SB PROP @ ARL $ARLP047
ARLP047 Propagation de K7RA
ZCZC AP47
QST de W1AW
Propagation Forecast Bulletin 47 ARLP047
From Tad Cook, K7RA
Seattle, WA November 28, 2022
To all radio amateurs
SB PROP ARL ARLP047
ARLP047 Propagation de K7RA
ARRL headquarters was closed for the holiday last Thursday and
Friday, so this bulletin is delayed until Monday, but has fresh
content from Sunday night.
At 2228 UTC on November 27 the Australian Space Weather Forecasting
Centre issued a geomagnetic disturbance warning: "A coronal hole
wind stream is expected to induce G1 periods of geomagnetic activity
from mid 30-Nov to 01-Dec."
Solar activity softened over the past reporting week, November
17-23. Average daily sunspot numbers dropped from 72.3 to 66, and
average daily solar flux from 137.2 to 116.5.
In the four days s
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