at.adsb.receiver.sighting
Schema Diff
+9 -0
Compatibility Analysis
Backward Compatible
Backward compatible. 2 non-breaking changes.
Non-Breaking Changes (2)
- AddedVertex AddedVertex { vertex_id: "at.adsb.receiver.sighting:body.track" }
- AddedEdge AddedEdge { src: "at.adsb.receiver.sighting:body", tgt: "at.adsb.receiver.sighting:body.track", kind: "prop", name: Some("track") }
Migration Guidance
Added Elements
AddedVertex { vertex_id: "at.adsb.receiver.sighting:body.track" }
Additional Notes
- Non-breaking: AddedEdge { src: "at.adsb.receiver.sighting:body", tgt: "at.adsb.receiver.sighting:body.track", kind: "prop", name: Some("track") }
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{
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"$type": "com.atproto.lexicon.schema",
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"defs": {
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"main": {
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"description": "A receiver's sighting of an aircraft transit through its coverage area.",
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"key": "tid",
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"record": {
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"properties": {
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"callsign": {
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"description": "Flight callsign as broadcast (e.g. 'UAL123').",
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"maxLength": 8,
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"type": "string"
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},
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"createdAt": {
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"format": "datetime",
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"type": "string"
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},
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"firstSeen": {
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"description": "When this receiver first detected the aircraft.",
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"format": "datetime",
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"type": "string"
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},
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"icaoHex": {
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"description": "ICAO 24-bit aircraft address in hexadecimal (e.g. 'A1B2C3').",
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"maxLength": 6,
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"minLength": 6,
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"type": "string"
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},
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"lastSeen": {
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"description": "When this receiver last detected the aircraft.",
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"format": "datetime",
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"type": "string"
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},
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"maxRangeNm": {
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"description": "Furthest distance to this aircraft during the sighting, in nautical miles.",
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"maxLength": 20,
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"type": "string"
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},
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"messageCount": {
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"description": "Total messages received from this aircraft.",
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"minimum": 0,
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"type": "integer"
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},
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"positionCount": {
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"description": "Number of position reports received.",
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"minimum": 0,
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"type": "integer"
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},
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"track": {
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"accept": [
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"application/json",
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"application/zstd"
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],
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"description": "Position track as a JSON array of at.adsb.flight.defs#position objects, optionally compressed. This is the receiver's partial view of the flight.",
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"maxSize": 2000000,
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"type": "blob"
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}
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},
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"required": [
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"icaoHex",
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"firstSeen",
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"lastSeen",
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"createdAt"
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],
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"type": "object"
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},
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"type": "record"
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}
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},
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"description": "A single receiver's sighting of an aircraft. Created when the aircraft leaves the receiver's coverage area. Feeder-authoritative — published immediately without waiting for the full flight to complete.",
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"id": "at.adsb.receiver.sighting",
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"lexicon": 1
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}