{"HAPI": "3.0", "status": {"code": 1200, "message": "OK"}, "x_dataset": "NMS_TD01_MAG0_HR_2:1Hz", "x_datasetType": "NMS_MAGx_HR_2:1Hz", "startDate": "2028-01-01T00:00:00Z", "stopDate": "2028-01-01T00:59:58.999000Z", "cadence": "PT1S", "x_maxTimeSelection": "P5D", "modificationDate": "2026-10-21T22:43:42.789Z", "description": "NanoMagSat E2E simulated magnetic field measurement at 2kHz.", "x_dataTerms": "Proprietary test data - not to be publicly distributed without data owner's permission.", "resourceURL": "https://nanomagsat.fr", "parameters": [{"name": "Timestamp", "description": "Timestamp at 1 Hz (UTC) [CDF_EPOCH]", "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": "Latitude [deg]", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "Longitude", "description": "Longitude [deg]", "units": "deg", "type": "double", "x_type": "float64", "fill": null}, {"name": "Radius", "description": "Radius [m]", "units": "m", "type": "double", "x_type": "float64", "fill": null}, {"name": "dF", "description": "Scalar strayfields at UTC 1 Hz from platform perturbations (induced+remanent) at MAM position [nT]", "units": "nT", "type": "double", "x_type": "float64", "fill": null}, {"name": "dB", "size": [3], "description": "Vector strayfields at 1 Hz from platform perturbations (induced+remanent) at HFM position in HFM frame, B(i,:) = [B_X, B_Y, B_Z] [nT]", "units": "nT", "type": "double", "x_type": "float64", "fill": null}, {"name": "q_NEC_CRF", "size": [4], "description": "CRF (Common Reference Frame) to NEC (North, East, Center) quaternion transformation (same convention as Swarm quaternion, qc v q) [q1_ex, q2_ey, q3_ez, w]. Computed with formula: Q_NEC2CRF = Q_NEC2ITRF_GM * Q_ITRF2ICRF_GM * QEME20002CRF_ISM", "units": null, "type": "double", "x_type": "float64", "fill": null}, {"name": "Flags_q", "description": "Flags characterizing the attitude information (to read as a binary number)", "units": null, "type": "integer", "x_type": "uint8", "fill": null}]}