SB PROP @ ARL $ARLP020
ARLP020 Propagation de K7RA

ZCZC AP20
QST de W1AW 
Propagation Forecast Bulletin 20 ARLP020
From Tad Cook, K7RA
Seattle, WA May 17, 2019
To all radio amateurs 

SB PROP ARL ARLP020
ARLP020 Propagation de K7RA

Sunspot activity continues, and this reporting week, the average
daily sunspot number rose from 16.1 to 22.7, while average daily
solar flux went from 73.5 to 75.7. The two sunspot groups that
appeared on May 3 and May 6 are fading fast and rotating off the
visible solar disc. Two geomagnetically active days occurred on May
11 and 14, when the planetary A index reached 25 and 36.

Predicted solar flux is 72 on May 16-18, 70 on May 19, 68 on May
20-22, 67 on May 23-29, 70, 72, 74, and 76 on May 30-June 2, 77 on
June 3-11, 75 on June 12, 72 on June 13-14, 70 on June 15, 69 on
June 16-17, 68
		
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