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06/07/2016 | Sun is Sunspot Free for Fifth Straight Day

The Solar Influences Data Analysis Center (SIDC) in Belgium is among the sun watchers noting that June 7 marks the fifth day in a row with no visible sunspots.
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11/14/2008 | The K7RA Solar Update

We soon may be talking about a day or two without sunspots as the norm, perhaps when looking at a preceding month -- quite the opposite of noting the few days with sunspots. It seems like a long time ago because of the long strings of spotless days. We sa
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10/24/2008 | The K7RA Solar Update

Visible sunspots continued last week for eight days straight, the longest continuous period of sunspot visibility since the 12 days of March 23April 3 last year. Sunspot numbers for October 16-22 were 24, 11, 0, 0, 0, 0 and 0 with a mean of 5. The 10.7 cm
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03/20/2008 | The K7RA Solar Update

ARRL Headquarters is closed for Good Friday on March 21, so this bulletin is coming out a day early, and on the vernal equinox. We had a few more days with visible sunspots over the past week. Sunspot numbers on March 15-17 were 12, 12 and 11. Over the pa
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