Четверг, 21.11.2024, 11:00
23 May 2020 A.R.I. DX Bulletin
No 1516
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Edited by I1JQJ & IK1ADH
Direttore Responsabile I2VGW
Owing to the ongoing and fluid nature of the COVID-19 situation globally,
announced activities might be c
...
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SB PROP @ ARL $ARLP021
ARLP021 Propagation de K7RA
ZCZC AP21
QST de W1AW
Propagation Forecast Bulletin 21 ARLP021
From Tad Cook, K7RA
Seattle, WA May 22, 2020
To all radio amateurs
SB PROP ARL ARLP021
ARLP021 Propagation de K7RA
Still no sunspots to report. Spaceweather.com reported on May 20
that the current stretch of days with no sunspots has now reached
18. And with that the 2020 percentage of days with no sunspots has
risen to 77%, equal to 2019. Until May 15 that statistic stood at
76%.
Average daily solar flux for the week rose to 69, marginally higher
than last week's average of 68.5. Average planetary A index
declined from 4.1 to 3.7, while average mid-latitude A index shifted
from 4.7 to 4.
Predicted solar flux for the next 45 days is 70, every day from May
22 through July 5. Predicted planetary A
