SB PROP @ ARL $ARLP038
ARLP038 Propagation de K7RA
ZCZC AP38
QST de W1AW
Propagation Forecast Bulletin 38 ARLP038
From Tad Cook, K7RA
Seattle, WA September 29, 2017
To all radio amateurs
SB PROP ARL ARLP038
ARLP038 Propagation de K7RA
Over the past week we saw solar indices decline. Lower activity
persists, and the uptick in solar activity on September 2 to 10,
when sunspot numbers were 71, 96, 122, 122, 79, 94, 89, 49 and 38
and solar flux was 100, 120, 140, 121, 133, 129, 117, 107 and 100
will probably not be seen again til the upside after solar minimum,
perhaps in 2021 or 2022.
But perhaps we will be surprised again.
Average daily sunspot numbers declined over the past few weeks from
87.3 to 45 and 13.6, and average daily solar flux from 114.1, to
97.6 and 72.6.
Average daily pl
...
Читать дальше »