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Feature
03/05/2013 | New QuickStats Poll Now Available on ARRL WebsiteFour new poll questions have just been published on the QuickStats page on the ARRL website. Let your voice be heard!
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02/22/2013 | The K7RA Solar Update
There was a modest rise in the average daily sunspot numbers over the past seven days, rising 27 points to 78.3, while the average daily solar flux was up marginally, only 1.6 points to 105.6.
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02/15/2013 | The K7RA Solar Update
Solar activity continues at the low levels that we have seen in the past few weeks. The sunspot numbers have been remarkably consistent, with the average daily numbers for the weeks since January 17 at 56.4, 55.7, 50.7 and finally 51.3 for this past week.
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01/25/2013 | The K7RA Solar Update
The average daily sunspot numbers this past week dropped nearly 73 points to 56.4, while the average daily solar flux declined nearly 47 points to 110.7. The average geomagnetic indices were up about 50 percent, but it was still very quiet.
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Feature
12/06/2012 | Amateur Radio Quiz: Specs or Pepper?Pondering a possible purchase puts the potential pocketbook provider in a pickle! Unless, that is, they are a savvy savant of specifications. This quiz will lead you through a jumbled jam of jargon to see how well you speak the language of the specificati
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08/07/2009 | The K7RA Solar Update
We had some nice sunspot activity from July 3-10 -- and we were hoping for a return 27-28 days later -- but it never happened. Varying by latitude, the Sun rotates relative to Earth about every 27.5 days. If that same region was still active or the activi
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03/23/2009 | FCC Clarifies What Constitutes an Amateur Radio Repeater
In December 2007, Gary Mitchell, WB6YRU, President of the Northern California Packet Association (NCPA), filed a Petition with the FCC, asking for the Commission to clarify the definition of a repeater. According to Part 97, Section 3(a)(39), A repeater i
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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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