{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724996,"usec":812120},"freq":136975000,"burst_len_octets":62,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.780982,"noise_level":-7.120409,"freq_skew":0.486471,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"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":47.000000,"flags":192,"pdu_id":15608,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":28,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[95,114]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":3,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":15}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CONTACT [unitname] [frequency]","choice":"uM117UnitNameFrequency","data":{"unit_name_frequency":{"unit_name":{"facility_designation":"LPPC","facility_name":"PORTO","facility_function":"approach"},"frequency":{"choice":"frequencyvhf","data":{"vhf":{"val":120.910000,"unit":"MHz"}}}}}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724996,"usec":814161},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":1,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.193085,"noise_level":-10.105684,"freq_skew":-2.679881,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724997,"usec":580359},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.050096,"noise_level":-15.354826,"freq_skew":0.004759,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","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":2069,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48691,"credit":2,"rseq":3,"variable_part_params":[{"name":"checksum","value":[59,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724998,"usec":335488},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.488385,"noise_level":-16.660959,"freq_skew":0.082872,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","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":2070,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48691,"sseq":2,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[105,135]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":2,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":16}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724998,"usec":337812},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.340449,"noise_level":-17.958845,"freq_skew":0.503121,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724998,"usec":340634},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.911831,"noise_level":-18.078098,"freq_skew":0.645740,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724998,"usec":340929},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.665229,"noise_level":-18.838097,"freq_skew":0.516517,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"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":47.000000,"flags":192,"pdu_id":15611,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":28,"credit":15,"rseq":3,"variable_part_params":[{"name":"checksum","value":[203,215]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724999,"usec":856292},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.063154,"noise_level":-18.805458,"freq_skew":0.240741,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755724999,"usec":862436},"freq":136975000,"burst_len_octets":56,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.248284,"noise_level":-19.476931,"freq_skew":-2.671417,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":20.000000,"flags":246,"pdu_id":223,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25270,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[187,11,47,142]}]}],"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":4,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":18}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725000,"usec":621460},"freq":136975000,"burst_len_octets":50,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.019513,"noise_level":-19.419868,"freq_skew":-2.655409,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":66,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":224,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":26894,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"atn_checksum","value":[14,226,103,58]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":18}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725000,"usec":628392},"freq":136975000,"burst_len_octets":35,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.295307,"noise_level":-19.400690,"freq_skew":-2.856244,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":20.000000,"flags":246,"pdu_id":225,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":57,"dst_ref":25270,"variable_part_params":[{"name":"atn_checksum","value":[154,142,24,86]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725001,"usec":385445},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.860383,"noise_level":-19.240047,"freq_skew":-2.821276,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725001,"usec":387489},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.007206,"noise_level":-19.224144,"freq_skew":-2.653002,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":226,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26894,"credit":2,"rseq":1,"variable_part_params":[{"name":"atn_checksum","value":[126,110,117,232]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725004,"usec":429583},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.304893,"noise_level":-19.298437,"freq_skew":0.554857,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","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":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":38.700001,"lon":-4.600000},"alt":37000}},{"name":"alternate_ground_stations","value":["109F1A","1091CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725004,"usec":438370},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.423495,"noise_level":-20.088892,"freq_skew":-0.004273,"avlc":{"src":{"addr":"39AE95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","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":0,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":66,"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":25214,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[178,244,252,151]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725005,"usec":958485},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.242077,"noise_level":-21.058395,"freq_skew":0.266044,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