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The K7RA Solar Update

ARRL

Well-Known Member
Nov 15, 2008
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Average daily solar flux and sunspot numbers rose over the past week. The average daily sunspot number rose 5 points to 64.1 while average daily solar flux was up 11.6 points to 100.4. Geomagnetic indices were quieter, with average planetary A index decreasing from 22.6 to 9.9 and average mid-latitude A index dropping from 14.6 to 10.9.

USAF and NOAA predict solar flux at 100 on May 20-24, 95 on...

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