If you're unable to view this video, please insert this title link into your browser search box: https://www.youtube.com/watch?v=q4U6KTA55T0. This is post #921 in a continuing series of articles on simple ham radio antennas. This is a nicely-done video tutorial from Alex Razorschchuk (UX5UU) on how to build a simple, effective 20 meter vertical antenna for portable or emergency use. All you need is a sturdy tripod, a telescoping fiberglass fishing pole (6.3 meters/20.66 feet long), 2 wires measuring 5.2 meters/17.56 feet long, a convenient length of RG-58 coaxial cable, and an antenna analyzer to trim for the lowest SWR. Alex also provides SWR curves and other performance tests for his easily made antenna. This antenna would make a good weekend project.
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Aloha es 73 de Russ (KH6JRM).