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12/12/2012 | Catch the Geminids and Chat with NASA Meteor Experts
The annual Geminids meteor shower, scheduled to reach its peak on December 13 and 14, is slated to be the most intense shower of the entire year. This is also prime time for amateurs who enjoy bouncing their VHF signals off the ionized trails of these spa
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08/17/2012 | Surfin’: Dust Particles Reflecting RF in the AtmosphereThis week’s installment of Surfin’ examines the radio propagation mode known as “dust scatter.”
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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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12/23/2011 | The K7RA Solar Update
The average daily sunspot numbers this week were about the same as last week, while the average daily solar flux declined a little more than eight points to 128.9. Geomagnetic indicators were quiet. The average daily sunspot numbers of 95.3 for the week i
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10/28/2011 | The K7RA Solar Update
The day that last week’s bulletin was released --Friday, October 21 -- the daily sunspot number broke another record for Solar Cycle 24 when it rose to 207. You have to look back to November 26, 2003 when it was two points higher – 209 -- to find a number
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