ARRL

ARRL Propagation Bulletin ARLP012 (1995)

SB PROP @ ARL $ARLP012
ARLP012 Propagation de KT7H
 
ZCZC AP80
QST de W1AW  
Propagation Forecast Bulletin 12  ARLP012
>From Tad Cook, KT7H
Seattle, WA  March 10, 1995
To all radio amateurs 
 
SB PROP ARL ARLP012
ARLP012 Propagation de KT7H
 
Average solar flux was about the same last week as the week
previous, although the short term trend has been downward.
Geomagnetic activity was up and down, with days of active levels
followed by a day or two of quiet before more activity.
 
Solar flux should rise to around 95 after the middle of the month,
followed by a dip again to the low eighties by March 24.  Recurring
coronal holes should cause some upset for the next few days, and
again around March 27 to 29.
 
Sunspot Numbers for March 2 through 8 were 71, 68, 80, 85, 55, 50
and 38, with a mean of 63.9.  10.7 cm flux was 90.3, 91, 89.1, 84.2,
83.5, 84 and 80.8, with a mean of 86.1.
 
This week's path projections are from Thailand to Hawaii,
Minneapolis and Boston.
 
To Hawaii, 80 meters should be good from 1100 to 1700z, and 40
meters from 1030 to 1800.  30 meters should be open from 1000 to
1830, and 20 meters from 0700 to 1400 and again around 1730 to 1930.
Check 17 meters around 1800 to 1830 and 2300 to 0800.  15 meters
should be good from 2330 to 0700, 12 meters from 0000 to 0600 and 10
meters from 0030 to 0530.
 
To Minneapolis, 40 meters should be open from 1130 to 1300z, and 30
meters from 1300 to 1500.  20 meters should be open from 1530 to
2000, and 17 meters around 1800.
 
To Boston, check 40 meters around 2230 to 2330z, and 30 meters from
2100 to 0000.  Try 20 meters from 1300 to 2030.
NNNN
/EX