SB PROP @ ARL $ARLP016
ARLP016 Propagation de K7RA
ZCZC AP16
QST de W1AW
Propagation Forecast Bulletin 16 ARLP016
From Tad Cook, K7RA
Seattle, WA April 20, 2018
To all radio amateurs
SB PROP ARL ARLP016
ARLP016 Propagation de K7RA
At 0631 UTC on April 20 the Australian Space Forecast Centre issued
a Geomagnetic Disturbance Warning.
"Earth is currently under the influence of a high speed stream from
a negative polarity equatorial coronal hole. Geomagnetic activity at
Quiet to Active levels is expected and at times may reach up to
Minor Storm levels if there are notable southward Bz periods.
"INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL HOLE HIGH
SPEED WIND STREAM FROM 20-21 APRIL 2018
"GEOMAGNETIC ACTIVITY FORECAST
20 Apr: Quiet to Active
21 Apr: Quiet to Active"
This link to Space Weather Live explains the reference to "southwar
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Четверг, 21.11.2024, 10:52
SB PROP @ ARL $ARLP016
ARLP016 Propagation de K7RA
ZCZC AP16
QST de W1AW
Propagation Forecast Bulletin 16 ARLP016
From Tad Cook, K7RA
Seattle, WA April 20, 2018
To all radio amateurs
SB PROP ARL ARLP016
ARLP016 Propagation de K7RA
At 0631 UTC on April 20 the Australian Space Forecast Centre issued
a Geomagnetic Disturbance Warning.
"Earth is currently under the influence of a high speed stream from
a negative polarity equatorial coronal hole. Geomagnetic activity at
Quiet to Active levels is expected and at times may reach up to
Minor Storm levels if there are notable southward Bz periods.
"INCREASED GEOMAGNETIC ACTIVITY EXPECTED DUE TO CORONAL HOLE HIGH
SPEED WIND STREAM FROM 20-21 APRIL 2018
"GEOMAGNETIC ACTIVITY FORECAST
20 Apr: Quiet to Active
21 Apr: Quiet to Active"
This link to Space Weather Live explains the reference to "southwar
