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Table 3 Content of CryoSat-2 magnetic data product

From: Magnetic observations from CryoSat-2: calibration and processing of satellite platform magnetometer data

ElementContentsUnits
TimestampTime of observationCDF_EPOCH
LatitudeLatitude of observation in the International Terrestrial Reference Frame (ITRF)degree
LongitudeLongitude of observation in the ITRFdegree
RadiusRadius of observation in ITRFm
B_FGM1Magnetic field vector in the instrument frame of the FGM1 magnetometernT
B_FGM2Magnetic field vector in the instrument frame of the FGM2 magnetometernT
B_FGM3Magnetic field vector in the instrument frame of the FGM3 magnetometernT
B_NEC1Magnetic field vector in the NEC (North, East, Center) frame based on FGM1 datanT
B_NEC2Magnetic field vector in the NEC (North, East, Center) frame based on FGM2 datanT
B_NEC3Magnetic field vector in the NEC (North, East, Center) frame based on FGM3 datanT
B_NECMagnetic field vector in the NEC (North, East, Center) frame, 5-sample (i.e. 20 s) robust running average of data from up to 3 FGMs (only for q_error\(< 30\))nT
FMagnetic field intensity determined from B_NECnT
B_mod_NECModel magnetic field vector in the NEC (North, East, Center) frame based on CHAOS-6 geomagnetic field modelnT
q_NEC_CRFRotation from NEC frame to STR Common Reference Frame (CRF), quaternion (NEC \(\leftarrow \) CRF)
q_errorError estimate on attitude informationArcsecs