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A Microwave Relay System

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1 Author(s)
Thompson, L.E. ; RCA Victor Division, Radio Corporation of America, Camden, New Jersey

A method of double-frequency modulation suitable for long-distance transmission of multichannel signals by means of radio-relay stations is described. Propagation, radio-frequency bandwidth, and radio-frequency power are discussed briefly. The signal-to-noise ratio and distortion of the system are shown by theory and experiment. An experimental circuit between Philadelphia and New York is described and the results are given.

Published in:

Proceedings of the IRE  (Volume:34 ,  Issue: 12 )