Fig. 3From: On using a double-thin-shell approach and TEC perturbation component to sound night-time mid-latitude E–F couplingSnapshots of TECP maps at E- (a–c) and F-shell (d–f) heights, at various time epochs from 17:00 to 17:30 JST (Japan Standard Time) on 21 May 2010 (day of the year (DOY) 141)Back to article page