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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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10/21/2011 | 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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10/14/2011 | The K7RA Solar Update
We are definitely continuing to see robust solar activity. Sunspot numbers for October 6-12 were 99, 88, 61, 71, 87, 113 and 149, with a mean of 95.4. The 10.7 cm flux was 123.9, 122, 118.4, 121, 126.4, 130.1 and 134.1, with a mean of 125.1. The estimated
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08/09/2011 | Go High for the 2011 ARRL 10 GHz and Up Contest
If you enjoy the being on the cutting edge of Amateur Radio’s technical side, take a look at the microwave bands. The 2011 ARRL 10 GHz and Up Contest gives you the perfect chance to explore this portion of the radio spectrum.
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05/13/2011 | The K7RA Solar Update
As reported in The ARRL Letter on Wednesday, six sunspot groups were visible, but that number shrunk to two on Thursday. Daily sunspot numbers declined from 84 to 29 over those two days as well, but the average sunspot number for the reporting week (Thurs
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12/03/2010 | The K7RA Solar Update
The average daily sunspot numbers for the week of November 25-December 1 increased only slightly from the previous seven days: 1.3 points to 25.9. Sunspot numbers for November 25-December 1 were 22, 23, 22, 34, 31, 24 and 25, with a mean of 25.9. The 10.7
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10/14/2010 | Jamboree on the Air -- Coming This Weekend to a Radio Near You!
With the BSA centennial celebration as a backdrop, the 53rd Annual Jamboree on the Air (JOTA) will provide an opportunity for Scouts to get on the air and get a taste of the fun and magic of radio that has captivated many a young person over the past 100
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09/23/2010 | ARRL Awards Committee Makes Statement on Dissolution of Netherlands Antilles
To clarify the administrative process by which the anticipated changes to the two existing Netherlands Antilles DXCC entities will be made, the ARRL Awards Committee has determined that at 0400 UTC (12:00 AM local time in the islands) on October 10, 2010,
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