Solar activity slipped this week, with the average daily sunspot number declining nearly 50 points to 77 and average daily solar flux down nearly 10 points to 116.4. In fact, those “nearly” numbers were 49.9 and 9.9.

 

The latest solar flux predictions from NOAA/USAF (Thursday, August 29, 2013):

August 30-September 1: 108, 105 and 108

September 2-3: 110

September 4-5: 112

September 6-7: 115 and 120

Se…

American Radio Relay League | Ham Radio Association and Resources

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