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Fig. 2 | Earth, Planets and Space

Fig. 2

From: Retrieval of temperature profiles using radio acoustic sounding system (RASS) with the equatorial atmosphere radar (EAR) in West Sumatra, Indonesia

Fig. 2

Distribution of the RASS echoing region that satisfies the Bragg condition. The shading depth is changed as a function of the distance between the return point of the RASS echo on the ground and the center of the EAR antenna. The figure shows four levels of the shading for a distance up to 80 m with a step of 20 m. The green line indicates the antenna beam with the zenith angle at 13°

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