ARRL

ARRL Propagation Bulletin ARLP019 (1995)

SB PROP @ ARL $ARLP019
ARLP019 Propagation de KT7H
 
ZCZC AP87
QST de W1AW  
Propagation Forecast Bulletin 19  ARLP019
>From Tad Cook, KT7H
Seattle, WA  April 28, 1995
To all radio amateurs 
 
SB PROP ARL ARLP019
ARLP019 Propagation de KT7H
 
Solar activity was down last week.  Flux values averaged 11 points
lower than the previous week, but the most significant number was
the zero visible sunspots for the past 4 days.
 
The most unsettled geomagnetic activity was on April 23, when the A
index was 23.
 
Solar flux is rising again, and should peak in the nineties around
May 12 through 19.  Disturbed conditions are forecast around May 4
and 20, with a very stable period between May 11 to 15.
 
Sunspot Numbers for April 20 through 26 were 36, 19, 14, 0, 0, 0 and
0, with a mean of 9.9.  10.7 cm flux was 86.4, 84.7, 83.9, 76.7,
72.5, 70.4 and 69.3, with a mean of 77.7.
 
The path projection for this week is to Andaman Island in the Indian
Ocean from Portland, Oregon, Pittsburgh, Pennsylvania and Dallas,
Texas.
 
>From Portland, check 40 meters around 1200 to 1330z, and 30 meters
from 1230 to 1500.  20 meters should be good most days from 1700 to
1830.
 
>From Pittsburgh on many days 20 meters should be good from 0000 to
0130z.
 
>From Dallas check 20 meters from 1300 to 1600z. On some days 17
meters could be open from 0000 to 0230.
NNNN
/EX