Fig. 2From: Wire Probe Antenna (WPT) and Electric Field Detector (EFD) of Plasma Wave Experiment (PWE) aboard the Arase satellite: specifications and initial evaluation results[Modified from Fig. 1 of Kasahara et al. (2017)]ERG spacecraft and PWE WPT-S sensors. a External view and b the view from the solar direction (Z). The definitions of two spacecraft coordinates, SGA and SSI, are indicated. The direction of the spacecraft spin rotation (usual: ~ 1/8 Hz) is also shown. Back to article page