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I found a 50 year old pencil drawn schematic that was done by an Collins
Radio engineer. So....anyone ever use a coax balun as described below? Wind a 3.5 inch diameter with 7 turns of RG-58. Space the turns such that the coil is 4 inches long. Connect the output of an antenna tuner to one of the balanced feedline conductors. At one end of the coax coil connect the braid to the antenna tuner output, and the center connector of the coax to ground. The other end of the coiled coax: connect the center conductor to the other balanced feedline conductor. Connect the braid at that end of the coil to ground. Comments? -Wayne W5GIE /6 |
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