On Fri, 17 Dec 2004 13:46, Rex Johnston wrote: > >>Using steel core coax for video is not such a good idea. Video signal is > >> only one volt peak-to-peak and it soon vanishes when pushed through a > >> long run of steel cored coax. > > I think what Wayne is trying to say is that composite video (which is a > wideband signal) does not travel well in *steel* core conductors as > wideband signals do not necessarily travel only in the outer surface of > the conductor (see skin effect) as RF signals do. > > Steel core (usually copper clad) coax wire is for RF only. Steel for > strength, copper clad because that is where the signal is "traveling".
Yup, that's the beef. Wayne
