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If your vintage set doesn't have automatic color level control, you will definitely see differences off-air from channel to channel just due to antenna response and channel variaton (ghosts). The ghosts don't have to be very prominent in the monochrome to cause strong distortion in the chroma frequencies.
Regarding VIR, one thing that happened to it is that some stations started inserting it just before the transmitter, using it it as a indication of their transmitter's correctness. This broke the chain of correction, which was supposed to go all the way back to the originating studio.
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12-30-2005, 03:04 PM
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