SB PROP @ ARL $ARLP023
ARLP023 Propagation de K7RA

ZCZC AP23
QST de W1AW 
Propagation Forecast Bulletin 23 ARLP023
From Tad Cook, K7RA
Seattle, WA June 8, 2018
To all radio amateurs 

SB PROP ARL ARLP023
ARLP023 Propagation de K7RA

Sunspots vanished again after appearing on every day, from May 21
through June 4. Average daily sunspot numbers this week (May 31
through June 6) dropped from 26.3 to 12.9.

Average daily solar flux declined from 74.9 to 73.2. Average
planetary A index increased from 3.9 to 11.7 while average
mid-latitude A index increased from 4.7 to 10.4.

Predicted solar flux is 69 on June 8 to 10, 70 on June 11 to 14, 72
on June 15 to 17, 74 on June 18 to 23, 72 on June 24 to 30, 73 and
72 on July 1 and 2, 70 on July 3 to 7, 72 on July 8 to 14, 74 on
July 15 to 20 and 72 on July 21 and 22.

Predicted planetary A index is 5 on June 8 to 12, 8 on June 13, 5
		
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