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todvango
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It is possible. It's a bit more difficult when the vehicles are traveling in the same direction, but opposite direction, no problem!
Check out this article (complete with animations...)
http://electronics.howstuffworks.com/radar-detector1.htm
As other have stated, exactly how accurate everything is... That's another question altogether. |
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8-) Nurf Herder
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You betcha! From just about any directions these days. And don't think you can fool the radar with tin foil or reflectors. It is pretty much "fool proof". |
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Rango
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Yes, radar is calibrated to factor in the speed of the vehicle it is tracking and the speed of the vehicle it is mounted in. As for the accuracy, that has always been a disputed issue. |
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synxz001
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Yes, very simple, subtracting their speed from what reads on their radar... it's all simple math mixed with infrared or sonar. |
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floydsimpalass
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Yes he can. And this works very well. |
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Fred C
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It is called Doppler Radar. It measures speed differential between target and police vehicle. It is very accurate, and has been around for a long time. |
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Johnny B
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Radar knows and sees all. Resistance is futile. Just wait till they start hiding cameras like they do in Europe |
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slackersautocreations
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If the Officer was approaching you at 45 and you were doing 55 then the radar gun would say 55. Radar is based off a Point of Inertia, which is usually the ground underneath or in front of the car, but can also be buildings, walls, other solid objects. It doesn't matter how fast or in what direction the cop was going, if the gun can pick up a point of inertia, then it can see your speed. |
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wvparanormal
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A radar unit has a stationary mode and a mobile mode. When in mobile mode it actually clocks the speed of both vehicles then subtracts the speed of the vehicle it's mounted in and reads out the other vehicle's speed. If it is in stationary mode and the cop car is in motion it will only clock the speed of the cop car. |
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I AM BACK
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it is called RADAR................................ |
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Askepios
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Yes it is. My first speeding ticket I got was from a cop heading down the opposite lane. I was going 55 in a 45 and didnt bother to slow down because I did not think he could get me. I was wrong. |
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loco_tech85
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Your question isn't very specific, what do you mean by opposite lane:
Do you mean - you're going southbound and the officer is going northbound? if so the answer is yes, if, the officer has moving radar and it's set to monitor speeds of vehicles moving towards him/her.
Or do you mean - travelling in the same direction as you but in a different lane? if so, the answer is also yes, the officer can "clock" or "pace" your speed with the calibrated speedometer in the police car.
Or do you mean - your travelling southbound and the officer is parked in the other direction? if so, the answer is yes, if the officer has a "laser" device. |
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flowerpet56
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yes - the tech is out there............... |
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Mike B
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Yes. If the police officer was going 45 mph and you were going 55 mph it would show that your combined speed was 100 mph he would then subtract his speed and then he would know your speed. |
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cgriffin1972
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Yes he can - BUT
Get the print out of the reading, and make sure that the speed gun was calibrated which is done at the begining of every shift change.
The gun is pointed at the wall and must read 0MPH, then the sargant signs it in. If this is not done, and you have proof - you will beat the ticket in court.
Been there done that 3X now. |
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