{
  "startDate": "2015-09-02T00:27:42Z",
  "stopDate": "2025-08-29T23:04:48Z",
  "sampleStartDate": "2025-08-25T16:07:33Z",
  "sampleStopDate": "2025-08-26T07:15:13Z",
  "cadence": "PT58.084069S",
  "x_cadence_fraction": 0.027522935779816515,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms3/fpi/slow/l2/des-dist/2015/09/mms3_fpi_slow_l2_des-dist_20150902002742_v3.4.0.cdf. The most common cadence, 58084069000 [ns] = PT58.084069S, occurred for 2.7523% of the 3 timesteps.",
  "maxRequestDuration": "PT2723000S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesM.html#MMS3_FPI_SLOW_L2_DES-DIST",
  "contact": "J. Burch, D. Gershman @ SwRI, GSFC",
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "Nanoseconds since J2000",
      "x_cdf_NAME": "Epoch",
      "x_cdf_DataType": "CDF_TIME_TT2000"
    },
    {
      "name": "mms3_des_errorflags_slow",
      "type": "double",
      "x_cdf_DataType": "CDF_UINT4",
      "description": "MMS3 FPI/DES vector of data-quality indicators at survey-start time. Note: CDF_UINT4 data was converted to HAPI double.",
      "fill": "4.294967295E9",
      "units": "32-bit error flags",
      "x_label": "errFlags",
      "x_cdf_FORMAT": "I10",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES quality error flag",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "mms3_des_startdelphi_count_slow",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT2",
      "description": "MMS3 FPI/DES Del-Phi (obs spin-phase) count at survey-start time",
      "fill": "65535",
      "units": "del-phi counts",
      "x_label": "DelPhi_cnt",
      "x_cdf_FORMAT": "I4.4",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES start Del-Phi count",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "mms3_des_startdelphi_angle_slow",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS3 FPI/DES Del-Phi (obs spin-phase) angle at survey-start time",
      "fill": "-1.0E31",
      "units": "deg",
      "x_label": "DelPhi_ang",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES start Del-Phi angle",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch"
    },
    {
      "name": "mms3_des_dist_slow",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS3 FPI/DES Slow Survey sky-map instrument distribution",
      "fill": "-1.0E31",
      "units": "s^3/cm^6",
      "x_label": [
        [
          "14.0 deg",
          "36.5 deg",
          "59.0 deg",
          "81.5 deg",
          "104.0 deg",
          "126.5 deg",
          "149.0 deg",
          "171.5 deg",
          "194.0 deg",
          "216.5 deg",
          "239.0 deg",
          "261.5 deg",
          "284.0 deg",
          "306.5 deg",
          "329.0 deg",
          "351.5 deg"
        ],
        [
          "5.6250 deg",
          "16.875 deg",
          "28.125 deg",
          "39.375 deg",
          "50.625 deg",
          "61.875 deg",
          "73.125 deg",
          "84.375 deg",
          "95.625 deg",
          "106.88 deg",
          "118.13 deg",
          "129.38 deg",
          "140.63 deg",
          "151.88 deg",
          "163.13 deg",
          "174.38 deg"
        ],
        [
          "energy00",
          "energy01",
          "energy02",
          "energy03",
          "energy04",
          "energy05",
          "energy07",
          "energy07",
          "energy08",
          "energy09",
          "energy10",
          "energy11",
          "energy12",
          "energy13",
          "energy14",
          "energy15",
          "energy16",
          "energy17",
          "energy18",
          "energy19",
          "energy20",
          "energy21",
          "energy22",
          "energy23",
          "energy24",
          "energy25",
          "energy26",
          "energy27",
          "energy28",
          "energy29",
          "energy30",
          "energy31"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES slowSkyMap dist",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        16,
        16,
        32
      ]
    },
    {
      "name": "mms3_des_disterr_slow",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS3 FPI/DES Slow Survey sky-map instrument distribution 1-sigma error",
      "fill": "-1.0E31",
      "units": "s^3/cm^6",
      "x_label": [
        [
          "14.0 deg",
          "36.5 deg",
          "59.0 deg",
          "81.5 deg",
          "104.0 deg",
          "126.5 deg",
          "149.0 deg",
          "171.5 deg",
          "194.0 deg",
          "216.5 deg",
          "239.0 deg",
          "261.5 deg",
          "284.0 deg",
          "306.5 deg",
          "329.0 deg",
          "351.5 deg"
        ],
        [
          "5.6250 deg",
          "16.875 deg",
          "28.125 deg",
          "39.375 deg",
          "50.625 deg",
          "61.875 deg",
          "73.125 deg",
          "84.375 deg",
          "95.625 deg",
          "106.88 deg",
          "118.13 deg",
          "129.38 deg",
          "140.63 deg",
          "151.88 deg",
          "163.13 deg",
          "174.38 deg"
        ],
        [
          "energy00",
          "energy01",
          "energy02",
          "energy03",
          "energy04",
          "energy05",
          "energy07",
          "energy07",
          "energy08",
          "energy09",
          "energy10",
          "energy11",
          "energy12",
          "energy13",
          "energy14",
          "energy15",
          "energy16",
          "energy17",
          "energy18",
          "energy19",
          "energy20",
          "energy21",
          "energy22",
          "energy23",
          "energy24",
          "energy25",
          "energy26",
          "energy27",
          "energy28",
          "energy29",
          "energy30",
          "energy31"
        ]
      ],
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES slowSkyMap distErr",
      "x_cdf_DISPLAY_TYPE": "default_dimension",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        16,
        16,
        32
      ]
    },
    {
      "name": "mms3_des_avgf1counts_slow",
      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
      "description": "MMS3 FPI/DES slow survey average f1 count values",
      "fill": "-1.0E31",
      "units": "s^3/cm^6",
      "x_label": "avg 1-count level",
      "x_format": ".2e",
      "x_fractionDigits": "2",
      "x_cdf_FORMAT": "E12.2",
      "x_cdf_FIELDNAM": "MMS3 FPI/DES avgf1counts",
      "x_cdf_DEPEND_0": "Epoch",
      "size": [
        32
      ]
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-05-12T15:24:16Z"
}