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03/29/2013 | The K7RA Solar Update
Solar activity was down this week, with the average daily sunspot number at 49.6, less than half last week’s figure. The average daily solar flux dropped 22 points to 97, and geomagnetic activity was quiet also.
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03/01/2013 | The K7RA Solar Update
This past week, there was a decline in the solar and geomagnetic indices: The average daily sunspot number dropped nearly 21 points to 57.7, while the average daily solar flux softened by 4.7 points to 100.9 and the average daily planetary A index declin
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02/08/2013 | The K7RA Solar Update
The average daily sunspot numbers hardly changed from last week and the week prior, but the average daily solar flux bounced back to about the level it was from two weeks ago: The average daily sunspot numbers were down 5 points to 50.7, while the average
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02/01/2013 | The K7RA Solar Update
Both the sunspot numbers and the solar flux barely changed in the past week: The average daily sunspot numbers were 55.7, down slightly from 56.4 the previous week, while the average daily solar flux was 98.7, down from 110.7.
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01/11/2013 | The K7RA Solar Update
After last week’s somewhat downbeat look at sunspot cycles -- current, past and future -- we sure have some great activity to report this week: The average daily sunspot number more than doubled in the past week, rising nearly 93 points to 163.3, while th
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Feature
12/21/2012 | The K7RA Solar UpdateIt is Friday, and the world did not end. To herald this non-event, NASA even produced a wonderful video that explained how the whole thing was a misconception. The Mayan calendar is like an odometer, and when it gets to 999,999, it just roles over to 0 an
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12/07/2012 | The K7RA Solar Update
Solar activity declined again this week, with the average daily sunspot numbers dropping 17.8 points, from 78.9 to 61.1, while the average daily solar flux declined 19.4 points, from 121 to 101.6.
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11/26/2012 | The K7RA Solar Update
In November 16 edition of the Solar Update, we reported that the average daily sunspot number on November 8-14 was 104.9. In the next seven day reporting period -- November 15-21 -- the average was 126.9, making for a nice increase; with solar flux, the a
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