Nomen

Check Popular Mechanics and the other magazines like that. I've seen
them advertised in some of the pubs.

That being said, any device that radiates is illegal without a license
(which you cannot get) so you will go from the frying pan into the
fire if caught with a jammer (

A number of years ago I designed and built a corner reflector system
that was rotated by the wind stream as the car drove along. It rotated
at a speed based on wind stream and the theory was that it would
reflect the radar signal back to gun and show an off scale reading. I
also tried a slower speed so the returned signal would show a lower
speed than vehicle actual. Since the signal being reflected was the
same principal as the return from the vehicle (no active radiator) it
would be legal.

Bottom line, I found that if I made the corner reflectors a reasonable
size, then they did not reflect a larger signal than the automobile.
They would have had to been so large to work they would have been
impracticable to mount on the automobile (front bumper, etc.)

My device was wind driven and had a rather slow rotational speed.
Maybe one of these days will modify and drive the system with a 12V DC
motor and gearing to get a rotational speed of 5K-10K so effective
area will exceed the return from the automobile reflective area.

Interesting project and may one of these days do some further work on
other legal methods of blocking/modifying radar gun signals. G Have
also been making some napkin drawings of using the Luneberg Lens
principles. Also a method of shifting the radar return frequency
(passively) to give legal speed readings (or a zero reading on
officers gun).

Now what does this have to do with flying. System could be placed on
aircraft to change (augment, eliminate or modify) return.of pulse type
radar.

Big John


On Fri, 20 Feb 2004 10:30:03 +0100 (CET), Nomen Nescio
] wrote:

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From: SD sdatverizondot.net@

I again started tracking him with my radar. My LED
readout then showed JAMMED. I had to laugh as I could just see him
shooting me the bird as he flew by.

Where can I get one of them ECM thingys for my car?

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