Четверг, 21.11.2024, 10:34
6 April 2019 A.R.I. DX Bulletin
No 1457
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Edited by I1JQJ & IK1ADH
Direttore Responsabile I2VGW
PERIOD CALL REF
till 06/04 3W9JF: Vietnam 1446
till 07/04 8Q7DM: Maldives (AS-013) 1455
till 10/04 6Y5KB: Jamaica (NA-097) 1452
...
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SB PROP @ ARL $ARLP014
ARLP014 Propagation de K7RA
ZCZC AP14
QST de W1AW
Propagation Forecast Bulletin 14 ARLP014
From Tad Cook, K7RA
Seattle, WA April 5, 2019
To all radio amateurs
SB PROP ARL ARLP014
ARLP014 Propagation de K7RA
Sunspots have been coming and going, and now this week they
returned.
No sunspots were seen from January 31 through March 4, then from
March 13 to 17, and again March 25 to 30. They returned on Sunday,
March 31 but only lasted four days, through Wednesday, April 3.
Sunspot numbers over that period were 14, 17, 18 and 17.
Average daily sunspot numbers declined from 16 in last week's report
to 9.4 this week. Average daily solar flux declined from 75.2 to
69.5. Average daily planetary A index rose from 3.7 to 8.4, while
average middle latitude A index went from 3.9 to