","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":2071,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":48691,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[186,104]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":3,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":24}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725005,"usec":959486},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.987678,"noise_level":-22.135681,"freq_skew":-0.011904,"avlc":{"src":{"addr":"39AE95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725005,"usec":964237},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.679043,"noise_level":-22.003407,"freq_skew":0.727630,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"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":47.000000,"flags":192,"pdu_id":15618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":28,"credit":15,"rseq":4,"variable_part_params":[{"name":"checksum","value":[199,218]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725005,"usec":964468},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.382288,"noise_level":-22.790447,"freq_skew":0.735349,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"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":47.000000,"flags":192,"pdu_id":15619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":28,"sseq":3,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[92,252]}]}],"cpdlc":{"atc_uplink_message":{"header":{"msg_id":4,"msg_ref":3,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":25}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"uM227NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725006,"usec":720938},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.225928,"noise_level":-22.426880,"freq_skew":0.060504,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","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":2072,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48691,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[48,168]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725007,"usec":486335},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.398430,"noise_level":-23.260496,"freq_skew":0.634151,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":6}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725008,"usec":248777},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.936522,"noise_level":-23.023544,"freq_skew":0.896194,"avlc":{"src":{"addr":"2B3197","type":"Ground station","status":"On ground"},"dst":{"addr":"2B3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0,"unknown_proto":{"data":[50,0,0,0,0,0,0,0,21,83,81,0,2,48,48,88,83,3]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725008,"usec":251772},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.357224,"noise_level":-22.937849,"freq_skew":-0.980590,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25232,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[100,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725009,"usec":6943},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.216949,"noise_level":-22.579870,"freq_skew":-1.266268,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25232,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[74,95]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725011,"usec":293109},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.094245,"noise_level":-21.847441,"freq_skew":-2.726240,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725012,"usec":812596},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.419128,"noise_level":-21.448450,"freq_skew":-1.068229,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":440,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25232,"credit":4,"rseq":11,"variable_part_params":[{"name":"checksum","value":[100,107]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725012,"usec":813999},"freq":136975000,"burst_len_octets":49,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.373143,"noise_level":-21.417717,"freq_skew":-1.049831,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":441,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25232,"sseq":9,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[74,95]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":9,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":28}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"LOGICAL ACKNOWLEDGMENT","choice":"dM100NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725013,"usec":567827},"freq":136975000,"burst_len_octets":75,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.239843,"noise_level":-22.021563,"freq_skew":0.634339,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","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":"LEMG"},{"name":"ac_location","value":{"loc":{"lat":38.700001,"lon":-4.600000},"alt":37000}},{"name":"alternate_ground_stations","value":["109F1A","1091CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725013,"usec":573338},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.040707,"noise_level":-21.910404,"freq_skew":-1.334139,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725014,"usec":336909},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.530924,"noise_level":-21.989502,"freq_skew":0.700324,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":"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":"2.3.0-1cc5ea7"},"t":{"sec":1755725014,"usec":338481},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.573393,"noise_level":-21.956799,"freq_skew":-1.180585,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":442,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":25232,"sseq":10,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[159,124]}]}],"x227_apdu":{"acse_apdu":{"choice":"rlre","data":{"release_response":{"reason":{"value":0,"value_descr":"normal"}}}},"cpdlc":{"atc_downlink_message":{"header":{"msg_id":10,"msg_ref":11,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":33}},"logical_ack":"notRequired"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"WILCO","choice":"dM0NULL","data":{}}}]}}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725015,"usec":101651},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.966564,"noise_level":-21.773767,"freq_skew":0.316106,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJI","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR12RZ","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725015,"usec":107717},"freq":136975000,"burst_len_octets":48,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.110361,"noise_level":-21.646851,"freq_skew":-1.093308,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":65,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":443,"cotp":{"pdu_list":[{"err":false,"tpdu_code":240,"tpdu_code_descr":"Data","extended":false,"dst_ref":26891,"sseq":0,"req_of_ack":0,"eot":1,"reasm_status":"skipped","variable_part_params":[{"name":"checksum","value":[96,5]}]}],"cpdlc":{"atc_downlink_message":{"header":{"msg_id":0,"timestamp":{"date":{"year":2025,"month":8,"day":20},"time":{"hour":21,"min":23,"sec":34}},"logical_ack":"required"},"msg_data":{"msg_elements":[{"msg_element":{"choice_label":"CURRENT