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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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11/30/2011 | The ARRL 10 Meter Contest: Get On While the Bands Are Hot!
Ten meters -- in case you haven’t heard, it’s alive in a big way! That means that the ARRL 10 Meter Contest -- coming up the weekend of December 10-11 -- is going to be the one of the best we’ve seen in years! During this event, many propagation modes wil
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10/21/2011 | The K7RA Solar Update
Our Sun continues to be very active, with most days revealing more sunspots. We saw one new sunspot group on October 9, another on October 10, two more on October 11 and two more on October 12. But that’s not all: There was another on October 13, two more
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12/10/2010 | Catch the Geminids!
Try meteor scatter communication during the most intense shower of the year.
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12/01/2010 | Soar High in the ARRL 10 Meter Contest
The highest of the HF bands will be the central operating focus of many amateurs in the ARRL 10 Meter Contest, December 11-12. During the event, many propagation modes will be available: Sporadic-E will help you work stateside stations, a touch of meteor
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