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Re: Again: [hrdware] anti-Tempest video settings

2 expanded posts ยท every known parent and child

NODE e9d97433Re: Again: [hrdware] anti-Tempest video settings
At 08:02 PM 5/11/96 +0000, you wrote:
>But of course.  But what I want to know is: is there some 
>combination of 
>display colors that will be visible for the eye, but not for the 
>Tempest equipment?  
I am not an electrical engineer and do not play one in real life. However in
my on TEMPEST I heard nothing about varying colors to reduce RF radiation
from a monitor. Just set up a Faraday cage, much simpler.

>That might answer it.  I suppose that if some "stealth" settings 
>exists, they are highly hardware dependent.  
Better to get TEMPEST rated hardware then... check government surplus...
I've had reports of TEMPEST class computer cases being sold with power
supplies real cheap...

>My question was not "would it work in all instances?" but rather
>"had this tactic been implemented successfully in *some* instances?"
Not that I have ever heard... 

Hopefully I am not feeding this troll too much.
>Or, to the contrary, is it reasonable to assume that modern Tempest
equipment can
>work around theses impediments almost all of the time, therefore 
>making any attempts at this futile?
No modern equipment can detect radiation that does NOT leave a Faraday cage.

   Adam, Esq.

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NODE aaf1ef58Re: Again: [hrdware] anti-Tempest video settings
> >display colors that will be visible for the eye, but not for the 
> >Tempest equipment?  
> I am not an electrical engineer and do not play one in real life. However in
> my on TEMPEST I heard nothing about varying colors to reduce RF radiation
> from a monitor. Just set up a Faraday cage, much simpler.

Varying the colours does not reduce RF radiation. It just obfuscates it
by making the radation given off by the three colour beems and their
cables equal in extant (at least, far more equal). Remember the
Black button on the Black console in the Black ship that lights up Black?

-- 
"Of all tyrannies a tyranny sincerely  exercised for the good of its victims  
 may be the most  oppressive.  It may be better to live under  robber barons  
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 torment us for own good  will torment us  without end,  for they do so with 
 the approval of their own conscience."    -   C.S. Lewis, _God in the Dock_ 
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