… Target Strength (TS) is a reflection of the strength of the echo (echo), or decibel measure
of sound intensity returned by the target [12]. This paper was made aiming to analyze the
target surface, pelagic, and bottom waters with EP 500. … In this paper capable of
analyzing a target on the surface and bottom waters with EP 500 and find out about the
echogram readings along with their parts, and as a result there is a difference between the
processing value Sa and Sv, where the value of Sv. …