{
  "startDate": "2000-12-10T00:00:02Z",
  "stopDate": "2012-12-31T23:59:54Z",
  "sampleStartDate": "2012-12-30T00:00Z",
  "sampleStopDate": "2012-12-31T23:59:54Z",
  "cadence": "PT4S",
  "x_cadence_fraction": 0.9999198525286527,
  "x_cadence_note": "Counts based on variable 'Epoch__C4_PP_WHI' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/cluster/c4/pp/whi/2000/c4_pp_whi_20001210_v01.cdf. The most common cadence, 4000 [ms] = PT4S, occurred for 99.9920% of the 12476 timesteps. ",
  "maxRequestDuration": "P0D",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesC.html#C4_PP_WHI",
  "contact": "P.M.E. Decreau @ LPCE",
  "resourceID": " ",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/ESA/NumericalData/Cluster-Tango/WHISPER/PrimeParameter/PT4S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Interval centred time tag rounded to nearest msecond ",
      "x_cdf_NAME": "Epoch__C4_PP_WHI",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "Status__C4_PP_WHI",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT1",
      "description": "WHISPER status",
      "fill": "255",
      "units": " ",
      "x_label": [
        "Status[0]",
        "Status[1]",
        "Status[2]",
        "Status[3]"
      ],
      "x_cdf_FORMAT": "I3",
      "x_cdf_FIELDNAM": "WHISPER status",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI",
      "size": [
        4
      ]
    },
    {
      "name": "State_wec__C4_PP_WHI",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT1",
      "description": "WEC status",
      "fill": "255",
      "units": " ",
      "x_label": [
        "StatWEC[0]",
        "StatWEC[1]",
        "StatWEC[2]",
        "StatWEC[3]",
        "StatWEC[4]"
      ],
      "x_cdf_FORMAT": "I3",
      "x_cdf_FIELDNAM": "WEC status",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI",
      "size": [
        5
      ]
    },
    {
      "name": "N_e_res__C4_PP_WHI",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Preliminary electron Density derived from plasma frequency recognition (consult quality flag and PI before use)",
      "fill": "-1.0E31",
      "units": "cm^-3",
      "x_label": "[PRELIM] Ne_res",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f5.2",
      "x_cdf_FIELDNAM": "Preliminary electron density",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    },
    {
      "name": "N_e_res_qual__C4_PP_WHI",
      "type": "integer",
      "x_cdf_DataType": "CDF_INT2",
      "description": "Quality of the resonance recognition, Degree of confidence between 0 and 100",
      "fill": "-32768",
      "units": " ",
      "x_label": "Ne_res_q",
      "x_cdf_FORMAT": "i3",
      "x_cdf_FIELDNAM": "Quality of the resonance recognition",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    },
    {
      "name": "E_pow_f4__C4_PP_WHI",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "E-field Spectral Density, Freq range 4-10 kHz from WHISPER natural noise analyser",
      "fill": "-1.0E31",
      "units": "V^2 m^-2 Hz^-1",
      "x_label": "Epow_f4",
      "x_format": ".3e",
      "x_fractionDigits": "3",
      "x_cdf_FORMAT": "e9.3",
      "x_cdf_FIELDNAM": "E-field Spectral Density",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    },
    {
      "name": "E_pow_f5__C4_PP_WHI",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "E-field spectral density, Freq range 10-20 kHz from WHISPER natural noise analyser",
      "fill": "-1.0E31",
      "units": "V^2 m^-2 Hz^-1",
      "x_label": "Epow_f5",
      "x_format": ".3e",
      "x_fractionDigits": "3",
      "x_cdf_FORMAT": "e9.3",
      "x_cdf_FIELDNAM": "E-field spectral density",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    },
    {
      "name": "E_pow_f6__C4_PP_WHI",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "E-field spectral density, Freq range 20-80 kHz from WHISPER natural nopise analyser",
      "fill": "-1.0E31",
      "units": "V^2 m^-2 Hz^-1",
      "x_label": "Epow_f6",
      "x_format": ".3e",
      "x_fractionDigits": "3",
      "x_cdf_FORMAT": "e9.3",
      "x_cdf_FIELDNAM": "E-field spectral density",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    },
    {
      "name": "E_var_ts__C4_PP_WHI",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Normalized standard deviation of E power in 2-80 kHz range from time samples",
      "fill": "-1.0E31",
      "units": " ",
      "x_label": "Evar",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "f5.1",
      "x_cdf_FIELDNAM": "Normalized E-field Variance",
      "x_cdf_DEPEND_0": "Epoch__C4_PP_WHI"
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:09:40Z"
}