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07/31/2015 | The K7RA Solar Update
Solar activity currently remains in the doldrums
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06/07/2013 | The K7RA Solar Update
The K7RA Solar Update
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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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