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  • latest011912

    01/20/2012 | The K7RA Solar Update

    New sunspot groups appeared on every day over the past week. On January 12, new sunspot group 1396 appeared, and the next day two more -- 1397 and 1398 -- popped into view. On January 14, four new sunspot groups appeared: 1399, 1400, 1401 and 1402. Januar
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    01/11/2012 | FCC Denies ARRL Petition on Vanity, Club Call Signs

    On January 11, the FCC issued a Memorandum Opinion and Order, denying an ARRL Petition for Reconsideration concerning vanity and club call signs. Filed with the Commission in January 2011, the ARRL’s Petition was in response to the FCC’s Report and Order
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  • latest122311

    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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  • latest121511

    12/16/2011 | The K7RA Solar Update

    Solar activity dropped this week, with the average daily sunspot numbers declining more than 39 points to 94.7. It’s been 13 weeks since the average daily sunspot number for the week was that low or lower, when we reported an average of 91.7 in the Septem
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    12/02/2011 | The K7RA Solar Update

    Solar Cycle 24 continues its upturn. We have a new high for the trailing three month daily sunspot number average. Starting with the three month period ending in December 2010 and going through November 2011, they were 30.1, 35.3, 55.7, 72.3, 74.4, 65.9,
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    11/29/2011 | AMSAT Announces End of OSCAR 51 Mission

    According to AMSAT, the popular OSCAR 51 satellite has reached the end of its mission.
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  • latest112811

    11/28/2011 | The K7RA Solar Update

    Recently, I mentioned recently that some of the sunspot numbers released by NOAA didn’t seem right. I just got word from Mike Husler at NOAA that data posted recently -- like that record-breaking day when the sunspot number hit 220 -- was wrong. The corre
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    11/18/2011 | The K7RA Solar Update

    This week geomagnetic indices quieted a bit, as did solar activity in general. On November 9, sunspot numbers reached a high of 220, and this week, they declined, rose to 176 and then declined again. The average daily sunspot numbers slipped 8.4 points to
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