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Here's an interesting, somewhat complex antenna idea for radio amateurs willing to experiment with unusual VHF/UHF antennas. When I was in the USAF, I saw these LPDA arrangements used for the upper HF bands (20 through 10 meters) and for some VHF applications. The LPDA is a broadbanded, unidirectional antenna that is useful for DX and contest events.
Stan Gibilisco (W1GV) has done a good job of explaining the theory, design, construction, and use of this often overlooked antenna. If you can't reach that distant VHF/UHF repeater, try a LPDA.
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Aloha es 73 de Russ (KH6JRM)