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12/19/2014 | The K7RA Solar Update
The Sun made a big comeback
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11/14/2014 | The K7RA Solar Update
The average daily sunspot number was down, while the average daily solar flux rose.
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11/06/2014 | 4M Lunar Flyby Spacecraft, Amateur Radio Payload Still in Earth Orbit; Future Mission Considered
The 4M lunar flyby spacecraft and its Amateur Radio payload remain in Earth orbit.
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01/21/2011 | The K7RA Solar Update
The average daily sunspot numbers dropped from 50 (on the reporting week ending January 5) to 38 on January 6-12, and now 21.3 on January 13-19. Sunspot numbers for January 13-19 were 14, 11, 11, 15, 36, 34 and 28, with a mean of 21.3. The 10.7 cm flux wa
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12/18/2009 | Midwest VHF/UHF Society Frequency Measuring Test
The Midwest VHF/UHF Society frequency measuring test will be held December 28 through 30. The MVUS Frequency Measuring Test is intended to supplement, not replace, the ARRL frequency measuring test. The test will begin at 1500 UTC on Monday, December 28 a
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08/28/2009 | The K7RA Solar Update
Sunspot numbers for August 20-26 were 0, 0, 0, 0, 0, 0 and 0 with a mean of 0. The 10.7 cm flux was 67.6, 66.4, 66.6, 67.3, 67.6, 67.1 and 67.3 with a mean of 67.1. The estimated planetary A indices were 11, 8, 5, 5, 3, 3 and 4 with a mean of 5.6. The est
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Feature
01/30/2009 | The Force 12 C-3S Yagi -- A 17 Meter ModificationUsing a linear resonator to add 17 meters to the CS-3S.
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