The K7RA Solar Update

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IB4TL
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The K7RA Solar Update

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Tad Cook, K7RA, Seattle, reports: Sunspot activity returned last Friday, May 7, and has held steady since. Average daily sunspot numbers rose from 11.9 to 21.1, and average daily solar flux was up 2.1 points to 74.3 for the reporting week ending May 12.Geomagnetic activity was quiet until Wednesday, May 12, when the planetary A index went to 41 as the result of a coronal mass ejection (CME) tha...

Source: http://www.arrl.org/news/view/the-k7ra-solar-update-680
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