Fig. 5From: Unseasonal development of post-sunset F-region irregularities over Southeast Asia on 28 July 2014: 1. Forcing from above?Range-time-intensity-style plot of ionospheric echoes received from the Sanya ionosonde during 27–29 July 2014. Ionograms collected every 15 min were used to generate this figure. The color scale indicates the number of echoes across all sounding frequenciesBack to article page