{
  "HAPI": "3.2",
  "x_description": "Transforms to a field-aligned coordinate (FAC) system defined as: R_parallel_z aligned with the background magnetic field R_perp_y defined by R_parallel cross the position vector of the spacecraft (nominally eastward at the equator); R_perp_x defined by R_perp_y cross R_par.  This dataset was generated as part of the MAARBLE (Monitoring, Analyzing and Assessing Radiation Belt Energization and Loss) collaborative research project which has received funding from the European Community's Seventh Framework Programme (FP7-SPACE-2011-1) under grant agreement n. 284520.  The contacts for the MAARBLE project are Ioannis A. Daglis, National Observatory of Athens Yuri Khotyaintsev, Swedish Institute of Space Physics Ondrej Santolik, Institute of Atmospheric Physics of the Academy of Sciences of the Czech Republic Sebastien Bourdarie, ONERA Richard B. Horne, The British Antarctic Survey Ian R. Mann, The University of Alberta Drew Turner, UCLA",
  "cadence": "PT60.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "Time",
      "description": "time tag",
      "label": "Universal Time",
      "length": 24,
      "fill": null
    },
    {
      "type": "double",
      "name": "DSL2FAC",
      "description": "Transformation from DSL to FAC coordinate system",
      "label": "Rot Matrix from DSL to FAC",
      "units": null,
      "fill": "-999.",
      "size": [
        3,
        3
      ]
    },
    {
      "type": "double",
      "name": "sc_pos_xyz_GSE",
      "description": "Spacecraft position",
      "label": "Spacecraft position",
      "units": "km",
      "fill": "-1000000000.000",
      "size": [
        3
      ]
    }
  ],
  "startDate": "2007-01-01T00:00Z",
  "stopDate": "2009-01-01T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=CC_CP_AUX_MAARBLE_G11_ULF_FACMATR&FORCEPACK=false",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=CC_CP_AUX_MAARBLE_G11_ULF_FACMATR&START_DATE=2009-01-01T00:00Z&END_DATE=2009-01-01T00:00Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:13:00Z"
}