SB PROP @ ARL $ARLP001
ARLP001 Propagation de K7RA
ZCZC AP01
QST de W1AW
Propagation Forecast Bulletin 1 ARLP001
From Tad Cook, K7RA
Seattle, WA January 5, 2024
To all radio amateurs
SB PROP ARL ARLP001
ARLP001 Propagation de K7RA
Only four new sunspot groups emerged over the past week, one on
December 28, another on December 31, and two more on January 2 and
3.
Solar indices sank. The average daily sunspot number declined from
114.4 to 63.4, and average daily solar flux from 172.6 to 141.9.
Average daily planetary A index rose from 8.4 to 6.7 and middle
latitude numbers from 4 to 5.1.
Predicted solar flux over the next few weeks is 130 on January 5-7,
135 on January 8-10, 140 on January 11, 155 on January 12-14, then
160, 165, 160 and 155 on January 15-18, 150 on January 19-21, then
145 and 140 on January 22-
...
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