Title :
A nation-wide frequency-modulated telegraph network
Author :
Bramhall, F. B. ; Smith, L. A.
Author_Institution :
Western Union Telegraph Company New York, N. Y.
fDate :
4/1/1951 12:00:00 AM
Abstract :
The object of this article is to report on the success achieved in operating the only large frequency-modulated telegraph network. Years of experience with thousands of frequency-modulated telegraph channels have demonstrated that they may be operated in long tandem chains with excellent continuity of service.
Keywords :
Cities and towns; Frequency modulation; IEEE transactions; Relays; Switches; Switching circuits; Wires;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1951.6437385
