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 Telecommunications Object Thesaurus Term

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underwater telephone


Plural:
underwater telephones

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Broader term:


Scope notes:
The underwater telephone also known as UQC or Gertrude was developed by the U.S. Navy after World War II, the UQC underwater telephone is used on all manned submersibles in operation. Voices communicated through the UQC are heterodyned to a high pitch for acoustic transmission through water.



 
 



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