SB PROP @ ARL $ARLP038
ARLP038 Propagation de K7RA

ZCZC AP38
QST de W1AW 
Propagation Forecast Bulletin 38 ARLP038
From Tad Cook, K7RA
Seattle, WA September 23, 2022
To all radio amateurs 

SB PROP ARL ARLP038
ARLP038 Propagation de K7RA

Geomagnetic disturbances were down this week, but so were sunspot
numbers and solar flux.

Average daily sunspot numbers declined from 92.7 to 68, and average
daily solar flux from 141.3 to 134.3.

On September 22 the sunspot number was 99, well above (by 31 points)
the average for the previous seven days, a promising indication. We
hope it may signal a trend.

But Solar Cycle 25 progresses, a bit better than expected. A year
ago, average daily sunspot numbers were about ten points lower, at
58.3, while average solar flux was 87.4, about 47 points lower. Two
years ago there were no 
		
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