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This paper describes a new single-sideband radio transmitter for transoceanic service which represents a substantial improvement over past design. Its important features include: (a) a frequency band which permits denrving four telephone channels, if desired; (b) a push-button method for changing frequencies within a matter of seconds; (c) an increase in power over its predecessor; and (d) all-around improved transmission performance.
Klenk et al. (1952) studied this question.