The earliest use of Submarine Sonar was by the British Royal Navy. In 1915, 10 British H class submarines were equipped with the first passive sonar system, known as a Fessenden Oscillator. The FO was able to detect a target, but could not establish a bearing, which is critical to target tracking. Further research into Hydrophone and Transducer technology eventually led to active and passive sonar systems, though those old systems were extremely basic by today's modern sonar standards.
However, little has changed except for the bells and whistles on modern systems. Submarine Sonar, like then, still use Transducers and Hydrophones for operation. The only thing that has changed is how the information is processed and displayed to the operator.
The Oceans haven't changed much either.
sonar hydrophones
Sonar was used to detect and hunt submarines in WW2
sonar was discorvered in 1840 the early sientist Sarah Nolsoc. but first used by Samantha Layor
It is used for detecting submarines under water.
Sonar is used to detect other vessels or ships/submarines through a tube-like device> Andrea
In 1915, Paul Langévin invented the first sonar type device for detecting submarines called an "echo location to detect submarines" using the piezoelectric properties of the quartz.
Yes sonar can be used at periscope depth. Surface ships also have sonar arrays on them. They are usually used to detect submarines.
The answer is ASDIC
They were used by submarines to navigate when not in open waters, They were also used by submarines and anti-submarine ships to locate enemy submarines.
Sonar
Sonar was used widely in World War II in an effort to locate enemy submarines. It wasn't as sophisticated as it is today, but it did help. Actual numbers are difficult to come by, but sonar was effective in the successful attacks on several submarines.
Sonar (SOund NAvigation and Ranging) is used to find objects. Sonar is used to find ships, submarines, mines, and other objects in the Navy. Sonar is used in Medicine to find unusual tumors, organs, and cells. Sonar is used in Geology to find minerals, oil, rock formationsn, and water .