Re: Tempest today

[Michael Holstein <michael.holstein () csuohio edu>]

> Another missed cue for someone to speak about are LAVD (Laser Aided
> Vibration Detectors) which most will NOT find on Google if they searched
> that EXACT term. 

The folks at Information Unlimited (the ones that advertise in the back
of all the Popular Electronics, etc magazines) have been selling a kit
to do this for years. They call it a "laser listener".

Simple diode laser + optics + receive amplifier. Catches the vibrations
of the window due to speech inside the office (and it *does* work).

Look here : http://www.amazing1.com/laser-listener.htm

You can get a kit that'll do 500' range for $349 or fully assembled for
$499.

/mike.

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