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08/12/2016 | The K7RA Solar Update
A spike in solar activity this week
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09/11/2015 | The K7RA Solar Update
Geomagnetic disturbances to continue
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07/03/2015 | The K7RA Solar Update
Was Field Day propagation really that poor? Maybe not.
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11/28/2014 | The K7RA Solar Update
The K7RA Solar Update from Tad Cook, K7RA, in Seattle, Washington.
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08/30/2013 | The K7RA Solar Update
The weekly propagation bulletin.
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08/16/2013 | The K7RA Solar Update
Mostly quiet geomagnetic conditions
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04/12/2013 | The K7RA Solar Update
Both the average daily sunspot numbers and the solar flux were up this week, with the sunspot numbers rising nearly 57 points to 138.1, and the average daily solar flux up more than 25 points to 138.8. Paired with the average daily planetary A index dropp
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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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