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It can be off by one mph either way. The way it's supposed to work is the officer, who has been trained to do so, estimates the vehicle's speed and then uses the radar to confirm his estimate. Audio helps determine which vehicle is being clocked.
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How do you clock your baseball pitch without a radar gun?
with a radar gun
A police radar gun measures the speed of a car by?
It measures the time it takes for the radar pulse to go from the radar gun to your vehicle and back. The pulse is fairly constant so the radar gun is getting updates and by comparing the updates to the time it can determine speed.
Does a radar gun work around a bend or curve?
A radar gun only works when there's a free line-of-sight betweent he gun and its target vehicle.
How far can a radar gun detect your speed?
A radar gun can detect the speed of vehicles of up to 1 mile, on an average. It depends on the radar gun's make and model, it may detect farther than 1 mile.
Can radar detectors tell you if a cop car is near you?
Only if he has his radar gun on. Radar detectors are not cop detectors.
How do you calculate a horse's speed?
Radar gun.
How can we detect the speed of the ball?
get a radar gun.
When was the radar gun invented?
March 1954
What is a speed trap gun?
A radar gun police use to check for speeders.
Can a radar detect you on a jet ski?
Yes, a radar gun can be used on any moving object.
In Tennessee what are the requirements for radar gun certifications and how often do officers have to be certified?
TN does not require radar certification. They only require working knowledge of thegun and how radar works. they do require the gun itself to be certified though.
How is a driver clocked by a police car?
a radar gun
