CDR: Re: BSA deploys imaginary pirate software detector vans

[David Honig]

At 08:13 PM 11/13/00 -0500, Neil Johnson wrote:
>The general idea is to pick up and decode the RF emissions generated by the
>CPU, Memory, I/O and Video systems to figure out what the computer is doing.
>
>It takes some work (not as much as you would think), but there have been
>documented demonstrations where the video signals from a PC were picked up
>and reproduced on another monitor several hundred feet away.

Get an AM radio.  

Write a program to paint and clear the CRT at two different,
rates and alternate between them.  

Now locate the alternating tones on your radio.