SB PROP @ ARL $ARLP027
ARLP027 Propagation de K7RA
ZCZC AP27
QST de W1AW
Propagation Forecast Bulletin 27 ARLP027
From Tad Cook, K7RA
Seattle, WA July 2, 2021
To all radio amateurs
SB PROP ARL ARLP027
ARLP027 Propagation de K7RA
Solar activity is strong! Average daily sunspot number rose from 14
to 34.7, and average daily solar flux increased from 79.3 to 86.9.
Both figures represent a dramatic increase in solar activity. These
averages are for the recent seven day period, Thursday through
Wednesday, and the sunspot number on Thursday was 56, which is above
the average of 34.7, always a good sign.
Planetary A index went from 5.3 to 6.1, while average daily middle
latitude A index was at 6.1, the same as last week.
Predicted solar flux is 94 on July 2 to 6, 90 on July 7 and 8, 85 on
July 9 to 11, 82 on July 12 t
...
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