at.adsb.broadcast.message

adsb.at

Schema Diff

+31 -34

From

CID
bafyreidpd4tptbv...
Indexed At
2026-05-25 02:52 UTC
View this version

To

CID
bafyreibjiesv3nz...
Indexed At
2026-05-25 20:10 UTC
View this version

Compatibility Analysis

Breaking Changes Detected

24 breaking changes, 8 non-breaking changes.

Breaking Changes (24)
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.altitudeFt" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.groundSpeedKts" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.headingDeg" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lastPosition" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lat" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lon" }
  • RemovedVertex RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.verticalRateFpm" }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.altitudeFt", kind: "prop", name: Some("altitudeFt") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.groundSpeedKts", kind: "prop", name: Some("groundSpeedKts") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.headingDeg", kind: "prop", name: Some("headingDeg") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lastPosition", kind: "prop", name: Some("lastPosition") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lat", kind: "prop", name: Some("lat") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lon", kind: "prop", name: Some("lon") }
  • RemovedEdge RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.verticalRateFpm", kind: "prop", name: Some("verticalRateFpm") }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.rssi", sort: "maxLength", value: "10" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.seenPos", sort: "maxLength", value: "10" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.squawk", sort: "maxLength", value: "4" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.squawk", sort: "minLength", value: "4" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.messageCount", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.rc", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.seen", sort: "maxLength", value: "10" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.nic", sort: "maximum", value: "11" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.nic", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.callsign", sort: "maxLength", value: "8" }
Non-Breaking Changes (8)
  • AddedVertex AddedVertex { vertex_id: "at.adsb.broadcast.message:body.messageCount" }
  • AddedVertex AddedVertex { vertex_id: "at.adsb.broadcast.message:body.nic" }
  • AddedVertex AddedVertex { vertex_id: "at.adsb.broadcast.message:body.position" }
  • AddedVertex AddedVertex { vertex_id: "at.adsb.broadcast.message:body.rc" }
  • AddedEdge AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.messageCount", kind: "prop", name: Some("messageCount") }
  • AddedEdge AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.nic", kind: "prop", name: Some("nic") }
  • AddedEdge AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.position", kind: "prop", name: Some("position") }
  • AddedEdge AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.rc", kind: "prop", name: Some("rc") }

Migration Guidance

Removed Elements

  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.altitudeFt" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.groundSpeedKts" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.headingDeg" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lastPosition" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lat" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.lon" }
  • RemovedVertex { vertex_id: "at.adsb.broadcast.message:body.verticalRateFpm" }

Added Elements

  • AddedVertex { vertex_id: "at.adsb.broadcast.message:body.messageCount" }
  • AddedVertex { vertex_id: "at.adsb.broadcast.message:body.nic" }
  • AddedVertex { vertex_id: "at.adsb.broadcast.message:body.position" }
  • AddedVertex { vertex_id: "at.adsb.broadcast.message:body.rc" }

Constraint Changes

  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.squawk", sort: "minLength", value: "4" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.squawk", sort: "maxLength", value: "4" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.callsign", sort: "maxLength", value: "8" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.rc", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.seen", sort: "maxLength", value: "10" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.rssi", sort: "maxLength", value: "10" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.nic", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.nic", sort: "maximum", value: "11" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.messageCount", sort: "minimum", value: "0" }
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.broadcast.message:body.seenPos", sort: "maxLength", value: "10" }

