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11/02/2012 | The K7RA Solar Update

Solar activity quieted this week, with the average daily sunspot numbers down nearly 37 points to 58.4 and the average daily solar flux declining 27 points to 116.9.
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03/13/2012 | The ARRL Homebrew Challenge III -- And the Winner Is…

The previous ARRL Homebrew Challenges have been to build a 5 W PEP 40 meter sideband and CW transceiver (Homebrew Challenge I) and then a 50 W linear amplifier to follow it (Homebrew Challenge II). This third challenge moved up the spectrum into frequenci
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09/29/2011 | The Deadline for the Third ARRL Homebrew Challenge Is Approaching

The ARRL has sponsored two Homebrew Challenges in the past, designed to test our members’ design and construction skills by making useful amateur gear at low cost -- and sharing their results with our members. Our first ARRL Homebrew Challenge, announced
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06/22/2011 | What Are You Building for the Third ARRL Homebrew Challenge?

The ARRL has sponsored two Homebrew Challenges in the past, designed to test our members’ design and construction skills by making useful amateur gear at low cost -- and sharing their results with our members. Our first ARRL Homebrew Challenge, announced
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12/24/2009 | ARRL Announces KF2YN's ARRL Antenna Designer's Notebook

Radio amateurs are making true advances in the state of the art through antenna experimentation. The most effective effort begins with an idea -- and that idea is developed into a workable antenna design. Aided by personal computers and antenna modeling s
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12/01/2009 | From One End of HF to the Other: The ARRL 160 Meter and 10 Meter Contests

Both MF and HF offer a lot of breathing room for all interests in Amateur Radio. As the 2009-2010 Contest Season continues, two single-band events in December will highlight the magic of the opposite ends of the shortwave spectrum: the ARRL 160 Meter Cont
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06/04/2008 | I Love Field Day

Tale of a doctor who really knows how to operate.
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