SB PROP @ ARL $ARLP003
ARLP003 Propagation de K7RA
ZCZC AP03
QST de W1AW
Propagation Forecast Bulletin 3 ARLP003
From Tad Cook, K7RA
Seattle, WA January 15, 2021
To all radio amateurs
SB PROP ARL ARLP003
ARLP003 Propagation de K7RA
What happened? Solar Cycle 25 seemed well underway, but no new
sunspots emerged since last year prior to Christmas, on December 23,
2020 to be exact. The last time any sunspot was visible was on
January 2. On January 14, Spaceweather.com posted, "Welcome back,
solar minimum."
Average daily solar flux declined from 78.6 to 73.8. Geomagnetic A
index remained quiet.
Predicted solar flux for the next 30 days is 74, 74 and 75 on
January 15-17, 80 on January 18-21, then 78 on January 22-27, 77 on
January 28-31, 75 on February 1-6, and 74 on February 7-13. Flux is
expected to peak
...
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