Here is an interesting theory about how planets affect sunspot cycles and hence radio propagation on Earth.

He doesn't get around to it until more a little more than halfway through the video .

Don't be put off by Hecklefish. To prevent his videos becoming boring lectures, AJ injects occasional

humor into them in the form of a talking goldfish that keeps putting him off his train of thought.

It actually makes the videos much more likable. I have gotten hooked on them.

Tom   N3CRK