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  • sunspot082710

    08/27/2010 | The K7RA Solar Update

    This week, we saw three days -- August 21-23 -- with no sunspots, and the average daily sunspot numbers for the week -- August 19-25 -- declined over 28 points to 8, compared to the previous week. The average daily solar flux was down more than 8 points t
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  • Sunspot072910

    07/30/2010 | The K7RA Solar Update

    Sunspot activity increased again this week, but on Tuesday and Wednesday -- July 27-28 -- a stiff solar wind increased Earth’s geomagnetic activity, which is a negative for HF propagation. Sunspot numbers for July 22-28 were 39, 45, 41, 39, 39, 15 and 31,
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  • Sunspot052810

    05/28/2010 | The K7RA Solar Update

    This weekend is the CQ WPX CW Contest and conditions may be a little rough. Our current sunspot group 1072 has reached the Sun’s western horizon and is shrinking, and to top it all off, what looked like a possible emerging spot on Wednesday was not to be.
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