at.adsb.broadcast.message

adsb.at

{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Record containing an ADSB event packet.",
      "key": "tid",
      "record": {
        "description": "Telemetry frame for a single tracked aircraft.",
        "properties": {
          "aircraft": {
            "description": "Strong reference to the at.adsb.aircraft.identity record for this aircraft.",
            "ref": "com.atproto.repo.strongRef",
            "type": "ref"
          },
          "altitudeFt": {
            "description": "Barometric altitude in feet, or 'ground' when on surface. String-encoded.",
            "type": "string"
          },
          "callsign": {
            "description": "Flight callsign as broadcast.",
            "type": "string"
          },
          "groundSpeedKts": {
            "description": "Ground speed in knots. String-encoded float.",
            "type": "string"
          },
          "headingDeg": {
            "description": "True heading in degrees. String-encoded float.",
            "type": "string"
          },
          "icaoHex": {
            "description": "ICAO 24-bit hex identifier (uppercased).",
            "maxLength": 6,
            "minLength": 6,
            "type": "string"
          },
          "lastPosition": {
            "description": "Most recent known position with integrity data.",
            "ref": "#lastPosition",
            "type": "ref"
          },
          "lat": {
            "description": "Aircraft latitude in decimal degrees. String-encoded float.",
            "type": "string"
          },
          "lon": {
            "description": "Aircraft longitude in decimal degrees. String-encoded float.",
            "type": "string"
          },
          "rssi": {
            "description": "Received signal strength indicator in dBFS. String-encoded float.",
            "type": "string"
          },
          "seen": {
            "description": "Seconds since last ADS-B message from this aircraft. String-encoded float.",
            "type": "string"
          },
          "seenPos": {
            "description": "Seconds since last position fix from this aircraft. String-encoded float.",
            "type": "string"
          },
          "squawk": {
            "description": "Transponder squawk code (4-digit octal).",
            "type": "string"
          },
          "verticalRateFpm": {
            "description": "Vertical rate in feet per minute. String-encoded float.",
            "type": "string"
          }
        },
        "required": [
          "icaoHex",
          "rssi",
          "seen"
        ],
        "type": "object"
      },
      "type": "record"
    }
  },
  "description": "A real-time ADSB packet. Not intended to be written to a PDS due to high volume.",
  "id": "at.adsb.broadcast.message",
  "lexicon": 1
}

Validate Record

Validate a record against at.adsb.broadcast.message

Validation Options
Treat any remaining unresolved references as valid

Metadata

DID
did:plc:32thk4eifx4ou6mxevswgjhg
CID
bafyreidpd4tptbvjynq3faokznladzvpkshcqafgdbaegimcxkpg27c24e
Indexed At
2026-05-25 02:52 UTC
AT-URI
at://did:plc:32thk4eifx4ou6mxevswgjhg/com.atproto.lexicon.schema/at.adsb.broadcast.message

Version History (2 versions)

Similar Lexicons

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

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

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

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