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  • latest053112

    06/01/2012 | The K7RA Solar Update

    The average daily sunspot numbers sank more than 28 points this week (nearly 26 percent) to 81.9, while the average daily solar flux declined more than 16 points to 111.6. This is for the seven days of May 24-30, and is compared to the previous seven days
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  • latest100611

    10/07/2011 | The K7RA Solar Update

    Sunspot excitement continues, as we continue to see daily images of our Sun peppered with spots. The average daily sunspot numbers for the week were about the same as the previous week, increasing from 96.1 to 96.7, while the average daily solar flux drop
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  • latest063011

    07/01/2011 | The K7RA Solar Update

    The predicted Field Day geomagnetic storm never appeared, although conditions were unsettled leading up to last weekend. The average daily sunspot numbers for the week were down 13 points compared to the previous week, while the average daily solar flux w
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  • latest033111.jpg

    04/01/2011 | The K7RA Solar Update

    The activity we could see recently on our Sun’s far side -- thanks to the STEREO mission -- has been rotating into view, producing some nice sunspot activity and the resulting improved upper-HF propagation. Compared to the previous week (March 17-23), the
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  • latest120210.jpg

    12/03/2010 | The K7RA Solar Update

    The average daily sunspot numbers for the week of November 25-December 1 increased only slightly from the previous seven days: 1.3 points to 25.9. Sunspot numbers for November 25-December 1 were 22, 23, 22, 34, 31, 24 and 25, with a mean of 25.9. The 10.7
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  • sunspot123109

    12/31/2009 | The K7RA Solar Update

    Here we are, on the last day of the year, with finally some very positive indicators for Solar Cycle 24. Each day since December 9 (except for Christmas Day), sunspots have been visible. The average daily sunspot numbers for the week December 24-30 were 1
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  • 12/04/2009 | The K7RA Solar Update

    Recent sunspot activity -- which ended on November 22 -- pushed up the moving average we've been tracking for several years. Because we have all the data for November, we now have the most recent 3-month average of daily sunspot numbers, which centers on
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  • 11/06/2009 | The K7RA Solar Update

    In addition to the sunspot group 1029 that graced us from October 23-30, a new Solar Cycle 24 spot -- 1030 -- just emerged on Thursday. It is currently in a maximally geo-effective position (in other words, in the center longitudinal meridian as viewed fr
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