SB PROP @ ARL $ARLP023
ARLP023 Propagation de K7RA
ZCZC AP23
QST de W1AW
Propagation Forecast Bulletin 23 ARLP023
From Tad Cook, K7RA
Seattle, WA June 5, 2020
To all radio amateurs
SB PROP ARL ARLP023
ARLP023 Propagation de K7RA
Two new sunspots emerged this week, with a one-day gap on Tuesday
with no sunspots. Average daily sunspot numbers rose from 0 last
week to 3.3 in this week, May 28 through June 3.
Seems odd, but average daily solar flux was 69.6, unchanged from the
previous seven days. Average daily planetary A index rose from 4 to
6, but average middle latitude A index was 5.7, same as last week.
Predicted solar flux over the next 45 days is 72 on June 5 to 12, 70
on June 13 to 20, 71 on June 21 to July 4, 70 on July 5 to 17, and
71 on July 18 and 19.
Predicted planetary A index is 5 on June 5 thro
...
Читать дальше »