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 30, 2022
To all radio amateurs
SB PROP ARL ARLP039
ARLP039 Propagation de K7RA
Sunspot activity rose this reporting week, September 22-28, with
average daily sunspot numbers increasing from 68 to 105.1. But solar
flux? Not so much. Average daily solar flux rose from 134.3 to
138.4.
So, the sunspot average rose 55% and solar flux only 3%. I usually
expect the numbers to track more closely.
New sunspots appeared on September 22 and 23, and one more on
September 27. On Thursday night (September 29) NOAA reported the
daily sunspot number at 56, little more than half the average for
the previous seven days, which is 105.1.
Tuesday September 27 had lots of geomag
...
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