SB PROP @ ARL $ARLP001
ARLP001 Propagation de K7RA

ZCZC AP01
QST de W1AW 
Propagation Forecast Bulletin 1 ARLP001
From Tad Cook, K7RA
Seattle, WA January 7, 2022
To all radio amateurs 

SB PROP ARL ARLP001
ARLP001 Propagation de K7RA

Sunspot activity was substantially lower this week, but new sunspot
groups emerged on December 31, January 1, January 4, and January 5.
Average daily sunspot number dropped from 110.1 to 36.4, while
average daily solar flux went from 124 to 91.4.

Geomagnetic activity was still fairly quiet, even with a number of
flares and CMEs, with the average daily planetary A index changing
from 6.4 to 7.7, and average middle latitude A index from 4.4 to 6.

Predicted solar flux over the next month shows 10.7 cm flux values
peaking at 120 on January 16-24, and again at 120 in mid-February.

The dai
		
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