SB PROP @ ARL $ARLP040
ARLP040 Propagation de K7RA

ZCZC AP40
QST de W1AW 
Propagation Forecast Bulletin 40 ARLP040
From Tad Cook, K7RA
Seattle, WA October 2, 2020
To all radio amateurs 

SB PROP ARL ARLP040
ARLP040 Propagation de K7RA

Solar wind disturbed HF conditions this past week, September 24-30.

Average daily planetary A index rose from 5.1 to 22, while average
middle latitude A index went from 5 to 15.6. Average daily sunspot
number declined from 1.9 to 1.6; a weak sunspot only appeared on two
dates, September 23 and 25, with sunspot numbers of 13 and 11,
respectively.

Average daily solar flux was on the increase, edging up from 71.1 to
73.4.

Predicted solar flux for the next 45 days is 73 on October 2-4, 70
on October 5-18, 72 on October 19-31, 70 on November 1-14 and 72 on
November 15.

Predicted planeta
		
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