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08/09/2010 | “Dark Time” Is the Right Time for the Perseids
The last time the annual Perseid meteor shower happened during a run of moonless nights -- known by astronomers as “dark time” -- was in 2007; there is a new moon on August 10, so this is a prime time to view a spectacular sky show. Not only are the meteo
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08/06/2010 | Surfin’: Hamming by PingingThis week, Surfin’ suggests scattering signals during the Perseids meteor shower.
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07/07/2010 | Amateur Radio Quiz: The Band Is Hot!Summer time brings out the 6 meter “Magic Band” aficionados as action via sporadic-E (Es) propagation heats up. The annual Perseids meteor shower brings additional excitement during mid-August as the Earth sweeps through the debris of the comet Swift-Tutt
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04/30/2010 | The K7RA Solar Update
Our Sun has again become very quiet. We saw 13 days with no sunspots, April 15-27, then new sunspot group 1063 appeared April 28, and on April 29 it was gone again. Although the sunspot number for April 29 is 0, early on April 30 I can still see group 106
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04/23/2010 | The K7RA Solar Update
A Sun with no sunspots! The quiet Sun returned -- through Thursday, April 22, there have been eight days straight with no sunspots. A new spot began to emerge on Wednesday, but it quickly faded. For the next 10 days NOAA/USAF predict solar flux at 78, 78,
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12/21/2009 | The Amateur Amateur: Any-Bounce"Other than the ionosphere, have you ever deliberately bounced your signal off of something in order to improve your propagation?" That was the question asked during one of our recent ARES nets.
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08/05/2009 | Prepare for the Perseids!
On the night of August 11 and well into the next day, Earth will make its annual passage through the bulk of the debris shed by a comet known as Swift-Tuttle. Much of the debris is composed of dust-sized grains, but when these fragments come plunging into
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07/31/2009 | Amateur Radio Quiz: I Knew That!There's so much to know in an activity with a long history like Amateur Radio. Both newcomers and old-timers find it easy to be flummoxed if they’re not "in the know" when confronted with an on-the-air mystery -- like the ones below! T
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