SB PROP @ ARL $ARLP005
ARLP005 Propagation de K7RA

ZCZC AP05
QST de W1AW 
Propagation Forecast Bulletin 5 ARLP005
From Tad Cook, K7RA
Seattle, WA February 3, 2023
To all radio amateurs 

SB PROP ARL ARLP005
ARLP005 Propagation de K7RA

Solar activity softened again this week, with average daily sunspot
numbers changing from 162 to 80.7, and solar flux from 198.9 to
139.5.

This is quite a dramatic shift from the excitement of a couple of
weeks ago. To review, average weekly sunspot numbers from the first
Propagation Forecast bulletin of 2023 went from 97 to 135.9, 173.4
and 162. Average weekly solar flux from 157.8 to 181.2, 221.8 and
198.9.

This variability is expected. Soon, perhaps in the next solar
rotation, activity will rise again. The graphs we see of smoothed
sunspot numbers are smooth because the numbers ar
		
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