Fig. 4
From: Observing Earth’s magnetic environment with the GRACE-FO mission

Orbit-wise magnetic residual to CHAOS-7 (core, crustal and large-scale magnetospheric field) in NEC frame for September 2019 for ascending (12 MLT, left) and descending (00 MLT, right) orbits. The red lines correspond to GF1 and blue lines to GF2. Black lines provide mean values at each QDLAT