SB PROP @ ARL $ARLP031
ARLP031 Propagation de K7RA

ZCZC AP31
QST de W1AW 
Propagation Forecast Bulletin 31 ARLP031
From Tad Cook, K7RA
Seattle, WA August 2, 2019
To all radio amateurs 

SB PROP ARL ARLP031
ARLP031 Propagation de K7RA

No sunspots were observed over the past week, and solar flux remains
flat, with average daily values declining from 67.3 to 67.
 
Average daily planetary A index went from 5.3 to 5, and middle
latitude A index from 6.3 to 5.9.
 
Predicted solar flux for the next 45 days remains at 67, August 2
through September 15, every day.
 
Predicted planetary A index is 5 on August 2 and 3, then 8, 18, 15,
12 and 8 on August 4 to 8, 5 on August 9 to 16, 8 on August 17 and
18, 5 on August 19 to 26, then 8, 16, 8, 5, 8, 22 and 16 on August
27 through September 2, 5 on September 3 to 
		
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