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  • Carson Squibb KM4MBQ + Nathaniel Frissel W2NAF

    08/20/2015 | Undergrad Radio Amateur Uses Reverse Beacon Network in Research Project

    A Virginia Tech undergraduate researcher and radio amateur has used Super Dual Auroral Radar Network (SuperDARN) and Reverse Beacon Network (RBN) data to study how solar flares impact HF radio propagation while Earth is in sunlight.
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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 activity

    03/13/2015 | The K7RA Solar Update

    For the second week in a row, average daily sunspot numbers were down.
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  • sunspots

    03/06/2015 | The K7RA Solar Update

    The trend of weakening sunspot activity continues
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  • Solar flare

    10/10/2014 | The K7RA Solar Update

    The prediction for the planetary A index posits a more active geomagnetic future, at least for the near term.
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  • latest042211

    04/23/2011 | The K7RA Solar Update

    Both the average daily sunspot numbers and solar flux were both higher for the week: Sunspot numbers up more than 3 points to 93.1 and the solar flux up by 8 points to 117.2. Geomagnetic activity was a bit lower -- with April 20 the most active day -- aft
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  • latest012811.jpg

    01/28/2011 | The K7RA Solar Update

    The average daily sunspot numbers rose over the past week (ending January 26) by 11.3 points to 32.6, compared to the previous week, while the average daily solar flux rose 3.1 points to 83.5. The planetary A index average was down 2 points to 2.9, and mi
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