Quote:
Originally Posted by kach22i
I'm told by someone who had to go to traffic ticket class, that the detection equipment can pick the fastest car out of a pack, and now the equipment tells them which one that is, and they don't have to guess, or look for " PORSCHE" on the rear reflector. 
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"Someone" was telling you bull**** - they cannot tell which target was going the fastest; the guns can be designed to lock/select the fastest or the strongest return, but cannot indicate which target was which - that is purely the officer's judgment, and unfortunately is frequently wrong. Radar units have a pretty wide beam, and reflections complicate the matter further.
Any situation in which there is any, or better yet, a reasonable doubt as to the exact target should be vigorously defended against in court. If you have a witness in/on your vehicle, all the better. The officer cannot definitively judge which object his equipment is recording as a target *except* in a clear one-on-one situation.
Many moons ago, I used to design the equipment in question and the variation in return strength, just from moment to moment, is pretty wild and can be affected by local conditions such as obstructions, buildings, guardrails, trees, etc. Go to court, politely tell the judge/arbitrator/etc. that there was doubt as to the exact target, describe the situation accurately and clearly, and more often than not you'll win.
Mike