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  • Friday, December 30, 2011

    The K7RA Solar Update

    The average daily sunspot numbers were up over the past week, 12.3 points -- or about 13 percent -- to 107.6. Likewise, the average daily solar flux rose 14.2 points -- or 11 percent -- to 143.1. Sunspot numbers for December 22-28 were 105, 123, 101, 66, 110, 126 and 122, with a mean of 107.6. The 10.7 cm flux was 145.8, 138.2, 142.8, 144.3, 145.6, 140.3 and 144.8, with a mean of 143.1. The est...


    Via ARRL - Read the full Article