SB PROP @ ARL $ARLP010
ARLP010 Propagation de K7RA

ZCZC AP10
QST de W1AW 
Propagation Forecast Bulletin 10 ARLP010
From Tad Cook, K7RA
Seattle, WA March 10, 2023
To all radio amateurs 

SB PROP ARL ARLP010
ARLP010 Propagation de K7RA

So far this month, two new sunspot groups appeared on March 1,
another one on March 2, three more on March 3, one more on March 5,
two more on March 6, and another on March 7, then two more on March
9.

Average daily sunspot numbers rose from 126.3 to 143.6.

Average daily solar flux changed from 158.2 to 181.6

Average daily planetary A index declined from 27.7 to 14.6, and
average middle latitude numbers went from 18.9 to 10.7, reflecting
the quieter conditions following the upset the week before.

The Penticton observatory, the source for solar flux data is way up
at 49.5 degrees nor
		
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