{
  "startDate": "1995-05-16T00:00Z",
  "stopDate": "2026-04-10T23:45Z",
  "sampleStartDate": "2026-04-09T00:00Z",
  "sampleStopDate": "2026-04-09T23:45Z",
  "cadence": "PT15M",
  "x_cadence_fraction": 1,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/gps/tec15min_igs/1995/gps_tec15min_igs_19950516_v01.cdf. The most common cadence, 900000 [ms] = PT15M, occurred for all 95 timesteps. ",
  "maxRequestDuration": "PT71250M",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesG.html#GPS_TEC15MIN_IGS",
  "contact": "International Global Navigation Satellite Systems (GNSS) Service Iono Working Group @ ",
  "resourceID": " ",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/IGS/GPS_Receiver/TEC/PT15M.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "NSSDC standard-reference time value. ",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "UQRnumStations",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT2",
      "description": "UPC, Num. Stations Rapid-15min, Number of Ground Stations Used, (Rapid product, 15 min res., 24 hr latency)",
      "fill": "-1",
      "units": " ",
      "x_label": "N_stas 15min UPC",
      "x_cdf_FORMAT": "i4",
      "x_cdf_FIELDNAM": "# stations, UPC",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "UQRnumSatellites",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT2",
      "description": "UPC, Num satellites Rapid-15min, Number of GPS satellites used, (Rapid product, 15 min res., 24 hrs latency)",
      "fill": "-1",
      "units": " ",
      "x_label": "N_sats 15min UPC",
      "x_cdf_FORMAT": "i2",
      "x_cdf_FIELDNAM": "# satellites, UPC",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-14T15:10:10Z"
}