SB PROP @ ARL $ARLP030
ARLP030 Propagation de K7RA
ZCZC AP30
QST de W1AW
Propagation Forecast Bulletin 30 ARLP030
From Tad Cook, K7RA
Seattle, WA July 23, 2021
To all radio amateurs
SB PROP ARL ARLP030
ARLP030 Propagation de K7RA
It is exciting to observe increasing sunspot activity. Recently
solar cycle 25 produced new sunspots frequently, and I watch them
pop up every day on Spaceweather.com. New sunspots emerged on July
14, 16, 17, 19 and 20, and two new ones appeared on July 21. When I
look at https://bit.ly/36TTO5t on July 22, our sun is peppered with
spots, reminding me of past solar cycles.
Average daily sunspot numbers more than doubled from 21.3 last week
to 48.9 during this reporting week, July 15 to 21. Average daily
solar flux went from 72.9 to 81.3.
Geomagnetic
...
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