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04/11/2011 | Amateur Radio Quiz: Uda Thunk It?
The Yagi-Uda array, best known as “the Yagi,” is in its ninth decade of wireless service. Arguably the most useful antenna design ever devised beyond the dipole, Yagis are found everywhere in Amateur Radio -- from the low HF bands to microwaves. Why not s
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04/07/2010 | Moonbounce for Everyone -- Courtesy of the Arecibo Radio Telescope!
Sending Amateur Radio signals to the Moon and back has never been easy. After roundtrip journeys of nearly half a million miles, even the most powerful signals generated by hams are exquisitely weak on arrival. Because of the equipment and expertise neces
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Feature
03/02/2009 | Amateur Radio Quiz: The Yagi AntennaIt’s a rare ham, indeed, that has not been exposed to the Yagi antenna design at one point or another in his or her ham career. Yagis are nearly everywhere -- from fantastically large wire arrays on the HF low bands to miniature metal sculptures at
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