SB PROP @ ARL $ARLP006
ARLP006 Propagation de K7RA

ZCZC AP06
QST de W1AW 
Propagation Forecast Bulletin 6 ARLP006
From Tad Cook, K7RA
Seattle, WA February 11, 2022
To all radio amateurs 

SB PROP ARL ARLP006
ARLP006 Propagation de K7RA

Three new sunspot groups appeared this week, on February 3, 6 and 8.
Average daily sunspot number rose slightly from 81.3 last week to
83.9 in this reporting week, February 3-9.

Average daily solar flux increased from 123.1 to 126, also a modest
change.

Solar flares and geomagnetic storms through the week raised the
average daily planetary A index from 10.1 to 14.4, and the middle
latitude A index, measured at one location in Virginia, went from
6.4 to 9.6.

At 0523 UTC on February 11 the Australian Space Forecast Centre
issued a Geomagnetic Disturbance Warning: "A recurrent co
		
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