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Learning about shortwave radio is a step by step process. One key point is a topic called modulation. It means adding information to a carrier wave either by amplitude, frequency, or phase.

This video shows how AM and FM radios work and answers an interesting question:

Why does lightning interfere with AM but not FM signals?

If you know the answer, you're probably a ham radio junkie and don't need to watch this video. Otherwise, enjoy!

Learning about shortwave radio is a step by step process. One key point is a topic called modulation. It means adding information to a carrier wave either by amplitude, frequency, or phase. This video shows how AM and FM radios work and answers an interesting question: *Why does lightning interfere with AM but not FM signals?* If you know the answer, you're probably a ham radio junkie and don't need to watch this video. Otherwise, enjoy!

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Well you certainly have more time in the General class than I do. The code was our stumbling point back in 70s. Bunch of us wanted to make the move but the Idea of send/ rec 5 words in a minute scared us off. Wish I'd been less foolish