December 2020 was a good month for Cycle 25 sunspots - a bit lower than November, but we’ll take it! It’s still too early to make a guess as to what Cycle 25 might do.

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