What is a radar “stalking” procedure?

A radar “stalking” procedure involves approaching a target vehicle to measure its speed. This method allows an officer to use radar to determine the speed of a vehicle as they close the distance. By moving closer to the vehicle in a controlled manner, the radar unit can more accurately capture the speed reading, especially in situations where the target may be moving in relation to stationary objects. This technique is particularly useful for obtaining reliable speed measurements while ensuring safety for both the officer and other road users.

The procedure requires careful monitoring and typically involves officers positioning themselves in a way that allows for an optimal angle to measure the speed, avoiding interference from surrounding vehicles and objects. The procedure also hinges on the principle of Doppler effect, where the frequency of the radar waves changes according to the speed of the target vehicle, allowing for accurate readings during the “stalking” process.