,"usec":835539},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488660,"noise_level":-25.716404,"freq_skew":2.940005,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984291,"usec":890562},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883409,"noise_level":-24.460556,"freq_skew":1.729555,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984298,"usec":816870},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482394,"noise_level":-21.893274,"freq_skew":3.090676,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984301,"usec":79626},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866571,"noise_level":-22.195351,"freq_skew":2.826566,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984301,"usec":87350},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.552382,"noise_level":-21.996342,"freq_skew":2.981413,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984301,"usec":839644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982964,"noise_level":-23.011026,"freq_skew":3.046757,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984308,"usec":720537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150723,"noise_level":-23.033543,"freq_skew":5.122836,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984310,"usec":251341},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984758,"noise_level":-24.676872,"freq_skew":2.363202,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984318,"usec":634982},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649240,"noise_level":-22.872814,"freq_skew":1.867781,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984319,"usec":403181},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722851,"noise_level":-25.985607,"freq_skew":4.412282,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4144,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984322,"usec":505053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.784907,"noise_level":-27.131243,"freq_skew":1.563685,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984324,"usec":766301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.128851,"noise_level":-28.667774,"freq_skew":1.908075,"avlc":{"src":{"addr":"4243C4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984324,"usec":779258},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038472,"noise_level":-28.435299,"freq_skew":2.941104,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":180,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984327,"usec":86448},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.476698,"noise_level":-27.587435,"freq_skew":1.887725,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984329,"usec":388309},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848862,"noise_level":-28.260437,"freq_skew":3.483113,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":180,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984332,"usec":392347},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.668277,"noise_level":-28.445559,"freq_skew":4.597870,"avlc":{"src":{"addr":"4951D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":7.000000},"alt":18000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984332,"usec":394941},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424987,"noise_level":-28.308840,"freq_skew":2.891908,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984332,"usec":395353},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598021,"noise_level":-28.904301,"freq_skew":4.674398,"avlc":{"src":{"addr":"4951D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".CS-TNX","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"TP57LK","msg_num":"S89","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984333,"usec":203502},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762220,"noise_level":-28.394093,"freq_skew":6.319693,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984333,"usec":205441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.253857,"noise_level":-28.303246,"freq_skew":4.526527,"avlc":{"src":{"addr":"4951D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984335,"usec":513845},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.394699,"noise_level":-27.047039,"freq_skew":5.210349,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984338,"usec":539566},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.203615,"noise_level":-25.363831,"freq_skew":5.532697,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984340,"usec":848137},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.661214,"noise_level":-24.289503,"freq_skew":4.597055,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984340,"usec":849214},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095105,"noise_level":-24.289503,"freq_skew":3.042986,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984342,"usec":400613},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067935,"noise_level":-23.282700,"freq_skew":5.713558,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":6.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984345,"usec":397085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.488228,"noise_level":-22.987652,"freq_skew":-0.049806,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984345,"usec":397181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305798,"noise_level":-23.268528,"freq_skew":3.010463,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984346,"usec":958989},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903253,"noise_level":-24.409094,"freq_skew":0.969773,"avlc":{"src":{"addr":"3C6445","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984346,"usec":964845},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.614901,"noise_level":-25.333843,"freq_skew":5.642828,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5990,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36767,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[40,193]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984347,"usec":721304},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.644686,"noise_level":-25.049618,"freq_skew":-0.196744,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984356,"usec":143012},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.032519,"noise_level":-25.238039,"freq_skew":2.316664,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984359,"usec":984674},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543075,"noise_level":-26.660126,"freq_skew":1.407223,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984359,"usec":990766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722606,"noise_level":-26.806114,"freq_skew":4.473911,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984364,"usec":518686},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.862180,"noise_level":-24.556959,"freq_skew":2.778013,"avlc":{"src":{"addr":"39DE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984366,"usec":43269},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.824336,"noise_level":-24.446114,"freq_skew":3.265500,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984366,"usec":847947},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.590284,"noise_level":-24.288147,"freq_skew":3.177450,"avlc":{"src":{"addr":"39DE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HXSD","mode":"2","label":"5U","blk_id":"6","ack":"!","flight":"TO8152","msg_num":"M35","msg_num_seq":"A","msg_text":"LIME LIMC-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984372,"usec":169823},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.560543,"noise_level":-22.087437,"freq_skew":3.039204,"avlc":{"src":{"addr":"39DE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".F-HXSD","mode":"2","label":"_d","blk_id":"7","ack":"U","flight":"TO8152","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984375,"usec":244720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.544034,"noise_level":-22.091728,"freq_skew":3.127321,"avlc":{"src":{"addr":"39DE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984376,"usec":760867},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887570,"noise_level":-23.343014,"freq_skew":5.406579,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":5}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":6.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984377,"usec":521948},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567055,"noise_level":-24.798182,"freq_skew":5.221191,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"LH051A","msg_num":"S13","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984377,"usec":528055},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.787420,"noise_level":-25.243624,"freq_skew":1.646335,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984382,"usec":890696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896757,"noise_level":-27.159369,"freq_skew":4.376239,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984388,"usec":259120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610238,"noise_level":-27.684814,"freq_skew":2.002022,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984388,"usec":280163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.120800,"noise_level":-27.314106,"freq_skew":2.913875,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984392,"usec":38998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091212,"noise_level":-25.599785,"freq_skew":5.308215,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984392,"usec":44335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.171389,"noise_level":-25.757259,"freq_skew":4.075489,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984395,"usec":136815},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648561,"noise_level":-25.067650,"freq_skew":5.398935,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984395,"usec":144888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633946,"noise_level":-25.005604,"freq_skew":4.139047,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984395,"usec":893284},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104833,"noise_level":-26.575167,"freq_skew":3.164037,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":178,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984396,"usec":651616},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622964,"noise_level":-27.058846,"freq_skew":5.654468,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":6.300000},"alt":30000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984397,"usec":425745},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682429,"noise_level":-27.364805,"freq_skew":3.153616,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984398,"usec":170892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.628690,"noise_level":-27.184179,"freq_skew":5.708775,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984399,"usec":703510},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987942,"noise_level":-26.947519,"freq_skew":5.690734,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984400,"usec":516991},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.090778,"noise_level":-26.368101,"freq_skew":2.742866,"avlc":{"src":{"addr":"502D29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":111,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984401,"usec":261285},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985171,"noise_level":-26.153793,"freq_skew":5.788605,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33217,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[155,62]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984402,"usec":22673},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599693,"noise_level":-25.791023,"freq_skew":2.512172,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":19,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984402,"usec":41685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.657980,"noise_level":-25.540876,"freq_skew":3.013105,"avlc":{"src":{"addr":"502D29","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984402,"usec":780045},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493650,"noise_level":-25.345819,"freq_skew":3.625127,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984405,"usec":85678},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206710,"noise_level":-24.479866,"freq_skew":4.513963,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[188,36]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984406,"usec":603922},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.793868,"noise_level":-24.890354,"freq_skew":3.110026,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984406,"usec":607623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.262498,"noise_level":-25.428471,"freq_skew":2.554822,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984408,"usec":123579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824458,"noise_level":-25.524101,"freq_skew":4.586630,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984409,"usec":663397},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.969510,"noise_level":-26.165979,"freq_skew":3.168346,"avlc":{"src":{"addr":"39DE43","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984409,"usec":674485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950961,"noise_level":-26.043194,"freq_skew":5.739985,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984411,"usec":181267},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595043,"noise_level":-26.360935,"freq_skew":4.690924,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984411,"usec":944333},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.305819,"noise_level":-25.903475,"freq_skew":4.955167,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984412,"usec":677103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.046415,"noise_level":-25.683472,"freq_skew":2.259239,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984418,"usec":59521},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.086293,"noise_level":-25.055944,"freq_skew":5.349653,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GJT","mode":"2","label":"16","blk_id":"0","ack":"!","flight":"FR5605","msg_num":"M23","msg_num_seq":"A","msg_text":"200655,120004,2025, 82,N 48.183 E 6.486"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984418,"usec":834198},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.802292,"noise_level":-24.469875,"freq_skew":2.983664,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984420,"usec":316710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945700,"noise_level":-24.072231,"freq_skew":5.481627,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984421,"usec":887365},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530069,"noise_level":-24.015047,"freq_skew":4.283395,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5262,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984423,"usec":403816},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696835,"noise_level":-24.045839,"freq_skew":1.379666,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":276,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":6,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984424,"usec":945227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.573766,"noise_level":-23.509266,"freq_skew":4.372348,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984425,"usec":700122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554055,"noise_level":-24.311731,"freq_skew":3.566916,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984434,"usec":142589},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187091,"noise_level":-24.502701,"freq_skew":5.373983,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12872,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[134,48]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984434,"usec":894850},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.847376,"noise_level":-25.055182,"freq_skew":3.046052,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":178,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984436,"usec":400599},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.324084,"noise_level":-24.783215,"freq_skew":5.151148,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":6431,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12872,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[37,47]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984436,"usec":402946},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707713,"noise_level":-24.928885,"freq_skew":5.368960,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"dst_airport","value":"EDDR"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":6.400000},"alt":120000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984436,"usec":403528},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.584119,"noise_level":-24.898298,"freq_skew":1.554475,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"LX02MB","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984437,"usec":917845},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.088837,"noise_level":-25.328953,"freq_skew":1.496281,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984437,"usec":922844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078620,"noise_level":-25.171930,"freq_skew":3.115800,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10980A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984438,"usec":704168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822364,"noise_level":-25.832676,"freq_skew":5.539917,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984440,"usec":214745},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.690159,"noise_level":-25.967083,"freq_skew":5.197068,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6434,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12874,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[183,159]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":7,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984441,"usec":8066},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418498,"noise_level":-26.465952,"freq_skew":3.104480,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"LH04PH","msg_num":"156","msg_num_seq":"A","sublabel":"T1","msg_text":"T.B0FZ00A7EPAEN)Y8/"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984441,"usec":769894},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663968,"noise_level":-26.245081,"freq_skew":2.949368,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984445,"usec":572163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779746,"noise_level":-27.041510,"freq_skew":2.590070,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984447,"usec":127653},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.807395,"noise_level":-26.907871,"freq_skew":5.589533,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984447,"usec":147957},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.626906,"noise_level":-26.605354,"freq_skew":5.380594,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12874,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[23,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984450,"usec":170092},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.112981,"noise_level":-25.686783,"freq_skew":5.694556,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984451,"usec":683833},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.470086,"noise_level":-26.051773,"freq_skew":5.275625,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6436,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12874,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[23,58]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984452,"usec":443673},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735771,"noise_level":-26.762983,"freq_skew":5.595990,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984452,"usec":443673},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.735771,"noise_level":-26.762983,"freq_skew":5.595990,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984452,"usec":445624},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726173,"noise_level":-26.612911,"freq_skew":5.797439,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33220,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[229,169,20,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984457,"usec":808863},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992458,"noise_level":-27.073515,"freq_skew":5.459378,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":756,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34699,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[54,231]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984457,"usec":809268},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.061090,"noise_level":-27.053926,"freq_skew":2.797722,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINZ","mode":"2","label":"_d","blk_id":"7","ack":"A","flight":"LH04PH","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984462,"usec":427762},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812867,"noise_level":-28.302687,"freq_skew":3.961271,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984470,"usec":54833},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.524060,"noise_level":-26.625393,"freq_skew":2.139877,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXT","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH08DM","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984470,"usec":828172},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.549613,"noise_level":-27.792355,"freq_skew":2.203562,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984473,"usec":86586},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035670,"noise_level":-28.127712,"freq_skew":2.205834,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984476,"usec":946529},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772253,"noise_level":-26.693703,"freq_skew":4.489805,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984477,"usec":708155},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.721424,"noise_level":-26.201097,"freq_skew":4.474575,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984479,"usec":229594},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.538277,"noise_level":-25.276567,"freq_skew":4.360378,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":719,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984482,"usec":289337},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.403028,"noise_level":-28.153584,"freq_skew":4.506019,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984483,"usec":49180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.136136,"noise_level":-28.443398,"freq_skew":4.362695,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984486,"usec":846528},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.562885,"noise_level":-27.039932,"freq_skew":4.451882,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984488,"usec":434568},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.296077,"noise_level":-26.331045,"freq_skew":5.853248,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":378,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33217,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[145,191]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":8,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984493,"usec":729101},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.251820,"noise_level":-23.775906,"freq_skew":4.462891,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":661,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36783,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[74,111,204,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984496,"usec":812420},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.360007,"noise_level":-22.208923,"freq_skew":4.402703,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4147,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25559,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[30,201]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984502,"usec":188924},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653596,"noise_level":-24.943832,"freq_skew":1.713386,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIEN","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"LH04UA","msg_num":"M15","msg_num_seq":"A","msg_text":"/BIKF.TI2/040BIKFAC5A1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984502,"usec":953220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.020241,"noise_level":-25.124008,"freq_skew":4.544878,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984503,"usec":688489},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.938113,"noise_level":-25.107557,"freq_skew":4.375085,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":337,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[22,140,51,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984503,"usec":698784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212639,"noise_level":-24.967939,"freq_skew":1.790898,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984505,"usec":208374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285303,"noise_level":-25.425468,"freq_skew":4.898154,"avlc":{"src":{"addr":"3C6494","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984505,"usec":976618},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857307,"noise_level":-24.936615,"freq_skew":4.152375,"avlc":{"src":{"addr":"4BCE47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAU"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984506,"usec":728356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991341,"noise_level":-24.679773,"freq_skew":5.675905,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984506,"usec":738079},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844781,"noise_level":-24.532164,"freq_skew":5.567040,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":380,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33217,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[202,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984506,"usec":738079},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.844781,"noise_level":-24.532164,"freq_skew":5.567040,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":381,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33217,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[198,188]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984512,"usec":80278},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849366,"noise_level":-23.633312,"freq_skew":2.035975,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":599,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984512,"usec":869851},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.390049,"noise_level":-24.110912,"freq_skew":5.518665,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984513,"usec":608735},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600036,"noise_level":-24.000076,"freq_skew":2.294466,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984518,"usec":213294},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.644669,"noise_level":-23.963169,"freq_skew":3.964745,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984518,"usec":226029},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574079,"noise_level":-23.867741,"freq_skew":4.290967,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-INJ","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"EC84TJ","msg_num":"S97","msg_num_seq":"A","msg_text":"0EV200835V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":8,"sec":35}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984521,"usec":262201},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390831,"noise_level":-22.549412,"freq_skew":1.378593,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984524,"usec":362024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747053,"noise_level":-22.054522,"freq_skew":5.235754,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984527,"usec":366023},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872649,"noise_level":-23.382664,"freq_skew":5.482566,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984528,"usec":126280},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.443810,"noise_level":-23.853092,"freq_skew":5.189156,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JOK","mode":"2","label":"SA","blk_id":"6","ack":"!","flight":"CS0631","msg_num":"S62","msg_num_seq":"A","msg_text":"0EV200842V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":8,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984528,"usec":939196},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.240273,"noise_level":-23.469172,"freq_skew":2.400772,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984530,"usec":476987},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.737910,"noise_level":-24.920179,"freq_skew":2.219480,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984531,"usec":217828},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890477,"noise_level":-24.798595,"freq_skew":5.571696,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5992,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36767,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[40,193]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984533,"usec":495174},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.735971,"noise_level":-25.225155,"freq_skew":2.365739,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984533,"usec":513452},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861731,"noise_level":-25.240011,"freq_skew":4.309735,"avlc":{"src":{"addr":"4BCE47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LTAU"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984535,"usec":826202},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.892304,"noise_level":-25.100405,"freq_skew":3.837173,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":6.700000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984538,"usec":871372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907779,"noise_level":-27.499750,"freq_skew":5.382902,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984539,"usec":622363},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825035,"noise_level":-27.923710,"freq_skew":4.291758,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984543,"usec":449793},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794724,"noise_level":-29.470722,"freq_skew":6.131969,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984544,"usec":212970},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473297,"noise_level":-29.044111,"freq_skew":5.509246,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984544,"usec":228122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.334725,"noise_level":-28.682669,"freq_skew":4.049226,"avlc":{"src":{"addr":"4BCE47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984544,"usec":991949},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457391,"noise_level":-28.290424,"freq_skew":4.293262,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":602,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12606,"credit":4,"rseq":15,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":14,"acked_subseq":0,"acked_credit":4}},{"name":"atn_checksum","value":[162,81,64,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984545,"usec":752710},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618564,"noise_level":-29.480461,"freq_skew":1.642018,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":460,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55593,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[197,195,229,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984546,"usec":494537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.175080,"noise_level":-29.326601,"freq_skew":4.829363,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984549,"usec":588454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059397,"noise_level":-27.104244,"freq_skew":2.875554,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984551,"usec":121830},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034003,"noise_level":-26.949612,"freq_skew":2.110167,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984551,"usec":127894},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910381,"noise_level":-26.853477,"freq_skew":2.204906,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":601,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12792,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[154,213,221,73]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984551,"usec":885794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736342,"noise_level":-26.370056,"freq_skew":1.630747,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984552,"usec":631329},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844849,"noise_level":-26.611750,"freq_skew":3.992737,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":6.700000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984554,"usec":908507},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359818,"noise_level":-27.335861,"freq_skew":4.319405,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOE","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XQ04RX","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984555,"usec":643773},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959324,"noise_level":-26.951677,"freq_skew":4.242700,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984556,"usec":451310},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717793,"noise_level":-27.097891,"freq_skew":4.872342,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRN","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH08LP","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984556,"usec":455084},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582677,"noise_level":-26.922676,"freq_skew":4.080245,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984559,"usec":493299},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110560,"noise_level":-27.101246,"freq_skew":0.748507,"avlc":{"src":{"addr":"3C6445","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984559,"usec":496138},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669788,"noise_level":-28.182375,"freq_skew":4.463600,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984560,"usec":276477},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603991,"noise_level":-27.726635,"freq_skew":2.299793,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":23,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12882,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[49,30,91,75]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984561,"usec":34415},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068094,"noise_level":-28.161114,"freq_skew":4.101938,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984569,"usec":465753},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605369,"noise_level":-27.984673,"freq_skew":1.827509,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33282,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[185,242,185,161]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984577,"usec":95383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.987114,"noise_level":-26.426886,"freq_skew":-0.383090,"avlc":{"src":{"addr":"06A0DF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984579,"usec":404061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717114,"noise_level":-28.169170,"freq_skew":2.064892,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984582,"usec":480216},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.359051,"noise_level":-26.862103,"freq_skew":2.400703,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984583,"usec":248971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.122120,"noise_level":-28.159010,"freq_skew":4.707666,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984587,"usec":768414},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.094128,"noise_level":-27.444403,"freq_skew":5.580163,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":759,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34699,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[54,231]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984593,"usec":899526},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501329,"noise_level":-24.806376,"freq_skew":2.329227,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":29,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12885,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[66,78,191,160]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12885,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[225,59,169,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":9,"sec":52}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984598,"usec":495445},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746691,"noise_level":-24.913780,"freq_skew":2.899382,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":175,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984598,"usec":499407},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.590596,"noise_level":-24.852819,"freq_skew":2.817631,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984599,"usec":266295},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.384241,"noise_level":-25.149853,"freq_skew":4.169112,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":164,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55592,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[209,82,153,17]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984600,"usec":24320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875163,"noise_level":-24.660992,"freq_skew":5.994778,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984600,"usec":29166},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354191,"noise_level":-24.587032,"freq_skew":4.089789,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984600,"usec":30966},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589204,"noise_level":-24.557625,"freq_skew":2.075634,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":602,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12792,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[45,19,142,105]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":9,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984600,"usec":773729},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315483,"noise_level":-24.340181,"freq_skew":4.564223,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[42,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984600,"usec":774352},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.905668,"noise_level":-25.467443,"freq_skew":2.230025,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":603,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":69,"dst_ref":12792,"variable_part_params":[{"name":"atn_checksum","value":[106,250,117,195]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984601,"usec":530460},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.225002,"noise_level":-25.147408,"freq_skew":5.553438,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984602,"usec":286934},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.251523,"noise_level":-24.884354,"freq_skew":4.235826,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12813,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[42,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984604,"usec":614354},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824607,"noise_level":-23.716644,"freq_skew":4.829217,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JOK","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"CS0631","msg_num":"S63","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984605,"usec":373513},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.137919,"noise_level":-23.402599,"freq_skew":4.669784,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984606,"usec":885866},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.735819,"noise_level":-22.964060,"freq_skew":4.809571,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984609,"usec":181883},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.795380,"noise_level":-23.333731,"freq_skew":4.708988,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":173,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55605,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[171,64,101,98]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984609,"usec":181883},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.795380,"noise_level":-23.333731,"freq_skew":4.708988,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":56,"dst_ref":55605,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[64,16,207,186]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984609,"usec":986451},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.098227,"noise_level":-22.996128,"freq_skew":4.359609,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4151,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12813,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[109,82]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":10,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984610,"usec":747188},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.298732,"noise_level":-23.402252,"freq_skew":3.736144,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5265,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[217,107]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984613,"usec":18304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.591168,"noise_level":-24.799215,"freq_skew":2.899631,"avlc":{"src":{"addr":"4D21DB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984614,"usec":537570},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507452,"noise_level":-24.826563,"freq_skew":7.417832,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984614,"usec":544168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.495400,"noise_level":-24.974056,"freq_skew":3.727260,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984615,"usec":284647},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062671,"noise_level":-26.127386,"freq_skew":7.299544,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984615,"usec":287836},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352510,"noise_level":-25.953274,"freq_skew":6.053546,"avlc":{"src":{"addr":"48C125","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1795,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12836,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[59,159]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984616,"usec":44398},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135435,"noise_level":-25.615179,"freq_skew":4.971904,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":178,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55607,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[69,113,151,98]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55607,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[252,33,185,167]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":10,"sec":14}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984616,"usec":850497},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674303,"noise_level":-25.305740,"freq_skew":3.938838,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984616,"usec":853125},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.198095,"noise_level":-25.147202,"freq_skew":5.302786,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5996,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36767,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[37,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984616,"usec":855137},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604732,"noise_level":-25.037920,"freq_skew":4.377585,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4153,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25559,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[30,201]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984617,"usec":608128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.949831,"noise_level":-25.844288,"freq_skew":1.977894,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984617,"usec":609306},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.148444,"noise_level":-27.490234,"freq_skew":4.954696,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984617,"usec":609306},"freq":136975000,"burst_len_octets":26,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-6.148444,"noise_level":-27.490234,"freq_skew":4.954696,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984617,"usec":610776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.245954,"noise_level":-27.408323,"freq_skew":2.970993,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984619,"usec":901737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034811,"noise_level":-26.552031,"freq_skew":5.796179,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984620,"usec":671151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.415303,"noise_level":-25.928566,"freq_skew":5.687470,"avlc":{"src":{"addr":"3C6496","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984624,"usec":516873},"freq":136975000,"burst_len_octets":131,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541660,"noise_level":-26.208630,"freq_skew":3.909480,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"XQ057V","msg_num":"D57","msg_num_seq":"A","sublabel":"DF","msg_text":"ABS001DA_T EDDFLTDB108\r\n 49814 105492009026303-318242061XA805Z0280390000--\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984627,"usec":544714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.230197,"noise_level":-26.150902,"freq_skew":3.024052,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984627,"usec":551457},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.991879,"noise_level":-26.063173,"freq_skew":4.080468,"avlc":{"src":{"addr":"4BCE47","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984629,"usec":66457},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799855,"noise_level":-25.231426,"freq_skew":2.948395,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":175,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984629,"usec":855599},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297854,"noise_level":-25.012133,"freq_skew":2.947218,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":174,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984631,"usec":368765},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968843,"noise_level":-24.242897,"freq_skew":2.193598,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17045505","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,87,71,0,60,75,69,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984632,"usec":133231},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782896,"noise_level":-24.303734,"freq_skew":2.090869,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984632,"usec":895488},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.211893,"noise_level":-25.035862,"freq_skew":4.858019,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH004T","msg_num":"M29","msg_num_seq":"A","msg_text":"00510209293MQ8831W2GY3+8SM52LE0KVK31254ATGUP,,,KGP7+0H1RR2HT5E3"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984633,"usec":651426},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252103,"noise_level":-24.958656,"freq_skew":2.771841,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984633,"usec":662972},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.891063,"noise_level":-24.686262,"freq_skew":3.829284,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984635,"usec":179248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.926038,"noise_level":-24.208031,"freq_skew":1.816928,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984640,"usec":556222},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301657,"noise_level":-24.923124,"freq_skew":4.422565,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984642,"usec":857559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919735,"noise_level":-25.041801,"freq_skew":2.916529,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984642,"usec":867747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.039168,"noise_level":-24.949173,"freq_skew":5.495368,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984646,"usec":653814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087648,"noise_level":-23.331535,"freq_skew":4.431010,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984648,"usec":172569},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993228,"noise_level":-24.277405,"freq_skew":4.523205,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984648,"usec":948765},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057172,"noise_level":-24.080666,"freq_skew":3.783212,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984657,"usec":389913},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797186,"noise_level":-22.198036,"freq_skew":2.411617,"avlc":{"src":{"addr":"4D21D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984658,"usec":897085},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.953674,"noise_level":-22.055882,"freq_skew":1.752028,"avlc":{"src":{"addr":"3C64AE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984658,"usec":902296},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781370,"noise_level":-21.935654,"freq_skew":2.000872,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":585,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984662,"usec":692974},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733760,"noise_level":-20.937347,"freq_skew":4.484986,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":347,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984671,"usec":916472},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293751,"noise_level":-22.196913,"freq_skew":4.585802,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984674,"usec":966793},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763545,"noise_level":-22.257034,"freq_skew":6.268867,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":776,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984675,"usec":701657},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634318,"noise_level":-22.370817,"freq_skew":7.366642,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984676,"usec":457275},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.428307,"noise_level":-22.831490,"freq_skew":4.140384,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984677,"usec":265967},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620771,"noise_level":-22.570705,"freq_skew":7.163683,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984678,"usec":788738},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680888,"noise_level":-23.184341,"freq_skew":6.264979,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":776,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984678,"usec":805712},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200525,"noise_level":-24.132740,"freq_skew":1.197166,"avlc":{"src":{"addr":"3C6424","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984687,"usec":960529},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911776,"noise_level":-22.615219,"freq_skew":4.413775,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984688,"usec":709811},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604775,"noise_level":-23.267595,"freq_skew":4.337085,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25559,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[48,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984690,"usec":272182},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.614417,"noise_level":-22.447170,"freq_skew":7.291564,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12868,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[201,138,205,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984691,"usec":18981},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285535,"noise_level":-22.401241,"freq_skew":5.525107,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":761,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":572,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[107,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984691,"usec":21301},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682051,"noise_level":-22.424688,"freq_skew":5.617127,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984691,"usec":24632},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.952095,"noise_level":-22.299286,"freq_skew":5.381566,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":762,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":572,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[201,200]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":11,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984691,"usec":781030},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.269959,"noise_level":-22.142256,"freq_skew":4.593301,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25559,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[48,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984693,"usec":298530},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765338,"noise_level":-22.381201,"freq_skew":7.206737,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12868,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":1}},{"name":"atn_checksum","value":[201,138,205,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984693,"usec":299303},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883858,"noise_level":-22.346992,"freq_skew":4.676190,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25559,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[135,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":11,"sec":31}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984696,"usec":367206},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660647,"noise_level":-22.411602,"freq_skew":2.190045,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":30,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12885,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[66,16,199,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984697,"usec":923764},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.201879,"noise_level":-21.964668,"freq_skew":5.533037,"avlc":{"src":{"addr":"4CA4EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":763,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34699,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[54,231]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984699,"usec":429468},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.835202,"noise_level":-21.467323,"freq_skew":2.908864,"avlc":{"src":{"addr":"4D21DB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984701,"usec":733993},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123453,"noise_level":-22.161808,"freq_skew":4.642112,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6811,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984702,"usec":479888},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.424114,"noise_level":-21.952671,"freq_skew":2.750460,"avlc":{"src":{"addr":"4D21DB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984703,"usec":223270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635293,"noise_level":-21.844593,"freq_skew":4.648810,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984704,"usec":8409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.800220,"noise_level":-23.157749,"freq_skew":4.267706,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984707,"usec":56634},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796825,"noise_level":-23.930655,"freq_skew":2.889587,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984707,"usec":815044},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754558,"noise_level":-24.531147,"freq_skew":4.346730,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984707,"usec":818758},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.227601,"noise_level":-25.140917,"freq_skew":4.468045,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984709,"usec":339077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.241072,"noise_level":-24.742683,"freq_skew":4.699390,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984710,"usec":901794},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003381,"noise_level":-24.223331,"freq_skew":4.219473,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984711,"usec":689216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226809,"noise_level":-24.051151,"freq_skew":4.638752,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984712,"usec":428005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038579,"noise_level":-23.913765,"freq_skew":4.492970,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984712,"usec":430281},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.555102,"noise_level":-24.386536,"freq_skew":3.920581,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKR","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"FR96KK","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984713,"usec":208195},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934285,"noise_level":-23.856133,"freq_skew":2.209170,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984713,"usec":956203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583675,"noise_level":-24.304325,"freq_skew":3.919164,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984716,"usec":237172},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.568951,"noise_level":-24.793558,"freq_skew":4.531471,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6812,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":31850,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[184,46]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984717,"usec":2910},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479847,"noise_level":-26.035496,"freq_skew":3.649599,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5271,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984717,"usec":786760},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794349,"noise_level":-26.578749,"freq_skew":4.351229,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984718,"usec":547974},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.010795,"noise_level":-26.198181,"freq_skew":4.235188,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984718,"usec":568343},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.543689,"noise_level":-25.919022,"freq_skew":4.339833,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-IDU","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"EC74RM","msg_num":"F86","msg_num_seq":"A","sublabel":"M1","msg_text":"RESREQ/AK,1158AF6"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984719,"usec":305098},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.289932,"noise_level":-25.850613,"freq_skew":2.828280,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984720,"usec":91422},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.431524,"noise_level":-26.433847,"freq_skew":2.908339,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":455,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":67,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,108]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[178,115]},{"name":"atn_checksum","value":[86,250,189,190]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984720,"usec":126302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663669,"noise_level":-27.010780,"freq_skew":2.874039,"avlc":{"src":{"addr":"3C65DA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984720,"usec":817438},"freq":136975000,"burst_len_octets":58,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933116,"noise_level":-26.801197,"freq_skew":5.440602,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJW","mode":"2","label":"13","blk_id":"2","ack":"!","flight":"WK0439","msg_num":"M76","msg_num_seq":"A","msg_text":"LSZH,2011,2031"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984723,"usec":90449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.335548,"noise_level":-25.596380,"freq_skew":4.720072,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984724,"usec":657506},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.880625,"noise_level":-24.989416,"freq_skew":3.779758,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984726,"usec":184375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918098,"noise_level":-27.060823,"freq_skew":5.379049,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984726,"usec":200794},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496667,"noise_level":-27.992315,"freq_skew":3.696404,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5272,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[198,122]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984726,"usec":951284},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541316,"noise_level":-27.608538,"freq_skew":3.726890,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5273,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12887,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[177,123]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":12,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984729,"usec":237924},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.555736,"noise_level":-28.652201,"freq_skew":6.015137,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":9.600000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984729,"usec":977853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882419,"noise_level":-28.512220,"freq_skew":2.053357,"avlc":{"src":{"addr":"3C4B45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984731,"usec":542829},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885242,"noise_level":-27.812040,"freq_skew":4.767300,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINF","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"LH06VP","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984731,"usec":556540},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.113275,"noise_level":-29.936203,"freq_skew":4.532413,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984733,"usec":69668},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.682119,"noise_level":-30.794060,"freq_skew":4.794973,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984734,"usec":593401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.592286,"noise_level":-31.146484,"freq_skew":3.992548,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984736,"usec":851493},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008080,"noise_level":-31.040730,"freq_skew":3.813623,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984736,"usec":856281},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960108,"noise_level":-30.617710,"freq_skew":1.332145,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55593,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[197,195,229,227]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984737,"usec":611715},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858415,"noise_level":-31.009598,"freq_skew":4.721083,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984737,"usec":614943},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946475,"noise_level":-31.334816,"freq_skew":3.814351,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984738,"usec":417694},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797945,"noise_level":-31.270990,"freq_skew":5.766166,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":390,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12823,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[127,97]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984738,"usec":419909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836933,"noise_level":-31.051228,"freq_skew":6.239025,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984738,"usec":422795},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872447,"noise_level":-30.686960,"freq_skew":4.965107,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"11981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINF","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"LH06VP","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984739,"usec":956326},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810347,"noise_level":-29.984980,"freq_skew":5.413506,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984740,"usec":713033},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087715,"noise_level":-29.325195,"freq_skew":5.432892,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984741,"usec":474598},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814651,"noise_level":-28.664778,"freq_skew":4.785546,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984743,"usec":749404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996633,"noise_level":-28.073181,"freq_skew":3.935184,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984743,"usec":760002},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687074,"noise_level":-27.855894,"freq_skew":4.551351,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[117,10,122,106]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984744,"usec":552877},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.587614,"noise_level":-27.519157,"freq_skew":4.129377,"avlc":{"src":{"addr":"39856A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984745,"usec":306961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199530,"noise_level":-27.135532,"freq_skew":3.891092,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984746,"usec":826580},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768254,"noise_level":-26.501709,"freq_skew":2.759624,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984746,"usec":850508},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.411491,"noise_level":-26.330128,"freq_skew":4.949435,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWJ","mode":"2","label":"_d","blk_id":"2","ack":"F","flight":"4X2796","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984747,"usec":584174},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.246339,"noise_level":-26.222780,"freq_skew":2.904388,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":172,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984747,"usec":587443},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.511872,"noise_level":-26.169598,"freq_skew":1.895684,"avlc":{"src":{"addr":"3C66E1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12885,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[181,237,186,144]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12885,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[185,134,102,181]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":12,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984748,"usec":349710},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664922,"noise_level":-26.091648,"freq_skew":4.168411,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984749,"usec":879748},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.152984,"noise_level":-26.307524,"freq_skew":2.712521,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":173,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984750,"usec":613958},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181370,"noise_level":-26.555916,"freq_skew":1.708595,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984750,"usec":617167},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758673,"noise_level":-26.336979,"freq_skew":6.345654,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984750,"usec":618285},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.217900,"noise_level":-26.590231,"freq_skew":3.104774,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984751,"usec":377091},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.271577,"noise_level":-26.226942,"freq_skew":3.998640,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":610,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12606,"sseq":15,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[86,192,130,31]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":15,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":12,"sec":29}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984752,"usec":180331},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.411768,"noise_level":-26.103298,"freq_skew":4.827639,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984752,"usec":181432},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.860481,"noise_level":-26.609861,"freq_skew":4.050855,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":591,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[54,78,132,144]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":12,"sec":29}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984752,"usec":185470},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891539,"noise_level":-26.317379,"freq_skew":4.118941,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161,193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984752,"usec":943403},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.075670,"noise_level":-26.571293,"freq_skew":3.962883,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":612,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":66,"dst_ref":12606,"variable_part_params":[{"name":"atn_checksum","value":[157,126,94,151]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984753,"usec":699122},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916685,"noise_level":-26.442684,"freq_skew":4.187848,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984756,"usec":1135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867636,"noise_level":-26.627415,"freq_skew":6.024093,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984759,"usec":839745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.565665,"noise_level":-27.949966,"freq_skew":4.232065,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984762,"usec":884014},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656176,"noise_level":-27.484158,"freq_skew":4.965105,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984763,"usec":630584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.834958,"noise_level":-27.261877,"freq_skew":6.285946,"avlc":{"src":{"addr":"3C0ACC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984763,"usec":638361},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638511,"noise_level":-27.737398,"freq_skew":6.290802,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984763,"usec":642343},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.066874,"noise_level":-27.653133,"freq_skew":4.723971,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984763,"usec":646198},"freq":136975000,"burst_len_octets":255,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822011,"noise_level":-27.569679,"freq_skew":3.706920,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINB","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"LH037F","msg_num":"D84","msg_num_seq":"L","sublabel":"DF","msg_text":"0/1X3481,N0250,048,019,040,025,007,2/2E0359,0707,53,128,006,000,028,0/2N0360,0708,51,116,006,000,037,0/2S0652,2818,016,011,151,42,13137,2/2T0665,2848,012,011,137,45,13157,2/2V0132,N047,02016,00384,227,232,2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984763,"usec":649305},"freq":136975000,"burst_len_octets":89,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870269,"noise_level":-27.528250,"freq_skew":3.459663,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINB","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"LH037F","msg_num":"D84","msg_num_seq":"M","sublabel":"DF","msg_text":"32,0/2X3481,N0250,047,019,041,026,007,2/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984768,"usec":992478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534600,"noise_level":-26.622332,"freq_skew":3.712101,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984770,"usec":518907},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.457791,"noise_level":-26.684155,"freq_skew":6.277403,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984770,"usec":518907},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.457791,"noise_level":-26.684155,"freq_skew":6.277403,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984770,"usec":525353},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.107392,"noise_level":-27.384111,"freq_skew":5.414674,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":562,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55611,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[80,148,245,252]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984770,"usec":525353},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.107392,"noise_level":-27.384111,"freq_skew":5.414674,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":74,"dst_ref":55611,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[252,73,108,58]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984772,"usec":83700},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275913,"noise_level":-26.625553,"freq_skew":5.375492,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984773,"usec":615389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695658,"noise_level":-26.189701,"freq_skew":3.570791,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984774,"usec":350508},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250383,"noise_level":-26.119135,"freq_skew":5.366878,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984774,"usec":357383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027364,"noise_level":-25.997005,"freq_skew":6.135563,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984774,"usec":371150},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499645,"noise_level":-26.339569,"freq_skew":6.251831,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":495,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":73,"dst_ref":12734,"variable_part_params":[{"name":"atn_checksum","value":[60,226,213,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984774,"usec":376344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.646991,"noise_level":-26.249924,"freq_skew":1.615111,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984776,"usec":632377},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-8.996570,"noise_level":-27.155523,"freq_skew":4.218127,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984778,"usec":210115},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.688004,"noise_level":-28.093643,"freq_skew":1.715665,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12898,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[148,102,70,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984778,"usec":222061},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424282,"noise_level":-28.571138,"freq_skew":1.829871,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12898,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[9,193,253,38]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":12,"sec":57}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984778,"usec":955462},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259383,"noise_level":-28.455410,"freq_skew":4.672027,"avlc":{"src":{"addr":"4D24E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":27,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55604,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[63,250,161,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984778,"usec":968470},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042604,"noise_level":-28.228472,"freq_skew":5.462776,"avlc":{"src":{"addr":"4B1620","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984778,"usec":977297},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.978960,"noise_level":-28.051094,"freq_skew":4.500299,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36783,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[74,111,204,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984780,"usec":470533},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.457519,"noise_level":-28.123636,"freq_skew":3.604969,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5279,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[186,131]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984782,"usec":748177},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.414463,"noise_level":-26.403048,"freq_skew":1.710744,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[0,32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984787,"usec":372122},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.610539,"noise_level":-28.055492,"freq_skew":3.824318,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984787,"usec":372122},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.610539,"noise_level":-28.055492,"freq_skew":3.824318,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":945,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12900,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[100,208,87,215]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984789,"usec":640145},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.501299,"noise_level":-27.190027,"freq_skew":4.856842,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984791,"usec":160087},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.624157,"noise_level":-27.758881,"freq_skew":4.317638,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984794,"usec":230140},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.491780,"noise_level":-27.517214,"freq_skew":1.791911,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984794,"usec":252213},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.199047,"noise_level":-27.193117,"freq_skew":1.828752,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984794,"usec":253201},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.230312,"noise_level":-28.127775,"freq_skew":4.476451,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984796,"usec":509744},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.261037,"noise_level":-26.442478,"freq_skew":4.312986,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984799,"usec":602570},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.216702,"noise_level":-25.047159,"freq_skew":4.689866,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36783,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[74,111,204,133]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984800,"usec":368350},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.799451,"noise_level":-24.490746,"freq_skew":5.365185,"avlc":{"src":{"addr":"4CA88C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5999,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36767,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[44,185]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984804,"usec":168340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.632336,"noise_level":-22.765736,"freq_skew":3.002054,"avlc":{"src":{"addr":"4D240B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984804,"usec":934013},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189536,"noise_level":-22.414644,"freq_skew":4.533831,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984806,"usec":497709},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.455824,"noise_level":-21.902437,"freq_skew":4.343859,"avlc":{"src":{"addr":"4CA2C0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984808,"usec":4280},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.848204,"noise_level":-23.802454,"freq_skew":3.185445,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984808,"usec":772082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.173962,"noise_level":-23.511337,"freq_skew":2.929743,"avlc":{"src":{"addr":"3C64AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984811,"usec":20615},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.774821,"noise_level":-22.811550,"freq_skew":2.635703,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984812,"usec":585340},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220983,"noise_level":-23.019707,"freq_skew":2.882522,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984813,"usec":348778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561681,"noise_level":-23.408245,"freq_skew":2.042399,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984814,"usec":875573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013610,"noise_level":-23.791677,"freq_skew":4.392939,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984815,"usec":639020},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154039,"noise_level":-23.922930,"freq_skew":4.627464,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,74,85,0,68,13,175,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984816,"usec":408254},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.756402,"noise_level":-23.419313,"freq_skew":4.756356,"avlc":{"src":{"addr":"4D24B3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26E217","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984817,"usec":934592},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.066744,"noise_level":-23.557068,"freq_skew":4.579422,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":672,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36783,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[14,67,228,204]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":13,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984818,"usec":717275},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100764,"noise_level":-24.410572,"freq_skew":4.360616,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":673,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36783,"credit":3,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[89,40,1,55]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984819,"usec":492404},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.503688,"noise_level":-24.414600,"freq_skew":4.591390,"avlc":{"src":{"addr":"440DAF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984819,"usec":498956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.306502,"noise_level":-24.342705,"freq_skew":4.811885,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984820,"usec":998667},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.327574,"noise_level":-25.253145,"freq_skew":4.194226,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984823,"usec":281304},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830905,"noise_level":-24.876013,"freq_skew":4.729680,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":186,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55607,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[184,119,41,82]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984831,"usec":684608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.308418,"noise_level":-23.487255,"freq_skew":4.428888,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984833,"usec":261751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.212042,"noise_level":-24.248657,"freq_skew":4.525331,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984834,"usec":762510},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.024417,"noise_level":-25.434856,"freq_skew":3.837385,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":950,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12903,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[202,103,87,215]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984835,"usec":528664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848916,"noise_level":-25.626677,"freq_skew":1.596366,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984835,"usec":535664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724441,"noise_level":-25.593536,"freq_skew":3.713087,"avlc":{"src":{"addr":"471D6C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984838,"usec":563368},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.297982,"noise_level":-24.079624,"freq_skew":3.962334,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55592,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[239,139,248,86]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55592,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[131,138,87,178]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":13,"sec":56}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984839,"usec":336486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641452,"noise_level":-23.632839,"freq_skew":4.338383,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984839,"usec":337053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.563368,"noise_level":-23.632839,"freq_skew":3.984026,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984840,"usec":124428},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801126,"noise_level":-23.321758,"freq_skew":6.322868,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":260,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984840,"usec":865696},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613278,"noise_level":-23.837547,"freq_skew":1.583498,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984840,"usec":871762},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.864635,"noise_level":-23.624012,"freq_skew":1.476218,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55593,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[117,148,105,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984841,"usec":627305},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907640,"noise_level":-23.441381,"freq_skew":1.424331,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55593,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[220,21,108,201]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":13,"sec":59}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984842,"usec":386502},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363436,"noise_level":-23.260571,"freq_skew":4.687882,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMD","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"XQ07HJ","msg_num":"S04","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984843,"usec":145610},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.700102,"noise_level":-23.157135,"freq_skew":4.645727,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746644","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,164,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984843,"usec":145921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911842,"noise_level":-23.157135,"freq_skew":5.773623,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984843,"usec":904632},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928236,"noise_level":-23.879494,"freq_skew":6.115371,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984844,"usec":686711},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.747731,"noise_level":-23.520447,"freq_skew":5.336876,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984847,"usec":22926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660744,"noise_level":-23.581190,"freq_skew":3.235404,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984847,"usec":753547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952542,"noise_level":-23.438946,"freq_skew":3.316970,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984848,"usec":531777},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480807,"noise_level":-23.340981,"freq_skew":4.057620,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984850,"usec":793971},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.067817,"noise_level":-23.089312,"freq_skew":1.558640,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984850,"usec":811556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.424528,"noise_level":-22.935783,"freq_skew":3.876698,"avlc":{"src":{"addr":"4080E4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984851,"usec":548415},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772050,"noise_level":-22.911457,"freq_skew":4.788008,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":2}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.500000,"lon":9.600000},"alt":16000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984852,"usec":317589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.776214,"noise_level":-23.020035,"freq_skew":4.454015,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984852,"usec":333584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879451,"noise_level":-22.861616,"freq_skew":1.459555,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984857,"usec":672425},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.294667,"noise_level":-22.581562,"freq_skew":7.036796,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12868,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[26,241,99,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984858,"usec":454460},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.501816,"noise_level":-23.065926,"freq_skew":4.876705,"avlc":{"src":{"addr":"3C6643","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRC","mode":"2","label":"_d","blk_id":"0","ack":"G","flight":"LH004T","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984860,"usec":8686},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.863209,"noise_level":-22.561611,"freq_skew":1.575240,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984860,"usec":8686},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-4.863209,"noise_level":-22.561611,"freq_skew":1.575240,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22614005","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,82,0,75,24,5,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984860,"usec":8686},"freq":136975000,"burst_len_octets":180,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":2,"sig_level":-4.863209,"noise_level":-22.561611,"freq_skew":1.575240,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JCN","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LX02MB","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984864,"usec":556494},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.851413,"noise_level":-22.210180,"freq_skew":3.548719,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984869,"usec":164414},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.597635,"noise_level":-22.287498,"freq_skew":5.481945,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":514,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55621,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[213,0,14,196]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55621,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[30,83,138,121]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":14,"sec":27}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984869,"usec":909754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941087,"noise_level":-22.428961,"freq_skew":4.437588,"avlc":{"src":{"addr":"39A206","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984871,"usec":421178},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.170264,"noise_level":-21.949663,"freq_skew":2.574792,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":171,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984871,"usec":426904},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116252,"noise_level":-21.766779,"freq_skew":5.395453,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984872,"usec":182546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149512,"noise_level":-21.598103,"freq_skew":2.528942,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984876,"usec":804397},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720905,"noise_level":-20.193684,"freq_skew":3.612136,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5282,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[73,77]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984881,"usec":403684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.966640,"noise_level":-19.956047,"freq_skew":4.889006,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984885,"usec":994095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.397192,"noise_level":-19.196709,"freq_skew":4.633535,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984886,"usec":752720},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.213082,"noise_level":-18.993223,"freq_skew":4.287140,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984887,"usec":514496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.430452,"noise_level":-19.233870,"freq_skew":4.412201,"avlc":{"src":{"addr":"4B193A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984898,"usec":201191},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844610,"noise_level":-17.341574,"freq_skew":4.429551,"avlc":{"src":{"addr":"4951D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":223,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984899,"usec":721649},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.131475,"noise_level":-17.221695,"freq_skew":4.582886,"avlc":{"src":{"addr":"4951D8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984900,"usec":520488},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.566930,"noise_level":-18.186857,"freq_skew":2.450170,"avlc":{"src":{"addr":"3C66EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":75,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984904,"usec":328124},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.200935,"noise_level":-18.492998,"freq_skew":6.205591,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984906,"usec":638591},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.308506,"noise_level":-20.282623,"freq_skew":1.363781,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":470,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55593,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[187,248,172,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984907,"usec":394426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551368,"noise_level":-20.069889,"freq_skew":1.723875,"avlc":{"src":{"addr":"3C65C7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25595,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[180,215,225,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984907,"usec":408997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.361361,"noise_level":-21.206520,"freq_skew":2.246390,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984911,"usec":962459},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.420504,"noise_level":-20.215342,"freq_skew":1.555053,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984913,"usec":526628},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.422374,"noise_level":-21.093090,"freq_skew":2.540801,"avlc":{"src":{"addr":"3C66EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984914,"usec":289509},"freq":136975000,"burst_len_octets":28,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.956030,"noise_level":-21.198118,"freq_skew":2.200417,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984914,"usec":298158},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016041,"noise_level":-21.159029,"freq_skew":2.297861,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ATCF","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"DE06LC","msg_num":"M28","msg_num_seq":"A","msg_text":"00000200 00OEDDB,,"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984915,"usec":63320},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.347455,"noise_level":-22.456341,"freq_skew":1.642431,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21596,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[82,79,38,246]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984915,"usec":796482},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.848349,"noise_level":-24.060221,"freq_skew":1.459965,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984916,"usec":557374},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.271273,"noise_level":-24.494038,"freq_skew":4.784398,"avlc":{"src":{"addr":"3C664E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984919,"usec":598010},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.783057,"noise_level":-23.481155,"freq_skew":2.378942,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":312,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984924,"usec":211077},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611053,"noise_level":-23.032940,"freq_skew":7.014872,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984924,"usec":220960},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567273,"noise_level":-24.144871,"freq_skew":2.370190,"avlc":{"src":{"addr":"3C0ACA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,67,70,71,0,60,10,202,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984925,"usec":720490},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947345,"noise_level":-24.662979,"freq_skew":4.632523,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984925,"usec":745441},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.181823,"noise_level":-25.012190,"freq_skew":2.425538,"avlc":{"src":{"addr":"4D21D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984927,"usec":299190},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908834,"noise_level":-24.668869,"freq_skew":6.803966,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":41,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12868,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[141,230,130,36]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":15,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984928,"usec":69849},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.358954,"noise_level":-25.708000,"freq_skew":6.961514,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984934,"usec":924158},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685072,"noise_level":-26.479626,"freq_skew":6.685012,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984934,"usec":941639},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058469,"noise_level":-26.569403,"freq_skew":2.401723,"avlc":{"src":{"addr":"4D21D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":206,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":524,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":5,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984936,"usec":446397},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839444,"noise_level":-25.842018,"freq_skew":2.339310,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXT","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH08DM","msg_num":"M38","msg_num_seq":"A","msg_text":"00113234269OCR,,L2S2IWWP48(OW4AK70"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984937,"usec":236496},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793941,"noise_level":-25.155128,"freq_skew":2.126388,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984937,"usec":976615},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810236,"noise_level":-24.846199,"freq_skew":3.324151,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":989,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8157,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[4,111,161,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984939,"usec":473701},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091741,"noise_level":-24.615871,"freq_skew":3.344917,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984939,"usec":481186},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756523,"noise_level":-24.368212,"freq_skew":3.358732,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984941,"usec":48819},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717609,"noise_level":-23.920355,"freq_skew":4.688001,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984941,"usec":812295},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.497681,"noise_level":-24.360132,"freq_skew":3.551709,"avlc":{"src":{"addr":"48AF01","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984944,"usec":83013},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.002481,"noise_level":-23.358345,"freq_skew":5.546130,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXR","mode":"2","label":"_d","blk_id":"4","ack":"T","flight":"KL067N","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984944,"usec":91962},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.169716,"noise_level":-23.256655,"freq_skew":5.347911,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":394,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12823,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[8,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984944,"usec":93892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393710,"noise_level":-23.244028,"freq_skew":6.719721,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984944,"usec":856074},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.246251,"noise_level":-24.082773,"freq_skew":5.342688,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":395,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12823,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[88,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":15,"sec":42}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984946,"usec":352382},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933787,"noise_level":-23.675194,"freq_skew":5.466960,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-EXR","mode":"2","label":"_d","blk_id":"5","ack":"U","flight":"KL067N","msg_num":"M16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984947,"usec":922061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.355497,"noise_level":-22.908888,"freq_skew":4.059077,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984958,"usec":608038},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552796,"noise_level":-23.205385,"freq_skew":3.868098,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984967,"usec":805390},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.404229,"noise_level":-20.594906,"freq_skew":0.736444,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLQ","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"WK0187","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984968,"usec":565334},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.393512,"noise_level":-20.356365,"freq_skew":0.810874,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984969,"usec":341930},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804383,"noise_level":-20.507689,"freq_skew":4.877234,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984969,"usec":351105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.123749,"noise_level":-20.984951,"freq_skew":0.831376,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984970,"usec":114182},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786952,"noise_level":-20.934254,"freq_skew":4.668250,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":49.900002,"lon":10.700000},"alt":31000}},{"name":"alternate_ground_stations","value":["1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984973,"usec":127144},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118193,"noise_level":-20.166407,"freq_skew":4.609926,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984973,"usec":134607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.819098,"noise_level":-20.994251,"freq_skew":0.931601,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984973,"usec":147651},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.577765,"noise_level":-20.887774,"freq_skew":2.568328,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984975,"usec":437924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.361328,"noise_level":-21.389397,"freq_skew":5.707385,"avlc":{"src":{"addr":"4D248D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"214AB7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984975,"usec":440902},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.958831,"noise_level":-21.897335,"freq_skew":4.754402,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984976,"usec":201680},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419561,"noise_level":-22.216164,"freq_skew":3.696119,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5283,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25587,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[145,58]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984976,"usec":202387},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694215,"noise_level":-22.182596,"freq_skew":6.488538,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984976,"usec":957895},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.190209,"noise_level":-22.827881,"freq_skew":3.549065,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5284,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[73,77]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984976,"usec":958765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043153,"noise_level":-22.791870,"freq_skew":3.971958,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984977,"usec":720011},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768781,"noise_level":-22.428246,"freq_skew":3.654845,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984983,"usec":107864},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788770,"noise_level":-22.445072,"freq_skew":2.823305,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984983,"usec":113617},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657831,"noise_level":-22.376286,"freq_skew":4.364620,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"B9","blk_id":"4","ack":"!","flight":"LH051A","msg_num":"M40","msg_num_seq":"A","msg_text":"/LOWS.TI2/040LOWSAE714"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984984,"usec":604562},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713174,"noise_level":-22.428268,"freq_skew":6.096635,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHZ","mode":"2","label":"35","blk_id":"4","ack":"!","flight":"LX979E","msg_num":"M55","msg_num_seq":"A","msg_text":"MPL/LX0979/FG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984986,"usec":899861},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.618545,"noise_level":-23.082449,"freq_skew":5.074905,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"20100641","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,66,65,87,0,64,129,161,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984988,"usec":445946},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699015,"noise_level":-23.245724,"freq_skew":5.014726,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSB","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"BA910N","msg_num":"S82","msg_num_seq":"A","msg_text":"0EV201625V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":16,"sec":25}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984988,"usec":453380},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604054,"noise_level":-23.182846,"freq_skew":4.308021,"avlc":{"src":{"addr":"3C6588","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILH","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"LH051A","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984988,"usec":467503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651837,"noise_level":-23.021460,"freq_skew":5.976790,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984989,"usec":965414},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710310,"noise_level":-22.601297,"freq_skew":6.092485,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984991,"usec":482144},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.869112,"noise_level":-22.755070,"freq_skew":2.774456,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":170,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984992,"usec":241234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.342331,"noise_level":-22.438835,"freq_skew":2.701367,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984992,"usec":993563},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543280,"noise_level":-22.381517,"freq_skew":3.143117,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984993,"usec":761140},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.779160,"noise_level":-23.678123,"freq_skew":6.047307,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHZ","mode":"2","label":"_d","blk_id":"5","ack":"T","flight":"LX979E","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984993,"usec":780741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.976732,"noise_level":-23.455486,"freq_skew":2.978214,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984995,"usec":346131},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072412,"noise_level":-24.325912,"freq_skew":4.544458,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984995,"usec":348227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950134,"noise_level":-24.373405,"freq_skew":4.009290,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984996,"usec":109007},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.567933,"noise_level":-24.626743,"freq_skew":3.612143,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984996,"usec":870858},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.448155,"noise_level":-24.950979,"freq_skew":1.666656,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EGPH"},{"name":"ac_location","value":{"loc":{"lat":50.000000,"lon":8.200000},"alt":9000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984997,"usec":597579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-9.626718,"noise_level":-24.783649,"freq_skew":5.400169,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984997,"usec":599434},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485497,"noise_level":-25.725882,"freq_skew":2.393577,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984997,"usec":601333},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.979511,"noise_level":-26.335300,"freq_skew":2.071351,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXT","mode":"2","label":"_d","blk_id":"0","ack":"F","flight":"LH08DM","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788984999,"usec":893102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732262,"noise_level":-27.366446,"freq_skew":2.375462,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985000,"usec":654335},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548666,"noise_level":-26.835361,"freq_skew":1.669441,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985005,"usec":994146},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961039,"noise_level":-24.774496,"freq_skew":4.234884,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":617,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":591,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,176,0,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985006,"usec":756539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872746,"noise_level":-24.263092,"freq_skew":4.233653,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985009,"usec":102749},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513856,"noise_level":-23.442907,"freq_skew":3.715266,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":29,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985013,"usec":676184},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981430,"noise_level":-24.132874,"freq_skew":4.853245,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985016,"usec":724440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875438,"noise_level":-24.742146,"freq_skew":1.474413,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985016,"usec":744020},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877368,"noise_level":-24.564049,"freq_skew":4.495012,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985021,"usec":326662},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650140,"noise_level":-23.142056,"freq_skew":3.920988,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1219,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985024,"usec":378627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.395838,"noise_level":-21.998522,"freq_skew":4.046608,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985025,"usec":131727},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.125158,"noise_level":-24.358522,"freq_skew":2.598843,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985025,"usec":888160},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780546,"noise_level":-24.342707,"freq_skew":0.708116,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLQ","mode":"2","label":"_d","blk_id":"1","ack":"E","flight":"WK0187","msg_num":"S98","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985025,"usec":891203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.740515,"noise_level":-24.299850,"freq_skew":1.628996,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985025,"usec":897653},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218699,"noise_level":-24.214767,"freq_skew":2.304341,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985026,"usec":663018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.623455,"noise_level":-23.855419,"freq_skew":2.474344,"avlc":{"src":{"addr":"3C65D6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985028,"usec":181736},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.412673,"noise_level":-26.787508,"freq_skew":2.533325,"avlc":{"src":{"addr":"4B1805","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985029,"usec":757166},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723258,"noise_level":-25.801937,"freq_skew":2.547309,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":245,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":57,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985031,"usec":261357},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684868,"noise_level":-28.592594,"freq_skew":4.288029,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985031,"usec":276120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.340375,"noise_level":-28.825741,"freq_skew":4.412495,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985032,"usec":22010},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.594960,"noise_level":-28.358650,"freq_skew":4.072299,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985037,"usec":366304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.060303,"noise_level":-27.811117,"freq_skew":6.513119,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985041,"usec":185735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.979160,"noise_level":-26.635372,"freq_skew":6.282248,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985042,"usec":726164},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.957922,"noise_level":-26.890369,"freq_skew":2.541598,"avlc":{"src":{"addr":"4CA217","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985045,"usec":792776},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810870,"noise_level":-25.378893,"freq_skew":4.191168,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985048,"usec":62061},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.846666,"noise_level":-24.331367,"freq_skew":3.877518,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985048,"usec":877701},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060584,"noise_level":-24.638422,"freq_skew":3.921668,"avlc":{"src":{"addr":"4CAE99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985049,"usec":630375},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196457,"noise_level":-24.761770,"freq_skew":4.823648,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985051,"usec":889106},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.393787,"noise_level":-25.371941,"freq_skew":2.429782,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINY","mode":"2","label":"SA","blk_id":"9","ack":"!","flight":"LH0866","msg_num":"S26","msg_num_seq":"A","msg_text":"0EV201729V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":17,"sec":29}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985052,"usec":648052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782546,"noise_level":-25.008831,"freq_skew":4.827764,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985052,"usec":650445},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.327043,"noise_level":-24.870775,"freq_skew":2.480139,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985053,"usec":404783},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.384824,"noise_level":-24.795017,"freq_skew":2.624585,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985053,"usec":406322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861687,"noise_level":-25.126780,"freq_skew":1.690550,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985055,"usec":748599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891991,"noise_level":-25.853033,"freq_skew":3.935987,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985058,"usec":785308},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.440903,"noise_level":-25.674225,"freq_skew":3.543959,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985059,"usec":561758},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.542114,"noise_level":-25.754356,"freq_skew":5.030463,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985061,"usec":867770},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670094,"noise_level":-25.899921,"freq_skew":6.705724,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985063,"usec":389236},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.375746,"noise_level":-27.395309,"freq_skew":6.323730,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":9.100000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985063,"usec":389236},"freq":136975000,"burst_len_octets":107,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.375746,"noise_level":-27.395309,"freq_skew":6.323730,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHZ","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LX979E","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985064,"usec":150661},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246702,"noise_level":-28.330687,"freq_skew":1.636173,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985064,"usec":157825},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925128,"noise_level":-28.195747,"freq_skew":6.001315,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985065,"usec":646550},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.349412,"noise_level":-27.634102,"freq_skew":3.527937,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABKE","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"ZQ07KD","msg_num":"M09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985065,"usec":646774},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924855,"noise_level":-27.916660,"freq_skew":0.664577,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZZ","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH1326","msg_num":"S29","msg_num_seq":"A","msg_text":"0EV201742V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":17,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985068,"usec":680559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676238,"noise_level":-28.984886,"freq_skew":4.024151,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985071,"usec":17398},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722627,"noise_level":-29.311775,"freq_skew":3.743491,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985071,"usec":786694},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028630,"noise_level":-30.742968,"freq_skew":2.169396,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985072,"usec":553837},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.092359,"noise_level":-31.750315,"freq_skew":2.624339,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":169,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985072,"usec":569163},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467109,"noise_level":-31.420658,"freq_skew":2.439169,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33363,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[55,206,142,61]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985074,"usec":61132},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003067,"noise_level":-30.801847,"freq_skew":5.980496,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985075,"usec":594680},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755878,"noise_level":-29.627840,"freq_skew":4.068326,"avlc":{"src":{"addr":"4B8E45","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CRE","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"PC1658","msg_num":"S46","msg_num_seq":"A","msg_text":"0E22017532/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":17,"sec":53}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985077,"usec":141198},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508467,"noise_level":-28.800163,"freq_skew":3.569798,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[73,77]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985077,"usec":154169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.367788,"noise_level":-29.335350,"freq_skew":4.067989,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985080,"usec":164429},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.090042,"noise_level":-28.905554,"freq_skew":4.147140,"avlc":{"src":{"addr":"3C5EEE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985083,"usec":258473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458737,"noise_level":-27.982332,"freq_skew":6.058051,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985084,"usec":768472},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.360997,"noise_level":-27.980026,"freq_skew":6.216918,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":505,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55625,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[28,65,143,240]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55625,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,196,253,232]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":18,"sec":3}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985086,"usec":285615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732483,"noise_level":-27.051861,"freq_skew":3.647215,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985086,"usec":290976},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.124279,"noise_level":-27.348438,"freq_skew":3.640234,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12887,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[73,77]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985087,"usec":805726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.648664,"noise_level":-26.611431,"freq_skew":1.594975,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985088,"usec":579696},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945946,"noise_level":-26.615332,"freq_skew":3.690382,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985089,"usec":380290},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.601632,"noise_level":-27.247009,"freq_skew":0.569205,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":33,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55622,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[88,99,235,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985091,"usec":655929},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429203,"noise_level":-28.243048,"freq_skew":4.787405,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985094,"usec":693428},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767795,"noise_level":-27.844706,"freq_skew":5.400436,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985096,"usec":254847},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415397,"noise_level":-26.515825,"freq_skew":3.657557,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25587,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[145,58]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985099,"usec":316150},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.068655,"noise_level":-25.603601,"freq_skew":4.303847,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25533,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[192,38,151,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985100,"usec":818936},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992604,"noise_level":-25.859158,"freq_skew":4.447743,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985103,"usec":894608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.304472,"noise_level":-25.434416,"freq_skew":4.566191,"avlc":{"src":{"addr":"4BCDB4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985104,"usec":660340},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.621856,"noise_level":-25.225840,"freq_skew":2.883089,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985109,"usec":261857},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.480660,"noise_level":-25.738485,"freq_skew":4.739591,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4175,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[91,110]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985109,"usec":264025},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633595,"noise_level":-25.721684,"freq_skew":4.885167,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985110,"usec":34562},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.432071,"noise_level":-25.999239,"freq_skew":4.748238,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985110,"usec":767563},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828404,"noise_level":-25.842289,"freq_skew":4.778392,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":253,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33219,"credit":5,"rseq":16,"variable_part_params":[{"name":"atn_checksum","value":[152,164,21,205]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985111,"usec":528016},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016886,"noise_level":-25.475714,"freq_skew":0.448453,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985113,"usec":43958},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709154,"noise_level":-25.436766,"freq_skew":2.709070,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":169,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985113,"usec":45686},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.386858,"noise_level":-26.020605,"freq_skew":2.586003,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":169,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985113,"usec":805012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.722285,"noise_level":-25.613375,"freq_skew":2.601320,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985115,"usec":399393},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006772,"noise_level":-24.894104,"freq_skew":0.933806,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985116,"usec":896760},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834006,"noise_level":-25.496704,"freq_skew":0.641077,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985119,"usec":188503},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731431,"noise_level":-25.326822,"freq_skew":5.329236,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985123,"usec":782536},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844785,"noise_level":-23.804276,"freq_skew":1.305840,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985125,"usec":290056},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.422974,"noise_level":-24.226683,"freq_skew":0.864986,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985126,"usec":52210},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853917,"noise_level":-24.497711,"freq_skew":4.206140,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":621,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":591,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[64,176,0,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985127,"usec":567140},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834167,"noise_level":-23.946991,"freq_skew":4.103718,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985129,"usec":914480},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070230,"noise_level":-23.662144,"freq_skew":4.364280,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":591,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[94,179,17,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985132,"usec":952429},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561240,"noise_level":-25.853827,"freq_skew":4.289379,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":622,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":591,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[94,179,17,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985138,"usec":304223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807021,"noise_level":-25.961872,"freq_skew":2.920034,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985139,"usec":814521},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.467498,"noise_level":-25.345810,"freq_skew":2.564739,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985141,"usec":326246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383667,"noise_level":-26.281326,"freq_skew":5.524732,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985141,"usec":327253},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.720879,"noise_level":-26.617815,"freq_skew":2.438571,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":42,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33363,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[248,247,155,77]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":18,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985143,"usec":661240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577816,"noise_level":-29.068077,"freq_skew":6.307143,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985145,"usec":945169},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781065,"noise_level":-28.447876,"freq_skew":4.873344,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985149,"usec":783669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862259,"noise_level":-25.932425,"freq_skew":3.507224,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985149,"usec":785039},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.362032,"noise_level":-26.417767,"freq_skew":2.666290,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LEVC"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":7.100000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985154,"usec":349667},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829952,"noise_level":-26.929968,"freq_skew":0.691691,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":38,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55622,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[88,99,235,10]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985155,"usec":109887},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728920,"noise_level":-27.623806,"freq_skew":2.633006,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":45,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33363,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