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From: larry@kitty.UUCP (Larry Lippman)
Newsgroups: net.video
Subject: Re: Satellite Signal Scrambling (FLAME!)
Message-ID: <907@kitty.UUCP>
Date: Sun, 23-Mar-86 16:08:52 EST
Article-I.D.: kitty.907
Posted: Sun Mar 23 16:08:52 1986
Date-Received: Tue, 1-Apr-86 00:13:59 EST
References: <156@jc3b21.UUCP> <733@ihlpm.UUCP> <529@tekcbi.UUCP> <728@olivee.UUCP> <669@anasazi.UUCP>
Organization: Recognition Research Corp., Clarence, NY
Lines: 28
Summary: Proving unauthorized MDS reception is easier than you think

In article <669@anasazi.UUCP>, john@anasazi.UUCP (John Moore) writes:
> >You are absolutely correct.  The problem then stems from the point of proving
> >that you are "hammin'" and not "stealin'".  However, those with a ham license
> >and demonstrating that they had the proper equipment for ham tv were not
> >pursued.
> Wrong! THEY have to PROVE that you were stealin and not hammin!

	The method of proving unauthorized reception of MDS services is rather
easy: using a directional antenna aimed at the "suspect antenna", the RF energy
radiating from its local oscillator can be easily measured.  If the difference
between the measured frequency and the MDS broadcast frequency corresponds to
an IF frequency of a television channel (usually channel 6 or 7), this is
presumptive evidence (along with antenna azimuth) of unauthorized reception,
and is probable cause to seek a search warrant for criminal prosecution.
	One "nice" thing about criminal prosecution (as opposed to a civil law
suit) in these matters is that the MDS company incurs no legal expenses; the
county and state pay for the criminal prosecution.
	So, I suppose that people bent upon unauthorized MDS reception can
solve this "detection problem" by means of a double conversion system which
effectively renders it impossible to determine the receiving frequency from
the first oscillator radiation.  :-) :-) :-)

==>  Larry Lippman @ Recognition Research Corp., Clarence, New York        <==
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