stanb at dial.pipex.com
Sun Aug 13 03:08:34 CDT 2006
Roy J. Tellason said:
> On Saturday 12 August 2006 07:49 pm, Don wrote:
> > IIRC, in the UK they have mobile units that wander around trying
> > to see how many televisions each home has (?)
> I remember reading about that some time ago (decades?), and wondering since
> then how much that whole thing had gotten messed up since computer monitors
> had come into the picture.
The detector vans looked for the local oscillator radiation from the tuner,
uhf for the past 20 years or so, using a pair of rotateable horn antennas
to get a precise fix on the set. I don't think they use them any more,
I've not seen one for years.
Stan Barr stanb at dial.pipex.com
The future was never like this!
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