SB PROP @ ARL $ARLP037
ARLP037 Propagation de K7RA
ZCZC AP37
QST de W1AW
Propagation Forecast Bulletin 37 ARLP037
From Tad Cook, K7RA
Seattle, WA September 11, 2020
To all radio amateurs
SB PROP ARL ARLP037
ARLP037 Propagation de K7RA
An extended lull in solar activity persists. The smoothed sunspot
minimum occurred last December, but the flurry of moderate sunspot
activity in August has not continued.
An event to look forward to is the Autumnal Equinox, which occurs at
1330 UTC on Tuesday, September 22. We should see a seasonal
improvement in HF propagation around that date because the northern
and southern hemispheres are bathed in roughly equal solar
radiation, enhancing north-south propagation.
Thursday, September 10 was the twentieth consecutive day with no
sunspots, but Spaceweather.com reported a small s
...
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