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  • August QST Cover

    08/20/2013 | Eric Nichols, KL7AJ, Wins August QST Cover Plaque Award

    The winner of the August QST Cover plaque award is Eric Nichols, KL7AJ, for his article "Don't Blame the Sun!" The QST Cover Plaque Award -- given to the author or authors of the most popular article in each issue -- is determined by a vote of ARRL m...
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  • Solar disk 08-06-13

    08/06/2013 | The Sun is About to Flip

    The sun's magnetic fields are about to reverse, scientists say.
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  • March2013QST.jpg

    04/01/2013 | Carl Luetzelschwab, K9LA, Wins March QST Cover Plaque Award

    The winner of the March QST Cover Plaque Award is Carl Luetzelschwab, K9LA for his article “The Sun and the Ionosphere.”
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  • sunspot122409

    12/24/2009 | The K7RA Solar Update

    Many of us are nearly giddy with joy over the recent steady increase in sunspot activity that seems long overdue. Average daily sunspot numbers rose more than 10 points this week compared to last -- from 21.1 to 31.4! The monthly average daily sunspot num
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  • 12/19/2009 | The K7RA Solar Update

    Sunspot activity continued this week; new group 1035 emerged December 14, following group 1034 that appeared December 9. Daily sunspot numbers since December 9 through December 17 have been 13, 13, 13, 12, 14, 28, 38, 30 and 24. Solar flux values have bee
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  • 10/09/2009 | The K7RA Solar Update

    Sweet memories of that 11-day run of sunspots ending on the second day of this month will eventually fade. So far, the number of spotless days is seven -- or perhaps eight by later today -- with the last sunspot seen on October 1. A peek at the latest STE
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  • 06/19/2009 | The K7RA Solar Update

    I bet you have this memorized: "Solar activity was very low throughout the reporting period, and geomagnetic field activity was at quiet levels during most of the reporting period." Enough said? The first sunspot region of Solar Cycle 24 occurre
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  • 05/29/2009 | The K7RA Solar Update

    That was a nice string of days showing a sunspot -- May 13-19 -- a whole week. Then it was gone, but a few days later on May 23, another Solar Cycle 24 sunspot emerged, this time in our Sun's southern hemisphere. But it was another of those phantom spots.
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