{
  "startDate": "1996-03-25T00:00:07Z",
  "stopDate": "1997-09-16T16:53:03Z",
  "sampleStartDate": "1997-09-15T00:00:03Z",
  "sampleStopDate": "1997-09-15T23:59:59Z",
  "cadence": "PT1.325S",
  "x_cadence_fraction": 0.7142835398337849,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/polar/pwi/pwi_h0/1996/po_h0_pwi_19960325_v02.cdf. The most common cadence, 1325 [ms] = PT1.325S, occurred for 71.4284% of the 46927 timesteps. ",
  "maxRequestDuration": "PT4319800S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesP.html#PO_H0_PWI",
  "contact": "D. Gurnett @ U. Iowa",
  "resourceID": "https://doi.org/10.48322/879x-0r04",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/POLAR/PWI/MCA/PT1.3S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Time, begin time of MCA E spectrum",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "MCAE_Elec",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Elec. Field at 20 freq., 5.62-311000 Hz (MCA E)",
      "fill": "-1.0E31",
      "units": "(V/M)**2/Hz",
      "x_label": "MCAE_Elec",
      "x_format": ".4e",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "E12.4",
      "x_cdf_FIELDNAM": "Elec. Field MCA E",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        20
      ],
      "bins": [
        {
          "name": "Frequency",
          "description": "Frequencies (E-field), 20 (5.62-311000) Hz",
          "centers": [
            5.62,
            10,
            17.8,
            31.1,
            56.2,
            100,
            178,
            311,
            562,
            1000,
            1780,
            3110,
            5620,
            10000,
            17800,
            31100,
            56200,
            100000,
            178000,
            311000
          ],
          "x_label": "Frequency",
          "units": "Hz"
        }
      ]
    },
    {
      "name": "Fce",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Electron Cyclotron Frequency, scalar",
      "fill": "-1.0E31",
      "units": "Hz",
      "x_label": "Elec Cyc Frq (Fce)",
      "x_format": ".4e",
      "x_fractionDigits": "4",
      "x_cdf_FORMAT": "E12.4",
      "x_cdf_FIELDNAM": "Electron Cyclotron Frequency",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "MCAE_Antenna",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT4",
      "description": "Antenna (MCAE) 0 = Eu, 1 = Ev, 2 = Ez",
      "fill": "-2147483648",
      "units": "(0=Eu,1=Ev,2=Ez) ",
      "x_label": "MCAE_Ant Select",
      "x_cdf_FORMAT": "I2",
      "x_cdf_FIELDNAM": "Antenna for MCA E",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "MCAB_Antenna",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT4",
      "description": "Antenna (MCAB) 1 = Bu, 2 = Bv, 3 = Bz",
      "fill": "-2147483648",
      "units": "(0=Bu,1=Bv,2=Bz)",
      "x_label": "MCAB_Ant Select",
      "x_cdf_FORMAT": "I2",
      "x_cdf_FIELDNAM": "Antenna for MCA B",
      "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": "2026-04-12T15:11:57Z"
}