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      "signed_error_max_km": 33.43647448264346,
      "signed_error_median_km": -0.11225969370174571,
      "absolute_error_median_km": 2.341391507480239,
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      "percentage_error_min": -0.3812437833150944,
      "percentage_error_max": 0.33436474482643463,
      "absolute_percentage_error_median": 0.23008570704144965,
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        "initial_azimuth": 180,
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    "80": {
      "n": 240,
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      "absolute_error_median_km": 4.3656336045611965,
      "absolute_error_p95_km": 23.16923898749883,
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      "percentage_error_min": -0.4376528019102351,
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      "worst_route": {
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    }
  },
  "source_validation": "Source not present; compare this script with static/js/map-generator.js separately.",
  "sampling": {
    "center_latitudes": [
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      -60,
      -30,
      0,
      30,
      60,
      80
    ],
    "center_longitudes": [
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    "initial_azimuths": [
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      180,
      225,
      270,
      315
    ],
    "test_lengths_km": [
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      10,
      100,
      500,
      1000,
      2500,
      5000,
      10000,
      15000,
      19000
    ],
    "radius_km": 6371.0,
    "wgs84_a_m": 6378137.0,
    "wgs84_f": 0.0033528106647474805
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}