This is an RF Balun Choke which I made for the bottom of my Comet GP-6 antenna. The SWR on the antenna was high at that location. The Choke Balun, which consists of just a few turns of RG-58 coax did the trick. The SWR was flat across both 2 meters and 70cm. Photo taken on Sat, April 28, 2012
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