Re: Radar detector/jammers (fwd)

[esw5@postoffice2.mail.cornell.edu (Ernest Wong)]

[excerpted from Thomas Tornblom]
>Now I'm no great believer in "too good to be true" gadgets. Thet
>normally are just that ;-). I'm also not a radar scientist, but have
>some basic knowledge of microwaves and physics.
>
[snip]
>
>But wouldn't normally only a tiny fraction of the emitted energy be
>reflected back? The random shapes of the body would reflect it in
>other directions than back to the receiver. If you now have an antenna
>that actually reflects most of the received energy back in the same
>direction, then it wouldn't be too hard to jam the receiver.
[snip]

I read some time ago ( C&D, I think ) that a lot of the reflected signal
going back to the radar gun was from the large vertical (metal?) surfaces
in a car. The article stated that the headlights, license plate and the
radiator were pretty good at bouncing the signals back.
just what i remember . . .

Ernest Wong
email: esw5@cornell.edu