[65,69,112,128]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985158,"usec":174838},"freq":136975000,"burst_len_octets":82,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647420,"noise_level":-27.819769,"freq_skew":5.531264,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DCIAI","mode":"2","label":"83","blk_id":"1","ack":"!","flight":"XA0001","msg_num":"M05","msg_num_seq":"A","msg_text":"001PR09201915N5104.0E01119.22393810025"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985158,"usec":931765},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.110598,"noise_level":-28.347321,"freq_skew":1.451628,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985158,"usec":935327},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.217362,"noise_level":-28.822863,"freq_skew":4.196470,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TVW","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"QS08JA","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985161,"usec":216948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.813583,"noise_level":-27.594692,"freq_skew":4.216737,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985161,"usec":231004},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713225,"noise_level":-27.511633,"freq_skew":5.536062,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985161,"usec":991916},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582697,"noise_level":-28.162596,"freq_skew":4.599920,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":8.800000},"alt":13000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985162,"usec":2027},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244730,"noise_level":-28.008358,"freq_skew":6.294157,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IHZ","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LX979E","msg_num":"201","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E4500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985162,"usec":775915},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916853,"noise_level":-28.349590,"freq_skew":5.563520,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985164,"usec":325405},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703023,"noise_level":-27.122990,"freq_skew":3.782880,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5289,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12887,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[169,127]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":19,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985165,"usec":814830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057969,"noise_level":-27.542370,"freq_skew":4.700805,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985165,"usec":837356},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.374725,"noise_level":-27.988125,"freq_skew":3.737047,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985167,"usec":347614},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.341295,"noise_level":-27.864147,"freq_skew":2.428503,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985168,"usec":97773},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.486727,"noise_level":-27.933409,"freq_skew":1.479735,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":578,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33387,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[183,100,111,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985168,"usec":97773},"freq":136975000,"burst_len_octets":141,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.486727,"noise_level":-27.933409,"freq_skew":1.479735,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33387,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[119,53,244,211]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,3958213,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"DLH5EL","long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,101,197],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,1]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[65,68,76,72,0],"short_tsap":{"ars":[60,101,197],"loc_sys_nsel_tsel":[0,0,83,65,65,66,0,0,1,22]}}}}}}],"departure_airport":"EDDF","destination_airport":"EGPH"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985173,"usec":457087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.787039,"noise_level":-27.314964,"freq_skew":2.602479,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985174,"usec":994346},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691948,"noise_level":-26.562166,"freq_skew":6.156679,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-CPE","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"PC1650","msg_num":"L08","msg_num_seq":"A","msg_text":"/EDDN.TI2/024EDDNA99EF"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985176,"usec":498613},"freq":136975000,"burst_len_octets":153,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812704,"noise_level":-26.941051,"freq_skew":2.877346,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINY","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"LH0866","msg_num":"D14","msg_num_seq":"L","sublabel":"DF","msg_text":"00,5642,007,000,149,40,08584,2/2V0092,N017,00800,00704,237,236,233,0/2X2901,00450,110,001,049,042,010,1/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985176,"usec":514832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734635,"noise_level":-26.693527,"freq_skew":0.650478,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985179,"usec":592137},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.756894,"noise_level":-27.160147,"freq_skew":3.485815,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25587,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[193,28]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":19,"sec":37}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985180,"usec":360643},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931196,"noise_level":-26.566847,"freq_skew":3.733378,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985181,"usec":106074},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540826,"noise_level":-26.516550,"freq_skew":0.484093,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12909,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[28,201,237,122]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":19,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985182,"usec":616178},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.852050,"noise_level":-26.464466,"freq_skew":0.468806,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985182,"usec":638788},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694376,"noise_level":-27.024763,"freq_skew":3.739340,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5292,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":14,"dst_ref":12887,"variable_part_params":[{"name":"checksum","value":[181,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985183,"usec":401618},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950188,"noise_level":-26.568909,"freq_skew":4.146744,"avlc":{"src":{"addr":"4D239D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985184,"usec":178454},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.138180,"noise_level":-26.440336,"freq_skew":2.624718,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985185,"usec":693632},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609849,"noise_level":-27.075485,"freq_skew":3.778244,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5293,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25587,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[163,211]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985187,"usec":973500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055285,"noise_level":-26.523232,"freq_skew":6.270789,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985188,"usec":730725},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055647,"noise_level":-27.436934,"freq_skew":3.509663,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985188,"usec":731171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594989,"noise_level":-27.416508,"freq_skew":2.590392,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985189,"usec":500881},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.044109,"noise_level":-26.998322,"freq_skew":2.260807,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-EXT","mode":"2","label":"_d","blk_id":"4","ack":"H","flight":"LH08DM","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985191,"usec":89230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331606,"noise_level":-26.196915,"freq_skew":1.635390,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985191,"usec":841455},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.570601,"noise_level":-26.144432,"freq_skew":2.648779,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985192,"usec":588553},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692652,"noise_level":-26.802414,"freq_skew":2.584117,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33363,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[10,177,157,27]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985193,"usec":347322},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375451,"noise_level":-27.177134,"freq_skew":5.609089,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1664,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[242,137]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985196,"usec":380131},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372073,"noise_level":-27.120327,"freq_skew":5.495684,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985198,"usec":719617},"freq":136975000,"burst_len_octets":98,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736683,"noise_level":-25.829031,"freq_skew":2.429473,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIWK","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH004U","msg_num":"M12","msg_num_seq":"A","msg_text":"00008209231G:8:IJ,SS-U4U,201954200TT,H7PKHGM5U1Y233EJ+"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985200,"usec":966759},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278108,"noise_level":-26.772224,"freq_skew":0.564309,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985202,"usec":483998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.818478,"noise_level":-25.907501,"freq_skew":-1.811219,"avlc":{"src":{"addr":"3C6648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985202,"usec":488051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808081,"noise_level":-26.065237,"freq_skew":4.766751,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985203,"usec":295193},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140510,"noise_level":-25.739649,"freq_skew":6.423045,"avlc":{"src":{"addr":"4B8E05","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985203,"usec":298844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645627,"noise_level":-26.293879,"freq_skew":2.553260,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985207,"usec":849203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726406,"noise_level":-25.588211,"freq_skew":4.515701,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985207,"usec":852548},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.117123,"noise_level":-25.440063,"freq_skew":1.408864,"avlc":{"src":{"addr":"4D20EC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985210,"usec":954129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.133079,"noise_level":-25.430279,"freq_skew":4.392663,"avlc":{"src":{"addr":"4BC8C8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985210,"usec":958926},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.765615,"noise_level":-25.349504,"freq_skew":1.436167,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985212,"usec":468567},"freq":136975000,"burst_len_octets":176,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-10.493677,"noise_level":-25.157005,"freq_skew":4.881665,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985213,"usec":230299},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.533634,"noise_level":-24.787506,"freq_skew":3.412091,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985223,"usec":150907},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.693143,"noise_level":-24.465794,"freq_skew":2.949599,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985223,"usec":901979},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.722679,"noise_level":-24.194117,"freq_skew":2.456607,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985223,"usec":918028},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684601,"noise_level":-23.999233,"freq_skew":1.720392,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":10,"chan_num":242,"calling_addr":"22732360","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,77,71,72,0,75,180,240,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985224,"usec":726809},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512557,"noise_level":-23.872328,"freq_skew":3.227083,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985224,"usec":728790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.887971,"noise_level":-23.858774,"freq_skew":1.872246,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985225,"usec":462781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.922169,"noise_level":-24.669498,"freq_skew":2.949155,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985226,"usec":233303},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.293383,"noise_level":-24.348381,"freq_skew":0.663866,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLQ","mode":"2","label":"_d","blk_id":"7","ack":"H","flight":"WK0187","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985227,"usec":740996},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881159,"noise_level":-24.465666,"freq_skew":5.348224,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":286,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12927,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[145,7,20,54]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985227,"usec":757385},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.594569,"noise_level":-25.306152,"freq_skew":5.774514,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":46,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12868,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[196,224,87,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985227,"usec":760804},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.733203,"noise_level":-26.251621,"freq_skew":5.310191,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":287,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12927,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[88,160,140,152]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":20,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985230,"usec":49844},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.874950,"noise_level":-27.253910,"freq_skew":4.486439,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985233,"usec":98458},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532927,"noise_level":-25.634037,"freq_skew":6.600387,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSB","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"BA910N","msg_num":"M43","msg_num_seq":"A","msg_text":"/EDDF.TI2/040EDDFAB7C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985234,"usec":615932},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727099,"noise_level":-25.407812,"freq_skew":1.370326,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985235,"usec":379809},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672760,"noise_level":-26.357349,"freq_skew":4.951149,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSB","mode":"2","label":"_d","blk_id":"1","ack":"Q","flight":"BA910N","msg_num":"S85","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985235,"usec":388487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652320,"noise_level":-26.196323,"freq_skew":5.143712,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985239,"usec":997293},"freq":136975000,"burst_len_octets":43,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943949,"noise_level":-24.386484,"freq_skew":2.747446,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":239,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":334,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33335,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[53,32,102,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985240,"usec":762312},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062266,"noise_level":-23.896801,"freq_skew":5.453244,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985243,"usec":795938},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293861,"noise_level":-23.373184,"freq_skew":4.901886,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985243,"usec":804437},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.518770,"noise_level":-24.129505,"freq_skew":1.423134,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33392,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[43,203,156,237]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985246,"usec":861537},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.218527,"noise_level":-24.583233,"freq_skew":5.591396,"avlc":{"src":{"addr":"4B1A2E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":254,"pdu_id":526,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55621,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[238,16,143,102]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985247,"usec":626948},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.877196,"noise_level":-23.999660,"freq_skew":1.514964,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985249,"usec":907946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.185865,"noise_level":-23.980392,"freq_skew":2.793023,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985249,"usec":919721},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.898835,"noise_level":-23.830603,"freq_skew":4.288006,"avlc":{"src":{"addr":"440488","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985250,"usec":716978},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.478330,"noise_level":-23.716154,"freq_skew":3.819108,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":239,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":335,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33335,"credit":3,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[153,96,57,66]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985252,"usec":260392},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997890,"noise_level":-23.137146,"freq_skew":5.454763,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5231,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8176,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[49,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985254,"usec":508466},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.768726,"noise_level":-22.872105,"freq_skew":1.680130,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWV","mode":"2","label":"SA","blk_id":"8","ack":"!","flight":"LH03JM","msg_num":"S83","msg_num_seq":"A","msg_text":"0EV202042V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":20,"sec":42}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985254,"usec":509163},"freq":136975000,"burst_len_octets":68,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.121961,"noise_level":-22.872105,"freq_skew":2.587355,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":4},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[4]},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":51.900002,"lon":7.300000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985255,"usec":267799},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046117,"noise_level":-22.824551,"freq_skew":5.334364,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985255,"usec":270748},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856923,"noise_level":-22.788553,"freq_skew":2.485429,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":166,"calling_addr":"24037104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,72,83,84,0,80,62,68,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985257,"usec":608369},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.673139,"noise_level":-22.291477,"freq_skew":5.215732,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985258,"usec":348666},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.457193,"noise_level":-24.598095,"freq_skew":5.463743,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EBV","mode":"2","label":"8A","blk_id":"0","ack":"!","flight":"FR926T","msg_num":"M17","msg_num_seq":"A","msg_text":"194309,O,EDSB"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985259,"usec":128117},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723262,"noise_level":-24.363356,"freq_skew":2.687079,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AISP","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"LH0048","msg_num":"S67","msg_num_seq":"A","msg_text":"0EV202056V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":20,"sec":56}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985259,"usec":878559},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.215001,"noise_level":-26.863495,"freq_skew":5.119242,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985259,"usec":896038},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889860,"noise_level":-26.655437,"freq_skew":5.299142,"avlc":{"src":{"addr":"3C65C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":291,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12927,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[90,115,65,208]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985260,"usec":628101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.364761,"noise_level":-27.963713,"freq_skew":2.570385,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985262,"usec":903650},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449780,"noise_level":-27.105505,"freq_skew":1.462886,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":588,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33392,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[243,56,201,136]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985263,"usec":677549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766687,"noise_level":-27.052338,"freq_skew":5.262368,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985265,"usec":241385},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.865077,"noise_level":-26.598553,"freq_skew":4.675386,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1402,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33373,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[144,180]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985266,"usec":22495},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252368,"noise_level":-25.954601,"freq_skew":5.320282,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5234,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8176,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[45,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985266,"usec":775681},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973872,"noise_level":-26.231369,"freq_skew":5.300383,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985267,"usec":538829},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705179,"noise_level":-26.954882,"freq_skew":4.404777,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985269,"usec":30588},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.790733,"noise_level":-26.320869,"freq_skew":2.268703,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985269,"usec":42503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109069,"noise_level":-26.125275,"freq_skew":1.749077,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985269,"usec":47208},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.503966,"noise_level":-26.072685,"freq_skew":2.536790,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985269,"usec":795758},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.639550,"noise_level":-26.084209,"freq_skew":4.565104,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,49,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985270,"usec":555296},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900443,"noise_level":-25.624119,"freq_skew":1.811107,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":242,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":57,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985272,"usec":876624},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.464587,"noise_level":-25.403973,"freq_skew":0.693675,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985276,"usec":659532},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746166,"noise_level":-25.235382,"freq_skew":5.812912,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985282,"usec":787994},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259409,"noise_level":-24.209534,"freq_skew":5.166391,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985285,"usec":126036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.879604,"noise_level":-23.789968,"freq_skew":2.391387,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985285,"usec":869964},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632193,"noise_level":-23.656620,"freq_skew":4.598006,"avlc":{"src":{"addr":"4CAC7F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1403,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33373,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[213,24]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985287,"usec":415347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.565989,"noise_level":-23.733833,"freq_skew":4.359495,"avlc":{"src":{"addr":"471D71","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985288,"usec":163524},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955393,"noise_level":-23.667334,"freq_skew":3.280002,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985289,"usec":673085},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.053425,"noise_level":-24.671238,"freq_skew":5.215292,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985289,"usec":682320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.884085,"noise_level":-24.538404,"freq_skew":6.502315,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985289,"usec":692298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.491015,"noise_level":-25.336449,"freq_skew":5.175132,"avlc":{"src":{"addr":"4CACE0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985289,"usec":698385},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.175144,"noise_level":-25.272463,"freq_skew":6.111519,"avlc":{"src":{"addr":"4B15EF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985291,"usec":228916},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.240229,"noise_level":-26.095253,"freq_skew":4.737041,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LQT","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"EC87PG","msg_num":"S88","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985291,"usec":987416},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.608733,"noise_level":-26.141062,"freq_skew":2.479825,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985292,"usec":745105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649327,"noise_level":-27.053797,"freq_skew":1.440497,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985294,"usec":263282},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587214,"noise_level":-26.581419,"freq_skew":4.899808,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985295,"usec":38069},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.293056,"noise_level":-26.183022,"freq_skew":5.187104,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJI","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR306H","msg_num":"S43","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985295,"usec":807868},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.488391,"noise_level":-26.415901,"freq_skew":1.777152,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33324,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[105,170,250,219]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985297,"usec":330213},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.568223,"noise_level":-26.651249,"freq_skew":4.821142,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985299,"usec":633967},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.994475,"noise_level":-26.673061,"freq_skew":2.609926,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985300,"usec":415969},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.727822,"noise_level":-26.552351,"freq_skew":5.248627,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8176,"sseq":8,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[202,58]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":8,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":21,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985301,"usec":183705},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.860728,"noise_level":-26.084965,"freq_skew":3.279187,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985301,"usec":941170},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.439402,"noise_level":-26.899830,"freq_skew":5.035611,"avlc":{"src":{"addr":"4405EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,74,85,0,68,5,234,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985304,"usec":191504},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.518229,"noise_level":-28.229694,"freq_skew":5.182127,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985304,"usec":203150},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.466302,"noise_level":-28.645615,"freq_skew":5.103626,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[149,58]},{"name":"flow_control","value":{"acked_tpdu_nr":10,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985304,"usec":952043},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.070102,"noise_level":-28.980434,"freq_skew":2.478556,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985304,"usec":961311},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.129337,"noise_level":-29.818125,"freq_skew":2.252435,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985305,"usec":749095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.383950,"noise_level":-29.916208,"freq_skew":2.394271,"avlc":{"src":{"addr":"3C66EB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985305,"usec":749669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505661,"noise_level":-29.889046,"freq_skew":2.404341,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985306,"usec":513218},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427174,"noise_level":-28.770985,"freq_skew":5.503207,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985308,"usec":52872},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.620327,"noise_level":-29.249659,"freq_skew":7.838775,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985308,"usec":807719},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.275301,"noise_level":-28.831589,"freq_skew":2.290162,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":165,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985309,"usec":571739},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.206117,"noise_level":-28.095364,"freq_skew":1.827104,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWV","mode":"2","label":"_d","blk_id":"2","ack":"U","flight":"LH03JM","msg_num":"S86","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985311,"usec":835136},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.659715,"noise_level":-27.201466,"freq_skew":5.380174,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5240,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[129,194]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985311,"usec":840033},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.151616,"noise_level":-27.102524,"freq_skew":1.508820,"avlc":{"src":{"addr":"3C5EF6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985314,"usec":939878},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.893034,"noise_level":-25.579765,"freq_skew":2.223054,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":52.000000,"lon":7.500000},"alt":33000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985316,"usec":433224},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.286674,"noise_level":-24.943178,"freq_skew":2.576604,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":164,"calling_addr":"24037104","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,72,83,84,0,80,62,68,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985318,"usec":765352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.375796,"noise_level":-23.821831,"freq_skew":3.065776,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985323,"usec":305644},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827528,"noise_level":-23.500540,"freq_skew":4.266915,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985324,"usec":823924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759553,"noise_level":-23.708817,"freq_skew":1.192711,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985324,"usec":827353},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.601768,"noise_level":-24.690666,"freq_skew":0.642960,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985325,"usec":631368},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.630622,"noise_level":-24.528233,"freq_skew":4.937796,"avlc":{"src":{"addr":"4D226F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBG","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FRRYR8","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985327,"usec":927454},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.528507,"noise_level":-23.779848,"freq_skew":5.886265,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":48,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12868,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[196,224,87,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985328,"usec":704916},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.449141,"noise_level":-24.851673,"freq_skew":4.500127,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AJHW","mode":"2","label":"_d","blk_id":"6","ack":"C","flight":"ZQ03NA","msg_num":"M54","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985330,"usec":953027},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.732666,"noise_level":-25.104088,"freq_skew":1.290234,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINE","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"LH05EL","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985331,"usec":715485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680347,"noise_level":-24.647339,"freq_skew":4.096157,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985334,"usec":809051},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.670164,"noise_level":-23.562279,"freq_skew":2.191553,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985337,"usec":830939},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.008038,"noise_level":-22.950405,"freq_skew":4.121355,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985338,"usec":633881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691034,"noise_level":-22.853355,"freq_skew":3.560566,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985339,"usec":399374},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812737,"noise_level":-22.292770,"freq_skew":3.370689,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985340,"usec":164566},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.899630,"noise_level":-22.733753,"freq_skew":4.354178,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TVW","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"QS08JA","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985347,"usec":810339},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.963647,"noise_level":-22.961418,"freq_skew":2.313529,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985350,"usec":98942},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.390589,"noise_level":-22.918999,"freq_skew":3.190655,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABKE","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"ZQ07KD","msg_num":"C16","msg_num_seq":"A","sublabel":"CF","msg_text":"MM2022150909ABO\n20214115 340 219\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985350,"usec":105797},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813045,"noise_level":-22.846371,"freq_skew":4.739583,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985353,"usec":154475},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726968,"noise_level":-22.870224,"freq_skew":5.022120,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985354,"usec":690398},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692050,"noise_level":-22.654163,"freq_skew":3.156885,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINB","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"LH037F","msg_num":"D91","msg_num_seq":"D","sublabel":"DF","msg_text":"29,006,000,027,0/N30329,0704,56,122,006,000,034,0/S30755,2698,014,009,157,43,07974,2/T30761,2735,012,005,143,44,07985,2/X33481,N0100,037,020,040,030,009,2/E40311,0685,56,128,006,000,027,0/N40312,0686,56,122"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985355,"usec":451691},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033056,"noise_level":-24.315298,"freq_skew":4.636375,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985356,"usec":956017},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841106,"noise_level":-23.762268,"freq_skew":1.419862,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":213,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985356,"usec":980075},"freq":136975000,"burst_len_octets":67,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812488,"noise_level":-24.344690,"freq_skew":4.201450,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":174,"cotp":{"pdu_list":[{"err":false,"tpdu_code":224,"tpdu_code_descr":"Connect Request","extended":false,"src_ref":62,"dst_ref":0,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[99,109]},{"name":"calling_transport_selector","value":[1]},{"name":"priority","value":6},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"checksum","value":[86,55]},{"name":"atn_checksum","value":[4,227,115,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985357,"usec":706778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.928448,"noise_level":-24.820660,"freq_skew":5.180699,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985360,"usec":39061},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.260572,"noise_level":-25.100552,"freq_skew":4.131494,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985360,"usec":49109},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471507,"noise_level":-26.291729,"freq_skew":5.544667,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985361,"usec":568380},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598060,"noise_level":-25.764992,"freq_skew":3.320094,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985364,"usec":593512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.625926,"noise_level":-24.362814,"freq_skew":1.191444,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985364,"usec":602147},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657238,"noise_level":-24.248737,"freq_skew":4.684357,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33218,"sseq":14,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[153,58]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":14,"msg_ref":15,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":22,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985364,"usec":605082},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.310987,"noise_level":-24.220451,"freq_skew":4.794721,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985367,"usec":668916},"freq":136975000,"burst_len_octets":151,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731767,"noise_level":-24.166199,"freq_skew":3.096679,"avlc":{"src":{"addr":"3C65C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINB","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"LH037F","msg_num":"252","msg_num_seq":"A","sublabel":"T2","msg_text":"TBB0G001X7EVD2UX87/0Z)9(4TB018*TH9GS0JY4RY74P51L85)E)ZY7SGASCT296S4I*(V(K04JYE21C95X+UF4J9ZD13A4PT9X06A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985367,"usec":674599},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.554562,"noise_level":-24.293491,"freq_skew":2.628437,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985368,"usec":428246},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695704,"noise_level":-24.236719,"freq_skew":4.929089,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":8851,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12942,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[197,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985369,"usec":190864},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.793733,"noise_level":-24.000195,"freq_skew":4.654267,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985370,"usec":736704},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672347,"noise_level":-23.612616,"freq_skew":2.780474,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":239,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33335,"credit":3,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[130,177,52,123]},{"name":"subseq_num","value":1}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985375,"usec":316694},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.963934,"noise_level":-22.189850,"freq_skew":5.164559,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5241,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8176,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[26,153]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985375,"usec":323754},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.320611,"noise_level":-22.134148,"freq_skew":4.717054,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985376,"usec":851837},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681537,"noise_level":-22.357925,"freq_skew":4.432549,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33218,"credit":5,"rseq":17,"variable_part_params":[{"name":"checksum","value":[143,231]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985376,"usec":861577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.645705,"noise_level":-22.267242,"freq_skew":4.658566,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985379,"usec":935339},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.119054,"noise_level":-23.704266,"freq_skew":3.495760,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5301,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[45,59]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985379,"usec":938409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465281,"noise_level":-24.142822,"freq_skew":4.756844,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985380,"usec":671499},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087318,"noise_level":-24.073128,"freq_skew":5.120173,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985381,"usec":436316},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.858289,"noise_level":-24.368557,"freq_skew":1.514727,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985382,"usec":189959},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.372861,"noise_level":-24.183815,"freq_skew":4.653221,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985382,"usec":947188},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.401283,"noise_level":-25.054590,"freq_skew":5.638012,"avlc":{"src":{"addr":"48C2B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2853,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33150,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[249,205]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":23,"sec":0}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985383,"usec":728759},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600576,"noise_level":-25.610249,"freq_skew":3.980372,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":182,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33412,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[117,86,74,185]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985383,"usec":728759},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.600576,"noise_level":-25.610249,"freq_skew":3.980372,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":3,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":183,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":63,"dst_ref":33412,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[33,179,240,42]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985384,"usec":496720},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804302,"noise_level":-25.189762,"freq_skew":3.496311,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985384,"usec":501914},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368816,"noise_level":-25.126841,"freq_skew":1.380001,"avlc":{"src":{"addr":"3C65C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33392,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[158,209,46,221]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985388,"usec":340968},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758434,"noise_level":-23.789112,"freq_skew":5.231266,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5244,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33377,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[116,74]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":23,"sec":3}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985389,"usec":82095},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.797404,"noise_level":-23.722191,"freq_skew":4.420527,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":33218,"variable_part_params":[{"name":"checksum","value":[18,15]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985389,"usec":91433},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.592271,"noise_level":-23.954605,"freq_skew":5.137269,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":5,"unknown_proto":{"data":[193,225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985389,"usec":848212},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.301202,"noise_level":-23.592506,"freq_skew":5.042941,"avlc":{"src":{"addr":"4D226F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985390,"usec":603137},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.499829,"noise_level":-24.550179,"freq_skew":5.441307,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5246,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[197,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985390,"usec":617083},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838981,"noise_level":-24.419172,"freq_skew":4.079548,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":185,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[151,136,74,100]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985392,"usec":131816},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.160917,"noise_level":-24.596653,"freq_skew":3.912841,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985392,"usec":937371},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.151880,"noise_level":-25.798986,"freq_skew":4.181486,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985393,"usec":702220},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552743,"noise_level":-26.396633,"freq_skew":4.137237,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985398,"usec":228685},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.869946,"noise_level":-25.776217,"freq_skew":5.642470,"avlc":{"src":{"addr":"48C2B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2855,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33150,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[12,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985399,"usec":34164},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697780,"noise_level":-25.820276,"freq_skew":3.532441,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5302,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[16,170]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985404,"usec":374615},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.782336,"noise_level":-23.783241,"freq_skew":4.888621,"avlc":{"src":{"addr":"4D226F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985405,"usec":147508},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.448153,"noise_level":-23.738688,"freq_skew":6.114182,"avlc":{"src":{"addr":"4D2247","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3036,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985406,"usec":683911},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.267261,"noise_level":-23.283291,"freq_skew":3.519008,"avlc":{"src":{"addr":"3C66B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985410,"usec":470064},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613441,"noise_level":-22.370718,"freq_skew":2.521521,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"ENGM"},{"name":"ac_location","value":{"loc":{"lat":50.500000,"lon":8.600000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985411,"usec":988998},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.760823,"noise_level":-23.080250,"freq_skew":2.892451,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985411,"usec":988998},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.760823,"noise_level":-23.080250,"freq_skew":2.892451,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINM","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH1330","msg_num":"S25","msg_num_seq":"A","msg_text":"0EV202329V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":23,"sec":29}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985412,"usec":748437},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086486,"noise_level":-23.598921,"freq_skew":4.141212,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985413,"usec":555306},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519505,"noise_level":-23.289032,"freq_skew":3.145375,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985420,"usec":445918},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541191,"noise_level":-22.933693,"freq_skew":2.652292,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINY","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH0866","msg_num":"S32","msg_num_seq":"A","msg_text":"0EV202338V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":23,"sec":38}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985421,"usec":205684},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.091557,"noise_level":-22.819801,"freq_skew":3.103166,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985427,"usec":314258},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.468070,"noise_level":-26.309423,"freq_skew":4.581812,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985427,"usec":318810},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.745244,"noise_level":-27.377359,"freq_skew":4.097087,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":189,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":65,"dst_ref":33416,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[101,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[174,165,245,216]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,2],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985428,"usec":73782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.508726,"noise_level":-28.044495,"freq_skew":4.713551,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DWO","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"FR56PQ","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985428,"usec":844833},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.210190,"noise_level":-28.802723,"freq_skew":4.993644,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3647,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":32,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[37,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985429,"usec":608764},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204461,"noise_level":-28.514496,"freq_skew":4.232221,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985429,"usec":617976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977097,"noise_level":-28.399509,"freq_skew":4.564590,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985432,"usec":628474},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799053,"noise_level":-28.403551,"freq_skew":4.897783,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985432,"usec":632301},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.729230,"noise_level":-28.111393,"freq_skew":5.078936,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985433,"usec":468265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907414,"noise_level":-28.212322,"freq_skew":4.048913,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985434,"usec":220645},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.995478,"noise_level":-28.903156,"freq_skew":5.176116,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985435,"usec":730338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982984,"noise_level":-27.855362,"freq_skew":4.528965,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985436,"usec":497981},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649168,"noise_level":-27.274408,"freq_skew":4.819790,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985440,"usec":320990},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427809,"noise_level":-26.128616,"freq_skew":4.575442,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2373,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12810,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[80,189]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":23,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985441,"usec":82615},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502172,"noise_level":-26.672096,"freq_skew":4.739426,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985443,"usec":356661},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.521884,"noise_level":-25.946932,"freq_skew":2.978208,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985446,"usec":401002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513371,"noise_level":-24.593859,"freq_skew":3.952134,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985447,"usec":168000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691810,"noise_level":-24.355366,"freq_skew":3.653829,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985447,"usec":967644},"freq":136975000,"burst_len_octets":102,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.694400,"noise_level":-23.976532,"freq_skew":5.872895,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUL","mode":"2","label":"1L","blk_id":"9","ack":"!","flight":"LH03LR","msg_num":"M17","msg_num_seq":"A","msg_text":"00013209299V-YG0YJTT9J-JTVXVOEE*SMPH+,766OQ(DAH0:+01M327MV"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985447,"usec":978027},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.291768,"noise_level":-24.043037,"freq_skew":4.556726,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":198,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985447,"usec":981800},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.258004,"noise_level":-24.001633,"freq_skew":4.554663,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2374,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12810,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[251,78]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":24,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985447,"usec":982921},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.833783,"noise_level":-24.895298,"freq_skew":4.520878,"avlc":{"src":{"addr":"4BCDE5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985450,"usec":246623},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.136878,"noise_level":-24.344063,"freq_skew":4.659173,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985450,"usec":251837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.021951,"noise_level":-25.225677,"freq_skew":5.739116,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985451,"usec":15218},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992028,"noise_level":-24.807865,"freq_skew":4.909149,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5248,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985454,"usec":84446},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265236,"noise_level":-23.505501,"freq_skew":4.892169,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985454,"usec":95665},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.231836,"noise_level":-23.363617,"freq_skew":5.751825,"avlc":{"src":{"addr":"48C2B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985454,"usec":862531},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.736597,"noise_level":-23.024948,"freq_skew":5.238026,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55634,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[68,114,50,210]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985455,"usec":597579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.589567,"noise_level":-22.794250,"freq_skew":6.735043,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985455,"usec":598541},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.734210,"noise_level":-23.371155,"freq_skew":5.604972,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985457,"usec":881959},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.854201,"noise_level":-25.518066,"freq_skew":2.444906,"avlc":{"src":{"addr":"3C65D9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AINY","mode":"2","label":"_d","blk_id":"2","ack":"C","flight":"LH0866","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985458,"usec":654082},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.255369,"noise_level":-25.958088,"freq_skew":4.784651,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985460,"usec":184556},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.913053,"noise_level":-26.407568,"freq_skew":2.395996,"avlc":{"src":{"addr":"4D2411","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985461,"usec":719949},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902596,"noise_level":-25.982231,"freq_skew":2.981380,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILD","mode":"2","label":"1L","blk_id":"5","ack":"!","flight":"LH09WA","msg_num":"M65","msg_num_seq":"A","msg_text":"00395226714WO4JM4LM::-TVX97"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985461,"usec":744655},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575374,"noise_level":-25.712444,"freq_skew":5.885343,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HA-LTE","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"W66108","msg_num":"S34","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985461,"usec":745664},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488169,"noise_level":-26.307625,"freq_skew":4.559504,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985463,"usec":245889},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.508733,"noise_level":-26.552458,"freq_skew":3.140915,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985467,"usec":82396},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.561101,"noise_level":-27.714050,"freq_skew":4.685500,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4188,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[88,108]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985467,"usec":856295},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607841,"noise_level":-26.946718,"freq_skew":4.886589,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1674,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[230,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985470,"usec":873874},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.619805,"noise_level":-27.034405,"freq_skew":1.155002,"avlc":{"src":{"addr":"4D2278","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985472,"usec":390876},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.801399,"noise_level":-26.811558,"freq_skew":4.871044,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1674,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[230,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985472,"usec":391253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.961802,"noise_level":-27.656322,"freq_skew":2.170662,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985477,"usec":779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.751520,"noise_level":-25.898548,"freq_skew":2.889610,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985477,"usec":757984},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773501,"noise_level":-26.109259,"freq_skew":2.951688,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985481,"usec":604497},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623753,"noise_level":-25.792831,"freq_skew":5.994604,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985482,"usec":377246},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.562160,"noise_level":-26.274145,"freq_skew":4.439390,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985484,"usec":643960},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.213861,"noise_level":-25.999853,"freq_skew":4.825297,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1675,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":14,"variable_part_params":[{"name":"checksum","value":[226,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985486,"usec":155459},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538946,"noise_level":-26.657675,"freq_skew":4.784843,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985487,"usec":722702},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.283794,"noise_level":-26.810141,"freq_skew":4.037676,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985488,"usec":478683},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617603,"noise_level":-26.529350,"freq_skew":4.606194,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3649,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":32,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[37,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985493,"usec":31392},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.547114,"noise_level":-26.944372,"freq_skew":4.727687,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985493,"usec":32845},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-17.024790,"noise_level":-26.848297,"freq_skew":5.225499,"avlc":{"src":{"addr":"4CAE9F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985493,"usec":33096},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536738,"noise_level":-26.829208,"freq_skew":3.977862,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":194,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[181,140,106,117]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985493,"usec":35686},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705952,"noise_level":-26.821220,"freq_skew":4.768828,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1678,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12821,"credit":4,"rseq":15,"variable_part_params":[{"name":"checksum","value":[222,152]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985496,"usec":894271},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763681,"noise_level":-26.588131,"freq_skew":5.104427,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985497,"usec":650688},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672770,"noise_level":-26.475735,"freq_skew":7.637294,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985499,"usec":917223},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.853207,"noise_level":-25.916454,"freq_skew":7.805514,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985499,"usec":919051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.256004,"noise_level":-25.865114,"freq_skew":4.765073,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985499,"usec":926549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.275735,"noise_level":-26.108753,"freq_skew":4.714468,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985501,"usec":485365},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.941541,"noise_level":-26.953251,"freq_skew":4.195472,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TVW","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"QS08JA","msg_num":"L02","msg_num_seq":"A","msg_text":"/EDDK.TI2/024EDDKA661A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985505,"usec":290882},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.235255,"noise_level":-25.050270,"freq_skew":7.626159,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55642,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[220,189]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985506,"usec":45054},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696594,"noise_level":-25.521160,"freq_skew":5.760410,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985506,"usec":807428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.404956,"noise_level":-25.058086,"freq_skew":4.286015,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985507,"usec":573735},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.536746,"noise_level":-24.559526,"freq_skew":5.061913,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8872,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8240,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[23,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":25,"sec":6}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985508,"usec":368056},"freq":136975000,"burst_len_octets":39,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.833081,"noise_level":-24.284946,"freq_skew":4.888301,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8873,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33420,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[11,213]}]}],"x227_apdu":{"acse_apdu":{"choice":"abrt","data":{"abort":{"abort_source":{"value":0,"value_descr":"user"},"abort_diagnostics":"no-reason-given"}}},"cpdlc":{"protected_aircraft_pdus":{"choice":"abortUser","data":{"cpdlc_user_abort_reason":"no-longer-next-data-authority"}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985508,"usec":371516},"freq":136975000,"burst_len_octets":108,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814346,"noise_level":-24.242374,"freq_skew":-2.116424,"avlc":{"src":{"addr":"3C6648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10911A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRH","mode":"2","label":"1L","blk_id":"7","ack":"!","flight":"LH08FT","msg_num":"M19","msg_num_seq":"A","msg_text":"00016209276J9XBI9YV8O,0Q)RTE1+O02501J(UBESXS660PPM*53E6B22(W+Y+G"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985509,"usec":143778},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957724,"noise_level":-23.800800,"freq_skew":4.877325,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985509,"usec":152827},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.975235,"noise_level":-23.680550,"freq_skew":5.620400,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985509,"usec":888740},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.351955,"noise_level":-23.588154,"freq_skew":4.145880,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OK-TVW","mode":"2","label":"_d","blk_id":"7","ack":"C","flight":"QS08JA","msg_num":"S33","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985509,"usec":889922},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.682409,"noise_level":-23.588154,"freq_skew":2.223759,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":161,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985509,"usec":916373},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964781,"noise_level":-23.329468,"freq_skew":7.567425,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55642,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[216,192]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985510,"usec":648489},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.550221,"noise_level":-23.304016,"freq_skew":0.905197,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLQ","mode":"2","label":"_d","blk_id":"0","ack":"J","flight":"WK0187","msg_num":"S06","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985510,"usec":664196},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747549,"noise_level":-23.127922,"freq_skew":5.886293,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","sndcf_error_report":{"err":false,"cause_code":0,"cause_descr":"Compressed