Underwater telephone

The underwater telephone also known as UQC, AN/WQC-2, or Gertrude was developed by the U.S. Navy in 1945. The UQC underwater telephone is used on all manned submersibles and many Naval surface ships in operation. Voice or an audio tone (morse code) communicated through the UQC are heterodyned to a high pitch for acoustic transmission through water.

单词	Underwater telephone
释义	Underwater telephone 英语百科 Underwater telephone The underwater telephone also known as UQC, AN/WQC-2, or Gertrude was developed by the U.S. Navy in 1945. The UQC underwater telephone is used on all manned submersibles and many Naval surface ships in operation. Voice or an audio tone (morse code) communicated through the UQC are heterodyned to a high pitch for acoustic transmission through water.
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