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05/06/2016 | The K7RA Solar Update

A slght increase in solar activity
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03/28/2014 | The K7RA Solar Update

Solar flux average is inching upward
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03/16/2012 | The K7RA Solar Update

The average daily sunspot numbers over the past reporting week (March 8-14) were 88.3, a rise of nearly 19 points; the average daily solar flux rose more than 12 points to 134.2. Sunspot numbers for March 8-14 were 86, 96, 89, 103, 89, 80 and 75, with a m
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02/17/2012 | The K7RA Solar Update

We are more than halfway through the winter season, and today -- February 17 -- is 58 days after the winter solstice. Propagation should improve as we approach the vernal equinox on March 20, which is just 32 days from now. Solar activity is still in the
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03/19/2010 | The K7RA Solar Update

On March 6-9, we got a taste of the bad old days from 2008-2009 when there were frequent stretches of 0 sunspots. After March 9, activity picked up and we hope there is no end in sight to the much-welcome sunspots. This week -- March 11-17 -- the average
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02/27/2009 | The K7RA Solar Update

Excitement mounted a few days ago when new Solar Cycle 24 sunspot 1013 emerged, but two days later it was fading away, similar to other recent sunspot appearances. The sunspot number for February 24-26 was 12, 14 and 12. Today's number will likely be 0. S
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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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