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  • Solar Flare

    12/20/2013 | The K7RA Solar Update

    Geomagnetic activity is relatively stable, with a forecast decline in solar flux
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  • Solar Flare

    12/13/2013 | The K7RA Solar Update

    Geomagnetc activity may rise in the coming days
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  • Solar Flare

    12/02/2013 | The K7RA Solar Update

    A post-Thanksgiving summary
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  • latest092812.jpg

    09/28/2012 | The K7RA Solar Update

    The average daily sunspot numbers rose this week from 56 to 81.3, while the average daily solar flux increased from 101.4 to 129.7.
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  • latest011212

    01/13/2012 | The K7RA Solar Update

    The average daily sunspot numbers were up this week by a tiny bit, from 88.1 to 90.6, while the average daily solar flux was down slightly, from 136.2 to 134.9. Sunspot numbers for January 5-11 were 99, 118, 110, 90, 90, 63 and 64, with a mean of 90.6. Th
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  • latest092911

    09/30/2011 | The K7RA Solar Update

    Our Sun has been very active this past week, with the average solar flux rising nearly 12 points to 155.5, while the average daily sunspot numbers dropped nearly 41 points to 96.1. This implies fewer, but more intense, sunspots. Sunspot numbers for Septem
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  • latest060211

    06/03/2011 | The K7RA Solar Update

    Sunspot activity is up sharply this week, with the average daily sunspot number increasing more than 55 points to 89.9, while the average solar flux rose nearly 20 points to 103.1. Sunspot numbers for May 26-June 1 were 40, 65, 91, 89, 105, 132 and 107, w
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  • latest022411.jpg

    02/25/2011 | The K7RA Solar Update

    The average solar flux was nearly unchanged this week, up just 0.3 point to 103.8, while the average daily sunspot number was down 4.9 points to 65. Sunspot groups 1161 and 1162 -- which brought so much activity last week -- have now rotated across our Su
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