SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP53
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 28, 2012
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
An error crept into data reported in last week's
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 23, 2011
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
Average daily sunspot numbers this week were about the
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 30, 2010
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
There were no sunspots for a full week, from December
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 12, 2008
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
Finally this week a sunspot group appeared, and this
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 14, 2007
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
Sunspot 978 made a strong showing this week, and daily
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 15, 2006
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
Big solar and geomagnetic activity this week from
SB PROP @ ARL $ARLP052
ARLP052 Propagation de K7RA
ZCZC AP52
QST de W1AW
Propagation Forecast Bulletin 52 ARLP052
From Tad Cook, K7RA
Seattle, WA December 17, 2004
To all radio amateurs
SB PROP ARL ARLP052
ARLP052 Propagation de K7RA
The 7-day averages for solar flux and sunspot numbers