Heightened sunspot activity over the past week no doubt produced the
great conditions during last weekend's ARRL 10 Meter contest.
Compared to the previous seven days, average daily sunspot numbers
jumped from 85 to 136.9, while solar flux averages increased from
137.5 to 150.
Geomagnetic indicators were lower, with planetary A index decreasing
from 14.4 to 7.7, and middle latitude A index from 9.1 t...
