The WLW 500-Kilowatt Broadcast Transmitter

In this paper the design, installation and, performance of the highest power broadcast station at present in America is described. Considerations underlying WLW's decision to increase power are mentioned. The station is unique in a number of respects, the most outstanding being the high level c...

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Bibliographic Details
Published in:Proceedings of the Institute of Radio Engineers 1934-10, Vol.22 (10), p.1151-1180
Main Authors: Chambers, J.A., Jones, L.F., Fyler, G.W., Williamson, R.H., Leach, E.A., Hutcheson, J. A.
Format: Article
Language:English
Subjects:
Distributed parameter circuits
High power amplifiers
Maintenance engineering
Power engineering and energy
Power transmission lines
Radio broadcasting
Radio transmitters
Receivers
Transmitting antennas
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Summary:In this paper the design, installation and, performance of the highest power broadcast station at present in America is described. Considerations underlying WLW's decision to increase power are mentioned. The station is unique in a number of respects, the most outstanding being the high level class B modulator producing audio-frequency outputs of 350 killowatts, the "isolation" operation of the control circuit, and the concentric transmission line. The vertical radiator is pictured and data are presented comparing its performance to that of a standard T antenna immediately adjacent. The more important performance characteristics of the transmitter and antenna are given.
ISSN:0731-5996
2162-6626
DOI:10.1109/JRPROC.1934.226681