SB PROP @ ARL $ARLP008
ARLP008 Propagation de K7RA
ZCZC AP08
QST de W1AW
Propagation Forecast Bulletin 8 ARLP008
From Tad Cook, K7RA
Seattle, WA February 24, 2023
To all radio amateurs
SB PROP ARL ARLP008
ARLP008 Propagation de K7RA
Solar activity plunged this reporting week, although there was great
the excitement when the solar flux on February 17 was reported as a
record breaking 343.1.
Because it was the noon reading, it is still reported by NOAA as the
solar flux, but this was a false reading when the observatory at
Penticton, British Columbia was swamped by energy from a solar
flare.
So, in this report, I have chosen the 1800 UTC flux value, which was
165.
Average daily sunspot number plunged from 182.4 to 107, while
average solar flux dropped from 196.4 to 162.4. If I had not changed
the 343.1 to 165, s
...
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