[South Florida DX Association] ARLP050 Propagation de K7RA

[Bill Marx]

SB PROP @ ARL $ARLP050
> ARLP050 Propagation de K7RA
> 
> ZCZC AP50
> QST de W1AW  
> Propagation Forecast Bulletin 50  ARLP050
> From Tad Cook, K7RA
> Seattle, WA  November 28, 2005
> To all radio amateurs 
> 
> SB PROP ARL ARLP050
> ARLP050 Propagation de K7RA
> 
> Because of the holiday last week, Propagation Forecast Bulletin
> ARLP049 went out without the usual weekly data at the bottom. The
> data appears at the end of this bulletin.
> 
> Average daily sunspot numbers rose over 27 points to 48.1. Average
> daily solar flux values were up 9 points. Geomagnetic indices were
> on the average lower.
> 
> Daily solar flux is expected to stay around 80 until December 5,
> when it is expected to decline. The predicted planetary A index for
> the next five days is 12, 10, 15, 20 and 20. This indicates
> recurring geomagnetic disturbance, especially toward the end of this
> week.
> 
> If you would like to make a comment or have a tip for our readers,
> email the author at, k7ra at arrl.net.
> 
> For more information concerning radio propagation and an explanation
> of the numbers used in this bulletin see the ARRL Technical
> Information Service propagation page at,
> http://www.arrl.org/tis/info/propagation.html. An archive of past
> bulletins is found at, http://www.arrl.org/w1aw/prop/.
> 
> Sunspot numbers for November 17 through 23 were 62, 51, 52, 56, 45,
> 36 and 35 with a mean of 48.1. 10.7 cm flux was 100.5, 101.1, 102,
> 96.4, 94.7, 92.6, and 89.7, with a mean of 96.7. Estimated planetary
> A indices were 3, 4, 10, 7, 3, 6 and 8 with a mean of 5.9. Estimated
> mid-latitude A indices were 1, 2, 6, 5, 2, 3 and 12, with a mean of
> 4.4.
> NNNN
> /EX
> 
> 
>