I also have to ask about the different calibration....radar guns send out waves and measure the speed with which those waves are returned to the device, basically a reflection off of the device that is moving toward the gun. So how would that be different between a small ball and a large ball? If this was true, then police better have a semi radar gun and a sub-compact car radar gun, and if they try to give me a ticket on my motorcycle I can really fight it!!!
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