Fig. 1From: Solar and lunar daily geomagnetic variations and their equivalent current systems observed by SwarmFrom top to bottom, daily \(F_{10.7}\) index, monthly percent occurrence rate of geomagnetically quiet time (Hp30\(\le\)2\(^{+}\)), altitudes of Swarm A (blue) and B (red), local solar time of Swarm A and B over the equator for ascending (solid line) and descending (dashed line) orbitsBack to article page