NPDU with unrecognized Local Reference","local_ref":64,"erroneous_pdu_present":true,"clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":49420,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":11,"ack":3,"credit_offered":4,"credit_avail":0,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,1,83,73,84,0,89,85,76],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985515,"usec":247590},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.073512,"noise_level":-24.633949,"freq_skew":4.813741,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3650,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[192,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985516,"usec":3893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844730,"noise_level":-25.300493,"freq_skew":4.788052,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985519,"usec":42552},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800919,"noise_level":-25.594482,"freq_skew":5.079767,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985522,"usec":139168},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.529372,"noise_level":-25.992683,"freq_skew":2.835817,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985524,"usec":424769},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998117,"noise_level":-26.333839,"freq_skew":1.892563,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985525,"usec":185697},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717305,"noise_level":-26.432268,"freq_skew":2.666396,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985526,"usec":689221},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.497192,"noise_level":-25.903845,"freq_skew":0.601228,"avlc":{"src":{"addr":"4B18F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985526,"usec":692511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040150,"noise_level":-25.869633,"freq_skew":4.881657,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985526,"usec":713428},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807944,"noise_level":-25.567635,"freq_skew":3.619127,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985527,"usec":501756},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.672985,"noise_level":-25.307732,"freq_skew":2.302593,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":161,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985528,"usec":245120},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915401,"noise_level":-25.117783,"freq_skew":5.634332,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUL","mode":"2","label":"B9","blk_id":"8","ack":"!","flight":"LH03LR","msg_num":"M18","msg_num_seq":"A","msg_text":"/EDDL.TI2/040EDDLA5809"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985529,"usec":29384},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-7.509822,"noise_level":-25.040749,"freq_skew":2.421492,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985529,"usec":798762},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.451725,"noise_level":-25.690208,"freq_skew":3.832961,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LIRF"},{"name":"ac_location","value":{"loc":{"lat":49.299999,"lon":9.600000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985531,"usec":285587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.608938,"noise_level":-27.009083,"freq_skew":4.017396,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985532,"usec":801818},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516103,"noise_level":-26.817293,"freq_skew":4.220661,"avlc":{"src":{"addr":"3C6744","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":37,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12929,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[210,12,50,173]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985535,"usec":903608},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919047,"noise_level":-25.967373,"freq_skew":3.884486,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985535,"usec":905434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.451754,"noise_level":-26.601343,"freq_skew":2.753058,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985536,"usec":665916},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777033,"noise_level":-26.782902,"freq_skew":5.322050,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":539,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33368,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[211,118,181,35]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985536,"usec":665916},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.777033,"noise_level":-26.782902,"freq_skew":5.322050,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":540,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33368,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[57,220,49,115]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":25,"sec":35}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985537,"usec":420875},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.257418,"noise_level":-26.502975,"freq_skew":2.170577,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985538,"usec":180574},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.474106,"noise_level":-26.404503,"freq_skew":5.365434,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985538,"usec":954319},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713679,"noise_level":-25.677822,"freq_skew":5.352223,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985539,"usec":701248},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204983,"noise_level":-25.900108,"freq_skew":4.928049,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985539,"usec":710949},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855985,"noise_level":-25.747265,"freq_skew":4.840846,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985540,"usec":469598},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.863954,"noise_level":-25.900021,"freq_skew":5.756180,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985541,"usec":230700},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.344740,"noise_level":-26.520098,"freq_skew":4.678134,"avlc":{"src":{"addr":"485778","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985542,"usec":18766},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749946,"noise_level":-26.212791,"freq_skew":5.757288,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985543,"usec":549548},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.594138,"noise_level":-25.964451,"freq_skew":2.350506,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985543,"usec":553552},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731144,"noise_level":-25.895683,"freq_skew":4.513443,"avlc":{"src":{"addr":"4CAE4C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2527,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985545,"usec":798860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.733675,"noise_level":-28.164623,"freq_skew":4.747166,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985547,"usec":319402},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.906344,"noise_level":-26.981541,"freq_skew":4.809311,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"FRMR","pf":true,"unknown_proto":{"data":[194,0,8]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985549,"usec":646362},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.454161,"noise_level":-26.022779,"freq_skew":4.482671,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABPG","mode":"2","label":"_d","blk_id":"2","ack":"J","flight":"LH0796","msg_num":"S35","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985550,"usec":406823},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650277,"noise_level":-26.360634,"freq_skew":3.543642,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985550,"usec":417968},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925314,"noise_level":-26.509123,"freq_skew":5.394248,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8879,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":8240,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[112,3]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":25,"sec":49}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985551,"usec":950843},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027905,"noise_level":-27.292910,"freq_skew":2.953692,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985554,"usec":218124},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.542437,"noise_level":-26.500427,"freq_skew":5.081998,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":542,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33368,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[71,22,176,19]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985555,"usec":783219},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535289,"noise_level":-25.611238,"freq_skew":4.433288,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABPG","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"LH0796","msg_num":"S37","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985556,"usec":535473},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.650378,"noise_level":-25.301937,"freq_skew":1.850155,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":241,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":58,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985558,"usec":58092},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999875,"noise_level":-24.464088,"freq_skew":5.189589,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":4,"unknown_proto":{"data":[161,193,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985558,"usec":833547},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.630309,"noise_level":-25.342674,"freq_skew":5.300333,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":254,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985559,"usec":572606},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.060925,"noise_level":-25.167704,"freq_skew":2.196426,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985559,"usec":578779},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747134,"noise_level":-25.104942,"freq_skew":5.428051,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8883,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":18,"dst_ref":8240,"variable_part_params":[{"name":"checksum","value":[15,254]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985559,"usec":582865},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866824,"noise_level":-25.073730,"freq_skew":4.537370,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABPG","mode":"2","label":"_d","blk_id":"6","ack":"N","flight":"LH0796","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985563,"usec":399156},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.986129,"noise_level":-23.740990,"freq_skew":5.863364,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985564,"usec":161436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.022408,"noise_level":-23.998774,"freq_skew":5.350203,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985565,"usec":675556},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990448,"noise_level":-23.413317,"freq_skew":5.710182,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUL","mode":"2","label":"_d","blk_id":"3","ack":"I","flight":"LH03LR","msg_num":"S38","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985570,"usec":305325},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866296,"noise_level":-21.982922,"freq_skew":3.846212,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-FNB","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"N0074F","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985570,"usec":308966},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568091,"noise_level":-21.950245,"freq_skew":2.543478,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985570,"usec":315624},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738595,"noise_level":-22.310440,"freq_skew":5.423094,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33423,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[218,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985571,"usec":823188},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503963,"noise_level":-22.897842,"freq_skew":2.209121,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":160,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985572,"usec":573346},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.329809,"noise_level":-22.705963,"freq_skew":3.788366,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":336,"idrp":{"err":false,"pdu_type":3,"pdu_type_name":"Error","seq":3,"ack":3,"credit_offered":4,"credit_avail":4,"err_code":4,"err_descr":"FSM error","err_fsm_bispdu_type":1,"err_fsm_state":5,"err_fsm_bispdu_name":"Open","err_fsm_state_descr":"ESTABLISHED"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985573,"usec":345101},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.078516,"noise_level":-22.244030,"freq_skew":3.902627,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985575,"usec":641091},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607324,"noise_level":-23.041105,"freq_skew":2.306860,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":160,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985576,"usec":401922},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038087,"noise_level":-23.601885,"freq_skew":5.683989,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985576,"usec":403349},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.596669,"noise_level":-23.536385,"freq_skew":2.860693,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985579,"usec":438420},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669538,"noise_level":-24.356592,"freq_skew":3.953321,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985579,"usec":439020},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.412393,"noise_level":-25.491486,"freq_skew":4.691221,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3662,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33427,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[198,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985580,"usec":199800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503800,"noise_level":-25.217964,"freq_skew":2.482303,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985580,"usec":205296},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.968080,"noise_level":-25.061005,"freq_skew":5.908220,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8885,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33423,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[218,224]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985582,"usec":567160},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657857,"noise_level":-23.816795,"freq_skew":3.588078,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5306,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[16,170]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985584,"usec":830075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.548185,"noise_level":-23.378689,"freq_skew":4.967126,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985586,"usec":334297},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641566,"noise_level":-23.178818,"freq_skew":4.800704,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[120,199]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985588,"usec":649615},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487487,"noise_level":-22.253038,"freq_skew":2.407032,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":160,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985590,"usec":169072},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689541,"noise_level":-21.602520,"freq_skew":3.625752,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985590,"usec":169229},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.932305,"noise_level":-21.602520,"freq_skew":2.331066,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985590,"usec":925555},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.375210,"noise_level":-21.335085,"freq_skew":4.452926,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1679,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985590,"usec":928078},"freq":136975000,"burst_len_octets":142,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.404106,"noise_level":-22.083069,"freq_skew":4.407084,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":232,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12958,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[197,99,27,166]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985592,"usec":440079},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.790742,"noise_level":-21.736778,"freq_skew":4.538332,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985592,"usec":442484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.224529,"noise_level":-21.631336,"freq_skew":7.736152,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985593,"usec":965969},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885628,"noise_level":-21.221912,"freq_skew":3.968915,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"VIDP"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":4.400000},"alt":32000}},{"name":"alternate_ground_stations","value":["262259"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985593,"usec":965969},"freq":136975000,"burst_len_octets":88,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.885628,"noise_level":-21.221912,"freq_skew":3.968915,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"262258","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985594,"usec":737314},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916135,"noise_level":-20.830921,"freq_skew":3.712334,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"21730734","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,83,73,84,0,0,1]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,78,66,84,0,71,177,220,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985595,"usec":538427},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.719392,"noise_level":-20.623150,"freq_skew":3.898818,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985596,"usec":311625},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788101,"noise_level":-23.130331,"freq_skew":4.499870,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985597,"usec":815592},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880927,"noise_level":-23.571053,"freq_skew":2.276707,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"EDDH"},{"name":"ac_location","value":{"loc":{"lat":52.400002,"lon":8.100000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985598,"usec":576886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.919374,"noise_level":-23.312864,"freq_skew":2.716653,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985598,"usec":589687},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.631089,"noise_level":-23.376989,"freq_skew":4.407599,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985599,"usec":332814},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915117,"noise_level":-23.224571,"freq_skew":3.763994,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":338,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":2,"ack":10,"credit_offered":4,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985600,"usec":89235},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.062252,"noise_level":-23.227892,"freq_skew":2.441427,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985600,"usec":863761},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020039,"noise_level":-23.652418,"freq_skew":6.159425,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"22140465","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,3,0,163]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,53,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985602,"usec":422627},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.246398,"noise_level":-24.624947,"freq_skew":7.084445,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985603,"usec":931496},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787984,"noise_level":-24.038656,"freq_skew":3.795748,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33416,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[91,64,51,169]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":26,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985603,"usec":950826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.723944,"noise_level":-24.576300,"freq_skew":5.391407,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985604,"usec":707408},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.343715,"noise_level":-24.301197,"freq_skew":3.741463,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985606,"usec":965171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927536,"noise_level":-23.450003,"freq_skew":5.452523,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985608,"usec":478961},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984740,"noise_level":-23.480120,"freq_skew":5.498028,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2148,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985610,"usec":63938},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718750,"noise_level":-23.891325,"freq_skew":5.242677,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17152450","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,193,68,69,85,0,60,213,40,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985611,"usec":593244},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.849698,"noise_level":-24.866354,"freq_skew":5.442240,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985612,"usec":358659},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534815,"noise_level":-24.421627,"freq_skew":3.016434,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17044545","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,82,0,60,73,101,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985612,"usec":366662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.766793,"noise_level":-24.713915,"freq_skew":5.151718,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985614,"usec":629432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.044944,"noise_level":-24.832563,"freq_skew":3.110332,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985616,"usec":944194},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622768,"noise_level":-23.818399,"freq_skew":4.515407,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3665,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33427,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[222,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":26,"sec":55}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985616,"usec":956309},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.028929,"noise_level":-23.658108,"freq_skew":5.688411,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985618,"usec":469120},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575761,"noise_level":-23.119860,"freq_skew":4.624726,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985619,"usec":214410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812623,"noise_level":-22.898779,"freq_skew":2.802949,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985622,"usec":294310},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156947,"noise_level":-22.300461,"freq_skew":5.461585,"avlc":{"src":{"addr":"471EFE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985626,"usec":121549},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979693,"noise_level":-23.789663,"freq_skew":2.033830,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985628,"usec":376487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660464,"noise_level":-23.995249,"freq_skew":5.787769,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985631,"usec":477024},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706874,"noise_level":-22.998920,"freq_skew":5.079218,"avlc":{"src":{"addr":"4CA73D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985634,"usec":520378},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552863,"noise_level":-23.123924,"freq_skew":4.776862,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3669,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33427,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[204,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":27,"sec":12}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985635,"usec":295857},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816556,"noise_level":-22.951410,"freq_skew":3.185948,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":20,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985635,"usec":297747},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873548,"noise_level":-22.890617,"freq_skew":4.512180,"avlc":{"src":{"addr":"4CA9D2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3670,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":1,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[192,109]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985636,"usec":50731},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.488739,"noise_level":-22.770298,"freq_skew":2.237996,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985636,"usec":59270},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872444,"noise_level":-22.538912,"freq_skew":5.778781,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR90QD","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985638,"usec":337973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.977473,"noise_level":-21.792385,"freq_skew":3.423131,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985638,"usec":341386},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.872513,"noise_level":-21.739166,"freq_skew":5.788659,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EGSS"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985639,"usec":111383},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020494,"noise_level":-22.256046,"freq_skew":5.795968,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985639,"usec":869600},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550719,"noise_level":-21.946295,"freq_skew":6.045510,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"23124016","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,168,14,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985639,"usec":882227},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.040402,"noise_level":-21.816849,"freq_skew":3.025825,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985640,"usec":635061},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.196049,"noise_level":-22.405855,"freq_skew":4.877581,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985645,"usec":230745},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663629,"noise_level":-21.587858,"freq_skew":5.774999,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985646,"usec":1576},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.516604,"noise_level":-21.346107,"freq_skew":5.847457,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"8A","blk_id":"3","ack":"!","flight":"FR4922","msg_num":"M12","msg_num_seq":"A","msg_text":"194443,O,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985652,"usec":93154},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.624233,"noise_level":-23.030920,"freq_skew":4.786790,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTSB","mode":"2","label":"B9","blk_id":"6","ack":"!","flight":"BA910N","msg_num":"M46","msg_num_seq":"A","msg_text":"/EDDF.TI2/040EDDFAB7C2"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985652,"usec":850605},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613013,"noise_level":-23.605244,"freq_skew":5.954797,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"QR","blk_id":"7","ack":"!","flight":"FR4922","msg_num":"M08","msg_num_seq":"A","msg_text":"LEIBEDFH1936"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985652,"usec":855585},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.704285,"noise_level":-23.645954,"freq_skew":4.310918,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985653,"usec":618366},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691497,"noise_level":-23.580120,"freq_skew":4.954982,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985655,"usec":149407},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512592,"noise_level":-23.183010,"freq_skew":4.293331,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985655,"usec":158874},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.659053,"noise_level":-23.120583,"freq_skew":8.038054,"avlc":{"src":{"addr":"3006B5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985656,"usec":719733},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563037,"noise_level":-23.833633,"freq_skew":3.795788,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":202,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33413,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[251,59,139,92]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985661,"usec":263262},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767945,"noise_level":-25.476435,"freq_skew":5.737780,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985661,"usec":277489},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633554,"noise_level":-25.282803,"freq_skew":4.275849,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985661,"usec":277489},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.633554,"noise_level":-25.282803,"freq_skew":4.275849,"avlc":{"src":{"addr":"471DAD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":4,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":238,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":69,"dst_ref":0,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[108,124]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985662,"usec":13981},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477770,"noise_level":-25.203381,"freq_skew":5.142859,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985662,"usec":17448},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.574254,"noise_level":-25.395309,"freq_skew":2.283473,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985662,"usec":813624},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697155,"noise_level":-25.109100,"freq_skew":5.718624,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"QP","blk_id":"9","ack":"!","flight":"FR90QD","msg_num":"M16","msg_num_seq":"A","msg_text":"EDFHEGSS2016 130 "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985662,"usec":814616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672531,"noise_level":-25.642895,"freq_skew":4.876393,"avlc":{"src":{"addr":"4BCE03","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985664,"usec":336327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.859061,"noise_level":-24.986399,"freq_skew":1.046484,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985665,"usec":849482},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514589,"noise_level":-24.832926,"freq_skew":5.392529,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985666,"usec":607557},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604475,"noise_level":-25.400829,"freq_skew":4.466852,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985670,"usec":468607},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.467826,"noise_level":-25.027864,"freq_skew":2.367831,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985671,"usec":226790},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.456297,"noise_level":-25.089293,"freq_skew":4.593661,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985672,"usec":1089},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.606779,"noise_level":-24.838001,"freq_skew":0.311344,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZH","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH01RH","msg_num":"S29","msg_num_seq":"A","msg_text":"0EV202750V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":27,"sec":50}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985673,"usec":494185},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.691134,"noise_level":-24.763945,"freq_skew":3.711247,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"5U","blk_id":"1","ack":"!","flight":"XQ057V","msg_num":"M24","msg_num_seq":"A","msg_text":"LOWL LOWW LHBP LYBE-SA"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985673,"usec":515478},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.352906,"noise_level":-24.556005,"freq_skew":0.239267,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985674,"usec":280832},"freq":136975000,"burst_len_octets":60,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.231654,"noise_level":-24.070812,"freq_skew":5.916518,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"QQ","blk_id":"0","ack":"!","flight":"FR90QD","msg_num":"M17","msg_num_seq":"A","msg_text":"EDFHEGSS20262016"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985675,"usec":14811},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994201,"noise_level":-23.987934,"freq_skew":3.561283,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"_d","blk_id":"2","ack":"C","flight":"XQ057V","msg_num":"S91","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985678,"usec":123753},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.226603,"noise_level":-22.612705,"freq_skew":4.639303,"avlc":{"src":{"addr":"4081A1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":258,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985678,"usec":851642},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.415153,"noise_level":-22.530954,"freq_skew":5.703199,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EKN","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"FR90QD","msg_num":"S09","msg_num_seq":"A","msg_text":"0E22027202/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":27,"sec":20}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985679,"usec":644012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.647091,"noise_level":-22.055958,"freq_skew":4.560884,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985680,"usec":377511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.971909,"noise_level":-22.733330,"freq_skew":3.909399,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985681,"usec":124012},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810288,"noise_level":-22.568331,"freq_skew":5.944848,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985684,"usec":216222},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019995,"noise_level":-21.219406,"freq_skew":4.682497,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985685,"usec":737233},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.418157,"noise_level":-20.724047,"freq_skew":4.864820,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[120,199]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985687,"usec":249934},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686900,"noise_level":-21.094662,"freq_skew":3.599805,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5309,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25587,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[144,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985688,"usec":777126},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.830570,"noise_level":-20.578274,"freq_skew":3.806325,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985689,"usec":584122},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.477053,"noise_level":-21.555502,"freq_skew":4.867163,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXL","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR67YC","msg_num":"S48","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985690,"usec":344559},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.503842,"noise_level":-22.918190,"freq_skew":4.860458,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5251,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[120,199]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985691,"usec":122729},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.264618,"noise_level":-22.491301,"freq_skew":4.840683,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985692,"usec":631074},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944247,"noise_level":-23.220999,"freq_skew":4.902164,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985692,"usec":632051},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754978,"noise_level":-23.823898,"freq_skew":4.617272,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4192,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[101,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985693,"usec":379099},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.709311,"noise_level":-23.610695,"freq_skew":4.722975,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4193,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36809,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[179,214]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":28,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985698,"usec":751622},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.365764,"noise_level":-24.752270,"freq_skew":4.389551,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985699,"usec":502946},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886871,"noise_level":-25.482628,"freq_skew":3.821641,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985699,"usec":504857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757979,"noise_level":-25.780737,"freq_skew":6.521027,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985700,"usec":263961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743239,"noise_level":-26.329432,"freq_skew":4.502449,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985701,"usec":26317},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696758,"noise_level":-26.967358,"freq_skew":3.667271,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5314,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[34,68]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985701,"usec":34660},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.642464,"noise_level":-26.832798,"freq_skew":4.776598,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985701,"usec":799077},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.979133,"noise_level":-26.296528,"freq_skew":2.185329,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9A-SHO","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"SR01MW","msg_num":"S52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985702,"usec":545358},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664031,"noise_level":-26.665833,"freq_skew":3.303354,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5315,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[30,71]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985702,"usec":563774},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.876135,"noise_level":-26.389599,"freq_skew":2.320617,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985712,"usec":495844},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912628,"noise_level":-23.170506,"freq_skew":3.789108,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5318,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36824,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[97,54]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":28,"sec":26}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985713,"usec":251033},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946367,"noise_level":-23.033943,"freq_skew":3.749105,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5319,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36824,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[234,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":28,"sec":30}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985715,"usec":556660},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.143397,"noise_level":-22.081219,"freq_skew":5.759955,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5320,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[15,83]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985720,"usec":921652},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.651483,"noise_level":-21.926971,"freq_skew":2.951946,"avlc":{"src":{"addr":"3C6670","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985722,"usec":436384},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882898,"noise_level":-23.130054,"freq_skew":4.530370,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":222,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985723,"usec":234287},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.079072,"noise_level":-25.261900,"freq_skew":2.789579,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985726,"usec":260128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.354290,"noise_level":-24.156235,"freq_skew":4.443550,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985727,"usec":777038},"freq":136975000,"burst_len_octets":254,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710103,"noise_level":-23.534290,"freq_skew":2.493639,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":true,"reg":".D-AINM","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"LH1330","msg_num":"D20","msg_num_seq":"C","sublabel":"DF","msg_text":",002,003,002,010,1/E20845,0912,50,103,012,000,032,0/N20842,0912,50,092,007,000,032,0/S24344,5814,011,N02,168,41,05398,2/T24384,5805,014,008,144,41,05401,2/X24901,00400,N05,002,015,002,010,1/N30843,0911,53,1"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985728,"usec":533930},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.734113,"noise_level":-23.340748,"freq_skew":2.809949,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":239,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33335,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[73,230,222,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985731,"usec":618926},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.157225,"noise_level":-24.606087,"freq_skew":2.993284,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985733,"usec":918556},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.514044,"noise_level":-25.551891,"freq_skew":1.132121,"avlc":{"src":{"addr":"4D2278","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985736,"usec":945140},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544002,"noise_level":-24.475508,"freq_skew":4.211194,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985742,"usec":295169},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972127,"noise_level":-24.852051,"freq_skew":2.842925,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985743,"usec":52521},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485133,"noise_level":-24.582928,"freq_skew":2.221682,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":600,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":11,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985745,"usec":396942},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820811,"noise_level":-25.553610,"freq_skew":2.728114,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":239,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":346,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":12,"dst_ref":33335,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[169,77,148,233]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985746,"usec":141390},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825222,"noise_level":-25.342190,"freq_skew":2.250535,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":600,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":11,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985746,"usec":157714},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017829,"noise_level":-25.151497,"freq_skew":2.924135,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985746,"usec":162518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460733,"noise_level":-25.088848,"freq_skew":3.736921,"avlc":{"src":{"addr":"3C6550","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985750,"usec":755132},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.118377,"noise_level":-25.245150,"freq_skew":4.679969,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":131,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33436,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[242,20,140,89]}]}],"x225_spdu":{"spdu_id":232,"spdu_type":"Short Connect","x227_apdu":{"acse_apdu":{"choice":"aarq","data":{"assoc_request":{"app_ctx_name":[1,3,27,3,1],"ap_title":{"choice":"ap-title-form2","data":{"ap_title_form2":[1,3,27,1,4344989,0]}}}}},"context_mgmt":{"cm_aircraft_message":{"choice":"cmLogonRequest","data":{"atn_context_mgmt_logon_request":{"flight_id":"MASBA","long_tsap":{"rdp":[193,131,73,77,0],"short_tsap":{"ars":[66,76,157],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,67,77]}},"ground_initiated_apps":[{"ae_qualifier_version_address":{"ae_qualifier":22,"version":1,"ap_address":{"choice":"longTsap","data":{"long_tsap":{"rdp":[193,131,73,77,0],"short_tsap":{"ars":[66,76,157],"loc_sys_nsel_tsel":[0,1,0,0,0,0,0,1,1,22,0]}}}}}}],"departure_airport":"EDDG","destination_airport":"LIME"}}}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985751,"usec":526424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600087,"noise_level":-25.501080,"freq_skew":4.678462,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985753,"usec":29304},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.185146,"noise_level":-24.992626,"freq_skew":1.891269,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985753,"usec":808380},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828700,"noise_level":-24.381855,"freq_skew":4.959722,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33436,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[75,48,13,93]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985754,"usec":538472},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.353356,"noise_level":-24.267530,"freq_skew":4.627128,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":2,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":133,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":14600,"dst_ref":33436,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[105,171,50,188]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985755,"usec":294111},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385163,"noise_level":-23.824707,"freq_skew":4.642918,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985756,"usec":52161},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.519320,"noise_level":-23.480827,"freq_skew":4.955332,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985756,"usec":55674},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016341,"noise_level":-23.650646,"freq_skew":4.783187,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985758,"usec":380202},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.126649,"noise_level":-23.550354,"freq_skew":4.762812,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985759,"usec":161061},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.419210,"noise_level":-23.064827,"freq_skew":4.456315,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[96,129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985759,"usec":162258},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591128,"noise_level":-23.052475,"freq_skew":4.599703,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985759,"usec":905412},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.050999,"noise_level":-22.929907,"freq_skew":4.628374,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":136,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33437,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[109,98,13,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985760,"usec":693686},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-15.539218,"noise_level":-22.433214,"freq_skew":5.018572,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985761,"usec":428663},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512963,"noise_level":-22.285059,"freq_skew":1.775851,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2973,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985761,"usec":436892},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.914306,"noise_level":-22.228741,"freq_skew":4.317669,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985762,"usec":185705},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":1,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.312191,"noise_level":-22.072971,"freq_skew":4.497735,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":781,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,77,33,247],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985767,"usec":573105},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.089268,"noise_level":-22.265978,"freq_skew":4.728889,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985771,"usec":376859},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697061,"noise_level":-23.047924,"freq_skew":3.803262,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985771,"usec":381985},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573367,"noise_level":-22.840683,"freq_skew":4.313624,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985775,"usec":947557},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623283,"noise_level":-25.042418,"freq_skew":4.560995,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985781,"usec":341412},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.593843,"noise_level":-24.167084,"freq_skew":5.810645,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985781,"usec":346359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464454,"noise_level":-24.449339,"freq_skew":1.951038,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985782,"usec":828969},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.719426,"noise_level":-24.861103,"freq_skew":7.366334,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985782,"usec":842806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.664170,"noise_level":-24.725359,"freq_skew":4.906502,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985782,"usec":848203},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501080,"noise_level":-24.665701,"freq_skew":3.301970,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":8.900001},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985785,"usec":145838},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.493165,"noise_level":-24.110756,"freq_skew":4.394362,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985786,"usec":660595},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.374379,"noise_level":-23.942398,"freq_skew":4.593443,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[90,104]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985788,"usec":968664},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.575937,"noise_level":-23.069366,"freq_skew":4.614466,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5255,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33377,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[163,194]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":29,"sec":47}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985789,"usec":712466},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641163,"noise_level":-22.897921,"freq_skew":1.988915,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2977,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":32,"dst_ref":12828,"variable_part_params":[{"name":"checksum","value":[208,49]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985791,"usec":263678},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.841050,"noise_level":-23.544563,"freq_skew":2.144795,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":155,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985791,"usec":264972},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.347824,"noise_level":-23.531509,"freq_skew":4.562223,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5256,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33377,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[178,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985792,"usec":27342},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.506880,"noise_level":-23.329338,"freq_skew":2.083236,"avlc":{"src":{"addr":"503E44","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10982A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985794,"usec":325723},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.462075,"noise_level":-23.803802,"freq_skew":4.707605,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":472,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55643,"credit":3,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[27,232,13,240]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985799,"usec":676417},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427901,"noise_level":-25.257782,"freq_skew":3.342570,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":3,"retry":3}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":8.900001},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985802,"usec":698529},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754726,"noise_level":-26.691555,"freq_skew":4.871662,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985803,"usec":459616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.277801,"noise_level":-27.013540,"freq_skew":3.455460,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985803,"usec":462716},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.829982,"noise_level":-26.840000,"freq_skew":2.060346,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985804,"usec":215346},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556897,"noise_level":-26.745070,"freq_skew":3.370980,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH005K","msg_num":"S26","msg_num_seq":"A","msg_text":"0EV202958V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":20,"min":29,"sec":58}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985805,"usec":24572},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.269081,"noise_level":-26.375385,"freq_skew":4.641434,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYW","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"BA979Y","msg_num":"S02","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985805,"usec":796857},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981341,"noise_level":-26.689182,"freq_skew":3.491552,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985809,"usec":583229},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208479,"noise_level":-25.316774,"freq_skew":4.527371,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985811,"usec":917420},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.838350,"noise_level":-24.993916,"freq_skew":3.510405,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":789,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985812,"usec":668767},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686553,"noise_level":-25.303570,"freq_skew":0.281581,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985812,"usec":672441},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.618092,"noise_level":-25.997253,"freq_skew":4.821056,"avlc":{"src":{"addr":"4BC843","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985814,"usec":196729},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683700,"noise_level":-26.180136,"freq_skew":0.068823,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":24,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985814,"usec":946186},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663101,"noise_level":-25.884428,"freq_skew":3.480309,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985815,"usec":704742},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.943691,"noise_level":-25.084436,"freq_skew":4.668144,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985816,"usec":457590},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.501886,"noise_level":-24.929848,"freq_skew":-0.065979,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985818,"usec":800769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633010,"noise_level":-24.955826,"freq_skew":5.014606,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985820,"usec":312943},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692791,"noise_level":-24.376255,"freq_skew":4.502981,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4196,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985820,"usec":329204},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.600815,"noise_level":-24.181166,"freq_skew":5.310998,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985820,"usec":329714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.380816,"noise_level":-24.181166,"freq_skew":2.504158,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985820,"usec":332752},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.532571,"noise_level":-24.580635,"freq_skew":6.499596,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985822,"usec":607110},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.625391,"noise_level":-23.515411,"freq_skew":6.440106,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985823,"usec":352598},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791677,"noise_level":-23.373365,"freq_skew":3.868449,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985825,"usec":684367},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.554431,"noise_level":-23.169802,"freq_skew":5.032232,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":6.300000},"alt":29000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985830,"usec":223969},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.876597,"noise_level":-23.399925,"freq_skew":4.084790,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985832,"usec":544406},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.285815,"noise_level":-22.567492,"freq_skew":6.566783,"avlc":{"src":{"addr":"4D2255","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6232,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985837,"usec":112550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.490752,"noise_level":-22.897711,"freq_skew":2.726699,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985837,"usec":131984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.149850,"noise_level":-23.391899,"freq_skew":4.608748,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EUYW","mode":"2","label":"_d","blk_id":"6","ack":"M","flight":"BA979Y","msg_num":"S03","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985840,"usec":190768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.996339,"noise_level":-24.258270,"freq_skew":2.723177,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985841,"usec":708087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.402987,"noise_level":-24.761477,"freq_skew":2.528250,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985841,"usec":734032},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921350,"noise_level":-24.746319,"freq_skew":4.680348,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985842,"usec":489940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.845315,"noise_level":-24.407957,"freq_skew":4.059114,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985844,"usec":768307},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773777,"noise_level":-24.226255,"freq_skew":2.737851,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985846,"usec":304449},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.882592,"noise_level":-24.878408,"freq_skew":6.085732,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985851,"usec":620727},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.552206,"noise_level":-23.502901,"freq_skew":2.625142,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985851,"usec":633739},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.205822,"noise_level":-24.582706,"freq_skew":5.742828,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985854,"usec":718106},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.021877,"noise_level":-23.971300,"freq_skew":3.664177,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-FNB","mode":"2","label":"_d","blk_id":"5","ack":"O","flight":"N0074F","msg_num":"S92","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985856,"usec":226654},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.616735,"noise_level":-24.605694,"freq_skew":2.977555,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AILD","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"LH09WA","msg_num":"S97","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985857,"usec":743075},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.272894,"noise_level":-23.951935,"freq_skew":1.799091,"avlc":{"src":{"addr":"4BB4F0","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":241,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":59,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985860,"usec":87932},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.253783,"noise_level":-24.112354,"freq_skew":2.534267,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985862,"usec":338731},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.914550,"noise_level":-24.903677,"freq_skew":4.021212,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":702,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12980,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[30,59,15,64]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985863,"usec":106902},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.433764,"noise_level":-24.588663,"freq_skew":2.409803,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":703,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12980,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[200,212,115,149]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985866,"usec":193247},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.796956,"noise_level":-25.767324,"freq_skew":2.413584,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985866,"usec":970203},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124829,"noise_level":-25.264980,"freq_skew":3.669410,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985869,"usec":241297},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844586,"noise_level":-25.282852,"freq_skew":4.606640,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ07HJ","msg_num":"S05","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985870,"usec":765707},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719854,"noise_level":-24.534151,"freq_skew":5.618426,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EPWR"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"alternate_ground_stations","value":["10911A","10910A","1098FA","10953A","109CBA","1090CA","109B5A","10970A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985870,"usec":776886},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.041090,"noise_level":-24.417818,"freq_skew":4.732896,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985872,"usec":317383},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817304,"noise_level":-23.912773,"freq_skew":5.417783,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22140465","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":2,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,72,193,53,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985873,"usec":842373},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800909,"noise_level":-23.544424,"freq_skew":5.687458,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2149,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,72,193,53],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985880,"usec":724805},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.678537,"noise_level":-21.687016,"freq_skew":4.739909,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4199,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[90,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985880,"usec":728884},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.243709,"noise_level":-21.644926,"freq_skew":5.425026,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985883,"usec":12021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.116872,"noise_level":-22.375269,"freq_skew":5.637466,"avlc":{"src":{"addr":"48C135","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985883,"usec":776215},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.428110,"noise_level":-22.061312,"freq_skew":2.862831,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985883,"usec":776883},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987390,"noise_level":-22.402201,"freq_skew":4.784013,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4200,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[86,26]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985886,"usec":830163},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920766,"noise_level":-21.614391,"freq_skew":4.802835,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985891,"usec":383317},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.173235,"noise_level":-21.689178,"freq_skew":5.797227,"avlc":{"src":{"addr":"3C66AC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUL","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"LH03LR","msg_num":"S40","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985891,"usec":385559},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.703603,"noise_level":-21.594738,"freq_skew":2.637780,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985892,"usec":140573},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557253,"noise_level":-21.511642,"freq_skew":5.189051,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985894,"usec":480881},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.811323,"noise_level":-22.798058,"freq_skew":2.085521,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985896,"usec":12687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937686,"noise_level":-23.903854,"freq_skew":2.752826,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985896,"usec":767222},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574857,"noise_level":-24.138897,"freq_skew":4.211509,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985898,"usec":301621},"freq":136975000,"burst_len_octets":130,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638149,"noise_level":-24.158062,"freq_skew":0.049356,"avlc":{"src":{"addr":"896312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".A6-ENP","mode":"2","label":"H1","blk_id":"4","ack":"!","flight":"EK013U","msg_num":"C53","msg_num_seq":"A","sublabel":"CF","msg_text":"RTE 