ARLP036 Propagation de KT7H: August 25, 1995

Propagation Forecast Bulletin 36 ARLP036
From Tad Cook, KT7H
Seattle, WA August 25, 1995
To all radio amateurs

ARLP036 Propagation de KT7H

Average solar flux was unchanged from last week. The geomagnetic field was quite stable, with A indices in the single digits and the K index often at zero. Solar flux is expected to rise gradually and only slightly into the mid 70s over to the next couple of weeks, and then drop off to around 70 or below. There may be an upset due to coronal holes around September 5 and 6 and again on the 9th through the 11th.

The exciting news recently was that the first sunspot of the next solar cycle was detected. Although we are probably a year away from the minimum of solar activity between the two cycles, the first sunspot of cycle 23 has just been observed. The spot is identified as being part of the next solar cycle by looking at the magnetic polarity of the sunspot.

Sunspot Numbers for August 17 through 23 were 36, 0, 12, 13, 0, 11 and 11, with a mean of 11.9. 10.7 cm flux was 69.8, 71.9, 71.6, 71.3, 71, 70.3 and 74.3, with a mean of 71.5.