I'm in the same boat. Here's a sample from dump978-fa (listening on localhost port 30978):

It also has a JSON format output on port 30979. Sample:

Code: Select all

```
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","capability_codes":{"es_in":true,"tcas_operational":false,"uat_in":true},"east_velocity":-80,"emergency":"none","emitter_category":"A1","geometric_altitude":1100,"ground_speed":91,"gva":2,"metadata":{"errors":4,"received_at":1562259487.217,"rssi":-8.7},"mops_version":2,"nac_p":10,"nac_v":2,"nic":9,"nic_baro":0,"nic_supplement":false,"north_velocity":44,"operational_modes":{"atc_services":false,"ident_active":false,"tcas_ra_active":false},"position":{"lat":37.52421,"lon":-121.94833},"pressure_altitude":1175,"sda":2,"sil":3,"sil_supplement":"per_hour","single_antenna":true,"transmit_mso":10,"true_track":298.8,"uplink_feedback":1,"utc_coupled":true,"vertical_velocity_geometric":-64,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","callsign":"N19CA","capability_codes":{"es_in":true,"tcas_operational":false,"uat_in":true},"east_velocity":-90,"emergency":"none","emitter_category":"A1","geometric_altitude":1150,"ground_speed":96,"gva":2,"metadata":{"errors":4,"received_at":1562259487.914,"rssi":-12.4},"mops_version":2,"nac_p":10,"nac_v":2,"nic":9,"nic_baro":0,"nic_supplement":false,"north_velocity":35,"operational_modes":{"atc_services":false,"ident_active":false,"tcas_ra_active":false},"position":{"lat":37.52466,"lon":-121.94886},"pressure_altitude":1200,"sda":2,"sil":3,"sil_supplement":"per_hour","single_antenna":true,"transmit_mso":49,"true_track":291.3,"uplink_feedback":1,"utc_coupled":true,"vertical_velocity_geometric":-320,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-85,"ground_speed":91,"metadata":{"errors":0,"received_at":1562259488.781,"rssi":-5.4},"nic":9,"north_velocity":33,"position":{"lat":37.52445,"lon":-121.94901},"pressure_altitude":1175,"true_track":291.2,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-576,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-93,"ground_speed":96,"metadata":{"errors":2,"received_at":1562259488.82,"rssi":-10.7},"nic":9,"north_velocity":27,"position":{"lat":37.52479,"lon":-121.9494},"pressure_altitude":1200,"true_track":286.2,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-384,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-87,"geometric_altitude":1075,"ground_speed":91,"metadata":{"errors":1,"received_at":1562259489.284,"rssi":-5.6},"nic":9,"north_velocity":29,"position":{"lat":37.52453,"lon":-121.94932},"pressure_altitude":1150,"true_track":288.4,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-576,"vv_src":"geometric"}
{"address":"a1978e","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-98,"geometric_altitude":1175,"ground_speed":100,"metadata":{"errors":4,"received_at":1562259489.911,"rssi":-10.3},"nic":9,"north_velocity":24,"position":{"lat":37.52513,"lon":-121.9494},"pressure_altitude":1200,"true_track":283.8,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-256,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-90,"geometric_altitude":1075,"ground_speed":91,"metadata":{"errors":3,"received_at":1562259490.252,"rssi":-9.7},"nic":9,"north_velocity":18,"position":{"lat":37.52464,"lon":-121.94983},"pressure_altitude":1150,"true_track":281.3,"uplink_feedback":1,"utc_coupled":true,"vertical_velocity_geometric":-384,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-90,"ground_speed":90,"metadata":{"errors":1,"received_at":1562259493.397,"rssi":-8.5},"nic":9,"north_velocity":-10,"position":{"lat":37.52464,"lon":-121.95142},"pressure_altitude":1125,"true_track":263.7,"uplink_feedback":7,"utc_coupled":true,"vertical_velocity_geometric":-64,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-85,"ground_speed":91,"metadata":{"errors":1,"received_at":1562259