SB PROP @ ARL $ARLP039
ARLP039 Propagation de K7RA
ZCZC AP39
QST de W1AW
Propagation Forecast Bulletin 39 ARLP039
From Tad Cook, K7RA
Seattle, WA September 25, 2020
To all radio amateurs
SB PROP ARL ARLP039
ARLP039 Propagation de K7RA
Until September 23, we saw 32 consecutive days with no sunspots.
Then we saw new sunspot group AR2773 which has a magnetic signature
indicating it is part of new Solar Cycle 25.
Spaceweather.com noted it was a weak one, and may not
persist for long. The daily sunspot number for September 23 was 13,
indicating three sunspots visible in that group. But the next day
that sunspot was gone.
Average daily solar flux rose from 69.2 to 71.1 this week (September
17-23). Geomagnetic indicators were about the same, with average
daily planetary A index declining from 5.3 to 5.1.
Predicted so
...
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