{
  "startDate": "1977-10-22T21:04:19Z",
  "stopDate": "1987-09-25T16:10:30Z",
  "sampleStartDate": "1987-09-24T00:00:02Z",
  "sampleStopDate": "1987-09-24T23:59:56Z",
  "cadence": "PT4S",
  "x_cadence_fraction": 0.873545384018619,
  "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/isee/isee1/isee1_cdaweb/4sec_mfi/1977/isee1_4sec_mfi_19771022_v01.cdf. The most common cadence, 4000 [ms] = PT4S, occurred for 87.3545% of the 2252 timesteps. ",
  "maxRequestDuration": "PT71995M",
  "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesI.html#ISEE1_4SEC_MFI",
  "contact": "C. T. Russell @ UCLA",
  "resourceID": "https://doi.org/10.48322/nms1-t205",
  "additionalMetadata": {
    "name": "SPASE",
    "contentURL": "https://spase-metadata.org/NASA/NumericalData/ISEE1/MAG/PT4S.html"
  },
  "parameters": [
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      "name": "Time",
      "type": "isotime",
      "units": "UTC",
      "length": 24,
      "fill": null,
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      "x_cdf_DataType": "CDF_EPOCH"
    },
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      "type": "double",
      "x_cdf_DataType": "CDF_REAL4",
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      "fill": "-1.0E31",
      "units": "nT",
      "x_label": "BX (SC)",
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    },
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      "units": "nT",
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  "x_info_author": "bw",
  "x_cdaweb_hapi_version": "20260130.0606",
  "x_info_caching": false,
  "status": {
    "code": 1200,
    "message": "OK"
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  "HAPI": "3.2",
  "x_LastUpdate": "2026-04-12T15:11:03Z"
}