SB PROP @ ARL $ARLP016
ARLP016 Propagation de K7RA
ZCZC AP16
QST de W1AW
Propagation Forecast Bulletin 16 ARLP016
From Tad Cook, K7RA
Seattle, WA April 17, 2020
To all radio amateurs
SB PROP ARL ARLP016
ARLP016 Propagation de K7RA
Sunspots are gone again. We are at the bottom of the solar cycle,
so conditions should only get better. There is an increase in
on-air activity due to the large number of people staying at home
because of Covid-19, and this week we seem to be overwhelmed with
reports of sporadic E openings.
The last observed sunspot disappeared on April 5, so weekly average
daily sunspot numbers declined from 5.1 last week to zero this
reporting week, April 9 to 15. Average daily solar flux went from
70.2 to 69.5.
Geomagnetic indicators remain quiet as well, with average daily
estimated planetary A
...
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