{
  "startDate": "1977-09-07T09:21:34Z",
  "stopDate": "1980-12-31T17:56:35Z",
  "sampleStartDate": "1979-01-01T00:03:10Z",
  "sampleStopDate": "1979-12-31T23:57:01Z",
  "cadence": "PT12S",
  "x_cadence_fraction": 0.9002848040325278,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/voyager/voyager1/plasma_cdaweb/hires_plasma/1977/voyager1_pls_hires_plasma_data_19770907_v01.cdf. The most common cadence, 12000 [ms] = PT12S, occurred for 90.0285% of the 266478 timesteps. ",
  "maxRequestDuration": "PT104661301S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesV.html#VOYAGER1_PLS_HIRES_PLASMA_DATA",
  "contact": "John D. Richardson @ Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology.",
  "resourceID": "https://doi.org/10.48322/kcn9-y866",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/Voyager1/PLS/HIRES/CDF/PT12S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Default time",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "V",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "proton bulk velocity",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "Vp",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f13.2",
      "x_cdf_FIELDNAM": "V_proton",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "dens",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "proton number density",
      "fill": "-1.0E31",
      "units": "1/c",
      "x_label": "proton density",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f13.2",
      "x_cdf_FIELDNAM": "density",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "V_thermal",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "proton thermal velocity",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "Vp_thermal",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f13.2",
      "x_cdf_FIELDNAM": "V_proton_thermal",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "V_rtn",
      "type": "double",
      "x_cdf_DataType": "CDF_DOUBLE",
      "description": "proton velocity vector",
      "fill": "-1.0E31",
      "units": "km/s",
      "x_label": "V_rtn",
      "x_labelComponents": [
        [
          "Vr",
          "Vt",
          "Vn"
        ]
      ],
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f13.2",
      "x_cdf_FIELDNAM": "Vp_rtn",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        3
      ]
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:16:42Z"
}