DATA AUTHORITY","choice":"dM99NULL","data":{}}}]}}}}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725015,"usec":859906},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.619308,"noise_level":-22.156914,"freq_skew":0.559896,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725016,"usec":621649},"freq":136975000,"burst_len_octets":15,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.967264,"noise_level":-21.813107,"freq_skew":-1.067579,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":"2.3.0-1cc5ea7"},"t":{"sec":1755725016,"usec":625978},"freq":136975000,"burst_len_octets":16,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.004615,"noise_level":-21.738510,"freq_skew":-1.225255,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":"2.3.0-1cc5ea7"},"t":{"sec":1755725016,"usec":628920},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.843846,"noise_level":-21.654036,"freq_skew":0.546665,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725017,"usec":380195},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.854582,"noise_level":-21.601656,"freq_skew":-1.234255,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":"2.3.0-1cc5ea7"},"t":{"sec":1755725018,"usec":148402},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.228023,"noise_level":-21.314013,"freq_skew":-1.078619,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":192,"tpdu_code_descr":"Disconnect Confirm","extended":false,"src_ref":11,"dst_ref":25232,"variable_part_params":[{"name":"checksum","value":[25,89]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725018,"usec":148402},"freq":136975000,"burst_len_octets":63,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":1,"sig_level":-4.228023,"noise_level":-21.314013,"freq_skew":-1.078619,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":6,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":65,"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":26891,"credit":2,"rseq":1,"variable_part_params":[{"name":"checksum","value":[12,78]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725021,"usec":195538},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.210509,"noise_level":-20.152395,"freq_skew":-1.195240,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":true,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725028,"usec":821414},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.692129,"noise_level":-19.356380,"freq_skew":-1.332825,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725030,"usec":335852},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.406633,"noise_level":-19.368977,"freq_skew":0.283511,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","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":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2073,"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":"2.3.0-1cc5ea7"},"t":{"sec":1755725030,"usec":344879},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.335598,"noise_level":-20.116083,"freq_skew":0.482928,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725032,"usec":630068},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.918408,"noise_level":-20.175343,"freq_skew":0.730282,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"4CA704","type":"Aircraft"},"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":10.000000,"flags":246,"pdu_id":56940,"idrp":{"err":false,"pdu_type":4,"pdu_type_name":"Keepalive","seq":4,"ack":5,"credit_offered":4,"credit_avail":5}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725033,"usec":383711},"freq":136975000,"burst_len_octets":65,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.491278,"noise_level":-20.815083,"freq_skew":0.111277,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","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":"LPPR"},{"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":"2.3.0-1cc5ea7"},"t":{"sec":1755725033,"usec":390771},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.380405,"noise_level":-21.846420,"freq_skew":0.334582,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":0,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-EBG","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"FRRYR2","msg_num":"S15","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725033,"usec":392915},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.017194,"noise_level":-22.327503,"freq_skew":-1.112131,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":7,"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":26891,"credit":2,"rseq":2,"variable_part_params":[{"name":"checksum","value":[8,81]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725034,"usec":148872},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.870841,"noise_level":-22.192299,"freq_skew":0.187842,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109F1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725034,"usec":153343},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-5.250426,"noise_level":-23.181595,"freq_skew":-2.863680,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26894,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[211,59,167,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725034,"usec":904175},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.464600,"noise_level":-23.057203,"freq_skew":0.058508,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","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":"23123404","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":[71,0,39,65,82,89,82,0,76,167,4,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725035,"usec":674795},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.776085,"noise_level":-23.108219,"freq_skew":0.218907,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725037,"usec":199627},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.816157,"noise_level":-22.358837,"freq_skew":-2.710217,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725037,"usec":957905},"freq":136975000,"burst_len_octets":84,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.294753,"noise_level":-22.324717,"freq_skew":0.350716,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":2,"sseq":2,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".EI-IJI","mode":"2","label":"16","blk_id":"7","ack":"!","flight":"FR12RZ","msg_num":"M06","msg_num_seq":"A","msg_text":"212356,37001,2203,  