{
    "startDate": "1997-09-02T00:00:12Z",
    "stopDate": "2026-02-23T23:59:57Z",
    "sampleStartDate": "2026-02-22T00:00:13Z",
    "sampleStopDate": "2026-02-22T23:59:57Z",
    "cadence": "PT16S",
    "x_cadence_fraction": 1,
    "x_cadence_note": "Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/ace/mag/level_2_cdaweb/mfi_h0/1997/ac_h0_mfi_19970902_v04.cdf. The most common cadence, 16000 [ms] = PT16S, occurred for all 5399 timesteps.",
    "maxRequestDuration": "PT4319200S",
    "resourceURL": "https://cdaweb.gsfc.nasa.gov/misc/NotesA.html#AC_H0_MFI",
    "contact": "N. Ness @ Bartol Research Institute",
    "resourceID": "https://doi.org/10.48322/e0dc-0h53",
    "additionalMetadata": {
        "name": "SPASE",
        "contentURL": "https://spase-metadata.org/NASA/NumericalData/ACE/MAG/L2/PT16S.html"
    },
    "parameters": [
        {
            "name": "Time",
            "type": "isotime",
            "units": "UTC",
            "length": 24,
            "fill": null,
            "x_description": "Time, beginning of interval",
            "x_cdf_NAME": "Epoch",
            "x_cdf_DataType": "CDF_EPOCH"
        },
        {
            "name": "Magnitude",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "B-field magnitude",
            "fill": "-1.0E31",
            "units": "nT",
            "x_label": "<|B|>",
            "x_format": ".3f",
            "x_fractionDigits": "3",
            "x_cdf_FORMAT": "F8.3",
            "x_cdf_FIELDNAM": "B-field magnitude",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch"
        },
        {
            "name": "BGSEc",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "Magnetic Field Vector in GSE Cartesian coordinates (16 sec)",
            "fill": "-1.0E31",
            "units": "nT",
            "x_label": [
                "Bx GSE",
                "By GSE",
                "Bz GSE"
            ],
            "x_format": ".3f",
            "x_fractionDigits": "3",
            "x_cdf_FORMAT": "F9.3",
            "x_cdf_FIELDNAM": "Mag Field vector, GSE coord",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch",
            "size": [3]
        },
        {
            "name": "BGSM",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "Magnetic field vector in GSM coordinates (16 sec)",
            "fill": "-1.0E31",
            "units": "nT",
            "x_label": [
                "Bx (GSM)",
                "By (GSM)",
                "Bz (GSM)"
            ],
            "x_format": ".3e",
            "x_fractionDigits": "3",
            "x_cdf_FORMAT": "E9.3",
            "x_cdf_FIELDNAM": "Mag field vector, GSM coord",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch",
            "size": [3]
        },
        {
            "name": "dBrms",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "RMS of Magnetic Field (16 sec period)",
            "fill": "-1.0E31",
            "units": "nT",
            "x_label": "dBrms",
            "x_format": ".3f",
            "x_fractionDigits": "3",
            "x_cdf_FORMAT": "F8.3",
            "x_cdf_FIELDNAM": "RMS of B (16 sec)",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch"
        },
        {
            "name": "SC_pos_GSE",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "ACE s/c position, 3 comp. in GSE coord.",
            "fill": "-1.0E31",
            "units": "km",
            "x_label": [
                "ACE X-GSE",
                "ACE Y-GSE",
                "ACE Z-GSE"
            ],
            "x_format": ".1f",
            "x_fractionDigits": "1",
            "x_cdf_FORMAT": "f9.1",
            "x_cdf_FIELDNAM": "S/C position in GSE",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch",
            "size": [3]
        },
        {
            "name": "SC_pos_GSM",
            "type": "double",
            "x_cdf_DataType": "CDF_REAL4",
            "description": "ACE s/c position, 3 comp. in GSM coord.",
            "fill": "-1.0E31",
            "units": "km",
            "x_label": [
                "ACE X-GSM",
                "ACE Y-GSM",
                "ACE Z-GSM"
            ],
            "x_format": ".1f",
            "x_fractionDigits": "1",
            "x_cdf_FORMAT": "f9.1",
            "x_cdf_FIELDNAM": "S/C position in GSM",
            "x_cdf_DISPLAY_TYPE": "default_dimension",
            "x_cdf_DEPEND_0": "Epoch",
            "size": [3]
        }
    ],
    "x_info_author": "bw",
    "x_cdaweb_hapi_version": "20260130.0606",
    "x_info_caching": false,
    "status": {
        "code": 1200,
        "message": "OK"
    },
    "HAPI": "3.2"
}