1 09SEP26 2030 EKA6-ENP UAE13U EDDF/OMDB 311B-BCG-00W-19 R 2001 09SEP26\r\nEOR\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985899,"usec":101578},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.886361,"noise_level":-23.801003,"freq_skew":2.106153,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":564,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985902,"usec":117833},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275988,"noise_level":-23.565647,"freq_skew":1.873125,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985908,"usec":258562},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.393126,"noise_level":-23.676792,"freq_skew":-2.473968,"avlc":{"src":{"addr":"3C6648","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIRH","mode":"2","label":"_d","blk_id":"0","ack":"A","flight":"LH08FT","msg_num":"S22","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985909,"usec":11531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924504,"noise_level":-24.246519,"freq_skew":4.574506,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985909,"usec":772035},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652726,"noise_level":-23.967785,"freq_skew":3.181113,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985909,"usec":776661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.059473,"noise_level":-24.026424,"freq_skew":3.972692,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985909,"usec":788850},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.274358,"noise_level":-23.903030,"freq_skew":5.040207,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985911,"usec":291537},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163068,"noise_level":-24.522194,"freq_skew":4.629166,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985911,"usec":296401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.958567,"noise_level":-24.463913,"freq_skew":3.754850,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2190F8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985914,"usec":359347},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871505,"noise_level":-24.125881,"freq_skew":3.720397,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985915,"usec":114439},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966072,"noise_level":-23.810429,"freq_skew":2.040669,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWT","mode":"2","label":"1L","blk_id":"8","ack":"!","flight":"LH043L","msg_num":"M90","msg_num_seq":"A","msg_text":"00238234206)NBBQSRKR)KK5R7UJJR4PRI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985915,"usec":115035},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.085727,"noise_level":-23.796970,"freq_skew":-0.029936,"avlc":{"src":{"addr":"896312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985916,"usec":646047},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.506326,"noise_level":-23.087122,"freq_skew":1.936517,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985918,"usec":924269},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.952836,"noise_level":-23.085192,"freq_skew":2.660389,"avlc":{"src":{"addr":"4D239B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985919,"usec":684947},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.063851,"noise_level":-23.054893,"freq_skew":5.529573,"avlc":{"src":{"addr":"4CA80E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985921,"usec":238814},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.447581,"noise_level":-22.332602,"freq_skew":5.157264,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":336,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33362,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[235,131,37,57]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985926,"usec":604116},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.576069,"noise_level":-21.778160,"freq_skew":2.637733,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985926,"usec":611717},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585557,"noise_level":-21.949179,"freq_skew":0.862626,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985928,"usec":890159},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.115055,"noise_level":-23.726313,"freq_skew":4.645641,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985932,"usec":697549},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.987567,"noise_level":-22.623207,"freq_skew":4.555790,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985934,"usec":239885},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.742163,"noise_level":-23.049179,"freq_skew":4.390314,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985936,"usec":512107},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.933305,"noise_level":-24.386791,"freq_skew":5.389462,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985936,"usec":512425},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.462376,"noise_level":-24.372410,"freq_skew":4.616488,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2377,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985937,"usec":268213},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.159286,"noise_level":-24.201664,"freq_skew":5.736276,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985937,"usec":269083},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.890155,"noise_level":-24.159498,"freq_skew":2.641889,"avlc":{"src":{"addr":"4CAC64","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":244,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":60,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":2,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985938,"usec":30682},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.199018,"noise_level":-24.953773,"freq_skew":2.906129,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"dst_airport","value":"EDDG"},{"name":"ac_location","value":{"loc":{"lat":51.299999,"lon":8.700000},"alt":23000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985938,"usec":32883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.578371,"noise_level":-24.907801,"freq_skew":2.082791,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985938,"usec":44921},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.488892,"noise_level":-24.898560,"freq_skew":3.851119,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985938,"usec":814361},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.637732,"noise_level":-25.336617,"freq_skew":4.712987,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":145,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33437,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[229,199,54,79]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985940,"usec":355755},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.824125,"noise_level":-24.867802,"freq_skew":3.291248,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985941,"usec":129163},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.368116,"noise_level":-25.844280,"freq_skew":3.134646,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985941,"usec":889619},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.033313,"noise_level":-26.453829,"freq_skew":5.389427,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985942,"usec":632129},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747632,"noise_level":-26.096088,"freq_skew":4.686629,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985948,"usec":2517},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127267,"noise_level":-24.687149,"freq_skew":2.777648,"avlc":{"src":{"addr":"3C54A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985948,"usec":8605},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.712997,"noise_level":-24.627754,"freq_skew":3.022431,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985948,"usec":792002},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.596479,"noise_level":-25.038080,"freq_skew":5.409507,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985949,"usec":536546},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.227480,"noise_level":-24.808430,"freq_skew":4.443408,"avlc":{"src":{"addr":"4BCDA4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4206,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36809,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[78,32]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985951,"usec":32322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-9.826808,"noise_level":-24.028608,"freq_skew":5.505661,"avlc":{"src":{"addr":"300564","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985951,"usec":788148},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.093994,"noise_level":-23.796925,"freq_skew":5.421145,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4384,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33399,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[60,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985951,"usec":792854},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.095551,"noise_level":-23.545094,"freq_skew":5.394258,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4385,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33399,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[11,22]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985954,"usec":141699},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.004158,"noise_level":-22.652014,"freq_skew":1.765393,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985964,"usec":69278},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632287,"noise_level":-23.359718,"freq_skew":1.093328,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985964,"usec":818554},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513304,"noise_level":-24.628948,"freq_skew":2.520655,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":true,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":708,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33444,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[199,177,8,163]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":32,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985965,"usec":552633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553462,"noise_level":-24.380920,"freq_skew":2.564504,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985965,"usec":556665},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585404,"noise_level":-25.201950,"freq_skew":5.063177,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":337,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985966,"usec":357683},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.089343,"noise_level":-25.170387,"freq_skew":2.477351,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985966,"usec":361096},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195448,"noise_level":-25.904301,"freq_skew":4.681057,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985973,"usec":213430},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.722686,"noise_level":-24.666698,"freq_skew":4.359706,"avlc":{"src":{"addr":"406AE3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":479,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985973,"usec":218347},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.862626,"noise_level":-24.592690,"freq_skew":2.782022,"avlc":{"src":{"addr":"4B18BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985976,"usec":306493},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.202589,"noise_level":-23.351444,"freq_skew":3.837563,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"dst_airport","value":"LEPA"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":10.400001},"alt":37000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985977,"usec":57312},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786036,"noise_level":-23.212034,"freq_skew":5.187243,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985977,"usec":813338},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.550515,"noise_level":-24.166965,"freq_skew":4.914008,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985977,"usec":827782},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.479612,"noise_level":-24.718586,"freq_skew":4.065649,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IKD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR691A","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985978,"usec":592442},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.371659,"noise_level":-25.456980,"freq_skew":4.980924,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985979,"usec":327680},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582519,"noise_level":-25.382526,"freq_skew":1.749776,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985980,"usec":878171},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615997,"noise_level":-26.235163,"freq_skew":4.145057,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985983,"usec":169253},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882111,"noise_level":-25.478275,"freq_skew":3.941934,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985983,"usec":174269},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.591503,"noise_level":-26.072634,"freq_skew":2.492463,"avlc":{"src":{"addr":"3C65CD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":711,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33444,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[33,118,46,127]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985983,"usec":939619},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.042944,"noise_level":-25.696419,"freq_skew":4.953413,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":342,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":60,"dst_ref":33362,"variable_part_params":[{"name":"atn_checksum","value":[139,156,40,146]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985983,"usec":940476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.755806,"noise_level":-26.211563,"freq_skew":4.138604,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985985,"usec":464740},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718074,"noise_level":-26.287470,"freq_skew":3.833802,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[249,109]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985988,"usec":545616},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.191949,"noise_level":-25.225613,"freq_skew":4.547222,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985990,"usec":56251},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.721418,"noise_level":-24.643183,"freq_skew":0.075874,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1092FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985993,"usec":90465},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.819468,"noise_level":-24.778008,"freq_skew":3.871855,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":348,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[249,109]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985996,"usec":917219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.459821,"noise_level":-25.408995,"freq_skew":4.888898,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985997,"usec":679596},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325967,"noise_level":-24.905750,"freq_skew":2.003651,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985997,"usec":681052},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.444231,"noise_level":-25.213203,"freq_skew":2.840521,"avlc":{"src":{"addr":"4B18BA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985997,"usec":681466},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337133,"noise_level":-25.197388,"freq_skew":3.854221,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788985999,"usec":220183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.912687,"noise_level":-24.441219,"freq_skew":-0.108260,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986003,"usec":821100},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.313604,"noise_level":-23.433647,"freq_skew":2.753117,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986022,"usec":172986},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.510533,"noise_level":-20.852615,"freq_skew":-0.155405,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZH","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"LH01RH","msg_num":"M14","msg_num_seq":"A","msg_text":"/LIPZ.TI2/040LIPZAFF85"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986022,"usec":179429},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.711509,"noise_level":-21.558685,"freq_skew":3.623480,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":349,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33339,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[54,41]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986022,"usec":185969},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.743942,"noise_level":-21.486235,"freq_skew":4.614650,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":223,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986023,"usec":694669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870004,"noise_level":-22.178123,"freq_skew":-0.046741,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986025,"usec":956787},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.762237,"noise_level":-21.277710,"freq_skew":4.711140,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-GXL","mode":"2","label":"B9","blk_id":"7","ack":"!","flight":"FR67YC","msg_num":"M45","msg_num_seq":"A","msg_text":"/EBCI.TI2/024EBCIAA271"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986026,"usec":714183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.056033,"noise_level":-21.847391,"freq_skew":4.516368,"avlc":{"src":{"addr":"49D2B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986029,"usec":805884},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681771,"noise_level":-22.907534,"freq_skew":0.164316,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12992,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[143,203,217,142]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":33,"sec":48}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986029,"usec":815233},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.064471,"noise_level":-23.086571,"freq_skew":5.197567,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986032,"usec":865737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012928,"noise_level":-25.528753,"freq_skew":5.191864,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986034,"usec":406476},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.311804,"noise_level":-25.872707,"freq_skew":1.701938,"avlc":{"src":{"addr":"4D2278","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986035,"usec":191374},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.421476,"noise_level":-25.089338,"freq_skew":4.010354,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1869,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12910,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[216,155]},{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986035,"usec":946372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.589338,"noise_level":-24.737621,"freq_skew":3.278283,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986036,"usec":699588},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.891150,"noise_level":-25.066307,"freq_skew":3.852290,"avlc":{"src":{"addr":"3C4A07","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986042,"usec":40106},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964914,"noise_level":-23.182413,"freq_skew":0.092156,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986043,"usec":560543},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718768,"noise_level":-23.778690,"freq_skew":4.551097,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986044,"usec":315547},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638415,"noise_level":-23.671989,"freq_skew":0.088483,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986054,"usec":239971},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804649,"noise_level":-21.910505,"freq_skew":3.603355,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5326,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36824,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[155,249]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":34,"sec":11}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986057,"usec":317305},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.070817,"noise_level":-20.718990,"freq_skew":4.589392,"avlc":{"src":{"addr":"4CAFD1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094AA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986058,"usec":75527},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.130324,"noise_level":-20.504637,"freq_skew":3.673343,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986060,"usec":383940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.572093,"noise_level":-19.696505,"freq_skew":4.265175,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986061,"usec":921271},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758668,"noise_level":-20.313356,"freq_skew":2.306959,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":5}},{"name":"avlc_specific_options","value":[4]},{"name":"dst_airport","value":"LFPG"},{"name":"ac_location","value":{"loc":{"lat":51.799999,"lon":11.000000},"alt":36000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986061,"usec":940226},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.799021,"noise_level":-20.482754,"freq_skew":2.889697,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986063,"usec":456022},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.643474,"noise_level":-20.206711,"freq_skew":2.111510,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986064,"usec":995686},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.565329,"noise_level":-21.203777,"freq_skew":1.969592,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17006231","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,84,85,73,0,60,12,153,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986066,"usec":495270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.902857,"noise_level":-20.804052,"freq_skew":1.912504,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986067,"usec":259714},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.947873,"noise_level":-20.679440,"freq_skew":4.875567,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":2,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDL"},{"name":"ac_location","value":{"loc":{"lat":50.100002,"lon":5.000000},"alt":32000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986068,"usec":809027},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758772,"noise_level":-20.644609,"freq_skew":2.254154,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986069,"usec":567121},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.473958,"noise_level":-20.395622,"freq_skew":5.347576,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33393,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[86,175,205,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986071,"usec":77691},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025715,"noise_level":-20.060263,"freq_skew":2.438525,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986071,"usec":78618},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167253,"noise_level":-20.285015,"freq_skew":5.358259,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986074,"usec":944209},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968550,"noise_level":-19.493652,"freq_skew":1.638319,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986077,"usec":980956},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.468357,"noise_level":-18.751526,"freq_skew":5.223236,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986078,"usec":733829},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.370058,"noise_level":-18.631983,"freq_skew":5.255618,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986080,"usec":240018},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.871517,"noise_level":-18.540005,"freq_skew":3.837343,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":350,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[249,109]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986081,"usec":29871},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.018399,"noise_level":-18.749447,"freq_skew":3.119465,"avlc":{"src":{"addr":"3C4965","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986097,"usec":107017},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.501259,"noise_level":-17.640341,"freq_skew":3.098321,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986101,"usec":684423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.147624,"noise_level":-18.123329,"freq_skew":2.747597,"avlc":{"src":{"addr":"3C6584","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986102,"usec":447093},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.214815,"noise_level":-18.346193,"freq_skew":2.973385,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986103,"usec":203047},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.281826,"noise_level":-18.701445,"freq_skew":3.708585,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986103,"usec":968860},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.799988,"noise_level":-19.412268,"freq_skew":2.170564,"avlc":{"src":{"addr":"501C16","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986108,"usec":582922},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757814,"noise_level":-18.708715,"freq_skew":1.807230,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986109,"usec":341475},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855635,"noise_level":-18.494286,"freq_skew":3.841923,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":353,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33339,"sseq":5,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[202,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":5,"msg_ref":6,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":35,"sec":8}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986110,"usec":849440},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861474,"noise_level":-18.983166,"freq_skew":3.776640,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986111,"usec":622669},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.176881,"noise_level":-19.106062,"freq_skew":4.542874,"avlc":{"src":{"addr":"346199","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986112,"usec":380326},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035953,"noise_level":-20.017536,"freq_skew":3.751521,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":356,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33339,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[113,174]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986113,"usec":888806},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265350,"noise_level":-19.768404,"freq_skew":2.689465,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":662,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[109,71,112,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986114,"usec":673518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.994803,"noise_level":-19.480917,"freq_skew":2.954501,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986117,"usec":722179},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.211942,"noise_level":-21.963949,"freq_skew":8.469305,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986117,"usec":722575},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.885866,"noise_level":-21.963949,"freq_skew":2.545506,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":25,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":662,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[109,71,112,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986118,"usec":486455},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.777296,"noise_level":-21.643696,"freq_skew":4.853607,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":553,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986120,"usec":770132},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840605,"noise_level":-21.143002,"freq_skew":3.683991,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986120,"usec":770132},"freq":136975000,"burst_len_octets":29,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.840605,"noise_level":-21.143002,"freq_skew":3.683991,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":5}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986121,"usec":554436},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.599057,"noise_level":-22.244629,"freq_skew":-0.114804,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986123,"usec":97115},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.726158,"noise_level":-23.483280,"freq_skew":8.387954,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986132,"usec":248153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.303708,"noise_level":-20.684181,"freq_skew":4.606975,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986139,"usec":146925},"freq":136975000,"burst_len_octets":83,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.095618,"noise_level":-19.129450,"freq_skew":2.459507,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":10,"chan_num":253,"calling_addr":"15071410","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":512,"from_called_dte":512}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65534,"net":[71,0,39,65,83,87,84,0,52,115,8,0,0,0,0,0,0,0,0,0],"options":[{"name":"atn_datalink_caps","value":[1]}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986139,"usec":894028},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.140715,"noise_level":-18.981422,"freq_skew":2.903146,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIUO","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"LH033P","msg_num":"S19","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986140,"usec":674774},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.627203,"noise_level":-18.932383,"freq_skew":2.396690,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986146,"usec":762851},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.778167,"noise_level":-19.977955,"freq_skew":3.795956,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5328,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36824,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[12,162]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986149,"usec":862040},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.139486,"noise_level":-20.414427,"freq_skew":2.718732,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986149,"usec":869860},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805367,"noise_level":-20.350885,"freq_skew":3.489144,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SLB","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"XQ057V","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986149,"usec":871907},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.461600,"noise_level":-20.332815,"freq_skew":3.740725,"avlc":{"src":{"addr":"4CAE92","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986155,"usec":171121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.750728,"noise_level":-19.539621,"freq_skew":6.896104,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986159,"usec":784935},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.345981,"noise_level":-20.122118,"freq_skew":5.219759,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4393,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33399,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[244,106]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986160,"usec":530836},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.786458,"noise_level":-20.321747,"freq_skew":3.820197,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[148,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986165,"usec":123736},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.976973,"noise_level":-19.238430,"freq_skew":3.672543,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[148,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986166,"usec":644647},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.429219,"noise_level":-19.714556,"freq_skew":4.099270,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":254,"calling_addr":"23127131","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,82,89,82,0,76,174,89,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986168,"usec":176354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458284,"noise_level":-19.592512,"freq_skew":4.210399,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986169,"usec":754718},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971571,"noise_level":-20.997355,"freq_skew":3.788756,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":360,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12951,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[148,111]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986170,"usec":518440},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.896873,"noise_level":-21.307041,"freq_skew":2.689692,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986172,"usec":794814},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.775273,"noise_level":-21.535572,"freq_skew":2.078832,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986176,"usec":612380},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677652,"noise_level":-20.362186,"freq_skew":2.257621,"avlc":{"src":{"addr":"4B17E6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986181,"usec":172086},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.575006,"noise_level":-20.255154,"freq_skew":4.910395,"avlc":{"src":{"addr":"48C230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986181,"usec":946406},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.033405,"noise_level":-19.973528,"freq_skew":4.794785,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986188,"usec":75238},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.166171,"noise_level":-20.647053,"freq_skew":5.295903,"avlc":{"src":{"addr":"4B1939","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JOJ","mode":"2","label":"B9","blk_id":"5","ack":"!","flight":"CS08HE","msg_num":"M44","msg_num_seq":"A","msg_text":"/LSZH.TI2/040LSZHA2E59"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986189,"usec":629451},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072513,"noise_level":-20.209106,"freq_skew":5.230077,"avlc":{"src":{"addr":"4B1939","type":"Aircraft","status":"Airborne"},"dst":{"addr":"263B57","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986190,"usec":377657},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.331445,"noise_level":-20.165562,"freq_skew":2.872632,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAFAB","mode":"2","label":"5U","blk_id":"4","ack":"!","flight":"XA0000","msg_num":"M49","msg_num_seq":"A","msg_text":"002AF EGGW N4816.2E 608.3380"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986192,"usec":651533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.325645,"noise_level":-19.608366,"freq_skew":2.757586,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986194,"usec":201364},"freq":136975000,"burst_len_octets":81,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.518699,"noise_level":-19.123943,"freq_skew":2.838896,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":26,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":52,"dst_ref":34789,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"tpdu_size","value":1024},{"name":"called_responding_transport_selector","value":[22]},{"name":"calling_transport_selector","value":[112,109]},{"name":"priority","value":3},{"name":"ack_time_ms","value":1000},{"name":"inactivity_timer_ms","value":360000},{"name":"additional_options","value":[0]},{"name":"atn_checksum","value":[237,11,80,232]}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986195,"usec":739608},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.998104,"noise_level":-19.781149,"freq_skew":2.971101,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986195,"usec":755368},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.099011,"noise_level":-19.663372,"freq_skew":1.855657,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986198,"usec":20961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756869,"noise_level":-19.846474,"freq_skew":4.082984,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986198,"usec":784620},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802298,"noise_level":-20.139996,"freq_skew":3.862837,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LN-FNB","mode":"2","label":"_d","blk_id":"5","ack":"P","flight":"N0074F","msg_num":"S93","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986199,"usec":536535},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505369,"noise_level":-20.622257,"freq_skew":2.237019,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986199,"usec":540890},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708709,"noise_level":-20.594311,"freq_skew":3.604586,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":361,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":10,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986199,"usec":547022},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.918547,"noise_level":-20.557186,"freq_skew":1.751106,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":565,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986200,"usec":320401},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.629272,"noise_level":-20.230011,"freq_skew":4.609047,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3007,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":649,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[232,85]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986203,"usec":386463},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.259678,"noise_level":-20.154816,"freq_skew":3.735126,"avlc":{"src":{"addr":"06A30C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986207,"usec":952192},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.065064,"noise_level":-20.260466,"freq_skew":2.936023,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"5","ack":"K","flight":"LH005K","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986207,"usec":953495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896065,"noise_level":-20.242584,"freq_skew":3.564826,"avlc":{"src":{"addr":"47B1DC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986211,"usec":43651},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.808394,"noise_level":-19.594099,"freq_skew":2.646230,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AENA","mode":"2","label":"_d","blk_id":"5","ack":"K","flight":"LH005K","msg_num":"S28","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986216,"usec":360947},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.716187,"noise_level":-19.743357,"freq_skew":4.475906,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSW","mode":"2","label":"Q0","blk_id":"9","ack":"!","flight":"FR04AY","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986221,"usec":691322},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.252364,"noise_level":-18.481478,"freq_skew":4.830840,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986224,"usec":19523},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.349210,"noise_level":-17.913330,"freq_skew":4.830131,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986225,"usec":555036},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.716115,"noise_level":-18.107164,"freq_skew":1.870889,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986225,"usec":559440},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.717725,"noise_level":-18.629278,"freq_skew":4.655803,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":420,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986225,"usec":564367},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.760430,"noise_level":-19.461645,"freq_skew":4.769939,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986228,"usec":604421},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.556230,"noise_level":-18.681364,"freq_skew":4.584960,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986229,"usec":344090},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.632298,"noise_level":-18.526047,"freq_skew":-0.149285,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986230,"usec":140239},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.731736,"noise_level":-18.471821,"freq_skew":1.753524,"avlc":{"src":{"addr":"3C6748","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":40,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12992,"credit":3,"rseq":8,"variable_part_params":[{"name":"atn_checksum","value":[123,9,227,175]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986233,"usec":206383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.337155,"noise_level":-18.745388,"freq_skew":0.935975,"avlc":{"src":{"addr":"3C4B2D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986233,"usec":941113},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.285656,"noise_level":-19.188766,"freq_skew":3.109686,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":28,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":662,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[109,71,112,52]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986237,"usec":16674},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667624,"noise_level":-18.431597,"freq_skew":4.549456,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2378,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986238,"usec":548133},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.109441,"noise_level":-17.931452,"freq_skew":3.583342,"avlc":{"src":{"addr":"4BCD82","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986240,"usec":69747},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583021,"noise_level":-17.728483,"freq_skew":4.789226,"avlc":{"src":{"addr":"4CA61C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986256,"usec":109211},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.487598,"noise_level":-17.541063,"freq_skew":8.508368,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986259,"usec":954935},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.267083,"noise_level":-17.762341,"freq_skew":4.196634,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986265,"usec":305578},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.463480,"noise_level":-19.469391,"freq_skew":5.234430,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":343,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986269,"usec":862735},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920826,"noise_level":-21.127823,"freq_skew":2.619248,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986272,"usec":954007},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880236,"noise_level":-21.135397,"freq_skew":4.759749,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":386,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986275,"usec":242954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313416,"noise_level":-23.328907,"freq_skew":5.278389,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986281,"usec":350579},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.896110,"noise_level":-21.379774,"freq_skew":4.710172,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986283,"usec":667476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.387354,"noise_level":-21.098549,"freq_skew":4.632905,"avlc":{"src":{"addr":"48C230","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986287,"usec":468107},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.516183,"noise_level":-19.995672,"freq_skew":4.415364,"avlc":{"src":{"addr":"49D1C6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986288,"usec":261344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.082548,"noise_level":-20.570576,"freq_skew":4.597101,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986293,"usec":588933},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832504,"noise_level":-19.396080,"freq_skew":4.938489,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":388,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33408,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[191,201,20,227]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":38,"sec":11}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986294,"usec":362337},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882041,"noise_level":-19.398159,"freq_skew":4.717880,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":389,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33408,"credit":4,"rseq":10,"variable_part_params":[{"name":"atn_checksum","value":[0,30,165,119]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986295,"usec":864999},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.036532,"noise_level":-19.266245,"freq_skew":2.202555,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986298,"usec":950364},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.378974,"noise_level":-20.681355,"freq_skew":5.776571,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":0.000000,"lon":0.000000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986316,"usec":516352},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.974640,"noise_level":-17.602041,"freq_skew":5.237481,"avlc":{"src":{"addr":"4CA242","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986321,"usec":893982},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.592503,"noise_level":-16.363413,"freq_skew":1.847917,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986322,"usec":645193},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.529634,"noise_level":-16.323502,"freq_skew":1.784104,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":770,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55667,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[167,40,221,116]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986322,"usec":656501},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.065260,"noise_level":-16.731926,"freq_skew":1.870236,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":771,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55667,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[217,129,227,139]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55667,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,100,253,202]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":38,"sec":41}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986324,"usec":156376},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449965,"noise_level":-16.616632,"freq_skew":1.779043,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986325,"usec":708819},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.894783,"noise_level":-17.055861,"freq_skew":1.593749,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986326,"usec":471234},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.662389,"noise_level":-16.835869,"freq_skew":1.611285,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986331,"usec":843923},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.505447,"noise_level":-17.590773,"freq_skew":5.154474,"avlc":{"src":{"addr":"4CA2AB","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4395,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986333,"usec":372432},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.707191,"noise_level":-17.888012,"freq_skew":3.600279,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986334,"usec":131452},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135097,"noise_level":-18.121077,"freq_skew":1.707888,"avlc":{"src":{"addr":"4D2278","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986334,"usec":870143},"freq":136975000,"burst_len_octets":37,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.255299,"noise_level":-18.877932,"freq_skew":8.486155,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":246,"pdu_id":576,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":73,"dst_ref":55668,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[37,127,70,202]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986335,"usec":648364},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.517268,"noise_level":-18.665535,"freq_skew":8.019843,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986336,"usec":406495},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321566,"noise_level":-18.408657,"freq_skew":8.333976,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986337,"usec":164650},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.621493,"noise_level":-18.315147,"freq_skew":4.685073,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986337,"usec":174668},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003744,"noise_level":-18.243895,"freq_skew":8.285556,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986345,"usec":607752},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.070520,"noise_level":-19.979517,"freq_skew":4.696280,"avlc":{"src":{"addr":"48C234","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3025,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36854,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[112,209]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986347,"usec":136903},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.368876,"noise_level":-19.919678,"freq_skew":0.183550,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986347,"usec":870877},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.731860,"noise_level":-20.634851,"freq_skew":3.658270,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986355,"usec":511099},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.968900,"noise_level":-18.405367,"freq_skew":4.620861,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986359,"usec":375679},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.820022,"noise_level":-19.601608,"freq_skew":4.631395,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWM","mode":"2","label":"_d","blk_id":"7","ack":"A","flight":"LH03LU","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986361,"usec":647329},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.244334,"noise_level":-19.631651,"freq_skew":2.209663,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2979,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986366,"usec":254308},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.235316,"noise_level":-19.095310,"freq_skew":4.081551,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":419,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55640,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[40,28]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":39,"sec":23}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986366,"usec":261015},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176348,"noise_level":-19.048477,"freq_skew":-0.295419,"avlc":{"src":{"addr":"896312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986374,"usec":666059},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.191522,"noise_level":-17.311529,"freq_skew":0.343359,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":68,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":10,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986376,"usec":159937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.315382,"noise_level":-17.260077,"freq_skew":5.083588,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986381,"usec":539339},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.128844,"noise_level":-16.857996,"freq_skew":4.312753,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":421,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55640,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[176,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986384,"usec":567964},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.322889,"noise_level":-16.866779,"freq_skew":4.727540,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986386,"usec":875810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.162963,"noise_level":-18.008825,"freq_skew":4.118021,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986388,"usec":396892},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.279576,"noise_level":-17.690136,"freq_skew":1.843571,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":772,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55667,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[162,194,65,121]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986389,"usec":180750},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809236,"noise_level":-17.453705,"freq_skew":4.682621,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986391,"usec":441369},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638591,"noise_level":-18.305262,"freq_skew":5.119025,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILR","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR3885","msg_num":"S84","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986392,"usec":198859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950803,"noise_level":-18.124907,"freq_skew":5.193274,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986393,"usec":3097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.901762,"noise_level":-17.972265,"freq_skew":7.097983,"avlc":{"src":{"addr":"4CAF2B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986396,"usec":40237},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.818587,"noise_level":-17.786823,"freq_skew":4.153862,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":3,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986399,"usec":878989},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.469563,"noise_level":-18.383324,"freq_skew":2.000924,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986405,"usec":993119},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154927,"noise_level":-18.661472,"freq_skew":7.149756,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986405,"usec":994302},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.772943,"noise_level":-19.363649,"freq_skew":1.724728,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986407,"usec":507451},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.216529,"noise_level":-19.109098,"freq_skew":3.718496,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".YL-ABG","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"BT1338","msg_num":"S41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986407,"usec":514952},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.706411,"noise_level":-18.976843,"freq_skew":4.176053,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986409,"usec":801616},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436323,"noise_level":-18.531134,"freq_skew":3.320650,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986409,"usec":819055},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.842141,"noise_level":-19.025009,"freq_skew":8.485666,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJV","mode":"2","label":"_d","blk_id":"5","ack":"R","flight":"WK045L","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986410,"usec":553185},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.787422,"noise_level":-18.955414,"freq_skew":7.285191,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986411,"usec":315272},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.428412,"noise_level":-18.805866,"freq_skew":8.163723,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJV","mode":"2","label":"_d","blk_id":"6","ack":"S","flight":"WK045L","msg_num":"S30","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986411,"usec":332496},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.394282,"noise_level":-19.267334,"freq_skew":4.309616,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[8,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986413,"usec":632757},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.368124,"noise_level":-19.309219,"freq_skew":7.198027,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986415,"usec":906644},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.839180,"noise_level":-18.675135,"freq_skew":4.593002,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3064,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55657,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[126,9]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986416,"usec":669961},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.809506,"noise_level":-18.522537,"freq_skew":7.101681,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986417,"usec":425714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881677,"noise_level":-19.237627,"freq_skew":4.417515,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986418,"usec":180574},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.107481,"noise_level":-19.134808,"freq_skew":5.033729,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":554,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986418,"usec":183006},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480319,"noise_level":-19.087761,"freq_skew":6.924489,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986420,"usec":527317},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.119981,"noise_level":-18.924576,"freq_skew":7.101612,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":4,"lifetime":100.000000,"flags":0,"cotp":{"pdu_list":[{"err":true}],"unknown_proto":{"data":[0,0,0,0,0,8,8,8,8,0,176,1,5,73,101,72,2,153,68,153,0,0,0,0,0,0,0,1,1,2,2,153,38,108,88,178,225,200]}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986421,"usec":287042},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.267634,"noise_level":-18.749830,"freq_skew":4.422621,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986422,"usec":794788},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.867863,"noise_level":-18.446791,"freq_skew":7.250000,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":7,"unknown_proto":{"data":[1,33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986423,"usec":571778},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086199,"noise_level":-19.442038,"freq_skew":3.602237,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986424,"usec":321656},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212645,"noise_level":-20.429501,"freq_skew":4.582109,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986425,"usec":78798},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.882108,"noise_level":-20.679884,"freq_skew":7.142117,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986426,"usec":649875},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.666127,"noise_level":-20.749949,"freq_skew":8.167911,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-IJV","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"WK045L","msg_num":"211","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E6500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986426,"usec":654081},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016336,"noise_level":-20.721588,"freq_skew":7.137715,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":1425,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":16,"dst_ref":13013,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[11,12]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986435,"usec":796505},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.320565,"noise_level":-20.173006,"freq_skew":7.238451,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1429,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13017,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[73,120]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986436,"usec":578825},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.043538,"noise_level":-21.401129,"freq_skew":3.180091,"avlc":{"src":{"addr":"4520EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986438,"usec":90882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.710005,"noise_level":-21.887878,"freq_skew":-0.823408,"avlc":{"src":{"addr":"896312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986443,"usec":458673},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.889470,"noise_level":-20.856905,"freq_skew":2.186405,"avlc":{"src":{"addr":"347308","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F2A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":253,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":50,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33419,"credit":3,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[109,73,19,5]},{"name":"subseq_num","value":6}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986448,"usec":49471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802605,"noise_level":-20.071928,"freq_skew":2.748401,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"hdlc_options","value":[32,132,128]},{"name":"procedure_classes","value":[0,1]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986451,"usec":835372},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.485063,"noise_level":-19.095457,"freq_skew":4.648696,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986460,"usec":280426},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825678,"noise_level":-17.319847,"freq_skew":2.695453,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":true,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..DAFAB","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"XA0000","msg_num":"M52","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986462,"usec":558294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.813979,"noise_level":-17.111538,"freq_skew":0.722473,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986467,"usec":173428},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.621446,"noise_level":-17.369272,"freq_skew":0.940300,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986467,"usec":922577},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.518040,"noise_level":-17.461739,"freq_skew":1.788341,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":776,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55667,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,177,53,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986468,"usec":705776},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.438724,"noise_level":-17.206139,"freq_skew":4.380219,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986471,"usec":725760},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.083837,"noise_level":-17.811325,"freq_skew":5.126253,"avlc":{"src":{"addr":"4B1939","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986472,"usec":488546},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752138,"noise_level":-17.691692,"freq_skew":8.343233,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":583,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55669,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[213,126,40,32]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55669,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[61,188,203,221]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":41,"sec":10}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986473,"usec":284197},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.226871,"noise_level":-18.600643,"freq_skew":4.481746,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986473,"usec":303051},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.806066,"noise_level":-18.461288,"freq_skew":8.160317,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986473,"usec":304802},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.006387,"noise_level":-18.568544,"freq_skew":4.776366,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDTY"},{"name":"ac_location","value":{"loc":{"lat":49.000000,"lon":10.000000},"alt":4000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986476,"usec":318044},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917712,"noise_level":-18.143412,"freq_skew":8.178236,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":584,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55669,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[115,99,191,211]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":41,"sec":14}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986476,"usec":318802},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.786351,"noise_level":-18.129395,"freq_skew":1.906903,"avlc":{"src":{"addr":"3C0C99","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986477,"usec":839586},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.985365,"noise_level":-17.840843,"freq_skew":8.187694,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55669,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[73,30,35,16]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986479,"usec":402476},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.355405,"noise_level":-17.534685,"freq_skew":4.506917,"avlc":{"src":{"addr":"3C7428","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986483,"usec":220200},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.817075,"noise_level":-18.192852,"freq_skew":8.322823,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":586,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55669,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[243,183,135,101]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986483,"usec":220200},"freq":136975000,"burst_len_octets":69,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.817075,"noise_level":-18.192852,"freq_skew":8.322823,"avlc":{"src":{"addr":"4B161F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":74,"dst_ref":55669,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[43,198,55,138]}],"x225_spm_transport_disconnect_reason_code":1,"x225_spm_transport_disconnect_reason":"OK, transport connection not reused"}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986483,"usec":963320},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204885,"noise_level":-18.509386,"freq_skew":4.968515,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986484,"usec":742053},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.393479,"noise_level":-18.214481,"freq_skew":4.886980,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986487,"usec":827700},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.864277,"noise_level":-20.781565,"freq_skew":4.535235,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986489,"usec":345567},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679388,"noise_level":-20.786690,"freq_skew":3.338010,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986490,"usec":840186},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861291,"noise_level":-21.334303,"freq_skew":4.426958,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1687,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986492,"usec":350714},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.112681,"noise_level":-21.055243,"freq_skew":7.327507,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986492,"usec":356060},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.166862,"noise_level":-21.033150,"freq_skew":1.805271,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLP","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"WK031U","msg_num":"201","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E3500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986495,"usec":458788},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.331237,"noise_level":-20.088543,"freq_skew":7.192917,"avlc":{"src":{"addr":"4CA24C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1432,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13017,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[161,51]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":2,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":41,"sec":33}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986496,"usec":207016},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.633341,"noise_level":-19.786722,"freq_skew":4.900574,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":16,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986497,"usec":717381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162344,"noise_level":-19.397243,"freq_skew":5.063869,"avlc":{"src":{"addr":"3CD528","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986497,"usec":718495},"freq":136975000,"burst_len_octets":61,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.292283,"noise_level":-19.364889,"freq_skew":1.870401,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLP","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"WK031U","msg_num":"203","msg_num_seq":"A","sublabel":"T2","msg_text":"DRC7 /E6500/."