SB PROP @ ARL $ARLP021
ARLP021 Propagation de K7RA
ZCZC AP21
QST de W1AW
Propagation Forecast Bulletin 21 ARLP021
From Tad Cook, K7RA
Seattle, WA May 24, 2019
To all radio amateurs
SB PROP ARL ARLP021
ARLP021 Propagation de K7RA
May 18 was the last day we saw sunspot activity, after more than two
weeks with daily sunspots visible. Average daily sunspot number
declined to 5.3 this week following 22.7 during the previous week.
Average daily solar flux declined from 75.7 to 69.8.
Geomagnetic conditions were quieter, with average daily planetary A
index declining from 13 to 5.
Predicted solar flux over the next 45 days is 67 on May 24 to 31, 74
on June 1, 76 on June 2 to 10, 74 on June 11, 72 on June 12 and 13,
70 on June 14 and 15, 69 on June 16 and 17, 68 on June 18, 67 on
June 19 to 25, 70, 72 and 74 on June 2
...
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