Fig. 8From: Comparison of seasonal and longitudinal variation of daytime MSTID activity using GPS observation and GAIA simulationsAltitude and seasonal variations of the daytime (09:00–15:00 LT) monthly mean standard deviation of (top) meridional wind variations and (middle) electron density variations over the South African (25° S, 27° E) for the year 2011. Bottom panel show daytime time monthly mean TEC and MSTID activity over South Africa in the same periodBack to article page