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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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    04/01/2011 | The K7RA Solar Update

    The activity we could see recently on our Sun’s far side -- thanks to the STEREO mission -- has been rotating into view, producing some nice sunspot activity and the resulting improved upper-HF propagation. Compared to the previous week (March 17-23), the
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    02/23/2011 | The HF Bands Come Alive for the ARRL International DX SSB Contest

    With the CW running of the ARRL International DX Contest over, it’s time to get ready for the phone portion. With the solar flux peaking at 125 during the CW contest -- and 10 meters in unexpectedly good shape and open to Europe all through the event -- o
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    02/09/2011 | The ARRL International DX CW Contest Is Just One Week Away!

    The weekend of February 19-20 is prime time for CW DXing as the 2011 ARRL International DX CW Contest takes to the airwaves. According to ARRL Contest Branch Manager Sean Kutzko, KX9X, stations in the US and Canada work only DX stations -- Alaska and Hawa
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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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    11/24/2010 | The 2010 ARRL 160 Meter Contest Will Warm Up Your Chilly December

    The ARRL 160 Meter Contest -- an all-CW event -- is tremendous fun! As the object of the contest is for DX stations to contact American and Canadian stations (and vice versa), everyone will be seeking you (especially if you live in a rare section like Nor
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    05/21/2010 | The K7RA Solar Update

    Eleven days with no sunspots, but something emerged late Thursday, and it may be the return of old sunspot group 1069. Sunspot group 1069 was visible from May 4-8 before disappearing over the horizon. The return of that sunspot gives a daily sunspot numbe
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  • DaveARRLCW2010

    02/24/2010 | ARRL DX Phone Contest Brings DX in Full Force to the HF Bands!

    With the 2010 ARRL International DX CW Contest now history, the first weekend in March brings the next round of competition: the 2010 ARRL International DX Phone Contest. Like its CW predecessor, this event focuses on DX stations working all US states and
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