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RE: FCC Rules: The Straight Dope
TCs produce "Class B emissions" which are damped waves. Part 15 allows
spread spectrum emissions via several methods, but specifically prohibit
Class B intentional radiators. Interestingly, Part 18 does not mention
modulation restrictions at all, I will look into this some more.
Will
> <snip>
> Original Poster: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
>
> Just curious:
>
> How does spread spectrum radiation fit into rules that appear to deal
> with defined frequency bands? An out of tune TC in particular is a
> spread spectrum device of sorts.
>
> Malcolm
>
>