SB PROP @ ARL $ARLP028
ARLP028 Propagation de K7RA

ZCZC AP28
QST de W1AW 
Propagation Forecast Bulletin 28 ARLP028
From Tad Cook, K7RA
Seattle, WA July 13, 2018
To all radio amateurs 

SB PROP ARL ARLP028
ARLP028 Propagation de K7RA

As of Thursday, July 12, there have been no sunspots visible for 16
days consecutively.

Spaceweather.com pointed out that to find an equally long stretch of
no sunspots, we have to look back to November 2009 when we were
emerging from the deepest solar minimum in a century. At the lowest
of the low activity in 2008, the sun was blank for 52 consecutive
days, they reported, and that seems to be from July 21, 2008 through
September 10, 2008, as shown here:

ftp://ftp.swpc.noaa.gov/pub/indices/old_indices/2008_DSD.txt

However my own record shows a slight break in that 
		
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