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Timely Topics

We now have 12 months of smoothed sunspot number data for Cycle 25 (thru June 2021). Cycle 25 continues to rise somewhat faster than the small Cycle 24. So far July has seen good sunspot activity. With this rise in Cycle 25 and progressing into the fall/winter months, we should see a noticeable improvement in propagation on the higher bands (15m, 12m and 10m).

ARRL DX CW 2012 - Which 10M Path

Is the ionosphere really lower

Grand Solar Minima

Butterfly Diagrams and Solar Minimum

A Look at All Twenty Three Solar Cycles

The Robust Equatorial Ionosphere


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