Fig. 1From: First in-orbit results of the vector magnetic field measurement of the High Precision Magnetometer onboard the China Seismo-Electromagnetic SatellitePictures of the HPM subunits. a DCU (Digital Control Unit, middle two layers) with the two FGMs (bottom) and CDSM readout electronics on top; b two FGM sensors; c CDSM sensorBack to article page