Additional Notes

  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.altitudeFt", kind: "prop", name: Some("altitudeFt") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.groundSpeedKts", kind: "prop", name: Some("groundSpeedKts") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.headingDeg", kind: "prop", name: Some("headingDeg") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lastPosition", kind: "prop", name: Some("lastPosition") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lat", kind: "prop", name: Some("lat") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.lon", kind: "prop", name: Some("lon") }
  • Breaking: RemovedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.verticalRateFpm", kind: "prop", name: Some("verticalRateFpm") }
  • Non-breaking: AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.messageCount", kind: "prop", name: Some("messageCount") }
  • Non-breaking: AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.nic", kind: "prop", name: Some("nic") }
  • Non-breaking: AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.position", kind: "prop", name: Some("position") }
  • Non-breaking: AddedEdge { src: "at.adsb.broadcast.message:body", tgt: "at.adsb.broadcast.message:body.rc", kind: "prop", name: Some("rc") }
1 1 
{
2 2 
  "id": "at.adsb.broadcast.message",
3 3 
  "defs": {
4 4 
    "main": {
5 5 
      "key": "tid",
6 6 
      "type": "record",
7 7 
      "record": {
8 8 
        "type": "object",
9 9 
        "required": [
10 10 
          "icaoHex",
11 11 
          "rssi",
12 12 
          "seen"
13 13 
        ],
14 14 
        "properties": {
15 - 
          "lat": {
16 - 
            "type": "string",
17 - 
            "description": "Aircraft latitude in decimal degrees. String-encoded float."
15 + 
          "rc": {
16 + 
            "type": "integer",
17 + 
            "minimum": 0,
18 + 
            "description": "Radius of containment in metres. Derived from NIC."
18 19 
          },
19 - 
          "lon": {
20 - 
            "type": "string",
21 - 
            "description": "Aircraft longitude in decimal degrees. String-encoded float."
20 + 
          "nic": {
21 + 
            "type": "integer",
22 + 
            "maximum": 11,
23 + 
            "minimum": 0,
24 + 
            "description": "Navigation Integrity Category (0-11). Higher is more precise."
22 25 
          },
23 26 
          "rssi": {
24 27 
            "type": "string",
25 - 
            "description": "Received signal strength indicator in dBFS. String-encoded float."
28 + 
            "maxLength": 10,
29 + 
            "description": "Received signal strength indicator in dBFS."
26 30 
          },
27 31 
          "seen": {
28 32 
            "type": "string",
29 - 
            "description": "Seconds since last ADS-B message from this aircraft. String-encoded float."
33 + 
            "maxLength": 10,
34 + 
            "description": "Seconds since last message from this aircraft."
30 35 
          },
31 36 
          "squawk": {
32 37 
            "type": "string",
33 - 
            "description": "Transponder squawk code (4-digit octal)."
38 + 
            "maxLength": 4,
39 + 
            "minLength": 4,
40 + 
            "description": "Transponder squawk code (e.g. '2636')."
34 41 
          },
35 42 
          "icaoHex": {
36 43 
            "type": "string",
37 44 
            "maxLength": 6,
38 45 
            "minLength": 6,
39 - 
            "description": "ICAO 24-bit hex identifier (uppercased)."
46 + 
            "description": "ICAO 24-bit hex address (uppercased)."
40 47 
          },
41 48 
          "seenPos": {
42 49 
            "type": "string",
43 - 
            "description": "Seconds since last position fix from this aircraft. String-encoded float."
50 + 
            "maxLength": 10,
51 + 
            "description": "Seconds since last position fix from this aircraft."
44 52 
          },
45 53 
          "aircraft": {
46 54 
            "ref": "com.atproto.repo.strongRef",
47 55 
            "type": "ref",
48 56 
            "description": "Strong reference to the at.adsb.aircraft.identity record for this aircraft."
49 57 
          },
50 58 
          "callsign": {
51 59 
            "type": "string",
52 - 
            "description": "Flight callsign as broadcast."
53 - 
          },
54 - 
          "altitudeFt": {
55 - 
            "type": "string",
56 - 
            "description": "Barometric altitude in feet, or 'ground' when on surface. String-encoded."
60 + 
            "maxLength": 8,
61 + 
            "description": "Flight callsign as broadcast (e.g. 'UAL123')."
57 62 
          },
58 - 
          "headingDeg": {
59 - 
            "type": "string",
60 - 
            "description": "True heading in degrees. String-encoded float."
61 - 
          },
62 - 
          "lastPosition": {
63 - 
            "ref": "#lastPosition",
63 + 
          "position": {
64 + 
            "ref": "at.adsb.flight.defs#position",
64 65 
            "type": "ref",
65 - 
            "description": "Most recent known position with integrity data."
66 + 
            "description": "Most recent position fix for this aircraft."
66 67 
          },
67 - 
          "groundSpeedKts": {
68 - 
            "type": "string",
69 - 
            "description": "Ground speed in knots. String-encoded float."
70 - 
          },
71 - 
          "verticalRateFpm": {
72 - 
            "type": "string",
73 - 
            "description": "Vertical rate in feet per minute. String-encoded float."
68 + 
          "messageCount": {
69 + 
            "type": "integer",
70 + 
            "minimum": 0,
71 + 
            "description": "Total messages received from this aircraft in the current tracking session."
74 72 
          }
75 - 
        },
76 - 
        "description": "Telemetry frame for a single tracked aircraft."
73 + 
        }
77 74 
      },
78 - 
      "description": "Record containing an ADSB event packet."
75 + 
      "description": "Current state of a tracked aircraft as observed by a single receiver."
79 76 
    }
80 77 
  },
81 78 
  "$type": "com.atproto.lexicon.schema",
82 79 
  "lexicon": 1,
83 - 
  "description": "A real-time ADSB packet. Not intended to be written to a PDS due to high volume."
80 + 
  "description": "A real-time aircraft state update, broadcast via at.adsb.broadcast.subscribeEvents. Ephemeral — not written to a PDS."
84 81 
}

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