{ "HAPI": "3.2", "x_description": "The 3DX dataset contains FULL resolution three dimensional electron distributions, collected in HAR mode.", "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": [ 16 ] }, { "type": "double", "name": "Sweep_Energy_DeltaLower", "description": "Actual Lower Energy Edge of bin = Sweep_Energy - 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