98,N 38.704 W  4.617"}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725037,"usec":959856},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.924417,"noise_level":-22.268143,"freq_skew":-2.675595,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":20.000000,"flags":246,"pdu_id":228,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":26894,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[211,59,167,147]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725037,"usec":967622},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":1,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.133354,"noise_level":-22.045464,"freq_skew":-2.824481,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725039,"usec":481881},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.551231,"noise_level":-21.637482,"freq_skew":-1.509814,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","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":1,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":618,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[64,226,162,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725039,"usec":487146},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.555836,"noise_level":-22.260368,"freq_skew":0.577933,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725041,"usec":6165},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.206012,"noise_level":-21.939598,"freq_skew":-1.443938,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725046,"usec":341269},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013509,"noise_level":-20.890577,"freq_skew":1.459558,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","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":"GMTT"},{"name":"ac_location","value":{"loc":{"lat":40.100002,"lon":-2.300000},"alt":0}},{"name":"alternate_ground_stations","value":["1091CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725047,"usec":101899},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.900758,"noise_level":-20.680534,"freq_skew":1.558511,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":"23221021","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":[71,0,39,65,82,89,82,0,77,34,17,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725047,"usec":864775},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.313615,"noise_level":-20.572849,"freq_skew":1.615890,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-QBU","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR05ZB","msg_num":"S70","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725048,"usec":618105},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.581924,"noise_level":-20.380157,"freq_skew":1.297383,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725050,"usec":144332},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.438630,"noise_level":-20.604181,"freq_skew":1.571566,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725054,"usec":731565},"freq":136975000,"burst_len_octets":71,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.116728,"noise_level":-19.647820,"freq_skew":1.534159,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","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":"EGNX"},{"name":"ac_location","value":{"loc":{"lat":38.700001,"lon":-3.800000},"alt":35000}},{"name":"alternate_ground_stations","value":["1091CA"]},{"name":"avlc_specific_options","value":[36]},{"name":"conn_mgmt","value":1}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725055,"usec":486505},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.187380,"noise_level":-19.433619,"freq_skew":1.557326,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":"23222404","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":[71,0,39,65,82,89,82,0,77,37,4,0,0,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725056,"usec":239922},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.783617,"noise_level":-19.328468,"freq_skew":1.441787,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".9H-VVS","mode":"2","label":"Q0","blk_id":"6","ack":"!","flight":"FR73WB","msg_num":"S78","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725057,"usec":6599},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.382558,"noise_level":-19.259029,"freq_skew":1.434946,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725057,"usec":771820},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.667400,"noise_level":-19.007483,"freq_skew":1.645957,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725058,"usec":536696},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.152387,"noise_level":-18.846277,"freq_skew":1.867722,"avlc":{"src":{"addr":"44056B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725058,"usec":540326},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.225207,"noise_level":-19.217396,"freq_skew":1.950899,"avlc":{"src":{"addr":"44056B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25098,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[17,94,180,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725061,"usec":573371},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.013642,"noise_level":-19.646238,"freq_skew":1.955383,"avlc":{"src":{"addr":"44056B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":444,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25098,"credit":4,"rseq":13,"variable_part_params":[{"name":"atn_checksum","value":[17,94,180,72]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725064,"usec":627778},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.809839,"noise_level":-19.561028,"freq_skew":0.922238,"avlc":{"src":{"addr":"2B3197","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","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":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