}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986499,"usec":271171},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204411,"noise_level":-21.662395,"freq_skew":3.532852,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986505,"usec":353315},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.144876,"noise_level":-20.867245,"freq_skew":0.521285,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986507,"usec":680483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.218210,"noise_level":-20.813019,"freq_skew":4.472393,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986508,"usec":439332},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152857,"noise_level":-20.577776,"freq_skew":5.353489,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":158,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33393,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[31,28,250,37]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986508,"usec":441150},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.982233,"noise_level":-20.540722,"freq_skew":5.162492,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33393,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[134,56,233,91]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":9,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":41,"sec":46}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986509,"usec":959219},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162305,"noise_level":-20.291550,"freq_skew":5.116385,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986511,"usec":494067},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.099801,"noise_level":-20.092009,"freq_skew":5.153201,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".LZ-CXD","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"HQ6809","msg_num":"S36","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986512,"usec":255136},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.442677,"noise_level":-19.875271,"freq_skew":5.465403,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986513,"usec":808401},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.102780,"noise_level":-19.999182,"freq_skew":3.290252,"avlc":{"src":{"addr":"502D58","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986517,"usec":613028},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.124653,"noise_level":-19.825850,"freq_skew":5.366800,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986519,"usec":123790},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.569744,"noise_level":-19.452435,"freq_skew":5.006562,"avlc":{"src":{"addr":"4B1939","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986525,"usec":236180},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.385007,"noise_level":-19.090723,"freq_skew":2.284368,"avlc":{"src":{"addr":"3C56F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986527,"usec":556772},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.916543,"noise_level":-18.711655,"freq_skew":3.223509,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986529,"usec":103473},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.302784,"noise_level":-18.188545,"freq_skew":1.745555,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":777,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55667,"credit":3,"rseq":4,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[77,177,53,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986552,"usec":757329},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.857761,"noise_level":-16.262323,"freq_skew":1.881041,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986553,"usec":513366},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.676880,"noise_level":-17.070782,"freq_skew":3.350413,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":39,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":662,"credit":3,"rseq":5,"variable_part_params":[{"name":"atn_checksum","value":[54,179,157,206]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986558,"usec":122080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.961470,"noise_level":-18.044708,"freq_skew":2.452783,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986558,"usec":146240},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925504,"noise_level":-18.538216,"freq_skew":2.005549,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986561,"usec":211008},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.615165,"noise_level":-17.826763,"freq_skew":4.017325,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986561,"usec":988382},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.358504,"noise_level":-18.309332,"freq_skew":5.010370,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986562,"usec":734621},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.485432,"noise_level":-19.513937,"freq_skew":5.251616,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":163,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33393,"credit":4,"rseq":11,"variable_part_params":[{"name":"atn_checksum","value":[201,181,95,122]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986562,"usec":752069},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.633764,"noise_level":-19.399706,"freq_skew":4.459736,"avlc":{"src":{"addr":"4D2369","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986575,"usec":737673},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189768,"noise_level":-18.917160,"freq_skew":4.805990,"avlc":{"src":{"addr":"3C5EE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986576,"usec":488799},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915722,"noise_level":-18.795332,"freq_skew":5.338524,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OJX","mode":"2","label":"H1","blk_id":"3","ack":"!","flight":"CA4301","msg_num":"D88","msg_num_seq":"E","sublabel":"DF","msg_text":";0;0;0;\r\nL24;0;0;0;0;0;\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986578,"usec":20923},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.555445,"noise_level":-19.401459,"freq_skew":4.221169,"avlc":{"src":{"addr":"346199","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDP"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986578,"usec":30473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.364780,"noise_level":-19.344721,"freq_skew":5.192766,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986579,"usec":527417},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.397821,"noise_level":-18.981882,"freq_skew":4.265396,"avlc":{"src":{"addr":"346199","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986581,"usec":845892},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220494,"noise_level":-20.005699,"freq_skew":4.366691,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986587,"usec":191707},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.055691,"noise_level":-19.415684,"freq_skew":2.754104,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":5,"cause_descr":"Cannot support autotune","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986594,"usec":56031},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933262,"noise_level":-18.070642,"freq_skew":4.967323,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OPB","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"WT02NS","msg_num":"S12","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986594,"usec":56031},"freq":136975000,"burst_len_octets":117,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.933262,"noise_level":-18.070642,"freq_skew":4.967323,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"15101505","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,87,84,0,52,131,69,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986594,"usec":868830},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.497191,"noise_level":-18.009304,"freq_skew":5.163321,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986603,"usec":999952},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.560022,"noise_level":-18.192547,"freq_skew":1.869904,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986604,"usec":794203},"freq":136975000,"burst_len_octets":93,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663908,"noise_level":-18.104294,"freq_skew":0.524608,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N620UP","mode":"2","label":"H1","blk_id":"0","ack":"!","flight":"UP0003","msg_num":"D50","msg_num_seq":"A","sublabel":"DF","msg_text":"*POS\r\n09092043N5045E00740072306021438P0070563"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986606,"usec":293203},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794409,"noise_level":-17.876862,"freq_skew":0.573428,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986610,"usec":879872},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.452232,"noise_level":-18.665161,"freq_skew":0.436921,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":101,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986623,"usec":892120},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.676949,"noise_level":-19.590235,"freq_skew":5.584139,"avlc":{"src":{"addr":"45AA53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":721,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":628,"credit":3,"rseq":7,"variable_part_params":[{"name":"atn_checksum","value":[86,177,85,25]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986625,"usec":405646},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.080206,"noise_level":-20.051060,"freq_skew":1.539265,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986628,"usec":438030},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.669468,"noise_level":-20.295658,"freq_skew":1.582354,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986628,"usec":440106},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966384,"noise_level":-21.285715,"freq_skew":1.994889,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":15,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":6,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986630,"usec":19270},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.805165,"noise_level":-21.190983,"freq_skew":-0.916143,"avlc":{"src":{"addr":"896312","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986633,"usec":53323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.767081,"noise_level":-22.007601,"freq_skew":2.121847,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986633,"usec":67098},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.752728,"noise_level":-22.579185,"freq_skew":1.568230,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986634,"usec":613360},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.881990,"noise_level":-22.190580,"freq_skew":3.269187,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986646,"usec":818931},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.466434,"noise_level":-19.602928,"freq_skew":0.721007,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986646,"usec":822937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.467173,"noise_level":-19.578072,"freq_skew":3.761286,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986646,"usec":823081},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329293,"noise_level":-19.578072,"freq_skew":1.573777,"avlc":{"src":{"addr":"4B18F1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JLP","mode":"2","label":"_d","blk_id":"5","ack":"C","flight":"WK031U","msg_num":"S10","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986647,"usec":579440},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.534593,"noise_level":-19.397919,"freq_skew":6.161918,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSGG"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":6.600000},"alt":35000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986649,"usec":914057},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498866,"noise_level":-18.697540,"freq_skew":5.045860,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986656,"usec":771779},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.127365,"noise_level":-18.448469,"freq_skew":3.004295,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986658,"usec":285875},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.029953,"noise_level":-19.803732,"freq_skew":2.210740,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N612UP","mode":"2","label":"_d","blk_id":"4","ack":"V","flight":"UP0020","msg_num":"S17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986661,"usec":329026},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.103086,"noise_level":-19.079039,"freq_skew":6.347503,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986665,"usec":189755},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.645383,"noise_level":-19.518053,"freq_skew":2.101919,"avlc":{"src":{"addr":"A7F7FC","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD8","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986672,"usec":801805},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163577,"noise_level":-20.164665,"freq_skew":5.546371,"avlc":{"src":{"addr":"45AA53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986675,"usec":905812},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.127939,"noise_level":-20.043335,"freq_skew":6.156322,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":167,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33393,"credit":4,"rseq":12,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":11,"acked_subseq":0,"acked_credit":11}},{"name":"atn_checksum","value":[141,139,69,69]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986676,"usec":663354},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836581,"noise_level":-20.814898,"freq_skew":5.272566,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986677,"usec":409670},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.902999,"noise_level":-20.654205,"freq_skew":0.832424,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"22746757","facilities":[{"name":"max_pkt_size","value":{"from_calling_dte":1024,"from_called_dte":1024}},{"name":"window_size","value":{"from_calling_dte":4,"from_called_dte":4}},{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,83,88,83,0,75,205,239,0,1,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986677,"usec":433500},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.025025,"noise_level":-21.009430,"freq_skew":4.970848,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986678,"usec":943771},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.603638,"noise_level":-20.618353,"freq_skew":1.048301,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986684,"usec":300987},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.878925,"noise_level":-19.999958,"freq_skew":4.876677,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986685,"usec":100317},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736216,"noise_level":-20.443239,"freq_skew":-0.422071,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"FAOR"},{"name":"ac_location","value":{"loc":{"lat":48.700001,"lon":8.400001},"alt":19000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986685,"usec":802858},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.640299,"noise_level":-20.307198,"freq_skew":0.534647,"avlc":{"src":{"addr":"3C6448","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986685,"usec":803154},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.152015,"noise_level":-20.387913,"freq_skew":5.649837,"avlc":{"src":{"addr":"45AA53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B0CB7","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EKBI"},{"name":"ac_location","value":{"loc":{"lat":46.600002,"lon":11.400001},"alt":38000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986687,"usec":318864},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.987937,"noise_level":-20.854790,"freq_skew":5.734806,"avlc":{"src":{"addr":"45AA53","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[32,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986688,"usec":78277},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.794212,"noise_level":-21.669220,"freq_skew":5.002774,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[65,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986688,"usec":82179},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.150723,"noise_level":-22.559721,"freq_skew":3.965502,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986688,"usec":840939},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653229,"noise_level":-22.261660,"freq_skew":5.096056,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986690,"usec":414739},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093150,"noise_level":-22.649178,"freq_skew":4.417778,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986691,"usec":174439},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.086416,"noise_level":-22.601410,"freq_skew":-0.175278,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986691,"usec":182176},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973057,"noise_level":-22.519762,"freq_skew":4.969260,"avlc":{"src":{"addr":"4B1939","type":"Aircraft","status":"Airborne"},"dst":{"addr":"26D477","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986702,"usec":651095},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999096,"noise_level":-23.154917,"freq_skew":4.131138,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":432,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986708,"usec":731689},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605984,"noise_level":-22.273926,"freq_skew":2.980572,"avlc":{"src":{"addr":"4520EA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986711,"usec":826952},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.609005,"noise_level":-21.467836,"freq_skew":2.348602,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":792,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986716,"usec":406809},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248838,"noise_level":-22.247719,"freq_skew":2.982592,"avlc":{"src":{"addr":"3C66AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986717,"usec":926732},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.535421,"noise_level":-22.026459,"freq_skew":0.668452,"avlc":{"src":{"addr":"3C675A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":103,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":34781,"credit":2,"rseq":1,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":2}},{"name":"atn_checksum","value":[4,98,82,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986727,"usec":95294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.568160,"noise_level":-24.178316,"freq_skew":6.174135,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986737,"usec":809827},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695299,"noise_level":-23.210867,"freq_skew":3.619546,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986740,"usec":105520},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.265866,"noise_level":-22.831469,"freq_skew":-0.178821,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986750,"usec":820456},"freq":136975000,"burst_len_octets":86,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.821771,"noise_level":-21.687414,"freq_skew":-0.447633,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYA","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"LHH572","msg_num":"D37","msg_num_seq":"P","sublabel":"DF","msg_text":"KK5KKM0MJJHEEMM*K0FF:44II82288V3HBB,KG"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986752,"usec":363748},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363498,"noise_level":-21.666651,"freq_skew":-0.284368,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986754,"usec":625200},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320754,"noise_level":-21.697741,"freq_skew":0.585267,"avlc":{"src":{"addr":"A8180D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986764,"usec":576658},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.276951,"noise_level":-22.574598,"freq_skew":5.084544,"avlc":{"src":{"addr":"4B18F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":9.600000},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986772,"usec":214838},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.856749,"noise_level":-22.928635,"freq_skew":2.385958,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986772,"usec":217276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.074845,"noise_level":-22.916471,"freq_skew":6.426861,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986772,"usec":974968},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.162785,"noise_level":-22.676773,"freq_skew":5.232044,"avlc":{"src":{"addr":"4B18F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"LSZH"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":9.600000},"alt":15000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986773,"usec":762599},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775197,"noise_level":-22.320370,"freq_skew":5.002558,"avlc":{"src":{"addr":"4B18F4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986776,"usec":812170},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756891,"noise_level":-21.405846,"freq_skew":4.025480,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986785,"usec":228927},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.528753,"noise_level":-18.819565,"freq_skew":3.060744,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABNT","mode":"2","label":"1L","blk_id":"0","ack":"!","flight":"LH07ZP","msg_num":"M29","msg_num_seq":"A","msg_text":"00111234216)N7UU34T4*-- SQ)Y(S42,A"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986792,"usec":89590},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.160881,"noise_level":-18.093100,"freq_skew":3.859564,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986807,"usec":366430},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.543769,"noise_level":-18.708803,"freq_skew":-0.460795,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986808,"usec":125162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617755,"noise_level":-19.332632,"freq_skew":-0.364178,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYA","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"LH0572","msg_num":"S99","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986809,"usec":650826},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.882892,"noise_level":-20.143318,"freq_skew":1.605501,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986814,"usec":260662},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.579122,"noise_level":-19.538521,"freq_skew":4.363585,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986816,"usec":550576},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.634407,"noise_level":-20.600889,"freq_skew":3.766581,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3728,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36845,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[237,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":8,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":46,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986817,"usec":349382},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903379,"noise_level":-21.157875,"freq_skew":6.215065,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986818,"usec":110396},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791817,"noise_level":-20.944809,"freq_skew":3.771764,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986818,"usec":120692},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.701958,"noise_level":-21.306913,"freq_skew":4.122711,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986819,"usec":639453},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.769349,"noise_level":-20.930393,"freq_skew":4.021371,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986821,"usec":139416},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684781,"noise_level":-20.459959,"freq_skew":4.300786,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986824,"usec":170514},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.038515,"noise_level":-20.461962,"freq_skew":0.912237,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986824,"usec":170514},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-5.038515,"noise_level":-20.461962,"freq_skew":0.912237,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":230,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36910,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[52,192,177,138]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986826,"usec":523104},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035883,"noise_level":-20.793186,"freq_skew":4.753676,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986838,"usec":737325},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.013476,"noise_level":-18.238777,"freq_skew":5.224082,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986840,"usec":272848},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748537,"noise_level":-19.935848,"freq_skew":3.788037,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3731,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25665,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[38,5]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986847,"usec":928110},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.448750,"noise_level":-20.170887,"freq_skew":4.335475,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNY","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"BA543Q","msg_num":"S69","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986852,"usec":501883},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.525895,"noise_level":-21.167469,"freq_skew":3.009463,"avlc":{"src":{"addr":"3C55C2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986876,"usec":214303},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935286,"noise_level":-18.672735,"freq_skew":5.252652,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":88,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986878,"usec":522605},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.051200,"noise_level":-18.570602,"freq_skew":4.963776,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986879,"usec":298148},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385382,"noise_level":-18.345146,"freq_skew":6.402647,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986881,"usec":545021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.356157,"noise_level":-18.800306,"freq_skew":4.109289,"avlc":{"src":{"addr":"3C5EED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986885,"usec":380434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.320249,"noise_level":-19.232479,"freq_skew":6.198851,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986886,"usec":141151},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934202,"noise_level":-19.795811,"freq_skew":6.358934,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986886,"usec":894698},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835476,"noise_level":-19.745054,"freq_skew":3.882551,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3732,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36845,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[134,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986886,"usec":897752},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.804595,"noise_level":-20.062731,"freq_skew":3.680184,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3733,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36845,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[125,173]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":10,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":48,"sec":4}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986888,"usec":436021},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.718792,"noise_level":-21.839540,"freq_skew":3.505648,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986889,"usec":187847},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.719599,"noise_level":-22.307055,"freq_skew":0.818499,"avlc":{"src":{"addr":"4BCDEF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SOO","mode":"2","label":"_d","blk_id":"7","ack":"O","flight":"XQ02QA","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986891,"usec":523882},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.681601,"noise_level":-23.714012,"freq_skew":2.399163,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986892,"usec":259298},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.805984,"noise_level":-24.536009,"freq_skew":4.148885,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986893,"usec":19206},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331585,"noise_level":-25.274439,"freq_skew":4.307837,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986898,"usec":379210},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.724245,"noise_level":-23.946703,"freq_skew":4.275289,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986898,"usec":389860},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798324,"noise_level":-24.506351,"freq_skew":4.054649,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":14,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986899,"usec":908423},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.849363,"noise_level":-23.900490,"freq_skew":4.138182,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986899,"usec":920071},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.370121,"noise_level":-24.718288,"freq_skew":4.369222,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986899,"usec":921366},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.674910,"noise_level":-24.703348,"freq_skew":3.873725,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":2,"unknown_proto":{"data":[97,129,161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986900,"usec":689124},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759899,"noise_level":-24.309376,"freq_skew":3.738592,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986906,"usec":21257},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.465172,"noise_level":-22.335888,"freq_skew":3.846876,"avlc":{"src":{"addr":"48C22C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986919,"usec":32631},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.306935,"noise_level":-23.093336,"freq_skew":2.522943,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986931,"usec":244914},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.649149,"noise_level":-21.539297,"freq_skew":2.398849,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFE","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"LH8264","msg_num":"S06","msg_num_seq":"A","msg_text":"0E22048372S","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":20,"min":48,"sec":37}},"links_avail":[{"code":"2","descr":"VDL2"},{"code":"S","descr":"Default SATCOM"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986932,"usec":789164},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.352488,"noise_level":-21.432535,"freq_skew":6.402266,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986933,"usec":566575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687706,"noise_level":-22.754650,"freq_skew":6.280585,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986937,"usec":360518},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.740171,"noise_level":-22.603186,"freq_skew":5.645892,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5970,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986939,"usec":688502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754389,"noise_level":-21.865612,"freq_skew":4.256867,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986955,"usec":707060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244577,"noise_level":-22.560204,"freq_skew":4.039899,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986956,"usec":462577},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741715,"noise_level":-23.369770,"freq_skew":3.422901,"avlc":{"src":{"addr":"3C6917","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986958,"usec":1483},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.585503,"noise_level":-22.610189,"freq_skew":4.145723,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986959,"usec":558506},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.472227,"noise_level":-22.220226,"freq_skew":4.092206,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986961,"usec":93512},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736120,"noise_level":-22.067036,"freq_skew":6.365562,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986964,"usec":882536},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.317928,"noise_level":-20.893723,"freq_skew":4.086821,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":786,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986968,"usec":709677},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.622128,"noise_level":-19.892561,"freq_skew":4.111989,"avlc":{"src":{"addr":"4D21F7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986977,"usec":877889},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413134,"noise_level":-19.726828,"freq_skew":6.163877,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":71,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":634,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8231,"credit":4,"rseq":9,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[74,110,53,129]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986983,"usec":228546},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.904988,"noise_level":-20.104959,"freq_skew":5.194875,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986989,"usec":357595},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.052928,"noise_level":-21.553490,"freq_skew":2.448391,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986991,"usec":635673},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.492108,"noise_level":-22.530697,"freq_skew":4.075660,"avlc":{"src":{"addr":"3009B2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":591,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13040,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[62,200]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788986993,"usec":952359},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.362685,"noise_level":-22.494230,"freq_skew":5.241958,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987000,"usec":79644},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.050821,"noise_level":-21.925312,"freq_skew":3.506575,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ET-AYB","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"ET0735","msg_num":"S73","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987000,"usec":79644},"freq":136975000,"burst_len_octets":116,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":1,"sig_level":-5.050821,"noise_level":-21.925312,"freq_skew":3.506575,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"01000627","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,84,72,0,4,1,151,0,0,65,67,82,48,48,49,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987000,"usec":834661},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.133838,"noise_level":-21.658419,"freq_skew":3.704726,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987001,"usec":589133},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.360401,"noise_level":-21.553915,"freq_skew":3.621022,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987001,"usec":595636},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.910322,"noise_level":-21.888599,"freq_skew":5.164855,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OJX","mode":"2","label":"_d","blk_id":"1","ack":"I","flight":"WTBCS4","msg_num":"S29","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987002,"usec":345730},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.439213,"noise_level":-21.824064,"freq_skew":5.064751,"avlc":{"src":{"addr":"4D20FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"219DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987003,"usec":863015},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.329986,"noise_level":-21.448925,"freq_skew":6.130960,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987005,"usec":389201},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430033,"noise_level":-20.764214,"freq_skew":2.174209,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":2,"retry":0}},{"name":"dst_airport","value":"SBKP"},{"name":"ac_location","value":{"loc":{"lat":49.700001,"lon":8.400001},"alt":6000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987006,"usec":949604},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.615708,"noise_level":-21.484440,"freq_skew":2.380775,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"17070305","facilities":[{"name":"fast_select","value":true},{"name":"max_pkt_size","value":{"from_calling_dte":128,"from_called_dte":128}},{"name":"window_size","value":{"from_calling_dte":7,"from_called_dte":7}},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":18,"compression_algos":["LREF"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,71,69,67,0,60,112,197,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987009,"usec":237525},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154520,"noise_level":-20.963934,"freq_skew":3.737969,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":1115,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":675,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[214,224,126,191]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987012,"usec":273888},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.848455,"noise_level":-20.026436,"freq_skew":2.638407,"avlc":{"src":{"addr":"3C55C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":793,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987012,"usec":291484},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027722,"noise_level":-20.626154,"freq_skew":2.236900,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987016,"usec":109475},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197803,"noise_level":-22.282234,"freq_skew":3.846423,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":1116,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987018,"usec":402289},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.635039,"noise_level":-22.268719,"freq_skew":3.932808,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987023,"usec":755219},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653780,"noise_level":-24.855686,"freq_skew":2.872653,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987024,"usec":529223},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.346402,"noise_level":-24.918495,"freq_skew":5.244987,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987026,"usec":43603},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197947,"noise_level":-24.115204,"freq_skew":3.503586,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55647,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[83,140,125,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987029,"usec":120276},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.911008,"noise_level":-23.942879,"freq_skew":5.158093,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987029,"usec":132632},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.886498,"noise_level":-23.740120,"freq_skew":5.472476,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987030,"usec":624673},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.176699,"noise_level":-23.348274,"freq_skew":3.896197,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":123,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55647,"credit":2,"rseq":3,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[83,140,125,60]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987030,"usec":632106},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.169121,"noise_level":-23.108944,"freq_skew":5.344663,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":2,"unknown_proto":{"data":[97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987036,"usec":7849},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.728764,"noise_level":-23.869400,"freq_skew":6.160893,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":638,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21649,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[232,115,237,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987037,"usec":512522},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.204132,"noise_level":-23.305016,"freq_skew":5.210667,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987045,"usec":151933},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920815,"noise_level":-21.395161,"freq_skew":4.172174,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXL","mode":"2","label":"_d","blk_id":"2","ack":"M","flight":"KL1682","msg_num":"M41","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987045,"usec":903039},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197836,"noise_level":-22.064926,"freq_skew":3.562618,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":125,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55647,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[23,199,143,212]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55647,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[70,62,102,166]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":50,"sec":43}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987046,"usec":711383},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.354795,"noise_level":-21.881878,"freq_skew":4.393201,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":48.900002,"lon":9.300000},"alt":40000}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987048,"usec":231399},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.734640,"noise_level":-21.429985,"freq_skew":3.771077,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987050,"usec":518021},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.832325,"noise_level":-21.338121,"freq_skew":3.847224,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987052,"usec":785988},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.581550,"noise_level":-20.865509,"freq_skew":4.217025,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2D4918","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987055,"usec":133230},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950178,"noise_level":-20.265774,"freq_skew":4.302438,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"225677","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987055,"usec":899046},"freq":136975000,"burst_len_octets":160,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.246410,"noise_level":-19.992485,"freq_skew":1.293245,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N853GT","mode":"2","label":"10","blk_id":"2","ack":"!","flight":"5Y8414","msg_num":"M93","msg_num_seq":"A","msg_text":"3J01 DEPMSG 8414/09 EHBK/RKSI .N853GT\r\n/POS N50422E005548/FOB 0950\r\nTOF/ 0953\r\nSOB/ 004\r\nEXTRA FUEL UPLIFT CAUSE - "}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987058,"usec":152410},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.454860,"noise_level":-19.527821,"freq_skew":1.204935,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987061,"usec":234206},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.149603,"noise_level":-18.607613,"freq_skew":3.720828,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":130,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[213,32,31,144]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":679,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[127,134,38,162]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":1,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":50,"sec":58}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987061,"usec":234978},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.134396,"noise_level":-18.585442,"freq_skew":5.457798,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987074,"usec":995741},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.392060,"noise_level":-21.109406,"freq_skew":6.131009,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987079,"usec":559390},"freq":136975000,"burst_len_octets":100,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.527896,"noise_level":-22.375324,"freq_skew":4.350695,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXL","mode":"2","label":"H1","blk_id":"5","ack":"!","flight":"KL1682","msg_num":"C79","msg_num_seq":"A","sublabel":"CF","msg_text":"MM205103090911848.95639/9.297476\r\n20485706 144218\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987081,"usec":873640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.538179,"noise_level":-22.687172,"freq_skew":4.105651,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987084,"usec":170128},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.436303,"noise_level":-22.359686,"freq_skew":6.382188,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987088,"usec":760963},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.099884,"noise_level":-23.109612,"freq_skew":5.152036,"avlc":{"src":{"addr":"406A95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987089,"usec":515155},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.950537,"noise_level":-22.840471,"freq_skew":6.300806,"avlc":{"src":{"addr":"4B1A34","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":644,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21649,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[177,39,237,44]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987090,"usec":270616},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.984289,"noise_level":-22.509567,"freq_skew":3.731966,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987091,"usec":787973},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.234389,"noise_level":-22.765717,"freq_skew":3.720060,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987101,"usec":776690},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.889893,"noise_level":-20.659557,"freq_skew":4.833608,"avlc":{"src":{"addr":"406A95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987103,"usec":302322},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313904,"noise_level":-20.114727,"freq_skew":4.263969,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[107,213]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987107,"usec":875114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.154349,"noise_level":-19.495790,"freq_skew":-0.156937,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987112,"usec":455589},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460194,"noise_level":-20.212479,"freq_skew":2.897456,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987114,"usec":774892},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870784,"noise_level":-19.528074,"freq_skew":1.297356,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":105,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":32,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987115,"usec":521898},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.097685,"noise_level":-19.381660,"freq_skew":1.043974,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987117,"usec":797604},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.453629,"noise_level":-18.863541,"freq_skew":3.861918,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987120,"usec":118202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.949994,"noise_level":-20.392534,"freq_skew":2.336574,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987122,"usec":398453},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.348674,"noise_level":-22.059647,"freq_skew":5.250281,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987123,"usec":917089},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924796,"noise_level":-21.594427,"freq_skew":1.021848,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N853GT","mode":"2","label":"_d","blk_id":"4","ack":"L","flight":"5Y8414","msg_num":"S11","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987126,"usec":193423},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862961,"noise_level":-20.825865,"freq_skew":5.341587,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987129,"usec":276720},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.442334,"noise_level":-22.735249,"freq_skew":2.142390,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFE","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"LH8264","msg_num":"S08","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987129,"usec":279219},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.519566,"noise_level":-23.654337,"freq_skew":3.769243,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":21,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13065,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[86,127,136,208]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":52,"sec":7}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987129,"usec":308336},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.686137,"noise_level":-24.214035,"freq_skew":2.338345,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987130,"usec":817008},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485213,"noise_level":-24.033035,"freq_skew":2.224059,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987132,"usec":338509},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.058763,"noise_level":-24.815868,"freq_skew":3.968052,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987132,"usec":344118},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.822665,"noise_level":-25.099020,"freq_skew":3.708519,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987133,"usec":846539},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.017234,"noise_level":-24.568727,"freq_skew":4.016122,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987137,"usec":673797},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061063,"noise_level":-23.800476,"freq_skew":1.343278,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987143,"usec":799657},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800939,"noise_level":-22.009993,"freq_skew":2.975833,"avlc":{"src":{"addr":"3C5822","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":2},{"name":"xid_sequencing","value":{"seq":0,"retry":0}},{"name":"lcr_cause","value":{"cause_code":5,"cause_descr":"Cannot support autotune","delay":0}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987155,"usec":308685},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921941,"noise_level":-18.326923,"freq_skew":4.189163,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987158,"usec":333976},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.775573,"noise_level":-18.033407,"freq_skew":4.280348,"avlc":{"src":{"addr":"4BCDA9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987159,"usec":89133},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.660292,"noise_level":-18.273199,"freq_skew":4.141454,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":461,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33487,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[191,22,63,138]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33487,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[88,94,21,23]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":52,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987163,"usec":693028},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.748497,"noise_level":-18.270275,"freq_skew":4.196972,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987165,"usec":195650},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.713646,"noise_level":-17.860168,"freq_skew":4.101821,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":462,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33487,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[103,95,89,128]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":52,"sec":43}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987166,"usec":708324},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.815900,"noise_level":-18.055599,"freq_skew":4.243507,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":463,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33487,"credit":3,"rseq":6,"variable_part_params":[{"name":"atn_checksum","value":[106,175,163,223]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987166,"usec":708324},"freq":136975000,"burst_len_octets":79,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.815900,"noise_level":-18.055599,"freq_skew":4.243507,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33487,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[94,80,248,228]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987167,"usec":471074},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.972480,"noise_level":-17.788925,"freq_skew":4.179109,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":466,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":68,"dst_ref":33487,"variable_part_params":[{"name":"atn_checksum","value":[160,164,13,174]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987173,"usec":606307},"freq":136975000,"burst_len_octets":150,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.170146,"noise_level":-19.369652,"freq_skew":4.782644,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-WNA","mode":"2","label":"H1","blk_id":"2","ack":"!","flight":"W69203","msg_num":"D25","msg_num_seq":"B","sublabel":"DF","msg_text":",XXXXX/Z1XXXX,XXX,XXX,XXXX,XXX,XXX,XXXXX/1FXXXXX,XXXXX,XXXXX,XXXXX,XXX/1GXXXXX,XXXXX,XXXXX,XXXXX,XXX/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987174,"usec":360186},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814920,"noise_level":-19.075794,"freq_skew":4.196114,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8289,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[197,124,153,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987184,"usec":332484},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.202007,"noise_level":-21.777189,"freq_skew":4.187418,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987185,"usec":95936},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.605932,"noise_level":-21.667654,"freq_skew":4.139533,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33,65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987185,"usec":870299},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.962363,"noise_level":-21.276655,"freq_skew":4.561168,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987189,"usec":691880},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743875,"noise_level":-23.417204,"freq_skew":4.729713,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987197,"usec":318229},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.233485,"noise_level":-21.800037,"freq_skew":4.322923,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[107,213]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987197,"usec":320120},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885732,"noise_level":-22.767044,"freq_skew":1.306500,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987200,"usec":385644},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.942145,"noise_level":-23.248367,"freq_skew":4.703125,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"298DD7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987203,"usec":446383},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.219856,"noise_level":-23.446209,"freq_skew":4.767070,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987205,"usec":736796},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814804,"noise_level":-23.277838,"freq_skew":5.238925,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OJX","mode":"2","label":"H1","blk_id":"6","ack":"!","flight":"CA4301","msg_num":"D92","msg_num_seq":"E","sublabel":"DF","msg_text":";0;0;0;\r\nL24;0;0;0;0;0;\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987206,"usec":506135},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885373,"noise_level":-23.361700,"freq_skew":4.684164,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987210,"usec":324000},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.196919,"noise_level":-22.693586,"freq_skew":5.061562,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987212,"usec":597210},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.771472,"noise_level":-22.823463,"freq_skew":3.675866,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":32,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33526,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[13,226,145,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987214,"usec":140876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705577,"noise_level":-22.298630,"freq_skew":3.773308,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987216,"usec":469980},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.487908,"noise_level":-21.499084,"freq_skew":4.472353,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987218,"usec":724971},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.607549,"noise_level":-20.700813,"freq_skew":4.092783,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12979,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[228,162]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":53,"sec":36}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987221,"usec":776941},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749008,"noise_level":-20.668472,"freq_skew":4.319344,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987222,"usec":567677},"freq":136975000,"burst_len_octets":51,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.685998,"noise_level":-20.559593,"freq_skew":3.780315,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":34,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33526,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[106,178,230,239]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":53,"sec":41}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987222,"usec":573292},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.746557,"noise_level":-22.026115,"freq_skew":4.149339,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":445,"cotp":{"pdu_list":[{"err":false,"tpdu_code":208,"tpdu_code_descr":"Connect