SB PROP @ ARL $ARLP049
ARLP049 Propagation de K7RA
ZCZC AP49
QST de W1AW
Propagation Forecast Bulletin 49 ARLP049
From Tad Cook, K7RA
Seattle, WA December 4, 2020
To all radio amateurs
SB PROP ARL ARLP049
ARLP049 Propagation de K7RA
Sunspot cycle 25 is a year old, and increasing solar activity
continues to surprise and amaze.
Average daily sunspot numbers more than doubled every week over the
past few weeks. ARLP047 reported average daily sunspot numbers of
12, then last week the average was 27.9, and now this week we report
the average daily sunspot number at 57.6.
In the past week the highest daily sunspot number was 84 on Sunday,
November 29, and solar flux also peaked that day, at 116.3, pushing
the week's average solar flux to 108.1, up from 90.1 over the
previous seven days and 79.8 in the week prior
...
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