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05/20/2011 | The K7RA Solar Update
We saw a decline in sunspot activity this week with a 23 point drop in the average daily sunspot numbers and a nearly 9 point decline in the average daily solar flux. These compare, of course, to the numbers for the previous reporting week, which always r
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04/23/2011 | The K7RA Solar Update
Both the average daily sunspot numbers and solar flux were both higher for the week: Sunspot numbers up more than 3 points to 93.1 and the solar flux up by 8 points to 117.2. Geomagnetic activity was a bit lower -- with April 20 the most active day -- aft
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04/08/2011 | The K7RA Solar Update
Our Sun is still quite active, but sunspot numbers are down this week, when compared with the week before. The average daily sunspot numbers were down nearly 34 points to 68.3, while the average daily solar flux declined nearly 3 points to 111.8. But geom
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Feature
03/04/2011 | Surfin’: See Spot SunThis week, Surfin’ now knows why there was a dearth of sunspots for two years.
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02/18/2011 | The K7RA Solar Update
A dramatic surge in solar activity is underway, with a level of sunspot numbers and solar flux not seen since 2005-2006. Tuesday’s sunspot number of 100 has not been equaled or exceeded since April 6, 2006 when it was 105. On Wednesday, the solar flux was
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12/31/2010 | The K7RA Solar Update
There were no sunspots for a full week, December 18-24. Christmas Day saw a return to sunspot activity, so the last two of those spotless days were in the Thursday through Wednesday reporting period in this bulletin, December 23-29. The average daily suns
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12/17/2010 | The K7RA Solar Update
The average daily sunspot numbers for this week declined more than 7 points to 27.6 from the previous week, December 2-8. The solar flux was about the same as last week, with the average up less than a point. Sunspot numbers for December 9-15 were 22, 33,
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11/26/2010 | The K7RA Solar Update
The average daily solar flux declined this week more than 36 points compared to last week, to 24.6. Our reporting week -- which ran until November 24 -- showed the daily sunspot number declining from 40 to 11, but on November 25 the sunspot number rose to
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