Confirm","extended":false,"src_ref":16,"dst_ref":33529,"credit":1,"proto_class":4,"options":0,"use_extended_pdu_formats":false,"variable_part_params":[{"name":"calling_transport_selector","value":[101,109]},{"name":"called_responding_transport_selector","value":[2,2]},{"name":"tpdu_size","value":1024},{"name":"checksum","value":[114,152]},{"name":"additional_options","value":[0]},{"name":"ack_time_ms","value":1000},{"name":"priority","value":3},{"name":"inactivity_timer_ms","value":360000}]}],"x225_spdu":{"spdu_id":240,"spdu_type":"Short Accept","x227_apdu":{"acse_apdu":{"choice":"aare","data":{"assoc_response":{"app_ctx_name":[1,3,27,3,1],"assoc_result":{"value":0,"value_descr":"accept"}}}},"cpdlc":{}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987223,"usec":337385},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741166,"noise_level":-21.713730,"freq_skew":3.678235,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987224,"usec":846726},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.430032,"noise_level":-21.791046,"freq_skew":4.330547,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987227,"usec":117934},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278726,"noise_level":-20.966740,"freq_skew":3.554180,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987228,"usec":635184},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.547502,"noise_level":-22.441130,"freq_skew":3.524641,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987230,"usec":222045},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814016,"noise_level":-22.150276,"freq_skew":3.748358,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":35,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33526,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[128,130,140,140]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987236,"usec":346094},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.140340,"noise_level":-21.291973,"freq_skew":1.089758,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".N853GT","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"5Y8414","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987246,"usec":241386},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.687987,"noise_level":-21.085299,"freq_skew":4.029056,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"XID_CMD_LCR","type_descr":"Link Connection Refused","vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"lcr_cause","value":{"cause_code":127,"cause_descr":"Other unspecified local reason","delay":0}},{"name":"conn_mgmt","value":2}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987247,"usec":756670},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.091430,"noise_level":-21.161324,"freq_skew":5.415998,"avlc":{"src":{"addr":"4CA56C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987248,"usec":548697},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061470,"noise_level":-21.909771,"freq_skew":5.192710,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987260,"usec":8715},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.699406,"noise_level":-20.591850,"freq_skew":4.259422,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":447,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":12979,"sseq":4,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[72,22]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":4,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":54,"sec":17}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987260,"usec":24039},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.545683,"noise_level":-20.453480,"freq_skew":-0.449038,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987261,"usec":544646},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862026,"noise_level":-20.120813,"freq_skew":4.068995,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987292,"usec":149620},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.747725,"noise_level":-18.797737,"freq_skew":4.927794,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OPB","mode":"2","label":"H1","blk_id":"8","ack":"!","flight":"WT02NS","msg_num":"D00","msg_num_seq":"D","sublabel":"DF","msg_text":",22222222222111/:"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987302,"usec":43939},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.377538,"noise_level":-20.149776,"freq_skew":3.502256,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":32.000000,"flags":246,"pdu_id":132,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":679,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[213,32,31,144]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987302,"usec":49233},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.209713,"noise_level":-20.035648,"freq_skew":3.950553,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":470,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987302,"usec":803296},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-4.765898,"noise_level":-20.588848,"freq_skew":1.535786,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987303,"usec":613883},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.201934,"noise_level":-21.492619,"freq_skew":1.456005,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987307,"usec":418127},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667974,"noise_level":-20.272514,"freq_skew":3.934217,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987308,"usec":168725},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.167234,"noise_level":-20.878515,"freq_skew":3.902581,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987308,"usec":961070},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.828372,"noise_level":-21.176247,"freq_skew":5.197352,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987312,"usec":16101},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.057495,"noise_level":-21.338675,"freq_skew":4.970558,"avlc":{"src":{"addr":"348345","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987315,"usec":64636},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.061268,"noise_level":-20.495901,"freq_skew":3.990270,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10956A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987321,"usec":939713},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.020807,"noise_level":-19.878321,"freq_skew":5.497486,"avlc":{"src":{"addr":"4AB824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8616,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13036,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[168,41]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":55,"sec":19}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987324,"usec":253060},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563184,"noise_level":-19.266554,"freq_skew":2.868209,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987324,"usec":281801},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.840331,"noise_level":-19.092686,"freq_skew":3.968465,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987333,"usec":415473},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.908839,"noise_level":-18.406094,"freq_skew":2.773673,"avlc":{"src":{"addr":"3C49D4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987336,"usec":476810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.080554,"noise_level":-19.147984,"freq_skew":5.195706,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987338,"usec":780733},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.635723,"noise_level":-18.725340,"freq_skew":5.326116,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987338,"usec":793739},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512799,"noise_level":-19.105818,"freq_skew":5.297022,"avlc":{"src":{"addr":"4AB824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13036,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[237,193]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987341,"usec":837641},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.791145,"noise_level":-21.028223,"freq_skew":5.210853,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987342,"usec":595189},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.955420,"noise_level":-21.803585,"freq_skew":5.068072,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,76,173,228,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987344,"usec":136430},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.458407,"noise_level":-22.613102,"freq_skew":4.881418,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":383,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987344,"usec":907751},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481075,"noise_level":-22.859686,"freq_skew":5.067356,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987346,"usec":408685},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.991154,"noise_level":-23.020990,"freq_skew":4.970486,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987346,"usec":409630},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.547194,"noise_level":-22.971933,"freq_skew":1.891606,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":699,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":4,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987347,"usec":924984},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413987,"noise_level":-22.576511,"freq_skew":4.991336,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMB","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR6276","msg_num":"S76","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987347,"usec":926582},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.192484,"noise_level":-22.506680,"freq_skew":3.403619,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987348,"usec":698434},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195434,"noise_level":-22.334518,"freq_skew":1.581012,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987350,"usec":214946},"freq":136975000,"burst_len_octets":57,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.934544,"noise_level":-21.816170,"freq_skew":4.883867,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EMB","mode":"2","label":"8F","blk_id":"6","ack":"!","flight":"FR6277","msg_num":"M64","msg_num_seq":"A","msg_text":"195244,O,EDFH"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987351,"usec":23558},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.008773,"noise_level":-21.916931,"freq_skew":7.008560,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6238,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":6,"ack":2,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987351,"usec":789837},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604896,"noise_level":-21.597931,"freq_skew":3.878735,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":451,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[232,247]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987352,"usec":552883},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832132,"noise_level":-22.374798,"freq_skew":4.939221,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987354,"usec":816865},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.944830,"noise_level":-22.361858,"freq_skew":5.037058,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987354,"usec":833946},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.702862,"noise_level":-23.039122,"freq_skew":5.053003,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":255,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987355,"usec":573344},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836308,"noise_level":-22.976435,"freq_skew":3.711392,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987355,"usec":580872},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094459,"noise_level":-23.717049,"freq_skew":5.274019,"avlc":{"src":{"addr":"4CADE4","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987360,"usec":932526},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.913645,"noise_level":-22.270264,"freq_skew":3.957742,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987362,"usec":445812},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.531145,"noise_level":-22.294571,"freq_skew":1.468001,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987364,"usec":768097},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825054,"noise_level":-22.171261,"freq_skew":4.896545,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987365,"usec":526579},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.270595,"noise_level":-21.886023,"freq_skew":4.319118,"avlc":{"src":{"addr":"4D225F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1097BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987367,"usec":59234},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.665345,"noise_level":-21.633017,"freq_skew":1.588264,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":7}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987367,"usec":808522},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.911216,"noise_level":-21.385006,"freq_skew":1.953130,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":1}},{"name":"dst_airport","value":"SBKP"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":7.600000},"alt":18000}},{"name":"alternate_ground_stations","value":["10910A","10930A","1092FA","109CEA","10956A","10943A","1098FA","10931A"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987369,"usec":337521},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.574525,"noise_level":-23.350584,"freq_skew":1.541760,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":117,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":13079,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[2,110,72,151]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":56,"sec":6}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987370,"usec":116094},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.351470,"noise_level":-23.777950,"freq_skew":1.814335,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987370,"usec":919375},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.126166,"noise_level":-24.260406,"freq_skew":1.693094,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":3}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987372,"usec":417910},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.331509,"noise_level":-23.804466,"freq_skew":4.869843,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987372,"usec":420956},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.798310,"noise_level":-24.824806,"freq_skew":3.480914,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987373,"usec":179955},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.413851,"noise_level":-25.078915,"freq_skew":1.618329,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":1,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":119,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13079,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[184,170,211,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987374,"usec":697865},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.311632,"noise_level":-24.712254,"freq_skew":4.863733,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987375,"usec":445671},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.522390,"noise_level":-24.501112,"freq_skew":3.795343,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987377,"usec":776492},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.667595,"noise_level":-25.096624,"freq_skew":4.921271,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":7,"unknown_proto":{"data":[1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987379,"usec":312503},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.303000,"noise_level":-25.881863,"freq_skew":3.791387,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987381,"usec":593491},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.617723,"noise_level":-25.986179,"freq_skew":3.288350,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987382,"usec":342458},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.758483,"noise_level":-26.194176,"freq_skew":4.952846,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987382,"usec":356654},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.541982,"noise_level":-26.383734,"freq_skew":5.080564,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4803,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":2,"credit_offered":5,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987383,"usec":115732},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611164,"noise_level":-26.277775,"freq_skew":1.936070,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFE","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH8264","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987383,"usec":898844},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900282,"noise_level":-25.961510,"freq_skew":1.573718,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987384,"usec":671751},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.546545,"noise_level":-25.426212,"freq_skew":4.927564,"avlc":{"src":{"addr":"4CA84A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987387,"usec":693368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920601,"noise_level":-24.682667,"freq_skew":4.670843,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987387,"usec":711024},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.409696,"noise_level":-25.119360,"freq_skew":2.028819,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ALFE","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LH8264","msg_num":"S09","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987388,"usec":467265},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.884411,"noise_level":-25.161404,"freq_skew":2.086853,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987389,"usec":249810},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.498477,"noise_level":-25.197046,"freq_skew":3.333491,"avlc":{"src":{"addr":"3C64A2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987395,"usec":333076},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.093266,"noise_level":-23.519201,"freq_skew":4.472389,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LKY","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"EC79JH","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987395,"usec":335345},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.522985,"noise_level":-23.493193,"freq_skew":4.546413,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10924A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":11,"pkt_type_name":"Call Request","chan_group":11,"chan_num":255,"calling_addr":"21006061","facilities":[{"name":"fast_select","value":true},{"name":"called_addr_extension","value":[140,88,65,65,2,0,147]}],"compression_options":19,"compression_algos":["LREF","LREF-CAN"],"esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":30,"net":[71,0,39,65,69,74,85,0,68,12,49,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987402,"usec":245611},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.163372,"noise_level":-20.786819,"freq_skew":5.547789,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987406,"usec":62409},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781778,"noise_level":-20.643097,"freq_skew":4.738407,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987409,"usec":874450},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.822307,"noise_level":-20.297043,"freq_skew":3.545117,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"DISC","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987415,"usec":226635},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.741358,"noise_level":-20.811207,"freq_skew":5.191135,"avlc":{"src":{"addr":"4AB824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987416,"usec":5139},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.966686,"noise_level":-20.401430,"freq_skew":5.402692,"avlc":{"src":{"addr":"4AB824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-NAD","mode":"2","label":"_d","blk_id":"3","ack":"M","flight":"D83733","msg_num":"S62","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987422,"usec":100097},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.274416,"noise_level":-19.869152,"freq_skew":3.663445,"avlc":{"src":{"addr":"040197","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987422,"usec":100287},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.451131,"noise_level":-20.219858,"freq_skew":3.652904,"avlc":{"src":{"addr":"4080E3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[64,97]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987423,"usec":634313},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.180864,"noise_level":-20.255260,"freq_skew":5.279701,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987424,"usec":384383},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633906,"noise_level":-20.336149,"freq_skew":5.417532,"avlc":{"src":{"addr":"4AB824","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213239","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987426,"usec":731355},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.973794,"noise_level":-20.873657,"freq_skew":4.470817,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987429,"usec":744987},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897866,"noise_level":-20.084568,"freq_skew":1.761942,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987429,"usec":749556},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.498263,"noise_level":-20.673159,"freq_skew":5.478925,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":20.000000,"flags":254,"pdu_id":341,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13086,"credit":1,"rseq":0,"variable_part_params":[{"name":"atn_checksum","value":[153,168,131,29]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987431,"usec":294399},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915221,"noise_level":-21.004019,"freq_skew":1.840981,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987434,"usec":347597},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.602026,"noise_level":-22.845861,"freq_skew":5.573269,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987443,"usec":502269},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.620857,"noise_level":-22.135487,"freq_skew":1.683936,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":6}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987445,"usec":39460},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.725155,"noise_level":-21.993507,"freq_skew":1.515597,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987449,"usec":644526},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513443,"noise_level":-22.676489,"freq_skew":1.544054,"avlc":{"src":{"addr":"ABB325","type":"Aircraft","status":"On ground"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987452,"usec":700868},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.262896,"noise_level":-23.247379,"freq_skew":-0.258460,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ABYA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"LH0572","msg_num":"S01","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987457,"usec":279091},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.428051,"noise_level":-21.709726,"freq_skew":5.368787,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":5,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":254,"pdu_id":345,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987460,"usec":369283},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.118798,"noise_level":-20.599348,"freq_skew":-0.297892,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987467,"usec":220800},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.618210,"noise_level":-18.768478,"freq_skew":-0.352114,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987477,"usec":920186},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.540373,"noise_level":-20.368980,"freq_skew":4.622329,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987483,"usec":262286},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.540966,"noise_level":-18.896931,"freq_skew":4.513178,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-ANMW","mode":"2","label":"_d","blk_id":"7","ack":"L","flight":"DE04HM","msg_num":"S94","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987486,"usec":345359},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.450874,"noise_level":-20.129463,"freq_skew":4.398889,"avlc":{"src":{"addr":"45212D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":2}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987491,"usec":678280},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.048498,"noise_level":-20.038671,"freq_skew":5.192833,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987493,"usec":254740},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.429745,"noise_level":-20.870586,"freq_skew":5.238639,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987494,"usec":779965},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187345,"noise_level":-20.467222,"freq_skew":5.058155,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SP-RSI","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR34AP","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987503,"usec":155447},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.075383,"noise_level":-18.254065,"freq_skew":5.394675,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4840,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987513,"usec":888809},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945565,"noise_level":-17.866964,"freq_skew":5.457954,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987516,"usec":169715},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.382705,"noise_level":-18.151154,"freq_skew":4.526510,"avlc":{"src":{"addr":"440C31","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987524,"usec":553575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880867,"noise_level":-17.428337,"freq_skew":4.742909,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987534,"usec":519294},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220105,"noise_level":-16.787893,"freq_skew":4.499096,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987544,"usec":437271},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.706218,"noise_level":-16.927956,"freq_skew":1.891294,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":701,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13098,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[23,188]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":1}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987551,"usec":333741},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736282,"noise_level":-20.192404,"freq_skew":-0.317579,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":706,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987553,"usec":645726},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.220238,"noise_level":-19.616898,"freq_skew":1.945986,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":704,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":8,"dst_ref":13098,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[220,236]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987556,"usec":673573},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208550,"noise_level":-19.011036,"freq_skew":1.966778,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987557,"usec":434268},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736093,"noise_level":-19.982927,"freq_skew":-0.274492,"avlc":{"src":{"addr":"3C4B21","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987571,"usec":193415},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.535420,"noise_level":-18.518665,"freq_skew":3.520893,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":459,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[120,188]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987573,"usec":469114},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.215630,"noise_level":-19.302572,"freq_skew":5.199334,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987575,"usec":43070},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652882,"noise_level":-18.918417,"freq_skew":4.652250,"avlc":{"src":{"addr":"3C79B7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234838","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987586,"usec":467536},"freq":136975000,"burst_len_octets":99,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.177016,"noise_level":-19.545734,"freq_skew":1.922410,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":1}},{"name":"dst_airport","value":"SBKP"},{"name":"ac_location","value":{"loc":{"lat":49.799999,"lon":6.900000},"alt":24000}},{"name":"alternate_ground_stations","value":["10910A","10934A","10981A","10956A","10930A","10980A","10943A","1098FA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987594,"usec":927143},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.583539,"noise_level":-18.086432,"freq_skew":5.611650,"avlc":{"src":{"addr":"4D2527","type":"Aircraft","status":"Airborne"},"dst":{"addr":"234837","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987595,"usec":698157},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672101,"noise_level":-20.214462,"freq_skew":1.896574,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":709,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33550,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[88,226]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987597,"usec":199105},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655986,"noise_level":-20.552824,"freq_skew":2.057894,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":710,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33550,"sseq":1,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[109,69]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":1,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":20,"min":59,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987597,"usec":984484},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.945813,"noise_level":-20.876902,"freq_skew":1.881950,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987602,"usec":554217},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.471684,"noise_level":-20.039129,"freq_skew":1.937880,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987604,"usec":839006},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.507858,"noise_level":-20.479393,"freq_skew":4.301732,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDE"},{"name":"ac_location","value":{"loc":{"lat":50.400002,"lon":12.300000},"alt":17000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987606,"usec":352690},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653805,"noise_level":-20.886782,"freq_skew":4.308002,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987606,"usec":352690},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.653805,"noise_level":-20.886782,"freq_skew":4.308002,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-FHZ","mode":"2","label":"SA","blk_id":"1","ack":"!","flight":"FH1203","msg_num":"S31","msg_num_seq":"A","msg_text":"0EV210004V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":21,"min":0,"sec":4}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987607,"usec":158034},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.557665,"noise_level":-21.149406,"freq_skew":3.214528,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987607,"usec":915814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.831010,"noise_level":-20.914646,"freq_skew":4.304195,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987608,"usec":676060},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800918,"noise_level":-20.629848,"freq_skew":3.347586,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987610,"usec":209942},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.960875,"noise_level":-22.060020,"freq_skew":2.079391,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987610,"usec":981950},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959898,"noise_level":-22.448700,"freq_skew":1.925812,"avlc":{"src":{"addr":"3C70C5","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987611,"usec":724706},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924493,"noise_level":-22.221403,"freq_skew":3.373786,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987614,"usec":806897},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.825961,"noise_level":-21.126764,"freq_skew":4.467669,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987619,"usec":381344},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.813567,"noise_level":-19.639801,"freq_skew":4.426433,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6157,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33519,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[233,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987619,"usec":381617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.586483,"noise_level":-19.639801,"freq_skew":4.147000,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987628,"usec":582162},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.946872,"noise_level":-18.752647,"freq_skew":5.784494,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCK","mode":"2","label":"Q0","blk_id":"8","ack":"!","flight":"FR70XA","msg_num":"S07","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987633,"usec":881775},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.970917,"noise_level":-20.674042,"freq_skew":4.013014,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987633,"usec":892893},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.789738,"noise_level":-21.326694,"freq_skew":5.069638,"avlc":{"src":{"addr":"3C48A9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10953A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987644,"usec":614667},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427032,"noise_level":-20.014801,"freq_skew":3.206837,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":475,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8289,"credit":2,"rseq":2,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}},{"name":"atn_checksum","value":[217,168,251,147]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987650,"usec":743487},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.763945,"noise_level":-19.095428,"freq_skew":4.189882,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987652,"usec":245542},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.999982,"noise_level":-18.780310,"freq_skew":4.157969,"avlc":{"src":{"addr":"424C9D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987654,"usec":573974},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.696198,"noise_level":-18.189472,"freq_skew":4.567757,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987668,"usec":299815},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.008836,"noise_level":-18.093569,"freq_skew":5.611885,"avlc":{"src":{"addr":"3C618B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987669,"usec":868248},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.937128,"noise_level":-18.577940,"freq_skew":5.837725,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987670,"usec":606576},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.868107,"noise_level":-18.651903,"freq_skew":5.297599,"avlc":{"src":{"addr":"3C618B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987677,"usec":481388},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.100097,"noise_level":-19.881538,"freq_skew":3.235939,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987679,"usec":783437},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705715,"noise_level":-20.280239,"freq_skew":2.686839,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH09HC","msg_num":"S36","msg_num_seq":"A","msg_text":"0EV210118V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":21,"min":1,"sec":18}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987682,"usec":842840},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.988396,"noise_level":-20.249771,"freq_skew":2.848823,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH09HC","msg_num":"S36","msg_num_seq":"A","msg_text":"0EV210118V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":21,"min":1,"sec":18}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987685,"usec":892949},"freq":136975000,"burst_len_octets":54,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.587444,"noise_level":-20.355520,"freq_skew":2.661242,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AIZW","mode":"2","label":"SA","blk_id":"4","ack":"!","flight":"LH09HC","msg_num":"S36","msg_num_seq":"A","msg_text":"0EV210118V","media-adv":{"err":false,"version":0,"current_link":{"code":"V","descr":"VHF ACARS","established":true,"time":{"hour":21,"min":1,"sec":18}},"links_avail":[{"code":"V","descr":"VHF ACARS"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987686,"usec":657181},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.992876,"noise_level":-20.088207,"freq_skew":2.745379,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987696,"usec":624485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187658,"noise_level":-19.470116,"freq_skew":4.617522,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987698,"usec":118927},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807956,"noise_level":-19.188704,"freq_skew":4.784591,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987705,"usec":13081},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.563918,"noise_level":-18.036463,"freq_skew":5.779423,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6146,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36882,"credit":4,"rseq":12,"variable_part_params":[{"name":"checksum","value":[195,91]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987711,"usec":888903},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.597315,"noise_level":-17.769728,"freq_skew":6.250506,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR001B","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987713,"usec":404069},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633384,"noise_level":-17.855768,"freq_skew":6.378601,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR001B","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987714,"usec":188118},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880055,"noise_level":-18.250883,"freq_skew":4.315424,"avlc":{"src":{"addr":"471F3E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2754B7","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987719,"usec":529034},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424578,"noise_level":-20.103233,"freq_skew":4.579770,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6159,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33519,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[172,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987720,"usec":272726},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692325,"noise_level":-20.815418,"freq_skew":5.547582,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6149,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25705,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[52,21]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":1,"sec":58}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987720,"usec":274561},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.684150,"noise_level":-20.748886,"freq_skew":3.210710,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987721,"usec":42955},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299607,"noise_level":-20.414551,"freq_skew":5.832932,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987725,"usec":638552},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.827711,"noise_level":-19.734726,"freq_skew":5.841200,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6152,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25705,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[78,177]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987727,"usec":909378},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.770986,"noise_level":-19.235443,"freq_skew":5.690315,"avlc":{"src":{"addr":"4D2251","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987728,"usec":698818},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.883524,"noise_level":-20.444523,"freq_skew":5.104768,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OJX","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"WTBCS4","msg_num":"S31","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987730,"usec":240327},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.226359,"noise_level":-20.762077,"freq_skew":3.144510,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987730,"usec":251831},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.401658,"noise_level":-20.667765,"freq_skew":3.053677,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987730,"usec":270924},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.900207,"noise_level":-21.190750,"freq_skew":6.057301,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1557,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":11,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[112,134]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":11,"msg_ref":11,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":1,"sec":26}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987734,"usec":49558},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.318851,"noise_level":-20.678673,"freq_skew":5.989890,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987736,"usec":358074},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.929423,"noise_level":-20.555899,"freq_skew":5.207503,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987747,"usec":815832},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738891,"noise_level":-18.228786,"freq_skew":1.719904,"avlc":{"src":{"addr":"406890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987763,"usec":150153},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.992923,"noise_level":-16.345695,"freq_skew":5.029204,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7575,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[242,87]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987771,"usec":534559},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.247810,"noise_level":-16.403048,"freq_skew":3.141129,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":464,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[120,188]},{"name":"flow_control","value":{"acked_tpdu_nr":8,"acked_subseq":0,"acked_credit":3}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987772,"usec":311877},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.016616,"noise_level":-16.427662,"freq_skew":5.216759,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4843,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33473,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[147,71]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987790,"usec":674706},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.705559,"noise_level":-16.132000,"freq_skew":6.222294,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1559,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25677,"credit":4,"rseq":13,"variable_part_params":[{"name":"checksum","value":[160,110]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987791,"usec":422984},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657387,"noise_level":-16.657881,"freq_skew":6.017037,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,43]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987800,"usec":584093},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.957462,"noise_level":-17.047483,"freq_skew":6.021257,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1560,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":12,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[221,43]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":12,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":8}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987800,"usec":603476},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.512476,"noise_level":-16.949116,"freq_skew":6.195272,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987802,"usec":121156},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.189801,"noise_level":-16.809179,"freq_skew":5.063434,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4844,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33473,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[204,184]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987802,"usec":922617},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855951,"noise_level":-17.402189,"freq_skew":2.955127,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987803,"usec":661763},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.371042,"noise_level":-18.138590,"freq_skew":5.143330,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":4846,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987805,"usec":183700},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.844474,"noise_level":-17.687798,"freq_skew":6.186125,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,94]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987806,"usec":727994},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104096,"noise_level":-18.494682,"freq_skew":5.690474,"avlc":{"src":{"addr":"3C618B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987808,"usec":997772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.914652,"noise_level":-19.321230,"freq_skew":2.880232,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987809,"usec":741512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168189,"noise_level":-19.778139,"freq_skew":5.218875,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QAA","mode":"2","label":"Q0","blk_id":"1","ack":"!","flight":"FR07FD","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987811,"usec":289693},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250132,"noise_level":-19.787777,"freq_skew":5.142415,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D4A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4845,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33473,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[190,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":21}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987811,"usec":294877},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716589,"noise_level":-20.666220,"freq_skew":5.220575,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987813,"usec":577274},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.426656,"noise_level":-20.112186,"freq_skew":5.112068,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987813,"usec":583948},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.797625,"noise_level":-20.059549,"freq_skew":6.184792,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,94]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987814,"usec":332768},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.114753,"noise_level":-21.216732,"freq_skew":5.007112,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987815,"usec":891115},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772787,"noise_level":-20.830418,"freq_skew":6.079546,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1563,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,94]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987815,"usec":906066},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.595747,"noise_level":-21.119663,"freq_skew":4.875368,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987815,"usec":915321},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.997563,"noise_level":-22.313606,"freq_skew":6.396041,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090DA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1564,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":25,"dst_ref":25677,"variable_part_params":[{"name":"checksum","value":[102,63]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987816,"usec":667147},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.449208,"noise_level":-22.100830,"freq_skew":5.285735,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987817,"usec":431650},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.875690,"noise_level":-21.807156,"freq_skew":5.003367,"avlc":{"src":{"addr":"4D21E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":70,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":4849,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33473,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[200,187]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987818,"usec":956030},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.903486,"noise_level":-21.178102,"freq_skew":6.186002,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":1561,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25677,"sseq":13,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[22,94]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":13,"msg_ref":13,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":15}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987821,"usec":211509},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.599526,"noise_level":-21.104910,"freq_skew":5.239833,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7579,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36931,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[246,79]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":3,"sec":39}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987821,"usec":994368},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.419316,"noise_level":-20.959095,"freq_skew":5.053949,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987821,"usec":996258},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.496273,"noise_level":-20.939716,"freq_skew":4.670992,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6160,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33519,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[172,0]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987825,"usec":809061},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.204346,"noise_level":-19.773157,"freq_skew":5.070681,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7580,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[244,2]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987827,"usec":324696},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.562314,"noise_level":-19.424828,"freq_skew":2.970560,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":465,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":1,"rseq":0,"variable_part_params":[{"name":"checksum","value":[134,37]},{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987835,"usec":755581},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.200660,"noise_level":-19.173977,"freq_skew":5.020311,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987838,"usec":52723},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161679,"noise_level":-19.459089,"freq_skew":5.450502,"avlc":{"src":{"addr":"3C618B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987846,"usec":447826},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.122314,"noise_level":-18.871052,"freq_skew":6.420070,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987847,"usec":969857},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.352226,"noise_level":-20.411171,"freq_skew":5.178503,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[193]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987860,"usec":223550},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.749652,"noise_level":-21.533436,"freq_skew":2.743335,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987875,"usec":494511},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.726187,"noise_level":-17.738605,"freq_skew":2.753991,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F69B","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987881,"usec":630343},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513277,"noise_level":-17.109409,"freq_skew":2.835923,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".PH-NXL","mode":"2","label":"_d","blk_id":"9","ack":"O","flight":"KL1682","msg_num":"M46","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987893,"usec":102401},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.604425,"noise_level":-19.183708,"freq_skew":5.223955,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_LE","type_descr":"Link Establishment","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"modulation_support","value":["VDL-M2, D8PSK, 31500 bps"]},{"name":"dst_airport","value":"EDDN"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":11.300000},"alt":1000}},{"name":"alternate_ground_stations","value":["109CBA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":0}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987895,"usec":378803},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.672117,"noise_level":-19.468300,"freq_skew":4.643555,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":6162,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33519,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[141,4]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":5,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":4,"sec":53}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987895,"usec":383317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494442,"noise_level":-19.435678,"freq_skew":5.302388,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987896,"usec":893218},"freq":136975000,"burst_len_octets":55,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.653473,"noise_level":-19.653164,"freq_skew":5.327283,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SMS","mode":"2","label":"SA","blk_id":"7","ack":"!","flight":"XQ06SF","msg_num":"S67","msg_num_seq":"A","msg_text":"0E22104542/","media-adv":{"err":false,"version":0,"current_link":{"code":"2","descr":"VDL2","established":true,"time":{"hour":21,"min":4,"sec":54}},"links_avail":[{"code":"2","descr":"VDL2"}]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987896,"usec":907121},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897238,"noise_level":-19.545336,"freq_skew":4.707757,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987903,"usec":12940},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956307,"noise_level":-19.915895,"freq_skew":4.668211,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987903,"usec":18168},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.638732,"noise_level":-20.358179,"freq_skew":2.933640,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":467,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":12979,"credit":4,"rseq":10,"variable_part_params":[{"name":"checksum","value":[217,4]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987906,"usec":101485},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.756472,"noise_level":-22.294073,"freq_skew":2.718476,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987906,"usec":850854},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.785023,"noise_level":-21.972080,"freq_skew":2.952598,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987914,"usec":482504},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.773567,"noise_level":-20.025980,"freq_skew":5.838739,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.200001,"lon":11.000000},"alt":21000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987914,"usec":497512},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.024596,"noise_level":-20.448063,"freq_skew":5.822182,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-SWC","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"4X03BW","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987915,"usec":239462},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.409805,"noise_level":-20.988657,"freq_skew":5.569757,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987916,"usec":778389},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633854,"noise_level":-21.755068,"freq_skew":5.684252,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987919,"usec":108424},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.527928,"noise_level":-21.720184,"freq_skew":4.986005,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987920,"usec":599895},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.836049,"noise_level":-21.418423,"freq_skew":2.755219,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":471,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33529,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[158,50]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":5,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987922,"usec":897521},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.532218,"noise_level":-22.546129,"freq_skew":3.213134,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987923,"usec":654448},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692422,"noise_level":-22.662151,"freq_skew":1.675421,"avlc":{"src":{"addr":"406890","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090CA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987924,"usec":412338},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683454,"noise_level":-22.712357,"freq_skew":6.308353,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987926,"usec":718954},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.482474,"noise_level":-21.951416,"freq_skew":2.854253,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":5,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":472,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":15,"dst_ref":12979,"variable_part_params":[{"name":"checksum","value":[135,243]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987926,"usec":722758},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.743272,"noise_level":-21.908028,"freq_skew":4.933475,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":43,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13115,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[105,42,113,99]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987928,"usec":236476},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835394,"noise_level":-22.077290,"freq_skew":3.000449,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":473,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[202,135]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987928,"usec":238920},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921394,"noise_level":-22.011341,"freq_skew":4.123161,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":224,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987929,"usec":778377},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.171053,"noise_level":-21.388226,"freq_skew":4.559406,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":607,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":4,"ack":2,"credit_offered":3,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,69,90,89,0,64,127,101],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987930,"usec":519522},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.933935,"noise_level":-21.327290,"freq_skew":3.197048,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987930,"usec":527769},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.897335,"noise_level":-21.334988,"freq_skew":5.063256,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987931,"usec":331542},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.048717,"noise_level":-21.055904,"freq_skew":4.475021,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F63A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":5,"unknown_proto":{"data":[192,225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987931,"usec":336924},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.814947,"noise_level":-21.006996,"freq_skew":4.251217,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987932,"usec":843341},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.145979,"noise_level":-21.377968,"freq_skew":4.212848,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987949,"usec":657583},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802039,"noise_level":-18.070911,"freq_skew":2.653500,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987954,"usec":996141},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.701429,"noise_level":-17.629927,"freq_skew":4.540090,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987958,"usec":90183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.016606,"noise_level":-17.791912,"freq_skew":5.137053,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987960,"usec":351159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.255233,"noise_level":-17.649652,"freq_skew":6.318232,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987966,"usec":489434},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.837873,"noise_level":-16.959402,"freq_skew":2.732468,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":477,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33529,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[147,62]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":6,"sec":4}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987968,"usec":758504},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.679537,"noise_level":-17.026478,"freq_skew":2.644698,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":478,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[183,150]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987973,"usec":365182},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.726545,"noise_level":-17.063335,"freq_skew":2.536326,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987974,"usec":877420},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683252,"noise_level":-17.912796,"freq_skew":4.934992,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987975,"usec":645096},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.479938,"noise_level":-17.683603,"freq_skew":2.631665,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":0,"unknown_proto":{"data":[33]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987977,"usec":904923},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.789793,"noise_level":-18.702785,"freq_skew":5.669631,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987984,"usec":28395},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.369396,"noise_level":-17.607462,"freq_skew":6.362284,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-DLD","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"FR001B","msg_num":"S47","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987985,"usec":596737},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.393418,"noise_level":-18.281258,"freq_skew":2.732745,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987987,"usec":115405},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.940030,"noise_level":-18.949772,"freq_skew":4.908527,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987987,"usec":874587},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.754685,"noise_level":-19.007633,"freq_skew":6.033691,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987988,"usec":625092},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.389855,"noise_level":-19.912104,"freq_skew":5.215210,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7585,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[236,8]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987990,"usec":139339},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.509006,"noise_level":-19.290028,"freq_skew":5.351497,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":180,"net":[71,0,39,65,83,88,83,0,75,205,179,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987990,"usec":915873},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.788101,"noise_level":-19.178684,"freq_skew":5.213041,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987992,"usec":462779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.954543,"noise_level":-18.830164,"freq_skew":5.188982,"avlc":{"src":{"addr":"4BCDB3","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788987999,"usec":352290},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.326071,"noise_level":-17.972980,"freq_skew":4.331334,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNX","mode":"2","label":"_d","blk_id":"6","ack":"I","flight":"QY1685","msg_num":"S39","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988002,"usec":405295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.868834,"noise_level":-17.760756,"freq_skew":4.581260,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988008,"usec":506240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.611223,"noise_level":-17.168167,"freq_skew":2.597978,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988021,"usec":523474},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.010428,"noise_level":-16.746201,"freq_skew":2.935854,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":540,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988036,"usec":25407},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.322235,"noise_level":-17.104612,"freq_skew":6.356767,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":360,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988036,"usec":30292},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.012432,"noise_level":-17.073549,"freq_skew":2.642813,"avlc":{"src":{"addr":"3C6757","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1099EA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988042,"usec":909623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.140114,"noise_level":-17.220684,"freq_skew":3.945623,"avlc":{"src":{"addr":"3C4A0C","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988050,"usec":532837},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.800542,"noise_level":-16.708023,"freq_skew":6.209816,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988053,"usec":626584},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.176062,"noise_level":-16.328827,"freq_skew":2.706462,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988058,"usec":946449},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.275730,"noise_level":-15.390770,"freq_skew":2.511878,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":31,"pkt_type_name":"Reset