SB PROP @ ARL $ARLP003
ARLP003 Propagation de K7RA

ZCZC AP03
QST de W1AW 
Propagation Forecast Bulletin 3 ARLP003
From Tad Cook, K7RA
Seattle, WA January 21, 2022
To all radio amateurs 

SB PROP ARL ARLP003
ARLP003 Propagation de K7RA

Solar and geomagnetic activity increased this week. Average daily
sunspot number was 52 points higher, rising from 42.4 to 94.4. The
sunspot number peaked at 120 last Saturday.

Average daily solar flux went from 101.6 to 112, peaking at 119.4 on
Sunday. Average daily planetary A index rose from 6.1 to 15.6, and
average middle latitude numbers went from 4.1 to 11.3. On January 20
the daily solar flux dipped to 99.3, the first daily noon reading
below 100 since January 6.

As reported by Spaceweather.com, Sunspot AR2929 erupted at 1744 UTC
on January 18 with an M1.5 class solar flare, b
		
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