Article View: sci.electronics
Article #15058Re: Can Cable TV Descramblers really be detec from outside ???
From: Alex Novickis
Date: Tue, 22 Dec 1992 19:51
Date: Tue, 22 Dec 1992 19:51
26 lines
1735 bytes
1735 bytes
In article <1992Dec21.002312.27582@galileo.cc.rochester.edu> dbak@elm.lle.rochester.edu (Douglas Baker) writes:
>
>
>In our local paper there has been talk of detecting Il-legal cable TV
>descrablers from outside the home. I can think of two possible ways
>this can be done but there may be others.
>
> 1) use a sensitive spectrum analyzer to find out which channel
>is being watched by looking at the local oscillator freq.
>
> 2) modulate a signal into the channels which aren't part of
>basic and when these pay channels are watched the signal would be
>radiated out the picture tube and detected.
>
> If anyone knows if any of the above methods are used or how
>this is done could you reply to the net ? I'm sure many others out
>there will be interested.
Not really related, but - I know in our area we have cable boxes
that transmit back billing information (IE - what pay-per-view stuff
you watched) on at least a daily basis.
--
Alex P. Novickis, Real Time systems demi-guru. (W) 408-862-4541
ALINK:alex.n (H) 415-691-0657
UUCP:{amdahl,claris,pyramid,sun,decwrl,well,ubvax,ames}!apn@apple.com,apn@nonvon
"I think... I think it's in my basement. Let me go upstairs and check"-Escher.
Technical Details
Message-ID:
<75870@apple.apple.COM>Path:
arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!stanford.edu!apple!apnReferences:
<1992Dec21.002312.27582@galileo.cc.rochester.edu>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!agate!stanford.edu!apple!apn From: apn@Apple.COM (Alex Novickis) Newsgroups: sci.electronics Subject: Re: Can Cable TV Descramblers really be detec from outside ??? Message-ID: <75870@apple.apple.COM> Date: 22 Dec 92 19:51:23 GMT References: <1992Dec21.002312.27582@galileo.cc.rochester.edu> Organization: Apple Computer Inc, Cupertino, CA Lines: 26