496.803,"rssi":-8.0},"nic":9,"north_velocity":-33,"position":{"lat":37.52428,"lon":-121.95324},"pressure_altitude":1150,"true_track":248.8,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-256,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-81,"ground_speed":95,"metadata":{"errors":6,"received_at":1562259497.775,"rssi":-11.1},"nic":9,"north_velocity":-51,"position":{"lat":37.52419,"lon":-121.95419},"pressure_altitude":1175,"true_track":237.8,"uplink_feedback":7,"utc_coupled":true,"vertical_velocity_geometric":64,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","callsign":"N664V","capability_codes":{"es_in":true,"tcas_operational":false,"uat_in":true},"east_velocity":-80,"emergency":"none","emitter_category":"A1","geometric_altitude":1050,"ground_speed":91,"gva":2,"metadata":{"errors":2,"received_at":1562259498.222,"rssi":-9.0},"mops_version":2,"nac_p":10,"nac_v":2,"nic":9,"nic_baro":0,"nic_supplement":false,"north_velocity":-45,"operational_modes":{"atc_services":false,"ident_active":false,"tcas_ra_active":false},"position":{"lat":37.524,"lon":-121.95391},"pressure_altitude":1125,"sda":2,"sil":3,"sil_supplement":"per_hour","single_antenna":true,"transmit_mso":34,"true_track":240.6,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":0,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-74,"ground_speed":90,"metadata":{"errors":2,"received_at":1562259499.269,"rssi":-11.9},"nic":9,"north_velocity":-52,"position":{"lat":37.52376,"lon":-121.95434},"pressure_altitude":1125,"true_track":234.9,"uplink_feedback":7,"utc_coupled":true,"vertical_velocity_geometric":0,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-71,"ground_speed":95,"metadata":{"errors":6,"received_at":1562259499.379,"rssi":-12.7},"nic":9,"north_velocity":-64,"position":{"lat":37.52376,"lon":-121.95489},"pressure_altitude":1175,"true_track":228.0,"uplink_feedback":6,"utc_coupled":true,"vertical_velocity_geometric":0,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-53,"geometric_altitude":1125,"ground_speed":96,"metadata":{"errors":2,"received_at":1562259501.968,"rssi":-9.4},"nic":9,"north_velocity":-80,"position":{"lat":37.52288,"lon":-121.95582},"pressure_altitude":1150,"true_track":213.5,"uplink_feedback":0,"utc_coupled":true,"vertical_velocity_geometric":-128,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-53,"ground_speed":88,"metadata":{"errors":3,"received_at":1562259502.216,"rssi":-11.3},"nic":9,"north_velocity":-71,"position":{"lat":37.52288,"lon":-121.95543},"pressure_altitude":1125,"true_track":216.7,"uplink_feedback":2,"utc_coupled":true,"vertical_velocity_geometric":-192,"vv_src":"geometric"}
{"address":"a16605","address_qualifier":"adsb_icao","airground_state":"airborne","east_velocity":-46,"ground_speed":95,"metadata":{"errors":6,"received_at":1562259502.792,"rssi":-11.1},"nic":9,"north_velocity":-84,"position":{"lat":37.52258,"lon":-121.95603},"pressure_altitude":1150,"true_track":208.7,"uplink_feedback":2,"utc_coupled":true,"vertical_velocity_geometric":-192,"vv_src":"geometric"}
{"address":"a8c4f0","address_qualifier":"adsb_icao","airground_state":"airborne","capability_codes":{"es_in":true,"tcas_operational":false,"uat_in":true},"east_velocity":-45,"emergency":"none","emitter_category":"A1","geometric_altitude":1050,"ground_speed":89,"gva":2,"metadata":{"errors":0,"received_at":1562259503.244,"rssi":-4.6},"mops_version":2,"nac_p":10,"nac_v":2,"nic":9,"nic_baro":0,"nic_supplement":false,"north_velocity":-77,"operational_modes":{"atc_services":false,"ident_active":false,"tcas_ra_active":false},"position":{"lat":37.52252,"lon":-121.95571},"pressure_altitude":1125,"sda":2,"sil":3,"sil_supplement":"per_hour","single_antenna":true,"transmit_mso":58,"true_track":210.3,"uplink_feedback":1,"utc_coupled":true,"vertical_velocity_geometric":-64,"vv_src":"geometric"}
```