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Timely Topics

With 11 months of smoothed sunspot number data so far for Cycle 25, the above plot shows Cycle 25 still rising a bit faster than Cycle 24 - but certainly not as fast as Cycle 19.

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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