Howard Armstrong and Frequency Modulation

Frequency modulation or FM radio transformed how we communicate.  It was, as Armstrong’s nemesis David Sarnoff said, “a revolution”.  There are videos, books, and articles about this history but they seem to skim over the science.  In fact, I haven’t seen any videos or articles that simply and accurately describe how Armstrong’s original system actually worked!

This video is my attempt to explain how and why Armstrong invented FM radio and how it was so amazing that it led to his destruction....