It would be great for a Forum member to find and restore an old detector van! Not much chance though, I bet...
Quote:
Originally Posted by Skywave
In which case, detecting the local oscillator radiation - and thus deducing what channel the set was tuned to - would also have been possible.
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How? I thought that by the time colour TV arrived, both the BBC and ITV timebases and colour subcarriers were so accurately generated that you couldn't distinguish between them