{
  "startDate": "1984-08-29T22:50:32Z",
  "stopDate": "1989-01-11T00:00:09Z",
  "sampleStartDate": "1988-12-22T00:00:49Z",
  "sampleStopDate": "1988-12-22T16:18:51Z",
  "cadence": "PT0.184858S",
  "x_cadence_fraction": 0.4950444726810673,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/ampte/h0/1984/amptecce_h0_mepa_19840829_v01.cdf. The most common cadence, 184857845 [ns] = PT0.184858S, occurred for 49.5044% of the 1948 timesteps.",
  "maxRequestDuration": "PT2934100S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesA.html#AMPTECCE_H0_MEPA",
  "contact": "D. McEntire @ JHU/APL",
  "resourceID": "https://doi.org/10.48322/zz7m-pv06",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/AMPTE-CCE/MEPA/PT0.1875S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "Epoch",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_TIME_TT2000"
    },
    {
      "name": "SpinPeriod",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SpinPeriod",
      "fill": "-1.0",
      "units": "seconds",
      "x_label": "SpinPeriod",
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e12.5",
      "x_cdf_FIELDNAM": "SpinPeriod",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "Sector",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "SECTOR",
      "fill": "-1.0",
      "units": "sector",
      "x_label": "Sector",
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e12.5",
      "x_cdf_FIELDNAM": "Sector",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "Gain",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Gain",
      "fill": "-1.0",
      "units": "unitless",
      "x_label": "Gain",
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e12.5",
      "x_cdf_FIELDNAM": "Gain",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "ION_protons_COUNTS",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "ION_protons: counts per sector (spectrogram) with each sector being a sum from 4 spins; ION records only; the time given is the SECTOR midpoint in spin 2 out of 0,1,2,3",
      "fill": "-1.0E38",
      "units": "counts",
      "x_label": "ION_protons",
      "x_labelComponents": [
        [
          "ION_0_P_COUNTS",
          "ION_1_P_COUNTS",
          "ION_2_P_COUNTS",
          "ION_3_P_COUNTS",
          "ION_4_P_COUNTS",
          "ION_5_P_COUNTS",
          "ION_6_P_COUNTS",
          "ION_7_P_COUNTS"
        ]
      ],
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e13.5",
      "x_cdf_FIELDNAM": "ION_protons_COUNTS",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        8
      ],
      "bins": [
        {
          "name": "ION_protons_E",
          "description": "channel names",
          "centers": [
            29.15,
            41.23,
            64.42,
            111.95,
            207.45,
            392.3,
            734.85,
            1161.9
          ],
          "x_label": "Energy",
          "units": "keV"
        }
      ]
    },
    {
      "name": "ION_protons_CPS",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> ION_protons: counts per second per sector (spectrogram)",
      "fill": "-1.0E38",
      "units": "counts/sec",
      "x_label": "ION_protons",
      "x_labelComponents": [
        [
          "ION_0_P_CPS",
          "ION_1_P_CPS",
          "ION_2_P_CPS",
          "ION_3_P_CPS",
          "ION_4_P_CPS",
          "ION_5_P_CPS",
          "ION_6_P_CPS",
          "ION_7_P_CPS"
        ]
      ],
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e13.5",
      "x_cdf_FIELDNAM": "ION_protons_CPS",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        8
      ],
      "bins": [
        {
          "name": "ION_protons_E",
          "description": "channel names",
          "centers": [
            29.15,
            41.23,
            64.42,
            111.95,
            207.45,
            392.3,
            734.85,
            1161.9
          ],
          "x_label": "Energy",
          "units": "keV"
        }
      ]
    },
    {
      "name": "ION_protons_INTEN",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "---> ION_protons: differential intensity per sector (spectrogram)",
      "fill": "-1.0E38",
      "units": "1/(sec ster cm^2 keV)",
      "x_label": "ION_protons_DiffInt",
      "x_labelComponents": [
        [
          "ION_0_P_INTEN",
          "ION_1_P_INTEN",
          "ION_2_P_INTEN",
          "ION_3_P_INTEN",
          "ION_4_P_INTEN",
          "ION_5_P_INTEN",
          "ION_6_P_INTEN",
          "ION_7_P_INTEN"
        ]
      ],
      "x_format": ".5e",
      "x_fractionDigits": "5",
      "x_cdf_FORMAT": "e13.5",
      "x_cdf_FIELDNAM": "ION_protons_DiffInt",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        8
      ],
      "bins": [
        {
          "name": "ION_protons_E",
          "description": "channel names",
          "centers": [
            29.15,
            41.23,
            64.42,
            111.95,
            207.45,
            392.3,
            734.85,
            1161.9
          ],
          "x_label": "Energy",
          "units": "keV"
        }
      ]
    },
    {
      "name": "ION_protons_Edrift",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Actual ION_protons channel midpoint energies at the middle of this day",
      "fill": "-9.999999680285692E37",
      "units": "keV",
      "x_label": "ION_protons_Edrift",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F6.1",
      "x_cdf_FIELDNAM": "ION_protons_Edrift",
      "x_cdf_DISPLAY_TYPE": "default_dimensionNOBAR",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        8
      ],
      "bins": [
        {
          "name": "ION_protons_channel_no",
          "description": "ION_protons_channel_no",
          "centers": [
            1,
            2,
            3,
            4,
            5,
            6,
            7,
            8
          ],
          "x_label": "No",
          "units": " "
        }
      ]
    },
    {
      "name": "ION_helium_Edrift",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "Actual ION_helium channel midpoint energies at the middle of this day",
      "fill": "-9.999999680285692E37",
      "units": "keV",
      "x_label": "ION_helium_Edrift",
      "x_format": ".1f",
      "x_fractionDigits": "1",
      "x_cdf_FORMAT": "F6.1",
      "x_cdf_FIELDNAM": "ION_helium_Edrift",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        2
      ]
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:08:21Z"
}