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About European TV frequencies, the sound carrier IIRC is 5.5MHz instead of 4.5MHz here in the USA. Not a big deal, as one can add extra capacitors to get the sound IF down from 5.5 to 4.5Mhz. Most everyone uses FM for TV sound, though I think a few countries use AM for sound. Must sound like hell, what with the video getting into it. FM rejects most of that.
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