"accepted"@en . "SDN:L22::TOOL0857" . "The EK500 is a modular triple frequency scientific echo sounder with a high performance and very accurate receiving system and with independent parallel processing within each of the frequency channels. Furthermore, the Simrad EK500 is the only sounder system which in one compact unit provides: a high performance scientific sounder; an advanced echo integrator, and a target strength analyser (split -beam method)."@en . "Simrad EK500 Fishery Research Echosounder"@en . . . "EK500" . "EK500"@en . . . . . . . . . .