Timeline created by juniorterrero__
  • When the sonar began to be used.

    When the sonar began to be used.
    19th century Heinrich Rudolf Hertz (inventor)
  • Evolution of sonar.

    Under the British board of invention and research produced a prototype for testing in mind-1917. This work, for the anti-submarine division of the British Naval Staff, was undertaken in utmost secrecy.
  • Use of sonar in American engineers

    During the 1930s American engineers developed their own underwater sound-detection technology, and important discoveries were made, such as thermoclines, that would help future development. during the Second World War, Americans began to use the term SONAR for their systems
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    Use of sonar in world war II

    During World War II, he continued his participation in the development of sonar systems for the detection of submarines, mines, and torpedoes. He published Fundamentals of Sonar in 1957 as Chief Research Consultant at the US Navy Underwater Sound Laboratory. He held this position until 1959
  • answer to Oxford's question

    in response to a question from the Oxford English Dictionary, the Admiralty made up the story that it stood for "Allied Submarine Detection Investigation Committee", and this is still widely believed though no committee bearing this name has been found in the Admiralty archives.
    he British tested their ASDIC on HMS Antrim in 1920 and started production in 1922.
  • Project Artemis

    Project Artemis
    Project Artemis was a one-of-a-kind low-frequency sonar for surveillance that was deployed off Bermuda for several years in the early 1960s. The active portion was deployed from a World War II tanker, and the receiving array was built into a fixed position on an offshore bank.
  • Development of sonar technology

    Development of digital computer technology made plotting of sonar data much easier, but this technology was not available to the civilian scientific community until the U.S. Navy declassified it in the 1970s