{
  "startDate": "2015-09-01T03:13:54Z",
  "stopDate": "2016-01-04T00:00:04Z",
  "sampleStartDate": "2016-01-02T00:00:02Z",
  "sampleStopDate": "2016-01-03T00:00:03Z",
  "cadence": "PT4.000042S",
  "x_cadence_fraction": 0.05177570093457944,
  "x_cadence_note": "Counts based on variable 'epoch_timetag' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms2/edi/srvy/l2/amb/2015/09/mms2_edi_srvy_l2_amb_20150901_v4.1.0.cdf. The most common cadence, 4000041856 [ns] = PT4.000042S, occurred for 5.1776% of the 554 timesteps. ",
  "maxRequestDuration": "P50DT50S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesM.html#MMS2_EDI_SRVY_L2_AMB",
  "contact": "Roy Torbert, Hans Vaith @ UNH",
  "resourceID": "https://doi.org/10.48322/mq1a-5a56",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/MMS/2/FIELDS/EDI/Survey/Level2/ElectronFluxAmbient/ProjectionMethod1/PT0.03125S.html"
  },
  "parameters": [
    {
      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 30,
      "fill": null,
      "x_description": "TT2000 time tags for EDU support data.",
      "x_cdf_NAME": "epoch_timetag",
      "x_cdf_DataType": "CDF_TIME_TT2000"
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    {
      "name": "mms2_edi_optics_state_srvy_l2",
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      "x_cdf_DataType": "CDF_UINT2",
      "description": "Optics state",
      "fill": "255",
      "units": null,
      "x_label": "Optics State",
      "x_cdf_FORMAT": "I4",
      "x_cdf_FIELDNAM": "Optics state",
      "x_cdf_DEPEND_0": "epoch_timetag"
    },
    {
      "name": "mms2_edi_energy_gdu1_srvy_l2",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT2",
      "description": "---> GDU1 energy",
      "fill": "65535",
      "units": "eV",
      "x_label": "GDU1 Energy",
      "x_cdf_FORMAT": "I4",
      "x_cdf_FIELDNAM": "GDU1 Energy",
      "x_cdf_DEPEND_0": "epoch_timetag"
    },
    {
      "name": "mms2_edi_energy_gdu2_srvy_l2",
      "type": "integer",
      "x_cdf_DataType": "CDF_UINT2",
      "description": "---> GDU2 energy",
      "fill": "65535",
      "units": "eV",
      "x_label": "GDU2 Energy",
      "x_cdf_FORMAT": "I4",
      "x_cdf_FIELDNAM": "GDU2 Energy",
      "x_cdf_DEPEND_0": "epoch_timetag"
    }
  ],
  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:11:20Z"
}