{
  "startDate": "1981-09-15T05:40:09Z",
  "stopDate": "1991-12-20T23:35:11Z",
  "sampleStartDate": "1991-02-17T05:30:18Z",
  "sampleStopDate": "1991-02-17T06:20:32Z",
  "cadence": "PT0.062S",
  "x_cadence_fraction": 0.4999342888825003,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/de/de1/magnetic_fields_maga/62ms_magagms_cdaweb/1981/de1_62ms_maga-gms_19810915_v01.cdf. The most common cadence, 62 [ms] = PT0.062S, occurred for 49.9934% of the 121729 timesteps. ",
  "maxRequestDuration": "PT150700S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesD.html#DE1_62MS_MAGA-GMS",
  "contact": "Dr. Masahisa Sugiura @ NASA/GSFC",
  "resourceID": " ",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": " .html"
  },
  "parameters": [
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      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
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      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "br",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
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      "fill": "-1.0E31",
      "units": "nT",
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      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e12.5",
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    },
    {
      "name": "bth",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Theta-Component of measured magnetic field in GMS coord.",
      "fill": "-1.0E31",
      "units": "nT",
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    },
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      "name": "mlt",
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      "units": "hr",
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    },
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      "name": "alt",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Altitude in km",
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      "units": "km",
      "x_label": "Altitude",
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      "x_cdf_FORMAT": "f8.2",
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  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
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  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:09:44Z"
}