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By Peter
#1286
If we have 2 opposing corner reflectors mounted on a rotating rod and fitted with dipoles at police speed camera/radar frequencies you could put a negative offset on your speed.

I have tested this and it works well on 24 Ghz radar and 33 Ghz cameras. Never ever get a speeding fine again. Is it legal? It is passive and will work a treat.

Reward: No fines if you build it.
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By Steve
#1312
Too bad, I ran out of corner reflectors fitted with dipoles (and my supply of rotating rods is also quite low). Can I use two empty beer cans and stick them on my car antenna? O:-)
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