{
  "HAPI": "3.2",
  "x_description": "This dataset contains all available 3DF data from the PEACE HEEA sensor on the Double Star TC1 spacecraft in LAR mode only. This dataset is NOT summed over polar angle or energy. Including: - The 3DF dataset contains FULL resolution three dimensional electron distribution.  For the 3DX in LAR mode the extent of the data structure (including flyback information) will be 16 azimuths x 12 polar angles x 64 energy bins.",
  "cadence": "PT4.000000S",
  "parameters": [
    {
      "type": "isotime",
      "units": "UTC",
      "name": "time_tags",
      "description": "Epoch Time of PEACE data record (for one PEACE spin)",
      "label": "Data Epoch",
      "length": 24,
      "fill": null
    },
    {
      "type": "double",
      "name": "time_tags_DeltaLower",
      "description": "Actual Lower Epoch Edge = time_tags - time_tags_DeltaLower",
      "label": "Data Epoch Lower Delta",
      "units": "s",
      "fill": "-1"
    },
    {
      "type": "double",
      "name": "time_tags_DeltaUpper",
      "description": "Actual Upper Epoch Edge = time_tags + time_tags_DeltaUpper",
      "label": "Data Epoch Upper Delta",
      "units": "s",
      "fill": "-1"
    },
    {
      "type": "double",
      "name": "Angle_SR2phi",
      "description": "Phi Angle in the SR2 co-ordinate system at the center time of the spin",
      "label": "SR2 phi angle",
      "units": "Degrees",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_SRPOffset",
      "description": "Delay applied to the sun reference pulse in units of spin segment clock pulses",
      "label": "Sunpulse rephase offset",
      "units": "Unitless",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_Sensor",
      "description": "PEACE Sensor from which Data is collected (0 = HEEA, 1 = LEEA)",
      "label": "Sensor (0=HEEA,1=LEEA)",
      "units": "Unitless",
      "x_constant": "0",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_SweepMode",
      "description": "PEACE Sweep Mode ( 0 = Off/Fixed, 1 = LAR, 2 = HAR, 3 = MAR, 4 = LAR-AEAS, 5 = HAR-AEAS, 6 = MAR-AEAS )",
      "label": "Sweep Mode",
      "units": "Unitless",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_Preset",
      "description": "The Energy level aimed for during flyback (always larger than Mode_EnergyLevelRange)",
      "label": "Preset level",
      "units": "Unitless",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_EnergyLevelRange",
      "description": "Sweep Energy Level range: the subset of the 88 energy bins measured (not including flyback)",
      "label": "Sweep Energy Levels",
      "units": "Unitless",
      "fill": "-1",
      "size": [
        2
      ]
    },
    {
      "type": "double",
      "name": "Mode_EnergyMaxMin",
      "description": "The energy range (in eV) of electrons measured in a spin, expressed as Max. then Min.",
      "label": "Energy Range (eV)",
      "units": "eV",
      "fill": "-1",
      "size": [
        2
      ]
    },
    {
      "type": "integer",
      "name": "Mode_DataOrigin",
      "description": "Data Origin (0=3DF)",
      "label": "Data Origin",
      "units": "Unitless",
      "fill": "-1"
    },
    {
      "type": "integer",
      "name": "Mode_MCPlevel",
      "description": "MCP Level: Related to sensor gain (i.e. increase level and gain increases)",
      "label": "MCP Level",
      "units": "Unitless",
      "fill": "-1"
    },
    {
      "type": "double",
      "name": "Sweep_Energy",
      "description": "The representative energy for the accumulation bin.",
      "label": "Center Energy Values",
      "units": "eV",
      "fill": "-1",
      "size": [
        64
      ]
    },
    {
      "type": "double",
      "name": "Sweep_Energy_DeltaLower",
      "description": "Actual Lower Energy Edge of bin = Sweep_Energy - Sweep_Energy_DeltaLower",
      "label": "Lower delta Energy Values",
      "units": "eV",
      "fill": "-1",
      "size": [
        64
      ]
    },
    {
      "type": "double",
      "name": "Sweep_Energy_DeltaUpper",
      "description": "Actual Upper Energy Edge of bin = Sweep_Energy + Sweep_Energy_DeltaUpper",
      "label": "Upper delta Energy Values",
      "units": "eV",
      "fill": "-1",
      "size": [
        64
      ]
    },
    {
      "type": "double",
      "name": "Sweep_Azimuth",
      "description": "Center values of Azimuth sweep that provided the data",
      "label": "Azimuth Scan Values within a spin in the look direction",
      "units": "Degrees",
      "fill": "-1",
      "size": [
        16
      ]
    }
  ],
  "startDate": "2005-02-28T00:00Z",
  "stopDate": "2005-03-08T00:00Z",
  "x_tap_url": "https://csa.esac.esa.int/csa-sl-tap/data?retrieval_type=HEADER&DATASET_ID=D1_CP_PEA_3DXLAR_DPFlux&FORCEPACK=false",
  "x_tap_data_url": "https://csa.esac.esa.int/csa-sl-tap/data?RETRIEVAL_TYPE=product&RETRIEVAL_ACCESS=streamed&DATASET_ID=D1_CP_PEA_3DXLAR_DPFlux&START_DATE=2005-03-08T00:00Z&END_DATE=2005-03-08T00:00Z",
  "status": {
    "code": 1200,
    "message": "OK"
  },
  "x_LastUpdate": "2026-03-30T15:23:08Z"
}