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 27, 2023
To all radio amateurs
SB PROP ARL ARLP004
ARLP004 Propagation de K7RA
From the first week of this year, we saw a dramatic and welcome
increase in solar activity, but it softened in this reporting week,
January 19-25.
Average daily sunspot numbers starting with the final reporting week
for 2022 were 96.1, 97, 135.9. 173.4 and 162.
Over the same period, average daily solar flux was 143.8, 157.8,
181.2, 221.8 and 198.9.
The northern hemisphere Winter Solstice was over a month ago, and
through the next two months we will see a gradual transition toward
Spring conditions.
Predicted solar flux over the next month shows values peaking near
205 on February 1
...
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