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09/23/2011 | The K7RA Solar Update
Compared to the uneventful past few years, sunspot activity was truly remarkable this week. The daily sunspot number for September 16 was 173. We haven't see numbers like this in more than six years, when the sunspot number was 181, way back on July 5, 20
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04/08/2011 | The K7RA Solar Update
Our Sun is still quite active, but sunspot numbers are down this week, when compared with the week before. The average daily sunspot numbers were down nearly 34 points to 68.3, while the average daily solar flux declined nearly 3 points to 111.8. But geom
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01/02/2011 | Ring in the New Year with Morse Code Ringtones
Two Morse code ringtones by AD1B
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12/06/2010 | Amateur Radio Quiz: For Auld AcquaintanceHere at the end of the year, it’s customary to remember those who have gone before us. This quiz acknowledges events and individuals that shaped ham radio. For those of you who are new to the hobby, here are some great topics to research online and find o
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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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11/05/2010 | The K7RA Solar Update
The average daily sunspot numbers declined again this week, this time by nearly 25 points to 25.7, about half what it was last week. Last week’s average was down about 5 points from the week before, when it was 55.6. Sunspot numbers for October 28-Novembe
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