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 ...

Sonar technicians are able to look at the sound waves and identify their source with extreme accuracy. Constantly watching the screen for a "contact," a sound pattern other than background noise ...

Researchers at Stanford University have developed a new type of sonar to overcome the previously ... of picking out the signal from the background noise. Because the CMUTs are tuned to resonate ...

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 ...