SB PROP @ ARL $ARLP004
ARLP004 Propagation de K7RA
ZCZC AP04
QST de W1AW
Propagation Forecast Bulletin 4 ARLP004
From Tad Cook, K7RA
Seattle, WA January 28, 2022
To all radio amateurs
SB PROP ARL ARLP004
ARLP004 Propagation de K7RA
A new sunspot group appeared on January 20 and another on January
24, two more on January 25 and one more on January 26. But overall
solar activity declined from the previous week, January 13-19.
Average daily sunspot number declined from 94.4 to 39.6, and average
daily solar flux went from 112 to 97.6.
On January 27 the daily sunspot number was 85, much higher than the
average of 39.6 of the previous seven days, always a good signal for
increasing activity.
Predicted solar flux is 105 on January 28 through February 4, 108 on
February 5-6, 110 on February 7-8, 108 on February 9-10, t
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Пятница, 13.06.2025, 07:32
