Fig. 9From: Retrieval of temperature profiles using radio acoustic sounding system (RASS) with the equatorial atmosphere radar (EAR) in West Sumatra, IndonesiaTime variations of the RASS echo power at 1.64 km (black), 4.48 km (blue), and 7.92 km (red) from 14:22 to 15:24 LT on May 31, 2016. Operation of the speakers was changed at the timing of the vertical dashed lines (see text)Back to article page