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08/10/2013 | Perseid Shower Poses Meteor Scatter Possibilities
The perseid meteor shower opens opportunities for meteor-scatter work on VHF and UHF.
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08/07/2012 | Perseid Meteor Shower Should Be Fun for Meteor Scatter Enthusiasts and Viewers AlikeOn the night of Saturday, August 11 and well into the next day, Earth will be at the peak of its annual passage through the bulk of the debris shed by a comet known as Swift-Tuttle.
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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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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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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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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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