SB PROP @ ARL $ARLP044
ARLP044 Propagation de K7RA
ZCZC AP44
QST de W1AW
Propagation Forecast Bulletin 44 ARLP044
From Tad Cook, K7RA
Seattle, WA November 4, 2022
To all radio amateurs
SB PROP ARL ARLP044
ARLP044 Propagation de K7RA
Solar activity perked up this week. Average daily sunspot number
rose from 58.4 to 70.3, and solar flux averages increased from 113.3
to 129.9.
There are still problems with the Fredericksburg magnetometer, so I
used numbers from the Boulder, Colorado magnetometer for the middle
latitude A index.
At 2318 UTC on November 3, 2022 the Australian Space Weather
Forecasting Centre issued a geomagnetic disturbance warning:
"Increased geomagnetic activity expected due to coronal hole high
speed wind stream from November 4-5."
Planetary A index averages went from 19.4 to 13.7, an
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