An automatic radiotelegraph translator and transcriber for manually sent morse.
Althoff, William Everett
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The problem of translating and transcribing manual morse automatically had been considered as early as 1958. The construction, evaluation, and subsequent modification of just such a device is considered here. The nature of the problem is discussed including the basic detection problem encountered with manual morse. An explanation of the theory of operation of the device follows with a block diagram and a short description of each block. The third section discusses the tests, evaluation and modifications including operation in the minimum signal to noise ratio and code srjeed tracking capability. Areas for further development are next considered which include an automatic r ecalibr ation scheme and the use of "read only memories" in the decoding section. The conclusions make up the last section which considers the effectiveness, costs and limitations.
Approved for public release; distribution unlimited.
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