SB PROP @ ARL $ARLP032
ARLP032 Propagation de K7RA
ZCZC AP32
QST de W1AW
Propagation Forecast Bulletin 32 ARLP032
From Tad Cook, K7RA
Seattle, WA August 7, 2020
To all radio amateurs
SB PROP ARL ARLP032
ARLP032 Propagation de K7RA
Sunspot cycle 25 is well underway. We saw one new spot last week, on
July 28, and two new ones this week on August 2 and 3. The daily
sunspot numbers were 22 and 23 on the dates of their appearance, and
the total sunspot area grew on Wednesday to 160 millionths of the
visible solar disc.
The total sunspot area was smaller the next day, August 6, but the
daily sunspot number increased from 13 to 14.
Sunspot area has not been as large since May 2019, when it ranged
from 140 to 410 millionths of the solar disc over a two week period.
Average daily sunspot number for July 30 to August
...
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