Confirm","chan_group":10,"chan_num":219}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988059,"usec":765890},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.156057,"noise_level":-16.040995,"freq_skew":5.295492,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988065,"usec":830602},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.100373,"noise_level":-15.872757,"freq_skew":6.383656,"avlc":{"src":{"addr":"300394","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988079,"usec":640503},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.041447,"noise_level":-16.249083,"freq_skew":5.093887,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7587,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[243,77]},{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988081,"usec":141165},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.952298,"noise_level":-16.020872,"freq_skew":1.180102,"avlc":{"src":{"addr":"511188","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDP"},{"name":"ac_location","value":{"loc":{"lat":51.100002,"lon":12.900001},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988084,"usec":939964},"freq":136975000,"burst_len_octets":106,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.645241,"noise_level":-15.781865,"freq_skew":1.174216,"avlc":{"src":{"addr":"511188","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".ES-MBE","mode":"2","label":"H1","blk_id":"1","ack":"!","flight":"DI6239","msg_num":"F18","msg_num_seq":"A","sublabel":"M1","msg_text":"PRG/TS210758,090926/DTEDDP,26L,22,223858,048/FNMBU6239EE5E"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988087,"usec":257244},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.693809,"noise_level":-15.617667,"freq_skew":1.028711,"avlc":{"src":{"addr":"511188","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988091,"usec":58878},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.039104,"noise_level":-15.633889,"freq_skew":1.027103,"avlc":{"src":{"addr":"511188","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988104,"usec":822695},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.513456,"noise_level":-16.557663,"freq_skew":3.118679,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":485,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":21661,"credit":1,"rseq":0,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":0,"acked_subseq":0,"acked_credit":10}},{"name":"atn_checksum","value":[76,1,48,143]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988105,"usec":585087},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.569648,"noise_level":-16.407034,"freq_skew":2.662850,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988112,"usec":448546},"freq":136975000,"burst_len_octets":118,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.277867,"noise_level":-15.823593,"freq_skew":4.428539,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10984A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNX","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"QY1685","msg_num":"F05","msg_num_seq":"A","sublabel":"M1","msg_text":"POSN47375E008082,,210829,380,ETAGO,211810,IBAGA,M54,22589,157,7626F90"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988120,"usec":72531},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.003862,"noise_level":-17.251183,"freq_skew":5.132544,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988120,"usec":78329},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959657,"noise_level":-17.219591,"freq_skew":3.160220,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988124,"usec":673143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.633093,"noise_level":-17.529480,"freq_skew":5.279536,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988128,"usec":531252},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.233940,"noise_level":-18.164789,"freq_skew":5.238287,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988138,"usec":442153},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.707145,"noise_level":-16.811789,"freq_skew":5.670241,"avlc":{"src":{"addr":"3C618B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10934A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988139,"usec":973251},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.189747,"noise_level":-16.429207,"freq_skew":3.058860,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988140,"usec":720439},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832897,"noise_level":-16.989143,"freq_skew":3.062978,"avlc":{"src":{"addr":"4B027F","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988146,"usec":847536},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.843003,"noise_level":-16.629654,"freq_skew":5.368876,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":49.500000,"lon":6.900000},"alt":28000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988148,"usec":408575},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494645,"noise_level":-17.260014,"freq_skew":5.320608,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988150,"usec":680309},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.743681,"noise_level":-17.689655,"freq_skew":5.326120,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988171,"usec":330189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.802063,"noise_level":-16.131199,"freq_skew":2.655624,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988174,"usec":397306},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.424834,"noise_level":-15.629077,"freq_skew":2.896238,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":480,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[122,40]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988182,"usec":44484},"freq":136975000,"burst_len_octets":74,"hdr_bits_fixed":0,"octets_corrected_by_fec":3,"idx":0,"sig_level":-5.560060,"noise_level":-16.837475,"freq_skew":5.053835,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988182,"usec":803320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.197504,"noise_level":-17.232645,"freq_skew":5.205886,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988188,"usec":169888},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.310598,"noise_level":-16.553932,"freq_skew":5.279210,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":3,"unknown_proto":{"data":[129]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988190,"usec":428870},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.697509,"noise_level":-16.621149,"freq_skew":4.461905,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-EJCF","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"U228KU","msg_num":"S71","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988191,"usec":209649},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.810550,"noise_level":-16.700344,"freq_skew":4.187033,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988194,"usec":231937},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.604492,"noise_level":-18.030630,"freq_skew":4.233570,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988201,"usec":125442},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.780098,"noise_level":-17.053024,"freq_skew":4.225973,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":5,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,69,90,89,0,64,127,101,0,0,83,65,65,66,0,0,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988203,"usec":442791},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.677145,"noise_level":-17.463562,"freq_skew":2.860089,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":481,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988204,"usec":953821},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.894852,"noise_level":-17.170200,"freq_skew":4.417346,"avlc":{"src":{"addr":"407F65","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988207,"usec":223402},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.613138,"noise_level":-16.805403,"freq_skew":2.727753,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"dst_airport","value":"EHAM"},{"name":"ac_location","value":{"loc":{"lat":51.000000,"lon":7.900000},"alt":39000}},{"name":"avlc_specific_options","value":[4]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988211,"usec":830772},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.580552,"noise_level":-16.534197,"freq_skew":1.874156,"avlc":{"src":{"addr":"452084","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988226,"usec":352914},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.350233,"noise_level":-17.635674,"freq_skew":2.930202,"avlc":{"src":{"addr":"44D1A6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109FCA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OO-TMF","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"TB07TJ","msg_num":"S96","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988230,"usec":183254},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.623836,"noise_level":-17.604004,"freq_skew":5.530549,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":49.400002,"lon":7.100000},"alt":26000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988230,"usec":949445},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.464771,"noise_level":-18.384377,"freq_skew":5.387889,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":215,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988230,"usec":971115},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.566188,"noise_level":-18.382284,"freq_skew":4.034760,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988232,"usec":471403},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.585191,"noise_level":-18.822020,"freq_skew":5.184359,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10981A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988233,"usec":232858},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.478618,"noise_level":-18.604811,"freq_skew":4.292988,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":246,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":120.000000,"flags":224,"pdu_id":55,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":2,"credit_avail":3}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988234,"usec":791783},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.275297,"noise_level":-18.271038,"freq_skew":4.522825,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA7A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988234,"usec":804933},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.637580,"noise_level":-18.922865,"freq_skew":6.970738,"avlc":{"src":{"addr":"4405B6","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988237,"usec":835099},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.759376,"noise_level":-19.065702,"freq_skew":4.015921,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988237,"usec":840048},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.736972,"noise_level":-19.050117,"freq_skew":4.162354,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988247,"usec":762149},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.941420,"noise_level":-18.956146,"freq_skew":4.111362,"avlc":{"src":{"addr":"4B991A","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":225,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988248,"usec":508998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.841551,"noise_level":-19.229879,"freq_skew":2.711381,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"29D257","type":"Ground station"},"cr":"Command","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988258,"usec":474362},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.694098,"noise_level":-18.604723,"freq_skew":5.466829,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988263,"usec":82409},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.738763,"noise_level":-18.409868,"freq_skew":2.568375,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"20B678","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988268,"usec":384629},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.862992,"noise_level":-18.325871,"freq_skew":2.699331,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":482,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[122,40]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988271,"usec":481493},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.234144,"noise_level":-17.519238,"freq_skew":5.403717,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988275,"usec":302646},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.689267,"noise_level":-17.279417,"freq_skew":5.406604,"avlc":{"src":{"addr":"4D24E7","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":690,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988289,"usec":829371},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.308173,"noise_level":-16.207605,"freq_skew":4.214319,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNX","mode":"2","label":"Q0","blk_id":"0","ack":"!","flight":"QY1685","msg_num":"S42","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988289,"usec":835090},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.922868,"noise_level":-16.782581,"freq_skew":5.523384,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBD","mode":"2","label":"16","blk_id":"2","ack":"!","flight":"FR09WD","msg_num":"M92","msg_num_seq":"A","msg_text":"211128,24268,2117, 84,N 48.976 E 8.356"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988292,"usec":98086},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.832313,"noise_level":-16.384054,"freq_skew":5.492143,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988315,"usec":26468},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.531177,"noise_level":-15.275421,"freq_skew":6.091467,"avlc":{"src":{"addr":"4CA2C1","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1098FA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":1566,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988327,"usec":263070},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.796986,"noise_level":-15.472646,"freq_skew":5.130392,"avlc":{"src":{"addr":"4B194E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".HB-JPE","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"LX039L","msg_num":"S66","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988331,"usec":101582},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.753757,"noise_level":-16.126051,"freq_skew":5.074367,"avlc":{"src":{"addr":"4D2256","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":5198,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988331,"usec":857356},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.072521,"noise_level":-16.010057,"freq_skew":5.821572,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":7,"retry":1}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":47.700001,"lon":6.200000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988332,"usec":617616},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.174515,"noise_level":-15.782616,"freq_skew":5.805584,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QCN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"FR755H","msg_num":"S14","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988334,"usec":891704},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.364287,"noise_level":-16.133471,"freq_skew":4.455734,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..ECHLN","mode":"2","label":"Q0","blk_id":"5","ack":"!","flight":"WT0000","msg_num":"M15","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988335,"usec":650130},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.427771,"noise_level":-16.388132,"freq_skew":5.718442,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988339,"usec":502517},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.657372,"noise_level":-16.439144,"freq_skew":1.667598,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPU","mode":"2","label":"Q0","blk_id":"2","ack":"!","flight":"XQ07DQ","msg_num":"S79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988341,"usec":779937},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.267314,"noise_level":-17.648451,"freq_skew":1.777382,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988347,"usec":903662},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.392402,"noise_level":-16.939491,"freq_skew":2.620332,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":219,"sseq":7,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":382,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":700,"credit":3,"rseq":5,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[40,237,31,26]},{"name":"subseq_num","value":3}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988350,"usec":208679},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.433495,"noise_level":-16.692009,"freq_skew":4.936970,"avlc":{"src":{"addr":"4B194E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":6,"unknown_proto":{"data":[225]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988350,"usec":209777},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.070254,"noise_level":-16.680147,"freq_skew":5.236454,"avlc":{"src":{"addr":"4B194E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":true,"rseq":6,"unknown_proto":{"data":[225,1]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988370,"usec":863578},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.993454,"noise_level":-16.851618,"freq_skew":2.457455,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":483,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33529,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[122,40]},{"name":"flow_control","value":{"acked_tpdu_nr":3,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988373,"usec":134335},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530507,"noise_level":-16.648514,"freq_skew":6.506349,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7592,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[232,11]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988373,"usec":881278},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.909707,"noise_level":-17.144730,"freq_skew":5.068235,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7593,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36931,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[119,233]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":12,"sec":51}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988378,"usec":505103},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078326,"noise_level":-16.532633,"freq_skew":1.735326,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988385,"usec":369202},"freq":136975000,"burst_len_octets":95,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.546895,"noise_level":-16.024704,"freq_skew":1.652377,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":5,"retry":0}},{"name":"dst_airport","value":"EDDK"},{"name":"ac_location","value":{"loc":{"lat":50.799999,"lon":9.100000},"alt":13000}},{"name":"alternate_ground_stations","value":["1092FA","109CEA","10931A","1094DA","10956A","10935A","1097BA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988386,"usec":145018},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632282,"noise_level":-17.885632,"freq_skew":2.031520,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPU","mode":"2","label":"Q0","blk_id":"3","ack":"!","flight":"XQ07DQ","msg_num":"S80","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988389,"usec":924182},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.485933,"noise_level":-18.927223,"freq_skew":4.932881,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[228,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988389,"usec":931863},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.726799,"noise_level":-18.873652,"freq_skew":0.889517,"avlc":{"src":{"addr":"406ADD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988393,"usec":18406},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.657238,"noise_level":-18.093397,"freq_skew":4.917826,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988393,"usec":766205},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.652529,"noise_level":-17.996304,"freq_skew":5.076626,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[228,14]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988394,"usec":511999},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.498691,"noise_level":-18.601490,"freq_skew":1.658521,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988396,"usec":35229},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.054302,"noise_level":-20.703697,"freq_skew":4.939799,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":4,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7597,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[217,23]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988396,"usec":58946},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.135908,"noise_level":-20.498909,"freq_skew":4.483913,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988400,"usec":651944},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.034707,"noise_level":-21.707596,"freq_skew":4.204624,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":8,"lifetime":50.000000,"flags":192,"pdu_id":3509,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":17,"dst_ref":33595,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"checksum","value":[181,169]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988401,"usec":414488},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.444524,"noise_level":-21.426716,"freq_skew":5.030692,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988402,"usec":183676},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.028876,"noise_level":-21.204378,"freq_skew":4.391496,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988413,"usec":650911},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.866835,"noise_level":-22.937277,"freq_skew":4.244195,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":2}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EBBR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988415,"usec":154022},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.187469,"noise_level":-22.498960,"freq_skew":4.620506,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..ECHLN","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"WT0000","msg_num":"M16","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988417,"usec":475172},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.168140,"noise_level":-22.314552,"freq_skew":4.527652,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988418,"usec":237749},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.087829,"noise_level":-22.013691,"freq_skew":4.391630,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":"..ECHLN","mode":"2","label":"Q0","blk_id":"7","ack":"!","flight":"WT0000","msg_num":"M17","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988418,"usec":253495},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031038,"noise_level":-21.850941,"freq_skew":4.255828,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988419,"usec":6560},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.321462,"noise_level":-21.617624,"freq_skew":4.383615,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988422,"usec":33781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.044798,"noise_level":-21.819027,"freq_skew":4.488043,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988422,"usec":49295},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-11.603723,"noise_level":-21.702013,"freq_skew":4.369730,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988423,"usec":609413},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.552301,"noise_level":-22.987617,"freq_skew":4.326801,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988425,"usec":108190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.270675,"noise_level":-22.476149,"freq_skew":4.129755,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988425,"usec":111189},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.981307,"noise_level":-23.043154,"freq_skew":5.405555,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988431,"usec":248609},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.459797,"noise_level":-21.061424,"freq_skew":4.895263,"avlc":{"src":{"addr":"4B194E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988433,"usec":510129},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011453,"noise_level":-20.914442,"freq_skew":4.390688,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":4,"unknown_proto":{"data":[161]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988433,"usec":526439},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.680909,"noise_level":-20.761395,"freq_skew":4.419707,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988435,"usec":784998},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.812618,"noise_level":-20.201447,"freq_skew":4.953197,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988437,"usec":308330},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.011803,"noise_level":-20.238388,"freq_skew":5.792123,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988454,"usec":910149},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.096820,"noise_level":-19.606892,"freq_skew":3.857820,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988461,"usec":38766},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117262,"noise_level":-18.706034,"freq_skew":4.997212,"avlc":{"src":{"addr":"4B194E","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988467,"usec":909490},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.327401,"noise_level":-17.170250,"freq_skew":2.545052,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988474,"usec":42240},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.663315,"noise_level":-18.814228,"freq_skew":4.215758,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":10,"chan_num":243,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":0,"diag_code_descr":"Cleared by system management"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988474,"usec":797153},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.195661,"noise_level":-19.036758,"freq_skew":4.269916,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988476,"usec":313159},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.278970,"noise_level":-19.008169,"freq_skew":5.285198,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988477,"usec":832518},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.959822,"noise_level":-19.336279,"freq_skew":4.398105,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988483,"usec":192576},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.149827,"noise_level":-20.147951,"freq_skew":4.563824,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":1}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EBBR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988484,"usec":707610},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.920684,"noise_level":-20.243896,"freq_skew":4.156826,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988487,"usec":786245},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.807690,"noise_level":-20.415556,"freq_skew":5.093458,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":7599,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36931,"credit":4,"rseq":9,"variable_part_params":[{"name":"checksum","value":[242,71]},{"name":"flow_control","value":{"acked_tpdu_nr":9,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988506,"usec":133608},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.066506,"noise_level":-17.090645,"freq_skew":5.757772,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8066,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8305,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[172,139]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988506,"usec":910317},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.233767,"noise_level":-18.016695,"freq_skew":2.334126,"avlc":{"src":{"addr":"486495","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988508,"usec":428245},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.111432,"noise_level":-17.995279,"freq_skew":5.647473,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988510,"usec":690784},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.299273,"noise_level":-18.567965,"freq_skew":5.535450,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988513,"usec":13662},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.588027,"noise_level":-18.839304,"freq_skew":4.131104,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988520,"usec":643968},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.124622,"noise_level":-17.776215,"freq_skew":4.182963,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988521,"usec":429709},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.763541,"noise_level":-17.557154,"freq_skew":5.373850,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988523,"usec":679498},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.252104,"noise_level":-18.393019,"freq_skew":4.246647,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":10,"chan_num":242,"rseq":1}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988526,"usec":14687},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.071035,"noise_level":-18.464621,"freq_skew":5.239811,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988527,"usec":544634},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.396549,"noise_level":-19.428671,"freq_skew":5.248666,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":216,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988528,"usec":305791},"freq":136975000,"burst_len_octets":73,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.161006,"noise_level":-19.764378,"freq_skew":4.307850,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EC-OJX","mode":"2","label":"H1","blk_id":"9","ack":"!","flight":"CA4301","msg_num":"D04","msg_num_seq":"E","sublabel":"DF","msg_text":";0;0;0;\r\nL24;0;0;0;0;0;\r\n"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988529,"usec":811202},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.460668,"noise_level":-20.363159,"freq_skew":5.239786,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988533,"usec":673524},"freq":136975000,"burst_len_octets":78,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.855433,"noise_level":-19.655392,"freq_skew":5.044095,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AGWI","mode":"2","label":"1L","blk_id":"4","ack":"!","flight":"LH07PC","msg_num":"M69","msg_num_seq":"A","msg_text":"000542342124H*IE7MPM9QQCLM)29L,,RI"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988533,"usec":674975},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.208902,"noise_level":-19.647049,"freq_skew":4.219491,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988543,"usec":579017},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.914695,"noise_level":-17.311010,"freq_skew":4.539346,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":6170,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":3,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988546,"usec":637591},"freq":136975000,"burst_len_octets":85,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.481864,"noise_level":-19.458166,"freq_skew":5.138824,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":7600,"idrp":{"err":false,"pdu_type":1,"pdu_type_name":"Open","seq":1,"ack":1,"credit_offered":5,"credit_avail":3,"hold_time":900,"max_pdu_size":3000,"src_rdi":[71,0,39,65,82,89,82,0,72,194,40],"ribatts_set":[{"name":"ribatt","value":[{"name":"security","value":{"reg_id":[6,4,43,27,0,0]}}]}],"auth_mech":1,"auth_mech_name":"simple checksum"}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988547,"usec":418669},"freq":136975000,"burst_len_octets":47,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.526575,"noise_level":-19.380262,"freq_skew":5.277245,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":4,"more":false,"reasm_status":"skipped","esis":{"err":false,"pdu_type":4,"pdu_type_name":"IS Hello","hold_time":65535,"net":[71,0,39,65,82,89,82,0,72,194,40,0,0,0,0,0,0,0,1,0]}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988548,"usec":162659},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.990763,"noise_level":-20.324638,"freq_skew":5.451654,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988551,"usec":223468},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.398229,"noise_level":-20.680616,"freq_skew":5.382089,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988552,"usec":19858},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.765356,"noise_level":-21.130610,"freq_skew":5.086542,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988552,"usec":767114},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.227772,"noise_level":-20.944637,"freq_skew":0.985753,"avlc":{"src":{"addr":"406ADD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988553,"usec":540574},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.046856,"noise_level":-20.565666,"freq_skew":4.134605,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988555,"usec":46732},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.983976,"noise_level":-20.229256,"freq_skew":4.623132,"avlc":{"src":{"addr":"4D2223","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988555,"usec":816788},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.520782,"noise_level":-20.227720,"freq_skew":0.998227,"avlc":{"src":{"addr":"406ADD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Selective Reject","pf":false,"rseq":1,"unknown_proto":{"data":[65]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988555,"usec":818482},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.334955,"noise_level":-20.209904,"freq_skew":5.302505,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988556,"usec":565107},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.494976,"noise_level":-20.954826,"freq_skew":5.346749,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988561,"usec":938361},"freq":136975000,"burst_len_octets":19,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.834602,"noise_level":-19.236332,"freq_skew":5.374461,"avlc":{"src":{"addr":"48C228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":19,"pkt_type_name":"Clear Request","chan_group":11,"chan_num":254,"clear_cause":0,"clear_cause_descr":"DTE originated","diag_code":241,"diag_code_descr":"Higher level initiated disconnect (normal)"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988579,"usec":524381},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.965359,"noise_level":-19.557194,"freq_skew":5.392747,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988581,"usec":799633},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.958104,"noise_level":-18.960888,"freq_skew":1.327603,"avlc":{"src":{"addr":"407FCA","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10931A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988586,"usec":388823},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.632607,"noise_level":-18.286339,"freq_skew":5.303243,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988586,"usec":406683},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.925304,"noise_level":-18.758646,"freq_skew":5.291673,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":61,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13115,"credit":4,"rseq":9,"variable_part_params":[{"name":"atn_checksum","value":[50,252,53,253]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988599,"usec":400134},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.026464,"noise_level":-16.732698,"freq_skew":5.758748,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":6,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8069,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8305,"credit":3,"rseq":5,"variable_part_params":[{"name":"checksum","value":[173,215]},{"name":"flow_control","value":{"acked_tpdu_nr":5,"acked_subseq":0,"acked_credit":15}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988610,"usec":95271},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.104393,"noise_level":-16.536221,"freq_skew":5.507732,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988618,"usec":464859},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.885502,"noise_level":-18.120644,"freq_skew":3.970362,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988636,"usec":851814},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.662163,"noise_level":-15.846478,"freq_skew":3.977415,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988649,"usec":79452},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.363374,"noise_level":-16.703411,"freq_skew":3.973348,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":3514,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":3,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988651,"usec":364218},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.781231,"noise_level":-16.797905,"freq_skew":3.952948,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988652,"usec":109640},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.757143,"noise_level":-17.488649,"freq_skew":4.123036,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988652,"usec":110327},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.927203,"noise_level":-17.488649,"freq_skew":1.952770,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPU","mode":"2","label":"_d","blk_id":"4","ack":"O","flight":"XQ07DQ","msg_num":"S81","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988663,"usec":590710},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.031731,"noise_level":-16.549833,"freq_skew":3.947380,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":3,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":69,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":3515,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33597,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[112,156]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988665,"usec":100768},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.641197,"noise_level":-16.557499,"freq_skew":5.450674,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":3,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":8305,"credit":3,"rseq":6,"variable_part_params":[{"name":"checksum","value":[168,142]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988666,"usec":644653},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.443298,"noise_level":-16.700493,"freq_skew":5.530964,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10957A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988667,"usec":447745},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.723001,"noise_level":-17.322643,"freq_skew":5.655878,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"dst_airport","value":"EDLV"},{"name":"ac_location","value":{"loc":{"lat":48.500000,"lon":6.100000},"alt":0}},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988668,"usec":951505},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.448846,"noise_level":-19.051510,"freq_skew":4.282867,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988670,"usec":483075},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.870877,"noise_level":-18.596394,"freq_skew":1.418502,"avlc":{"src":{"addr":"440BC8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1090BA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988678,"usec":850102},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.800874,"noise_level":-17.116497,"freq_skew":1.962996,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988680,"usec":368204},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.480056,"noise_level":-17.809174,"freq_skew":5.588775,"avlc":{"src":{"addr":"3945E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988681,"usec":177412},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.655938,"noise_level":-18.014919,"freq_skew":5.461925,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8074,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":33600,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[95,128]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":17,"sec":59}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988681,"usec":953883},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.553184,"noise_level":-17.850609,"freq_skew":2.403099,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":6,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDP"},{"name":"ac_location","value":{"loc":{"lat":51.200001,"lon":11.900001},"alt":10000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988681,"usec":964524},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.901096,"noise_level":-17.783052,"freq_skew":5.674002,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988681,"usec":964780},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.311861,"noise_level":-17.783052,"freq_skew":3.203999,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".I-JENJ","mode":"2","label":"_d","blk_id":"6","ack":"L","flight":"EN8884","msg_num":"M79","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988682,"usec":704152},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.810479,"noise_level":-17.682695,"freq_skew":5.488137,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":11,"chan_num":255,"rseq":4}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988682,"usec":717472},"freq":136975000,"burst_len_octets":33,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.695558,"noise_level":-17.596645,"freq_skew":5.472321,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":6,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8075,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":19,"dst_ref":8305,"variable_part_params":[{"name":"checksum","value":[131,72]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988683,"usec":453013},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.873027,"noise_level":-18.083023,"freq_skew":2.797372,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988702,"usec":593267},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.953834,"noise_level":-16.562855,"freq_skew":2.882182,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":715,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[29,64]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988708,"usec":723024},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-6.041149,"noise_level":-18.035519,"freq_skew":2.870574,"avlc":{"src":{"addr":"3009B8","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":67,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":574,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":715,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[29,64]},{"name":"flow_control","value":{"acked_tpdu_nr":2,"acked_subseq":0,"acked_credit":2}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988722,"usec":487316},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.956940,"noise_level":-17.256079,"freq_skew":5.145263,"avlc":{"src":{"addr":"348049","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988726,"usec":252236},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907240,"noise_level":-18.343624,"freq_skew":4.199929,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_RSP_HO","type_descr":"Handoff Response","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":5},{"name":"xid_sequencing","value":{"seq":1,"retry":0}},{"name":"avlc_specific_options","value":[36]},{"name":"dst_airport","value":"EBBR"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988727,"usec":20183},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.078154,"noise_level":-18.551090,"freq_skew":4.157332,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988729,"usec":350877},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.582572,"noise_level":-17.954529,"freq_skew":4.408419,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":0}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDP"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988734,"usec":716240},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.157060,"noise_level":-17.901814,"freq_skew":4.101255,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988736,"usec":220204},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.907308,"noise_level":-18.064699,"freq_skew":5.590326,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8078,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988736,"usec":993997},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.656766,"noise_level":-17.851845,"freq_skew":5.645391,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988740,"usec":20070},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.708139,"noise_level":-18.876465,"freq_skew":5.564837,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":8078,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":8,"ack":2,"credit_offered":5,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988749,"usec":218763},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.835835,"noise_level":-17.128523,"freq_skew":4.186625,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,136]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":7,"retry":2}},{"name":"avlc_specific_options","value":[39]},{"name":"dst_airport","value":"EDDP"}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988753,"usec":769084},"freq":136975000,"burst_len_octets":66,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.749844,"noise_level":-16.992952,"freq_skew":3.941977,"avlc":{"src":{"addr":"4CAF28","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-ILN","mode":"2","label":"B9","blk_id":"9","ack":"!","flight":"FR4772","msg_num":"M72","msg_num_seq":"A","msg_text":"/ESSA.TI2/024ESSAA05A8"}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988777,"usec":492304},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.427521,"noise_level":-17.267748,"freq_skew":2.753982,"avlc":{"src":{"addr":"511172","type":"Aircraft","status":"Airborne"},"dst":{"addr":"261557","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988785,"usec":883806},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.931916,"noise_level":-18.364101,"freq_skew":4.144959,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988787,"usec":394583},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.494800,"noise_level":-18.965643,"freq_skew":4.352587,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10FA5A","type":"Ground station"},"cr":"Response","frame_type":"U","cmd":"DM","pf":false,"unknown_proto":{}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988792,"usec":781623},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.544849,"noise_level":-18.090345,"freq_skew":4.118170,"avlc":{"src":{"addr":"3481C9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988796,"usec":613908},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.830506,"noise_level":-17.221947,"freq_skew":4.786778,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":449,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55714,"credit":2,"rseq":3,"variable_part_params":[{"name":"atn_checksum","value":[221,193,187,230]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988798,"usec":878704},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.553636,"noise_level":-16.935936,"freq_skew":4.346628,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988811,"usec":874095},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964102,"noise_level":-18.024818,"freq_skew":4.420083,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNX","mode":"2","label":"_d","blk_id":"2","ack":"L","flight":"QY1685","msg_num":"S44","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988814,"usec":152589},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.964384,"noise_level":-18.726900,"freq_skew":4.466634,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":241,"sseq":3,"rseq":7,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":91,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":13135,"credit":3,"rseq":6,"variable_part_params":[{"name":"flow_control","value":{"acked_tpdu_nr":6,"acked_subseq":0,"acked_credit":3}},{"name":"atn_checksum","value":[54,13,175,172]},{"name":"subseq_num","value":2}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988815,"usec":710242},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.117177,"noise_level":-18.353884,"freq_skew":4.328106,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988827,"usec":911748},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.346540,"noise_level":-16.726488,"freq_skew":5.077079,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":1,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":217,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988829,"usec":477080},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.315044,"noise_level":-17.059290,"freq_skew":4.902333,"avlc":{"src":{"addr":"3C5EE9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988831,"usec":3724},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.643691,"noise_level":-17.738098,"freq_skew":2.219879,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988834,"usec":811725},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.433847,"noise_level":-16.906036,"freq_skew":4.296362,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":6,"rseq":5,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":453,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":55714,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[81,97,182,214]}]},{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":55714,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[72,78,229,234]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":4,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":20,"sec":30}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988840,"usec":148927},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.449584,"noise_level":-16.936657,"freq_skew":4.449713,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":3,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":459,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":2,"credit_offered":3,"credit_avail":2}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988847,"usec":804822},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.573104,"noise_level":-18.270344,"freq_skew":4.386087,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988871,"usec":505497},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.954922,"noise_level":-15.250479,"freq_skew":4.341971,"avlc":{"src":{"addr":"4075FD","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109ACA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".G-TTNH","mode":"2","label":"_d","blk_id":"6","ack":"E","flight":"BA069V","msg_num":"S61","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988877,"usec":631499},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.035238,"noise_level":-16.184631,"freq_skew":4.354901,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988879,"usec":924876},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.921073,"noise_level":-15.745696,"freq_skew":4.233738,"avlc":{"src":{"addr":"341446","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988882,"usec":189580},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.502945,"noise_level":-16.562719,"freq_skew":5.468862,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8080,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[24,72]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988899,"usec":781267},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.564476,"noise_level":-17.592575,"freq_skew":3.013066,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"1094DA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988924,"usec":280726},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.511694,"noise_level":-15.835562,"freq_skew":2.700799,"avlc":{"src":{"addr":"3C56F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109CBA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988953,"usec":308853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.772071,"noise_level":-16.969398,"freq_skew":3.138853,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988954,"usec":812443},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.494756,"noise_level":-17.526133,"freq_skew":2.276776,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988955,"usec":579777},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.339104,"noise_level":-17.294064,"freq_skew":2.578171,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988956,"usec":319216},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.916999,"noise_level":-17.668682,"freq_skew":2.863013,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988957,"usec":883945},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-7.190047,"noise_level":-18.234346,"freq_skew":5.261976,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988957,"usec":895214},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.568999,"noise_level":-18.163752,"freq_skew":2.270045,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988965,"usec":519104},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-6.304847,"noise_level":-16.822590,"freq_skew":5.093541,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788988980,"usec":812629},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.048205,"noise_level":-15.429193,"freq_skew":1.886859,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989000,"usec":671790},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.026907,"noise_level":-18.626692,"freq_skew":2.844869,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":5,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".D-AEWM","mode":"2","label":"_d","blk_id":"3","ack":"V","flight":"LH06TF","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989011,"usec":416396},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.726702,"noise_level":-16.832909,"freq_skew":2.597650,"avlc":{"src":{"addr":"3C56F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989014,"usec":454005},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.220316,"noise_level":-17.620697,"freq_skew":3.108593,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989015,"usec":948181},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.716986,"noise_level":-17.924604,"freq_skew":2.009779,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":7,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".TC-SPU","mode":"2","label":"_d","blk_id":"7","ack":"Q","flight":"XQ07DQ","msg_num":"S83","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989023,"usec":600891},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.385890,"noise_level":-17.950687,"freq_skew":4.942306,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989023,"usec":616781},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.027486,"noise_level":-17.861956,"freq_skew":4.968731,"avlc":{"src":{"addr":"4D2507","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10930A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989024,"usec":370600},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.971344,"noise_level":-17.713829,"freq_skew":5.050199,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989028,"usec":965323},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.852021,"noise_level":-16.887491,"freq_skew":2.046464,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989028,"usec":966053},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.676121,"noise_level":-16.887491,"freq_skew":3.169472,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":6,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":64,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":474,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":7,"ack":3,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989031,"usec":284622},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.502801,"noise_level":-16.696672,"freq_skew":2.781179,"avlc":{"src":{"addr":"3C56F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989033,"usec":546987},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.883414,"noise_level":-17.076927,"freq_skew":2.851941,"avlc":{"src":{"addr":"3C56ED","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989067,"usec":944227},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-6.010047,"noise_level":-15.215523,"freq_skew":2.522341,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989101,"usec":593804},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692094,"noise_level":-15.673496,"freq_skew":4.902457,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10943A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":0,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":0,"priority":14,"lifetime":20.000000,"flags":246,"pdu_id":828,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":5,"ack":4,"credit_offered":3,"credit_avail":4}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989103,"usec":95606},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.692368,"noise_level":-16.105505,"freq_skew":5.138346,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","type_descr":"Handoff Initiation","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,164,128]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"conn_mgmt","value":1},{"name":"xid_sequencing","value":{"seq":4,"retry":0}},{"name":"avlc_specific_options","value":[37]},{"name":"dst_airport","value":"EDDS"},{"name":"ac_location","value":{"loc":{"lat":48.299999,"lon":11.200000},"alt":22000}}]}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989107,"usec":696566},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.266886,"noise_level":-17.408195,"freq_skew":5.135936,"avlc":{"src":{"addr":"4D2392","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10935A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989124,"usec":495442},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.354980,"noise_level":-15.766763,"freq_skew":5.127998,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":7,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5195,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36970,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[37,167]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989126,"usec":827320},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.880960,"noise_level":-16.270279,"freq_skew":2.188699,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989128,"usec":338696},"freq":136975000,"burst_len_octets":45,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861356,"noise_level":-16.385620,"freq_skew":3.871241,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":4,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".OE-LNX","mode":"2","label":"_d","blk_id":"5","ack":"M","flight":"QY1685","msg_num":"S45","msg_num_seq":"A","msg_text":""}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989129,"usec":849770},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.812232,"noise_level":-16.327015,"freq_skew":5.051255,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":3,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":0,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5196,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36970,"sseq":6,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[112,224]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":6,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":25,"sec":22}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989133,"usec":685315},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.238945,"noise_level":-15.778061,"freq_skew":5.088190,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":4,"sseq":1,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":1,"rseq":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5197,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":36970,"sseq":7,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[145,146]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":7,"msg_ref":7,"timestamp":{"date":{"year":2026,"month":9,"day":9},"time":{"hour":21,"min":25,"sec":31}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989135,"usec":211909},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.960344,"noise_level":-16.243626,"freq_skew":5.113679,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989135,"usec":229712},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.578917,"noise_level":-16.165073,"freq_skew":5.100525,"avlc":{"src":{"addr":"48C2AF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10F66A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":4,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":254,"sseq":2,"rseq":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5198,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":36970,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[33,170]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989143,"usec":605325},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.134518,"noise_level":-15.793863,"freq_skew":2.379751,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":5,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":1,"pkt_type_name":"Receive Ready","chan_group":10,"chan_num":218,"rseq":0}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989144,"usec":359425},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.387091,"noise_level":-15.690327,"freq_skew":2.236461,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":7,"sseq":2,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":10,"chan_num":218,"sseq":4,"rseq":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"priority":11,"lifetime":120.000000,"flags":224,"pdu_id":399,"cotp":{"pdu_list":[{"err":false,"tpdu_code":128,"tpdu_code_descr":"Disconnect Request","extended":false,"src_ref":15,"dst_ref":25773,"disc_reason_code":128,"disc_reason":"Normal disconnect","variable_part_params":[{"name":"atn_checksum","value":[218,235,242,182]}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989145,"usec":114050},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.369486,"noise_level":-16.274668,"freq_skew":2.418160,"avlc":{"src":{"addr":"489228","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109B5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989145,"usec":882533},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.143125,"noise_level":-16.223909,"freq_skew":5.911383,"avlc":{"src":{"addr":"3945E9","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109D6A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989166,"usec":576190},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.212264,"noise_level":-16.094664,"freq_skew":2.313923,"avlc":{"src":{"addr":"4BCE15","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10902A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989182,"usec":584905},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.598239,"noise_level":-15.582256,"freq_skew":5.441099,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8084,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[24,72]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989186,"usec":388708},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.577901,"noise_level":-16.600899,"freq_skew":5.388568,"avlc":{"src":{"addr":"4D2238","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10909A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":7,"poll":false,"x25":{"err":false,"pkt_type":0,"pkt_type_name":"Data","chan_group":11,"chan_num":255,"sseq":4,"rseq":4,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":8084,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":33600,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[24,72]},{"name":"flow_control","value":{"acked_tpdu_nr":1,"acked_subseq":0,"acked_credit":10}}]}]}}}}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989201,"usec":699018},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.680472,"noise_level":-15.730827,"freq_skew":2.831792,"avlc":{"src":{"addr":"3C56F2","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10910A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}} {"vdl2":{"app":{"name":"dumpvdl2","ver":"2.6.0-5843a3a"},"t":{"sec":1788989207,"usec":63192},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.281512,"noise_level":-17.200621,"freq_skew":3.667814,"avlc":{"src":{"addr":"440BCE","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C5A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}