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02/01/2010 | It Seems to Us: Where Are the Spots?Sunspots, that is. Those of us who follow solar activity the way most people follow the weather had expected that by now our Sun would have developed a nice pox. Instead, we seem to be stuck in a trough of low solar activity.
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12/31/2009 | The K7RA Solar Update
Here we are, on the last day of the year, with finally some very positive indicators for Solar Cycle 24. Each day since December 9 (except for Christmas Day), sunspots have been visible. The average daily sunspot numbers for the week December 24-30 were 1
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12/11/2009 | The K7RA Solar Update
Finally! A sunspot appeared on Wednesday, December 9, giving us a daily sunspot number of 13, following 16 days of no sunspots. And on December 10, the sunspot number was 13. The new group is number 1034, and it is a Solar Cycle 24 spot, as all sunspots h
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12/08/2009 | Amateur Radio Quiz: From One End to the OtherAt the bottom of the solar cycle during the month of the winter solstice, there are two contests that span the limits of our MF/HF spectrum. The ARRL 160 Meter Contest ran last weekend and conditions were expected to be excellent. The other is the AR
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12/01/2009 | From One End of HF to the Other: The ARRL 160 Meter and 10 Meter Contests
Both MF and HF offer a lot of breathing room for all interests in Amateur Radio. As the 2009-2010 Contest Season continues, two single-band events in December will highlight the magic of the opposite ends of the shortwave spectrum: the ARRL 160 Meter Cont
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11/25/2009 | The K7RA Solar Update
This edition of the Solar Update will be brief. Since ARRL Headquarters is closed on Thanksgiving Day and the day after, I hope to have another bulletin out Monday morning to catch up with the sunspot, solar flux and geomagnetic data information.
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11/06/2009 | The K7RA Solar Update
In addition to the sunspot group 1029 that graced us from October 23-30, a new Solar Cycle 24 spot -- 1030 -- just emerged on Thursday. It is currently in a maximally geo-effective position (in other words, in the center longitudinal meridian as viewed fr
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10/30/2009 | The K7RA Solar Update
Well, what a week it has been. The solar flux hit 82.3 on Tuesday, the highest recording yet since the first-observed "new cycle sunspot" in January 2008, the "official" visual start of Solar Cycle 24. Even as I write this, the flux is
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