DEVELOPMENT AND FABRICATION OF ANTENNA GROUP AN/GRA.
Quarterly progress rept. no. 2, 1 Apr 63-1 July 63
HOFFMAN ELECTRONICS CORP LOS ANGELES CALIF
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Design and development of an efficient antenna system which includes a tunable omnidirectional antenna capable of operating in the frequency range 1.5 to 20 mc, handling 2500 watts of average power, and receiving weak signals, is described in Signal Corps Technical Requirements SCL-5881, dated 13 March 1962. Antenna radiation tests for evaluating the antenna system are described in this report. Evaluation of the counterpoise ground system during high power operation of the antenna is covered. Attenuation and vswr tests of each filter section in the filter assembly are also described. Author