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  • Solar disk 2015-11-02

    11/02/2015 | Geomagnetic Storms Likely on November 2-3

    NOAA forecasters are predicting a 90 percent chance of geomagnetic storms today and tomorrow, when a fast-moving stream of solar wind is expected to hit Earth’s magnetic field. NOAA has issued a G3 (strong) geomagnetic storm watch for November 2 (UTC) ...
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  • MARS-Generic logo.jpg

    09/28/2015 | MARS Invites ARES/RACES Participation in Coronal Mass Ejection Disaster Exercise

    A disastrous coronal mass ejection (CME) will be the focus of a national Military Auxiliary Radio System (MARS) communication exercise in early November, and MARS is hoping to collaborate with Amateur Radio Emergency Service (ARES) and Radio Amateur Ci...
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  • Space Weather G4 Alert 2015-06-22.png

    06/23/2015 | Geomagnetic Storming Reaches Severe Level

    Geomagnetic storming reached the G4 — severe — level at 0513 UTC on June 23.
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  • Solar Flare

    09/12/2014 | The K7RA Solar Update

    Expect highly disturbed conditions for the next several days
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  • solar disk

    06/29/2013 | Strong Geomagnetic Storm in Progress

    HF conditions may be poor or unsettled for the next several days.
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  • 10/23/2009 | The K7RA Solar Update

    A tiny Solar Cycle 24 sunspot group -- numbered 1028 -- emerged briefly on Tuesday, October 20, and then was gone. This is another brief phantom sunspot, teasing us with hints of the expected increase in activity that never seems to manifest. Of course, t
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  • 04/03/2009 | The K7RA Solar Update

    Our Sun is in the news again, unfortunately not due to any hoped-for activity, but for the eerie quiet instead. The Sun is surprisingly calm by several measurements -- including the large number of spotless days -- with an average 10.7 cm solar flux and l
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  • 09/12/2008 | The K7RA Solar Update

    A new sunspot -- number 1001 -- emerged on Thursday, September 11. It is actually a single group with two small magnetic disturbances; we hope it is not another like the last sunspot, a weak one that barely emerged on August 21-22. That spot was so small
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