Суббота, 21.12.2024, 18:18
26 December 2020 A.R.I. DX Bulletin
No 1547
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*** 4 2 5 D X N E W S ***
**** DX INFORMATION ****
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Edited by I1JQJ & IK1ADH
Direttore Responsabile I2VGW
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* TO ALL OUR READERS *
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ZCZC AP51
QST de W1AW
Propagation Forecast Bulletin 51 ARLP051
From Tad Cook, K7RA
Seattle, WA December 18, 2020
To all radio amateurs
SB PROP ARL ARLP051
ARLP051 Propagation de K7RA
Solar activity declined recently, with weekly average daily sunspot
numbers reported in this bulletin slipping from 57.6 to 28.9 and
then 17.4 over this past week.
Solar flux averages also slipped from 108.1 in bulletin ARLP049 to
91.9 in ARLP050 to 82.1 over the most recent week.
The latest solar flux prediction also appears soft. Solar flux is
expected to peak at 86 on December 26-28, hit a low at 82 on January
1-10, then peak again at 86 on January 21-24.
Predicted values over the next 45 days are 82 on December 18-24, 83
on December 25, 86 on December 26-28, then 85, 84 and 83 on December
29-31, 82 on January 1, 2021 through J
