Echoes in Transmission at 450 Megacycles from Land-to-Car Radio Units

1 March 1950

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE

Vol. 38 (3), 255-258
https://doi.org/10.1109/jrproc.1950.230736

Abstract

By the use of short pulses of 450-megacycle carrier, the echoes which appear in transmitting from a land station to a moving car in New York City have been investigated. The results show the multiple-path nature of transmission. Sample pictures of the received pulses are given, and, in addition, a statistical analysis of the multiple-path situation is presented. These results are of use in considering the possibilities of systems employing a wide modulation band.

Keywords

TESTING
TELEPHONY
DELAY
CITIES AND TOWNS
WIDEBAND
FREQUENCY
VISUALIZATION
PULSE MEASUREMENTS
SENIOR MEMBERS
STATISTICAL ANALYSIS

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