SB PROP @ ARL $ARLP013
ARLP013 Propagation de K7RA
ZCZC AP13
QST de W1AW
Propagation Forecast Bulletin 13 ARLP013
From Tad Cook, K7RA
Seattle, WA March 29, 2019
To all radio amateurs
SB PROP ARL ARLP013
ARLP013 Propagation de K7RA
During our reporting week (March 21-27) solar activity increased
while geomagnetic indicators were lower, compared to the previous
seven days. This is a nice combination for the first week of spring.
Although sunspots and solar flux decreased toward the end of the
period, average daily sunspot numbers doubled from 8 to 16, and
average daily solar flux increased from 70.7 to 75.2.
Average daily planetary A index decreased from 8.1 to 3.7, and
average daily middle latitude A index decreased from 6.3 to 3.9.
These numbers are all good, because higher sunspot numbers and solar
flux suggest better enhancement of the ionosphere while the lower
geomagn
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Суббота, 27.04.2024, 05:44