725065,"usec":387853},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.342730,"noise_level":-19.381227,"freq_skew":-0.163429,"avlc":{"src":{"addr":"39AE95","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725074,"usec":530143},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.999044,"noise_level":-19.014566,"freq_skew":-2.718779,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725079,"usec":103471},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.935699,"noise_level":-19.398369,"freq_skew":-0.336826,"avlc":{"src":{"addr":"781B7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10940A","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":32.000000,"flags":246,"pdu_id":197,"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":"2.3.0-1cc5ea7"},"t":{"sec":1755725080,"usec":628124},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":1,"octets_corrected_by_fec":2,"idx":0,"sig_level":-5.232843,"noise_level":-19.471323,"freq_skew":-2.686342,"avlc":{"src":{"addr":"342104","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10926A","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":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":26894,"credit":3,"rseq":4,"variable_part_params":[{"name":"atn_checksum","value":[156,167,212,46]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725085,"usec":970676},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.615392,"noise_level":-18.955214,"freq_skew":-0.093132,"avlc":{"src":{"addr":"781B7B","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10940A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725098,"usec":907738},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.249719,"noise_level":-19.046432,"freq_skew":0.025306,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","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":2074,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48691,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,251]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725100,"usec":438183},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.182497,"noise_level":-19.788034,"freq_skew":-1.563270,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":1}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725102,"usec":740351},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.917288,"noise_level":-19.360069,"freq_skew":-1.728052,"avlc":{"src":{"addr":"39D314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":4}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725104,"usec":238124},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.932131,"noise_level":-19.265545,"freq_skew":0.538118,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725107,"usec":288740},"freq":136975000,"burst_len_octets":31,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.915739,"noise_level":-19.669540,"freq_skew":0.844079,"avlc":{"src":{"addr":"2B3197","type":"Ground station","status":"On ground"},"dst":{"addr":"2B3197","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":0,"unknown_proto":{"data":[50,0,0,0,0,0,0,0,21,83,81,0,2,48,48,88,83,3]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725114,"usec":157095},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.861687,"noise_level":-18.684906,"freq_skew":-1.043343,"avlc":{"src":{"addr":"040190","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10927A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725118,"usec":716954},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.842186,"noise_level":-19.227764,"freq_skew":-1.808097,"avlc":{"src":{"addr":"39D314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725152,"usec":241775},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":2,"idx":0,"sig_level":-4.432595,"noise_level":-18.638187,"freq_skew":0.422229,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":2918,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25122,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[159,162]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725156,"usec":816913},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.340836,"noise_level":-18.493673,"freq_skew":0.648379,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":66,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":2919,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25122,"credit":3,"rseq":8,"variable_part_params":[{"name":"checksum","value":[122,24]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":10}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725159,"usec":105481},"freq":136975000,"burst_len_octets":34,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.244907,"noise_level":-19.052269,"freq_skew":-1.361295,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","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":2,"more":false,"reasm_status":"skipped","clnp":{"err":false,"compressed":true,"local_ref_a":68,"priority":11,"lifetime":20.000000,"flags":246,"pdu_id":619,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25258,"credit":2,"rseq":2,"variable_part_params":[{"name":"atn_checksum","value":[64,226,162,246]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725160,"usec":623891},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.739021,"noise_level":-18.783873,"freq_skew":-1.528154,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725169,"usec":769706},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.794527,"noise_level":-18.655966,"freq_skew":-1.979785,"avlc":{"src":{"addr":"39D314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","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":0,"priority":11,"lifetime":50.000000,"flags":192,"pdu_id":5595,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":47811,"credit":3,"rseq":7,"variable_part_params":[{"name":"checksum","value":[118,30]},{"name":"flow_control","value":{"acked_tpdu_nr":7,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725178,"usec":156099},"freq":136975000,"burst_len_octets":76,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-5.148061,"noise_level":-19.039625,"freq_skew":0.776244,"avlc":{"src":{"addr":"2B3197","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","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":"avlc_specific_options","value":[36]},{"name":"timer_t4","value":[0,2]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[83,73,84,0,0,1]},{"name":"system_mask","value":["200000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