> This wasn't written for a technical audience (or they wouldn't have had to explain what each band was), "everyone" knows what AM and FM radio are, and few kno

> This wasn't written for a technical audience (or they wouldn't have had to explain what each band was), "everyone" knows what AM and FM radio are, and few know (or care) that they are modulation modes. I think it's worth pointing out that the difference between AM and FM being modulation is right in their respective names: Amplitude or Frequency Modulation. It's very descriptive - not exactly rocket science.