{
  "HAPI": "3.2",
  "x_description": "This dataset contains count rates of Helium from 8 energy channels, 16 azimuthal sectors and 12 polar directions with only synchronous sectors appearing in any one record (split distributions) observed by the IIMS detector heads of the RAPID instrument onboard Cluster SC2",
  "cadence": "PT128.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "Time_tags",
      "description": "Interval centered time tag",
      "label": "Universal Time",
      "length": 23,
      "fill": null
    },
    {
      "type": "double",
      "name": "Time_half_interval",
      "description": "Time half interval",
      "units": "s",
      "fill": "-1.000"
    },
    {
      "type": "double",
      "name": "Helium_Rate_3D_Acc_time",
      "description": "Effective accumulation time",
      "label": "Accumulation time",
      "units": "s",
      "fill": "-1.000"
    },
    {
      "type": "integer",
      "name": "Rec_Key",
      "description": "Key for split ion distributions: eg '32' means record 2 of 3 records",
      "label": "3D ion record key",
      "units": null,
      "fill": "99"
    },
    {
      "type": "double",
      "name": "Helium_Rate_3D",
      "description": "Helium Count Rates",
      "label": "Helium Count Rates",
      "units": "Particles/s",
      "fill": "-1.000E+31",
      "bins": [
        {
          "name": "Dimension_E__C2_CP_RAP_I3D_He_R",
          "centers": [
            29.91,
            135.4,
            169.7,
            232.5,
            349.2,
            734.8,
            1684,
            3796
          ],
          "units": null
        },
        {
          "name": "Dimension_Az__C2_CP_RAP_I3D_He_R",
          "centers": [
            11.25,
            33.75,
            56.25,
            78.75,
            101.25,
            123.75,
            146.25,
            168.75,
            191.25,
            213.75,
            236.25,
            258.75,
            281.25,
            303.75,
            326.25,
            348.75
          ],
          "units": null
        },
        {
          "name": "Dimension_Pol__C2_CP_RAP_I3D_He_R",
          "centers": [
            7.5,
            22.5,
            37.5,
            52.5,
            67.5,
            82.5,
            97.5,
            112.5,
            127.5,
            142.5,
            157.5,
            172.5
          ],
          "units": null
        }
      ],
      "size": [
        8,
        16,
        12
      ]
    },
    {
      "type": "double",
      "name": "Helium_Rate_3D_SD",
      "description": "Standard Deviation of Helium Count Rates",
      "label": "Std. Dev. Helium Count Rates",
      "units": "Particles/s",
      "fill": "-1.000E+31",
      "bins": [
        {
          "name": "Dimension_E__C2_CP_RAP_I3D_He_R",
          "centers": [
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            135.4,
            169.7,
            232.5,
            349.2,
            734.8,
            1684,
            3796
          ],
          "units": null
        },
        {
          "name": "Dimension_Az__C2_CP_RAP_I3D_He_R",
          "centers": [
            11.25,
            33.75,
            56.25,
            78.75,
            101.25,
            123.75,
            146.25,
            168.75,
            191.25,
            213.75,
            236.25,
            258.75,
            281.25,
            303.75,
            326.25,
            348.75
          ],
          "units": null
        },
        {
          "name": "Dimension_Pol__C2_CP_RAP_I3D_He_R",
          "centers": [
            7.5,
            22.5,
            37.5,
            52.5,
            67.5,
            82.5,
            97.5,
            112.5,
            127.5,
            142.5,
            157.5,
            172.5
          ],
          "units": null
        }
      ],
      "size": [
        8,
        16,
        12
      ]
    },
    {
      "type": "integer",
      "name": "Quality",
      "description": "CSA Data quality: 0 N/A, 2 rates, 3 processed data",
      "label": "Data quality flag",
      "units": null,
      "fill": "-1"
    }
  ],
  "startDate": "2000-12-01T00:00Z",
  "stopDate": "2024-02-02T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=C2_CP_RAP_I3D_He_R&FORCEPACK=false",
  "sampleStartDate": "2022-03-31T10:00Z",
  "sampleStopDate": "2022-03-31T17:00Z",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=C2_CP_RAP_I3D_He_R&START_DATE=2022-03-31T10:00:00.000Z&END_DATE=2022-03-31T17:00:00.000Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:08:40Z"
}