Wei, Y.; Pu, Z.; Hong, M.; Zong, Q.; Ren, Z.; Fu, S.; Xie, L.; Alex, S.; Cao, X.; Wang, J.; Chu, X.
(2009)
[1] A controversy has risen in the direction of ionospheric electric field perturbation on the dayside caused by substorm expansion phase in recent years, i.e., eastward or westward. To exclude the effect of interplanetary ...