Fig. 17

TEC maps derived by single-shell model. a–c Vertical TEC for shell heights of 350, 450, and 550 km; and d–f difference between TEC in left panels and two-shell TEC in Fig. 15a with shell height combination of 300 and 600 km
TEC maps derived by single-shell model. a–c Vertical TEC for shell heights of 350, 450, and 550 km; and d–f difference between TEC in left panels and two-shell TEC in Fig. 15a with shell height combination of 300 and 600 km