.800000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725190,"usec":342745},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.616775,"noise_level":-19.592033,"freq_skew":1.405264,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":1250,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25188,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[100,159]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725191,"usec":103746},"freq":136975000,"burst_len_octets":42,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.434283,"noise_level":-20.628475,"freq_skew":0.383352,"avlc":{"src":{"addr":"4CA704","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109AEA","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":2075,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":48691,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[43,251]},{"name":"flow_control","value":{"acked_tpdu_nr":4,"acked_subseq":0,"acked_credit":15}}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725191,"usec":859147},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.413197,"noise_level":-21.306341,"freq_skew":1.348941,"avlc":{"src":{"addr":"4D2211","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725192,"usec":619270},"freq":136975000,"burst_len_octets":32,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.787220,"noise_level":-21.087027,"freq_skew":1.474809,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","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":4590,"cotp":{"pdu_list":[{"err":false,"tpdu_code":96,"tpdu_code_descr":"Data Ack","extended":false,"dst_ref":25260,"credit":3,"rseq":4,"variable_part_params":[{"name":"checksum","value":[250,192]}]}]}}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725194,"usec":150824},"freq":136975000,"burst_len_octets":14,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.275366,"noise_level":-20.713951,"freq_skew":1.518592,"avlc":{"src":{"addr":"4D2504","type":"Aircraft","status":"Airborne"},"dst":{"addr":"109C1A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":3}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725202,"usec":533038},"freq":136975000,"burst_len_octets":53,"hdr_bits_fixed":0,"octets_corrected_by_fec":1,"idx":0,"sig_level":-4.566226,"noise_level":-19.752716,"freq_skew":0.781192,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","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":64,"priority":14,"lifetime":50.000000,"flags":192,"pdu_id":2920,"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":"2.3.0-1cc5ea7"},"t":{"sec":1755725206,"usec":336879},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.012600,"noise_level":-19.813160,"freq_skew":0.295062,"avlc":{"src":{"addr":"4CAE59","type":"Aircraft","status":"Airborne"},"dst":{"addr":"10961A","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":5}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725207,"usec":97133},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.796398,"noise_level":-19.611490,"freq_skew":0.541487,"avlc":{"src":{"addr":"109F1A","type":"Ground station","status":"On ground"},"dst":{"addr":"FFFFFF","type":"Aircraft"},"cr":"Command","frame_type":"U","cmd":"XID","pf":false,"xid":{"err":false,"type":"GSIF","type_descr":"Ground Station Information Frame","pub_params":[{"name":"param_set_id","value":"8885:1993"},{"name":"procedure_classes","value":[0,1]},{"name":"hdlc_options","value":[32,132,128]},{"name":"n1_downlink","value":[7,216]},{"name":"n1_uplink","value":[7,216]}],"vdl_params":[{"name":"param_set_id","value":"V"},{"name":"avlc_specific_options","value":[36]},{"name":"airport_coverage","value":"LEVD"},{"name":"atn_router_nets","value":[88,65,65,2,0,147]},{"name":"system_mask","value":["F00000"]},{"name":"gs_location","value":{"lat":41.700001,"lon":-4.900000}}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725214,"usec":717534},"freq":136975000,"burst_len_octets":17,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.049992,"noise_level":-18.786139,"freq_skew":-1.404217,"avlc":{"src":{"addr":"44CDCF","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","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":"2.3.0-1cc5ea7"},"t":{"sec":1755725226,"usec":910338},"freq":136975000,"burst_len_octets":59,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.625086,"noise_level":-19.088118,"freq_skew":-1.196812,"avlc":{"src":{"addr":"4ACA0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","type":"Ground station"},"cr":"Command","frame_type":"U","cmd":"XID","pf":true,"xid":{"err":false,"type":"XID_CMD_HO","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":"LEMG"}]}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725227,"usec":668574},"freq":136975000,"burst_len_octets":80,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.882818,"noise_level":-19.344299,"freq_skew":-0.932469,"avlc":{"src":{"addr":"4ACA0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","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":"22545015","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":[71,0,39,65,78,65,88,0,74,202,13,0,1,0,0,0,0,0,1,0]}}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725227,"usec":672355},"freq":136975000,"burst_len_octets":44,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-3.532566,"noise_level":-20.439184,"freq_skew":-1.178065,"avlc":{"src":{"addr":"4ACA0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","type":"Ground station"},"cr":"Command","frame_type":"I","rseq":1,"sseq":0,"poll":false,"acars":{"err":false,"crc_ok":true,"more":false,"reg":".SE-RPM","mode":"2","label":"Q0","blk_id":"4","ack":"!","flight":"D803MK","msg_num":"S54","msg_num_seq":"A","msg_text":""}}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725228,"usec":438502},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-2.756213,"noise_level":-21.477787,"freq_skew":-1.205439,"avlc":{"src":{"addr":"4ACA0D","type":"Aircraft","status":"Airborne"},"dst":{"addr":"2B2697","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":2}}}
{"vdl2":{"app":{"name":"dumpvdl2","ver":"2.3.0-1cc5ea7"},"t":{"sec":1755725229,"usec":954779},"freq":136975000,"burst_len_octets":13,"hdr_bits_fixed":0,"octets_corrected_by_fec":0,"idx":0,"sig_level":-4.683797,"noise_level":-21.055735,"freq_skew":-1.840183,"avlc":{"src":{"addr":"39D314","type":"Aircraft","status":"Airborne"},"dst":{"addr":"213C97","type":"Ground station"},"cr":"Response","frame_type":"S","cmd":"Receive Ready","pf":false,"rseq":7}}}