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11/02/2012 | The K7RA Solar Update
Solar activity quieted this week, with the average daily sunspot numbers down nearly 37 points to 58.4 and the average daily solar flux declining 27 points to 116.9.
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10/12/2012 | The K7RA Solar Update
There was another decline in sunspot activity this week, but based on activity over the past few days, combined with the projected solar flux values, it is making a steady recovery.
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10/05/2012 | The K7RA Solar Update
A coronal mass ejection (CME) hit the Earth on September 30, triggering a jump in geomagnetic indices. The planetary A index on October 1 was 31, and the K index jumped to 7, making aurora visible across the northern tier of the United States.
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01/27/2012 | The K7RA Solar Update
This was another week where average daily sunspot numbers declined, while average daily solar flux increased. Sunspot numbers for January 19-25 were 117, 88, 102, 103, 108, 105 and 68, with a mean of 98.7. The 10.7 cm flux was 157, 141.2, 141.6, 141, 144.
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01/06/2012 | The K7RA Solar Update
We’re continuing to see good conditions, although sunspot activity has declined a bit. The average daily sunspot numbers for December 29-January 4 declined nearly 20 points (when compared to the previous seven days) to 88.1; this is the lowest reported we
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12/30/2011 | The K7RA Solar Update
The average daily sunspot numbers were up over the past week, 12.3 points -- or about 13 percent -- to 107.6. Likewise, the average daily solar flux rose 14.2 points -- or 11 percent -- to 143.1. Sunspot numbers for December 22-28 were 105, 123, 101, 66,
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09/23/2011 | The K7RA Solar Update
Compared to the uneventful past few years, sunspot activity was truly remarkable this week. The daily sunspot number for September 16 was 173. We haven't see numbers like this in more than six years, when the sunspot number was 181, way back on July 5, 20
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08/09/2011 | Solar Explosions Could Impact Earth
The National Oceanic and Atmospheric Administration (NOAA) is keeping an eye on a set of solar storms and explosions that could disrupt satellite, telecommunications and electric equipment here on Earth in the next few days. While activity had reportedly
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