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Old 1st Aug 2011, 5:48 pm   #17
Join Date: Feb 2007
Location: Lynton, N. Devon, UK.
Posts: 5,229
Default Re: TV Detector Vans

It would be great for a Forum member to find and restore an old detector van! Not much chance though, I bet...

Originally Posted by Skywave View Post
In which case, detecting the local oscillator radiation - and thus deducing what channel the set was tuned to - would also have been possible.
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
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