{
  "startDate": "2015-09-01T12:11:14Z",
  "stopDate": "2026-03-04T06:31:32Z",
  "sampleStartDate": "2026-03-04T06:19:13Z",
  "sampleStopDate": "2026-03-04T06:21:42Z",
  "cadence": "PT0.007813S",
  "x_cadence_fraction": 0.6776492140249734,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/mms/mms1/fgm/brst/l2/2015/09/mms1_fgm_brst_l2_20150901121114_v4.18.0.cdf. The most common cadence, 7812591 [ns] = PT0.007813S, occurred for 67.7649% of the 50308 timesteps. ",
  "maxRequestDuration": "PT7450S",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesM.html#MMS1_FGM_BRST_L2",
  "contact": "J. Burch, C. Russell, W. Magnus @ SWRI, UCLA, IWF",
  "resourceID": "https://doi.org/10.48322/pj0n-m695",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/MMS/1/FIELDS/FGM/Burst/Level2/PT0.0078125S.html"
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  "parameters": [
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        "Bx DMPA",
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        "Bz DMPA",
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