Fig. 8From: Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 2. Forcing from below?The ∆H variation as a function of universal time on 28 July 2014 (red line) and July monthly average (blue line with error bar) observed by magnetometers over a Addis Ababa, b Tirunelveli, and c Phuket and d the longitudinal variation of ∆H values for 13 UTBack to article page