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  • latest092012

    09/21/2012 | The K7RA Solar Update

    The average daily sunspot numbers dropped this week, from 83.1 to 56, while the average daily solar flux declined from 118.9 to 101.4. Sunspot numbers for September 13-19 were 44, 44, 53, 77, 51, 61 and 62, with a mean of 56.
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  • latest081612

    08/17/2012 | The K7RA Solar Update

    There was a big drop in solar activity over the past week, with the average daily sunspot numbers declining nearly 42 points to 77.6, and the average daily solar flux down 20 points to 114.7.
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  • latest081012

    08/10/2012 | The K7RA Solar Update

    The average daily sunspot numbers rose more than 20 points this week -- about 20 percent -- to 119.4, while the average daily solar flux was up 3 points to 134.7. Sunspot numbers for August 2-8 were 126, 160, 140, 107, 108, 96 and 99, with a mean of 119.4
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  • latest080312

    08/03/2012 | The K7RA Solar Update

    The average daily sunspot numbers this week were up more than 47 points to 99.3, while the average daily solar flux rose nearly 35 points to 131.7.
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  • latest071212

    07/13/2012 | The K7RA Solar Update

    Solar activity rose moderately this week, with the average daily sunspot numbers up nearly 3 points to 120.9, and the average daily solar flux rising more than 28 points to 166.8. There was quite a bit of geomagnetic activity -- the most happening on July
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  • latest062112

    06/22/2012 | The K7RA Solar Update

    Sunspot numbers seemed to be in a free-fall this week: The average daily sunspot numbers declined more than 29 points to 87, while the average daily solar flux fell 6.2 points to 126.2.
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  • latest051812

    05/18/2012 | The K7RA Solar Update

    The average daily sunspot numbers for the past week rose nearly 25 points, or about 27 percent, to 117.3. The big day was Monday, May 14 when the daily sunspot number jumped to 156. This was the day after four new sunspot groups, numbered 1481 through 148
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  • latest041212

    04/13/2012 | The K7RA Solar Update

    Solar activity took a serious nosedive this week, with the average daily sunspot numbers dropping to a value less than half the previous week’s average -- down nearly 43 points to 32.6. The solar flux values were also off, down nearly 12 points to 95.9. T
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