>Later came UHF/625 lines, BBC2, colour, Channel 4, Five
>(desperate lack of imagination in naming! :-)

Lack of imagination yah reckon ?? Try looking at the names of the digital 
terrestrial ones ...

...

>The VHF transmitters were turned off many years ago, and
>the analog VHF transmitters
            ^^^
I think you mean UHF here ... ;)

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