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  • perseids

    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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  • perseids.JPG

    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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  • Sunspot043010

    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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  • sunspot121109

    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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  • WSJT

    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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