{
  "startDate": "1993-03-15T00:05:23Z",
  "stopDate": "2008-01-03T18:20:59Z",
  "sampleStartDate": "2008-01-02T00:02:08Z",
  "sampleStopDate": "2008-01-02T23:57:12Z",
  "cadence": "PT2M52.036S",
  "x_cadence_fraction": 0.3676148796498906,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/lanl/89_mpa/1993/l9_k0_mpa_19930315_v01.cdf. The most common cadence, 172036 [ms] = PT2M52.036S, occurred for 36.7615% of the 168 timesteps. ",
  "maxRequestDuration": "PT4305200S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesL.html#L9_K0_MPA",
  "contact": "Mike Henderson @ LANL",
  "resourceID": "https://doi.org/10.48322/jv8m-ra10",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/LANL/1989/MPA/PT86S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
      "x_description": "Time of proton collection (electrons 21.5 seconds later)",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_EPOCH"
    },
    {
      "name": "dens_lop",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Partial density of low energy ions (1-130 eV/e)",
      "fill": "-1.0E31",
      "units": "cm-3",
      "x_label": "low p dens",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f8.2",
      "x_cdf_FIELDNAM": "partial density low-E p",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "vel_lop",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Velocity, 3 comp. in s/c coord., of low energy ions (1-130 eV/e)",
      "fill": "-1.0E31",
      "units": "km/sec",
      "x_label": [
        "Vx-S/C",
        "Vy-S/C",
        "Vz-S/C"
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      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f8.2",
      "x_cdf_FIELDNAM": "velocity vector low-E p",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
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      ]
    },
    {
      "name": "dens_hip",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
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      "fill": "-1.0E31",
      "units": "cm-3",
      "x_label": "hi p dens",
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      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f8.2",
      "x_cdf_FIELDNAM": "partial density high-E e",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "temp_hip",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
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      "fill": "-1.0E31",
      "units": "ev",
      "x_label": [
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        "Tperp"
      ],
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f8.2",
      "x_cdf_FIELDNAM": "temperature high-E p",
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      ]
    },
    {
      "name": "theta_phi_hip",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
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      "fill": "-1.0E31",
      "units": "deg",
      "x_label": [
        "polar angle",
        "azimuth angle"
      ],
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f9.2",
      "x_cdf_FIELDNAM": "polar,azim ang high-E p symm axis",
      "x_cdf_DEPEND_0": "Epoch",
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      ]
    },
    {
      "name": "tratio_hip",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Ratio Tperp/Tmid for high energy ions, (.13-45 keV/e)",
      "fill": "-1.0E31",
      "units": " ",
      "x_label": "Tper/Tmid",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f9.2",
      "x_cdf_FIELDNAM": "Ratio of temperature eigenvalue for high-E p",
      "x_cdf_DEPEND_0": "Epoch"
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    {
      "name": "dens_e",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Partial density of electrons (.03-45 keV/q)",
      "fill": "-1.0E31",
      "units": "cm-3",
      "x_label": "elec dens",
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f8.2",
      "x_cdf_FIELDNAM": "partial density electrons",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "temp_e",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Temperatures, parallel & perp. for electrons (.03-45 keV/q)",
      "fill": "-1.0E31",
      "units": "ev",
      "x_label": [
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        "Tperp"
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      "x_fractionDigits": "2",
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      "x_cdf_FIELDNAM": "temperature electrons",
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    },
    {
      "name": "theta_phi_e",
      "type": "double",
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      "x_label": [
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        "azimuth angle"
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      "name": "tratio_e",
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      "name": "sc_pot",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Spacecraft potential",
      "fill": "-1.0E31",
      "units": "volts",
      "x_label": "S/C poten.",
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      "x_cdf_FORMAT": "f9.2",
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      "name": "bkgd",
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      "fill": "-1.0E31",
      "units": "cts/9ms",
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      "x_cdf_FORMAT": "f9.2",
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      "name": "sc_pos_geo",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "S/C position, Geographic coordinates (radius,lat,long)",
      "fill": "-1.0E31",
      "units": [
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        "deg",
        "deg"
      ],
      "x_label": [
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        "latitude",
        "longitude"
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    },
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      "name": "sc_pos_mag",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "S/C position, Magnetic coordinates (radius,mlat,mlt)",
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      "units": [
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        "deg",
        "hours"
      ],
      "x_label": [
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        "MLT"
      ],
      "x_format": ".2f",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "f9.2",
      "x_cdf_FIELDNAM": "S/C position polar magnetic coordinates",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
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      ]
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:11:08Z"
}