The sonar room is dominated by sonar consoles. Two modes of sonar observation are used. In the "active" mode, the echoes of sound waves sent out from the sub are timed and analyzed. In the passive ...

"Background noise in the operating room can impair surgical team communication." ScienceDaily. ScienceDaily, 10 May 2013. <www.sciencedaily.com / releases / 2013 / 05 / 130510124558.htm>.

Sonar 2087 equips eight RN Type 23 frigates. Pictured here is the sonar room of HMS Westminster – the sonar director is nearest to the camera, with the four dual-screen sonar operator consoles ...

BEIJING (AP) — Australia has accused the Chinese navy of likely causing minor injuries to Australian naval divers by operating its sonar while they were trying to clear fishing nets from their ...

Australia’s leader criticizes China over its warship’s use of sonar that injured a naval diver ...

BEIJING (AP) — Australia has accused the Chinese navy of likely causing minor injuries to Australian naval divers by operating its sonar while they were trying to clear fishing nets from their ...