Article View: sci.electronics
Article #22094Re: Television detection.
From: Chris Ng
Date: Tue, 30 Jan 1990 18:11
Date: Tue, 30 Jan 1990 18:11
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In article <428@ssc.UUCP>, markz@ssc.UUCP (Mark Zenier) writes:
> In article <2981@servax0.essex.ac.uk>, zotog@sersun0.essex.ac.uk (Zotos G) writes:
> > In UK they use a system (detector, presumably a sort of receiver) to detect
> > a non-licence TV household.
> >
> > Does any out there has any idea of how this is done?
> > What exactly they detect ?
>
> An article (lost in the mists of time ) make me think they use leakage out
> of the IF, since they were listening for the sound.
>
> Another system picks up the horizontal sweep, and compares the phase to
> determine which station is being received.
>
> markz@ssc.uucp
How do they know the TV household is a non-licenced one?
--
Chris Ng
UUCP: {asuvax | hrc}!gtephx!ngc
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!asuvax!hrc!chanel!ngc From: ngc@chanel.UUCP (Chris Ng) Newsgroups: sci.electronics Subject: Re: Television detection. Message-ID: <48591bd2.1fbc0@chanel.UUCP> Date: 30 Jan 90 18:11:30 GMT References: <2981@servax0.essex.ac.uk> <428@ssc.UUCP> Organization: gte Lines: 35