SB PROP @ ARL $ARLP032
ARLP032 Propagation de K7RA

ZCZC AP32
QST de W1AW 
Propagation Forecast Bulletin 32 ARLP032
From Tad Cook, K7RA
Seattle, WA August 11, 2023
To all radio amateurs 

SB PROP ARL ARLP032
ARLP032 Propagation de K7RA

Two new sunspot groups appeared on August 3, three more on August 7,
and another on August 9.

But solar activity was lower over our reporting week, August 3-9,
with average daily sunspot number dropping from 154.3 to 108.9 and
average solar flux from 173 to 166.4.

Average daily planetary A index rose from 8.3 to 12.3 and average
middle latitude A index from 9.3 to 10.1.

The middle latitude A index numbers on August 3-4 were not
available, and are my estimates, tracking with the planetary A index
and the remaining five middle latitude readings in the rest of the
week.

Predicted sola
		
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