Fig. 8From: Retrieval of temperature profiles using radio acoustic sounding system (RASS) with the equatorial atmosphere radar (EAR) in West Sumatra, IndonesiaCross sections of the ray-tracing results with an azimuth angle of 60°, assuming the background wind velocity profiles shown in Fig. 7, for the acoustic source located in the center of the EAR antenna (top panel) and the speakers located 50 m away from the antenna center toward east (bottom panel)Back to article page