SB PROP @ ARL $ARLP011
ARLP011 Propagation de K7RA
ZCZC AP11
QST de W1AW
Propagation Forecast Bulletin 11 ARLP011
From Tad Cook, K7RA
Seattle, WA March 16, 2018
To all radio amateurs
SB PROP ARL ARLP011
ARLP011 Propagation de K7RA
No sunspots were observed between March 2 and March 15. One sunspot
made a brief appearance on March 2, after a blank sun on March 1.
Average daily sunspot number dropped from 1.6 to zero this week, and
average daily solar flux rose fractionally from 67.6 to 67.7. We'll
be watching the latest sunspot appearance to see if it is as
fleeting as the March 2 sunspot.
Geomagnetic indicators rose slightly, with planetary A index
increasing from 5.1 to 7.1, and mid-latitude A index rose from 4.6
to 5.7.
Predicted solar flux is 69 on March 16 to 23, 72 on March 24 to 29,
70 on March 30, 68 on March 31 through April 11, 70 on April 12, 72
on Ap
...
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