. . . . . "accepted"@en . "SDN:L22::TOOL0319" . . . "EA600 echosounder" . "EA600 echosounder"@en . . . "Kongsberg (Simrad) EA600 Echosounder"@en . "The EA600 single beam echosounder operates up to four high power transceivers simultaneously. Available frequencies span from 12 to 710 kHz with a variable power output of up to 2 kW and a 160 dB dynamic range. The EA600 replaced the EA500 in 2000."@en . . .