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Originally Posted by BlackArcher101
Interesting... how will the radar be able to tell which car was speeding? Are they going to have one for each lane in each direction?
I'm 90% sure I've seen the loops being use for speed detection, I'll have to do some searching on the net for it a little later.
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I would think it would be exactly like how Multinova Photo Radar works now. We all see those silver vans parked in the most conspicuous places on Calgary's roads. They use Ka band radar to determine your speed by bouncing radar off your car. The doppler shift, or how much the radar changes when it is received back gives the speed of the car.
Ka Band is easy to pick up with any detector. RCMP will leave their mobile Ka band on all the time while driving, and I have even picked up the new Sheriffs with Ka band on inside the city. So don't speed if you're going by a sheriff.
Using the loop as speed detection is interesting...I will have to search around a bit.