Excellent HF conditions greeted hams in the ARRL 10-Meter contest
last weekend. Recent indicators show a sudden shift to two digit
daily sunspot numbers from three, and although there is nothing
significant about 100, it makes one notice.
All daily sunspot numbers this week were 97 or less.
Perhaps this indicates a move off of solar maximum, or to a future
with a second maximum.
Solar activity was way…
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American Radio Relay League | Ham Radio Association and Resources – Read More
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