{"HAPI": "3.0", "status": {"code": 1200, "message": "OK"}, "x_dataset": "SW_OPER_ULFAMAG_2F:event", "x_datasetType": "SW_ULFxMAG_2F:event", "startDate": "2013-11-26T00:00:00Z", "stopDate": "2024-12-31T23:59:59.999999Z", "cadence": "PT1M", "x_maxTimeSelection": "P300D", "modificationDate": "2025-04-28T13:45:12.519Z", "description": "Swarm A Ultra Low Frequency (ULF) wave characterisation from low resolution vector magnetometer data", "x_dataTerms": "This dataset is provided by the European Space Agency and it is subject to terms condition described in https://vires.services/data_terms.", "resourceURL": "https://swarmhandbook.earth.esa.int/catalogue/SW_ULFxMAG_2F", "parameters": [{"name": "Timestamp", "description": "Time of observation ffor ID event points, UTC", "units": "UTC", "type": "isotime", "length": 24, "x_standard": "UTC", "x_epoch": "1970-01-01T00:00:00Z", "x_unit": "ms", "x_type": "int64", "fill": null}, {"name": "Latitude", "description": "Position in ITRF - Geocentric latitude for ID event points", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "Longitude", "description": "Position in ITRF - Geocentric longitude for ID event points", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "Radius", "description": "Position in ITRF - Geocentric radius for ID event points", "units": "m", "type": "double", "x_type": "float64", "fill": null}, {"name": "Latitude_QD", "description": "Quasi-dipole latitude for ID event points", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "Longitude_QD", "description": "Quasi-dipole longitude for ID event points", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "MLT_QD", "description": "Magnetic Local Time for ID event points", "units": "hr", "type": "double", "x_type": "float64", "fill": null}, {"name": "SZA", "description": "Solar zenith angle for ID event points", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "ID", "description": "Event identifier", "units": null, "type": "integer", "x_type": "uint8", "fill": null}, {"name": "ORB", "description": "Orbit number for ID event points", "units": null, "type": "integer", "x_type": "uint32", "fill": null}, {"name": "DIR", "description": "Flight direction for ID event points", "units": null, "type": "integer", "x_type": "int8", "fill": null}, {"name": "Frequency", "description": "Instantaneous frequency for ID event points", "units": "mHz", "type": "double", "x_type": "float64", "fill": null}, {"name": "Halfwidth", "description": "Instantaneous spectral peak half width for ID event points", "units": "mHz", "type": "double", "x_type": "float64", "fill": null}, {"name": "Power", "description": "Instantaneous  power for ID event points", "units": "log(nT^2)", "type": "double", "x_type": "float64", "fill": null}, {"name": "Prominence", "description": "Instantaneous prominence for ID event points", "units": null, "type": "double", "x_type": "float64", "fill": null}, {"name": "EPB", "description": "Instantaneous plasma bubble indicator for ID event points", "units": null, "type": "integer", "x_type": "int8", "fill": null}, {"name": "FAC", "description": "Instantaneous rms FAC intensity for ID event points", "units": "uA/m^2", "type": "double", "x_type": "float64", "fill": null}, {"name": "Flag_B", "description": "Instantaneous Flag B from MAGx_LR L1b product", "units": null, "type": "integer", "x_type": "uint8", "fill": null}, {"name": "Quality", "description": "Instantaneous Quality for ID event points", "units": null, "type": "integer", "x_type": "int8", "fill": null}]}