SB PROP @ ARL $ARLP019
ARLP019 Propagation de K7RA

ZCZC AP19
QST de W1AW 
Propagation Forecast Bulletin 19 ARLP019
From Tad Cook, K7RA
Seattle, WA May 12, 2023
To all radio amateurs 

SB PROP ARL ARLP019
ARLP019 Propagation de K7RA

We saw a modest increase in solar activity in this reporting week,
May 4-10.
 
Average daily sunspot numbers nudged up from 114 to 119.3, and
average daily solar flux from 151.5 to 167.1
 
Average daily planetary A index changed from 13.6 to 15.1, and
average middle latitude A index remained the same, 11.9.
 
Predicted solar flux is 160 on May 12-13, then 155, 150 and 150 on
May 14-16, 145 on May 17-18, 155 on May 19-21, 150 on May 22, 145 on
May 23-25, then 140 and 145 on May 26-27, 155 on May 29-30, 160 on
May 31 through June 1, 155 on June 2-3, 160 on June 4-7, then 165,
160, 150, 145 
		
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