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  • Solar Flare

    12/02/2013 | The K7RA Solar Update

    A post-Thanksgiving summary
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  • Solar Flare

    10/18/2013 | The K7RA Solar Update

    Solar activity has increased significantly.
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  • latest070612

    07/06/2012 | The K7RA Solar Update

    Solar activity jumped way up this week, with the average daily sunspot numbers increasing by nearly 92 points to 118.1, while the average daily solar flux rose to 138.5 from 92.8 the week before.
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  • latest062812

    06/29/2012 | The K7RA Solar Update

    Sunspot activity continued to drop until early this week: The average daily sunspot numbers were 26.3, down more than 58 points from last week’s numbers, while the average daily solar flux declined to 92.8, down over 33 points from last week’s average.
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  • latest050412

    05/04/2012 | The K7RA Solar Update

    The average daily sunspot numbers declined 38 points to 106.7 this week, while the average daily solar flux declined nearly 18 points to 116.2. Sunspot numbers for April 26-May 2 were 117, 99, 118, 114, 104, 99 and 96, with a mean of 106.7. The 10.7 cm fl
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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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