SB PROP @ ARL $ARLP033
ARLP033 Propagation de K7RA
ZCZC AP33
QST de W1AW
Propagation Forecast Bulletin 33 ARLP033
From Tad Cook, K7RA
Seattle, WA August 13, 2021
To all radio amateurs
SB PROP ARL ARLP033
ARLP033 Propagation de K7RA
Solar activity continues to be very weak, and the latest 45-day
outlook seems to indicate more of the same.
Sunspots only appeared on three out of the seven days in our
reporting week (August 5 to 11) and they were not consecutive.
Average daily sunspot numbers actually rose a little, from 6 to 9.9.
Average daily solar flux softened from 74.8 to 73.7. Average daily
planetary A index went from 8 to 6.3, while middle latitude averages
were 7, down from 8.7 last week.
Predicted solar flux over the next few weeks shows a predicted
maximum of only 75 on just one day, September 11. The so
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