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CU-SRA-33 * DUAL SILVER-PLATED UHF ANTENNA COUPLER CAVITY, part of system which allowed four receiver/transmitters (140 W) to use a single antenna. Each cavity 14.5"Lx6" dia has quarter-wave variable stub (0.2" per turn X 28 turns) over 225-400 Mhz. Input & output loop-coupled; cavities aperture-coupled. Also 8 tracking slugs. Un-loaded Q = 4000, loaded Q 700. Insertion loss 2 DB. (We attached a disk to the moving stub which reduced frequency to below 140 Mhz.) Unit has electro-mechanical drive for 19 preset and one manually selected frequency. With weather-tight aluminum cover. Requires 28 VDC, 6.3 VAC, 115 VAC 60 Hz for motor and chopper. 15x9.5x24, 70 lbs sh. (A3A,D3H) Used w/info,


 
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1 or more   $49.50 each



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