{
  "name": "官方问题3演练观测",
  "source": "official_practice",
  "case_code": "U5ZW-P9KN-TCAG-R7ST",
  "channel": 9,
  "ground_truth": null,
  "measurements": [
    {
      "x": 0,
      "y": 0,
      "bearing_deg": 131.52,
      "half_angle_deg": 1.0
    },
    {
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      "y": 391.53077545248124,
      "bearing_deg": 34.92,
      "half_angle_deg": 1.0
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    {
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      "y": 656.6833525352392,
      "bearing_deg": 227.19,
      "half_angle_deg": 1.0
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  ],
  "repeated_station_response": {
    "accepted": true,
    "real_timestamp_ms": 1789041227755,
    "virtual_time_s": 58,
    "measure_result": "direction",
    "svd_deg": 131.52
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  "result": {
    "status": "polygon",
    "vertices": [
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      [
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      [
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    "tolerance_m": 4.666666666666667e-07,
    "diameter_infinite": false,
    "diameter_m": 23.996723024535473,
    "diameter_pair": [
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    ],
    "area_m2": 89.48455568449387,
    "diameter_circle": {
      "center": [
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      "radius_m": 11.998361512267737,
      "max_vertex_distance_m": 12.60236369723464,
      "covers": false
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    "minimum_enclosing_circle": {
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      "radius_m": 12.068583013309823
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    "guaranteed_clearable_at_mec_center": true
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  "scope": "仅采集问题一观测，不执行问题三全清除任务；没有调用clear"
}