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  • Sonar - Wikipedia
    Sonar (sound navigation and ranging or sonic navigation and ranging) [2] is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels [3]
  • ASDIC Sonar - Technical pages - Fighting the U-boats - uboat. net
    ASDIC was the primary underwater detection device used by Allied escorts throughout the war The first versions, crude to say the least, were created near the end of World War One and further developed in the following years by the Royal Navy
  • Anti-Submarine Detection - Juno Beach Centre
    The ASDIC is a sonar system for submarine detection developed by British, French and American scientists during WWI; the name is derived from that of the Anti-Submarine Detection Investigation Committee The ASDIC emits a sound signal at regular time intervals
  • Anti Submarine Detection Investigation Committee – Wikipedia
    ASDIC ist die Abkürzung für Allied oder Anti Submarine Detection Investigation Committee [1], wird aber meist als Bezeichnung für ein von diesem entwickeltes Ortungssystem zum Aufspüren getauchter U-Boote, einen Vorläufer des Sonars, verwendet
  • Anti-Submarine Detection Investigation Committee device | military . . .
    …vessels had the ASDIC (Anti-Submarine Detection Investigation Committee) device to detect submerged U-boats By the spring of 1941, under the guidance of Admiral Karl Dönitz, the U-boat commanders were changing their tactic of individual operation to one of wolf-pack attacks: groups of U-boats, disposed in long lines, would rally…
  • ASDIC - War History
    All Royal Navy destroyers were fitted with ASDIC during the early 1930s This underwater detection device to locate U-boats using sound echoes was refined before and during World War II by British and other anti-Nazi scientists Improved hydrophones had long been able to detect a U-boat’s bearing
  • Boyle Wood Invent ASDIC, which was Later Renamed SONAR
    In 1917, working under the British Board of Invention and Research, Canadian physicists Robert William Boyle and Albert B Wood, produced a prototype active sound detection system
  • ASDIC Definition Meaning - Merriam-Webster
    The meaning of ASDIC is sonar
  • ASDIC
    The Association of Service Drop-In Centres (ASDIC) is the UK’s leading network dedicated to representing and supporting small, independent organisations that deliver essential services to veterans and their families
  • List of British Asdic systems - Wikipedia
    Asdic was the British version of sonar developed at the end of World War I based on the work of French physicist Paul Langevin and Russian engineer M Constantin Chilowsky The system was developed as a means to detect and locate submarines by their reflection of sound waves





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