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    04/29/2011 | The K7RA Solar Update

    Geomagnetic conditions are quiet this week, but they may become slightly unsettled over this weekend. The average daily sunspot numbers were down more than 18 points to 74.9, while the average daily solar flux was off less than 4 points to 113.4. Sunspot
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    01/07/2011 | The K7RA Solar Update

    The average daily sunspot numbers were up nearly 24 points this week to 50, while the average daily solar flux rose more than 9 points to 89.5. The lagging three month average of daily sunspot numbers was down 3.5 points from last month’s average of the p
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    12/14/2010 | New Edition of ON4UN’s Low-Band DXing Now Shipping!

    The fifth edition of ON4UN’s Low-Band DXing: Antennas, Equipment and Techniques for DXcitement on 160, 80 and 40 Meters by John Devoldere, ON4UN, features new and updated material. This is a book -- with CD-ROM included -- that every fan of 40 meters thro
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    12/03/2010 | The K7RA Solar Update

    The average daily sunspot numbers for the week of November 25-December 1 increased only slightly from the previous seven days: 1.3 points to 25.9. Sunspot numbers for November 25-December 1 were 22, 23, 22, 34, 31, 24 and 25, with a mean of 25.9. The 10.7
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    11/12/2010 | The K7RA Solar Update

    Both the average daily sunspot numbers and solar flux increased over the past week, with sunspot numbers up 7.4 points to 33.1, and solar flux up 2.1 points to 84.2. Four new sunspot groups have appeared since November 4. For some reason, NOAA is currentl
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    11/04/2010 | Cuba Activates Emergency Nets for Tropical Storm Tomas

    As Tropical Storm Tomas moves toward the eastern part of Cuba, the Federación de Radioaficionados de Cuba (FRC) has now activated HF emergency nets on 7.045 MHz (during the day or until propagation makes it possible), 7.045 MHz (during the night or when p
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    09/18/2010 | Please Keep 7.065 MHz Open for Tropical Storm Karl Communications

    At 7:00 PM (CDT) on Friday, September 17, the center of Tropical Storm Karl is moving toward the interior of Central Mexico, currently heading in a west-northwest direction at 9 MPH. Forecasters at the National Hurricane Center are predicting that the sto
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