Lexicon Garden

at.adsb.broadcast.message

Current state of a tracked aircraft as observed by a single receiver.

Repository @adsb.at did:plc:32thk4eifx4ou6mxevswgjhg namespace authority
Details · record, key tid
Kindrecord
Record keytid
Authoritybroadcast.adsb.at
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Record

record · key tid

Properties

aircraft

ref

Strong reference to the at.adsb.aircraft.identity record for this aircraft.

Reference

callsign

string

Flight callsign as broadcast (e.g. 'UAL123').

  • maxLength: 8

icaoHex

requiredstring

ICAO 24-bit hex address (uppercased).

  • minLength: 6
  • maxLength: 6

messageCount

integer

Total messages received from this aircraft in the current tracking session.

  • minimum: 0

nic

integer

Navigation Integrity Category (0-11). Higher is more precise.

  • minimum: 0
  • maximum: 11

position

ref

Most recent position fix for this aircraft.

Reference

rc

integer

Radius of containment in metres. Derived from NIC.

  • minimum: 0

rssi

requiredstring

Received signal strength indicator in dBFS.

  • maxLength: 10

seen

requiredstring

Seconds since last message from this aircraft.

  • maxLength: 10

seenPos

string

Seconds since last position fix from this aircraft.

  • maxLength: 10

squawk

string

Transponder squawk code (e.g. '2636').

  • minLength: 4
  • maxLength: 4

Similar lexicons

semantic match

Lexicons whose schemas describe something close to this one. Check them before publishing a new one that overlaps.

  • at.adsb.flight.record

    record

    A receiver-authored record of an aircraft's transit through the receiver's coverage area. Created on departure. References all contributing batch sightings and the aircraft identity via strongRef for provenance verification.

  • at.adsb.datalink.message

    record

    A captured aircraft datalink message (ACARS, VDL2, or HFDL). These are low-volume, high-value records that represent individual communications between aircraft and ground stations.

  • at.adsb.receiver.sighting

    record

    A batch of aircraft observations from a single receiver covering a configurable time window (default 60 seconds). Contains a manifest of observed aircraft and blobbed telemetry data.

  • at.adsb.flight.defs

    Shared type definitions for flight-related records in the at.adsb namespace.

  • at.adsb.receiver.station

    record

    A declaration of an ADS-B receiver station. One per account, representing a physical receiver contributing aircraft surveillance data to the network.