SB PROP @ ARL $ARLP045
ARLP045 Propagation de K7RA
ZCZC AP45
QST de W1AW
Propagation Forecast Bulletin 45 ARLP045
From Tad Cook, K7RA
Seattle, WA November 6, 2020
To all radio amateurs
SB PROP ARL ARLP045
ARLP045 Propagation de K7RA
10.7 cm solar flux density was 88.1 on Wednesday, November 4, the
highest since October 14, 2016 when it was 92.8.
The average daily solar flux for that week as reported in this
bulletin was 76.9, and average daily sunspot number was 18.7 (see
https://bit.ly/3oYTDxO), so activity four years ago was similar to
recent activity (in fact those numbers closely match the flux and
SSN in last week's bulletin). But in 2016 Solar Cycle 24 was
declining, reaching a minimum about three years later, in December
2019.
The daily solar flux is measured at n
...
Читать дальше »