Fig. 4From: Effects of pre-reversal enhancement of E × B drift on the latitudinal extension of plasma bubble in Southeast AsiaRelations between maximum latitudes of scintillation for group 2 and a peak h’F, b maximum upward E × B drift, c duration of PRE and d the integral of upward E × B drift. Data for group 2 were obtained from the Bac Lieu ionosonde and the GPS receivers at Pontianak and BandungBack to article page