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    08/24/2012 | The K7RA Solar Update

    Weak solar activity continues: The average daily sunspot numbers for the seven days of August 16-22 were down 23 points -- 30 percent -- to 54.6, while the average daily solar flux dropped a little over 16 percent -- 18.7 points -- to 96.
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  • Sunspot081910

    08/20/2010 | The K7RA Solar Update

    Thanks so much to Tomas Hood, NW7US, who wrote last week’s bulletin while K7RA was in California at dance camp. Tomas writes the weekly propagation column for CQ magazine, and he has an excellent Web site devoted to propagation. Tomas mentioned that the A
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