sonar Synonyms

asdic echolocation echo sounder sonic depth finder car alarm depth finder homing device soundman beeping depth sounder echosounder fathometer echo-location system sounding device scanning system car warning device sonars direction finding consolan viewfinder telescopic sight dolphin facility echo sounding bombsight chronometer chirper buzzer blow beam bathometer batting alert detector finder beeper gunsight celestial navigation astronavigation radar sounder sight periscope alarm