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The K7RA Solar Update

A

ARRL

Well-Known Member
Nov 15, 2008
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The average daily sunspot numbers dropped nearly 23 points to 15.6 this week, and geomagnetic indices were quiet. The average daily solar flux was 78.1, but the latest prediction from USAF and NOAA calls for rising solar flux values. The September 17-23 projection has solar flux values at 85, 85, 86, 86, 86, 87 and 88, which is well above last week’s average. Solar flux hasn’t been to 88 or hig...





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    June VHF

    The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
    www.arrl.org www.arrl.org
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