The FREE DX-World Weekly Bulletin #407

Due to Bjorn ON9CFG being in ZS-land for the next few weeks, the Weekly Bulletin will likely be available to download on Friday’s or Saturday’s.

... Читать дальше »

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 4, 2021
To all radio amateurs 

SB PROP ARL ARLP023
ARLP023 Propagation de K7RA

Solar Cycle 25 activity continues this week, with no spotless days
since May 6.

Average daily sunspot number rose modestly this week from 24.9 to
28, and average daily solar flux held steady at 77.8, unchanged from
last week.

Predicted solar flux over the next month is 75 on June 4-6, 72 on
June 7-11, 78 on June 12-15, 80 on June 16-18, 78 on June 19-22,
then 76, 75 and 76 on June 23-25, 72 on June 26 through July 5, then
73,75 and 76 on July 6-8. Solar flux may rise to 80 on July 13-15.

Predicted planetary A index is 8 on June 4, 5 on June 5-15, 20 and
10 on June 16-17, 5 on June 18-2
		
		... 
		
			Читать дальше »