{
  "HAPI": "3.2",
  "x_description": "This dataset contains spin resolution measurements of the magnetic field vector from the FGM experiment on the Double Star D1 spacecraft in the GSE and ISR2 coordinate systems.",
  "cadence": "PT4.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "Time_tags",
      "description": "Interval centered time tag",
      "label": "Universal Time",
      "length": 24,
      "fill": null
    },
    {
      "type": "double",
      "name": "Half_interval",
      "description": "Half averaging interval length",
      "label": "Half width of averaging interval",
      "units": "s",
      "fill": "-1.000"
    },
    {
      "type": "double",
      "name": "B_vec_xyz_gse",
      "description": "Double Star D1, Magnetic Field Vector, spin resolution in GSE",
      "label": "Magnetic Field Vector, spin resolution in GSE",
      "units": "nT",
      "fill": "-1e30",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "B_vec_xyz_scs",
      "description": "Double Star D1, Magnetic Field Vector, spin resolution in SCS",
      "label": "Magnetic Field Vector, spin resolution in SCS",
      "units": "nT",
      "fill": "-1e30",
      "size": [
        3
      ]
    },
    {
      "type": "double",
      "name": "B_mag",
      "description": "Double Star D1, Magnetic Field Magnitude, spin resolution",
      "label": "Magnetic Field Magnitude, spin resolution",
      "units": "nT",
      "fill": "-1e30"
    },
    {
      "type": "integer",
      "name": "Range",
      "description": "FGM instrument range",
      "label": "Range",
      "units": null,
      "fill": "0"
    },
    {
      "type": "integer",
      "name": "Npnts",
      "description": "Number of points used for the spin average",
      "label": "Number of points",
      "units": null,
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Method",
      "description": "Cleaning method",
      "label": "Method",
      "units": null,
      "fill": "-1",
      "size": [
        2
      ]
    },
    {
      "type": "integer",
      "name": "Quality",
      "description": "Quality factor",
      "label": "Quality factor",
      "units": null,
      "fill": "-1"
    },
    {
      "type": "string",
      "name": "Raw_data_file_version",
      "description": "Raw data file version",
      "label": "Raw data file version",
      "units": null,
      "length": 1,
      "fill": "0"
    }
  ],
  "startDate": "2004-01-03T00:00Z",
  "stopDate": "2007-10-26T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=D1_CP_FGM_SPIN&FORCEPACK=false",
  "sampleStartDate": "2007-09-29T00:00Z",
  "sampleStopDate": "2007-09-29T07:00Z",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=D1_CP_FGM_SPIN&START_DATE=2007-09-29T00:00:00.000Z&END_DATE=2007-09-29T07:00:00.000Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:13:04Z"
}