SB PROP @ ARL $ARLP046
ARLP046 Propagation de K7RA
ZCZC AP46
QST de W1AW
Propagation Forecast Bulletin 46 ARLP046
From Tad Cook, K7RA
Seattle, WA November 13, 2020
To all radio amateurs
SB PROP ARL ARLP046
ARLP046 Propagation de K7RA
The last time we experienced a day with no sunspots was October 13.
Prior to that, September 26 through October 8, September 24, and
August 21 through September 22 had no sunspots. Cycle 25 is clearly
underway and going strong.
Average daily sunspot number over the past reporting week, November
5 to 11 was 31.3, up from 21.3 in the previous seven days. Average
daily solar flux increased from 81.6 to 90. The higher HF bands are
opening up.
Geomagnetic indicators were very quiet, with average daily planetary
A index dropping from 6.3 to 4.4, and middle latitude A index (based
on read
...
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