SB PROP @ ARL $ARLP011
ARLP011 Propagation de K7RA
ZCZC AP11
QST de W1AW
Propagation Forecast Bulletin 11 ARLP011
From Tad Cook, K7RA
Seattle, WA March 18, 2022
To all radio amateurs
SB PROP ARL ARLP011
ARLP011 Propagation de K7RA
We saw plenty of sunspot activity this week, along with numerous
solar flares.
A confounding indicator was a higher average solar flux but lower
average sunspot numbers. We expect to see them track together, but
that isn't always the case.
Average daily sunspot number went from 87.4 last week to 74.6 in the
latest reporting period, March 10-16.
Average daily solar flux increased from 115.5 to 119.
A new sunspot group appeared on March 12, another on March 13, and
two more on March 14. Total sunspot area (in millionths of the solar
disc) declined through the week, starting at 117
...
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