at.adsb.flight.defs

adsb.at

Schema Diff

+19 -1

From

CID
bafyreidyrh3dhic...
Indexed At
2026-05-25 20:10 UTC
View this version

To

CID
bafyreica7uis4oy...
Indexed At
2026-05-27 12:56 UTC
View this version

Compatibility Analysis

Breaking Changes Detected

1 breaking change, 2 non-breaking changes.

Breaking Changes (1)
  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.flight.defs#position.source", sort: "maxLength", value: "32" }
Non-Breaking Changes (2)
  • AddedVertex AddedVertex { vertex_id: "at.adsb.flight.defs#position.source" }
  • AddedEdge AddedEdge { src: "at.adsb.flight.defs#position", tgt: "at.adsb.flight.defs#position.source", kind: "prop", name: Some("source") }

Migration Guidance

Added Elements

  • AddedVertex { vertex_id: "at.adsb.flight.defs#position.source" }

Constraint Changes

  • ConstraintAdded ConstraintAdded { vertex_id: "at.adsb.flight.defs#position.source", sort: "maxLength", value: "32" }

Additional Notes

  • Non-breaking: AddedEdge { src: "at.adsb.flight.defs#position", tgt: "at.adsb.flight.defs#position.source", kind: "prop", name: Some("source") }
1 1
{
2 2
  "id": "at.adsb.flight.defs",
3 3
  "defs": {
4 4
    "position": {
5 5
      "type": "object",
6 6
      "required": [
7 7
        "latitude",
8 8
        "longitude",
9 -
        "timestamp"
9 +
        "timestamp",
10 +
        "source"
10 11
      ],
11 12
      "properties": {
13 +
        "source": {
14 +
          "type": "string",
15 +
          "maxLength": 32,
16 +
          "description": "Decoder-level source type that produced this position fix.",
17 +
          "knownValues": [
18 +
            "adsb_icao",
19 +
            "adsb_icao_nt",
20 +
            "adsr_icao",
21 +
            "tisb_icao",
22 +
            "adsc",
23 +
            "mlat",
24 +
            "uat",
25 +
            "mode_s",
26 +
            "adsb_other",
27 +
            "tisb_other"
28 +
          ]
29 +
        },
12 30
        "latitude": {
13 31
          "type": "string",
14 32
          "maxLength": 20,
15 33
          "description": "Decimal degrees north, WGS84. Negative for south."
16 34
        },
17 35
        "trackDeg": {
18 36
          "type": "string",
19 37
          "maxLength": 20,
20 38
          "description": "Track angle in degrees true north."
21 39
        },
22 40
        "longitude": {
23 41
          "type": "string",
24 42
          "maxLength": 20,
25 43
          "description": "Decimal degrees east, WGS84. Negative for west."
26 44
        },
27 45
        "timestamp": {
28 46
          "type": "string",
29 47
          "format": "datetime"
30 48
        },
31 49
        "altitudeFt": {
32 50
          "type": "integer",
33 51
          "description": "Barometric altitude in feet."
34 52
        },
35 53
        "groundSpeedKts": {
36 54
          "type": "string",
37 55
          "maxLength": 20,
38 56
          "description": "Ground speed in knots."
39 57
        },
40 58
        "verticalRateFpm": {
41 59
          "type": "integer",
42 60
          "description": "Vertical rate in feet per minute. Negative is descending."
43 61
        }
44 62
      },
45 63
      "description": "A single aircraft position report. Coordinates follow community.lexicon.location conventions: decimal degree strings, WGS84."
46 64
    },
47 65
    "contributor": {
48 66
      "type": "object",
49 67
      "required": [
50 68
        "did"
51 69
      ],
52 70
      "properties": {
53 71
        "did": {
54 72
          "type": "string",
55 73
          "format": "did",
56 74
          "description": "DID of the contributing receiver account."
57 75
        },
58 76
        "station": {
59 77
          "ref": "com.atproto.repo.strongRef",
60 78
          "type": "ref",
61 79
          "description": "Strong reference to the contributor's at.adsb.receiver.station record."
62 80
        },
63 81
        "lastSeen": {
64 82
          "type": "string",
65 83
          "format": "datetime",
66 84
          "description": "When this receiver last observed the aircraft."
67 85
        },
68 86
        "sighting": {
69 87
          "ref": "com.atproto.repo.strongRef",
70 88
          "type": "ref",
71 89
          "description": "Strong reference to the contributor's at.adsb.receiver.sighting record for this aircraft."
72 90
        },
73 91
        "firstSeen": {
74 92
          "type": "string",
75 93
          "format": "datetime",
76 94
          "description": "When this receiver first observed the aircraft."
77 95
        },
78 96
        "positionCount": {
79 97
          "type": "integer",
80 98
          "minimum": 0,
81 99
          "description": "Number of position reports this receiver contributed."
82 100
        }
83 101
      },
84 102
      "description": "A receiver that contributed data to a flight sighting."
85 103
    },
86 104
    "trackSummary": {
87 105
      "type": "object",
88 106
      "properties": {
89 107
        "origin": {
90 108
          "ref": "community.lexicon.location.geo",
91 109
          "type": "ref",
92 110
          "description": "First observed position."
93 111
        },
94 112
        "distanceNm": {
95 113
          "type": "string",
96 114
          "maxLength": 20,
97 115
          "description": "Great-circle distance between first and last observed positions, in nautical miles."
98 116
        },
99 117
        "destination": {
100 118
          "ref": "community.lexicon.location.geo",
101 119
          "type": "ref",
102 120
          "description": "Last observed position."
103 121
        },
104 122
        "maxAltitudeFt": {
105 123
          "type": "integer"
106 124
        },
107 125
        "minAltitudeFt": {
108 126
          "type": "integer"
109 127
        }
110 128
      },
111 129
      "description": "Summary of a flight's path without the full position history. Coordinates follow community.lexicon.location conventions."
112 130
    }
113 131
  },
114 132
  "$type": "com.atproto.lexicon.schema",
115 133
  "lexicon": 1,
116 134
  "description": "Shared type definitions for flight-related records in the at.adsb namespace."
117 135
}

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