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So you want to make your own CHA-250 or similar antenna.

Discussion in 'Videos and Podcasts' started by K4SDV, Apr 19, 2024.

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  1. K4SDV

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    There is something unique about a vertical with out radials. Some say they work and some say they don't. I know antennas depend on your conditions. What works well for me may not work well for you.

    Let's get back on the topic. This home brew antenna starts with a 5:1 UNUN. Th e kit can be purchased from evilBAY from a ham in France. (eBAY search 5:1 UNUN). It is very easy to assemble, well almost easy to assemble. The hardest part is soldering the PCB to the copper tubes. I used a brazing torch. The rest is pretty easy. The video concentrates on winding the transformer.

    Enjoy.

     

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