{
  "HAPI": "3.2",
  "x_description": "He+ density (with standard devitation), which is improved/corrected by removing estimated contamination of H+ spillover into the He+ mass channel",
  "cadence": "PT4.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "time_tags",
      "description": "Acquisition interval center time",
      "label": "Center time",
      "fill": null
    },
    {
      "type": "double",
      "name": "duration",
      "description": "Half interval duration",
      "label": "Halt interval duration",
      "units": "s",
      "fill": "0.0"
    },
    {
      "type": "double",
      "name": "density",
      "description": "Density (in cm^-3)",
      "label": "Density",
      "units": "particles cm^-3",
      "fill": "-1e31"
    },
    {
      "type": "double",
      "name": "density-STD",
      "description": "Density Standard Deviation(STD) (in cm^-3)",
      "label": "Density-STD",
      "units": "particles cm^-3",
      "fill": "-1e31"
    }
  ],
  "startDate": "2001-03-01T00:00Z",
  "stopDate": "2007-12-31T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=C4_CP_CIS-CODIF_He1_DENSITY_CORRECTED&FORCEPACK=false",
  "sampleStartDate": "2007-12-30T13:00Z",
  "sampleStopDate": "2007-12-31T00:00Z",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=C4_CP_CIS-CODIF_He1_DENSITY_CORRECTED&START_DATE=2007-12-30T13:00:00.000Z&END_DATE=2007-12-31T00:00:00.000Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-04-12T15:10:17Z"
}