Antenna Systems for Multichannel Mobile Telephony

This paper describes an arrangement whereby several antennas may be mounted on a single mast at the transmitting site of a multichannel system operating in the 152-162-megacycle band. The antennas are so disposed as to minimize shadowing effect of the mounting structure, while keeping intertransmitt...

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Bibliographic Details
Published in:Proceedings of the IRE 1950-11, Vol.38 (11), p.1324-1329
Main Authors: Babcock, W.C., Nylund, H.W.
Format: Article
Language:English
Subjects:
Antenna measurements
Electric variables
Electric variables measurement
Frequency measurement
Mobile antennas
Shadow mapping
Steel
Telephony
Testing
Transmitting antennas
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Description
Summary:This paper describes an arrangement whereby several antennas may be mounted on a single mast at the transmitting site of a multichannel system operating in the 152-162-megacycle band. The antennas are so disposed as to minimize shadowing effect of the mounting structure, while keeping intertransmitter coupling to a tolerable minimum. Measurements of the electrical characteristics are presented for arrangements of 6 antennas mounted on a 62-foot steel mast. These measurements on a full-scale structure are supplemented by tests at a higher frequency on reduced-scale, simplified models.
ISSN:0096-8390
2162-6634
DOI:10.1109/JRPROC.1950.234423