1.
The officer must establish the time, place, and location of the radar device; the location of the
offending vehicle when the offence took place; that the defendant was driving the vehicle; and
that State law regarding the posting of speed limits and radar signs had been complied with.
2.
The officer must state his qualifications and training.
3.
The officer must establish that the radar device was operating normally.
4.
The officer must establish that the radar was tested for accuracy, both before and after its use,
using a certified tuning fork or other accepted method.
5.
The officer must accurately identify the vehicle.
6.
The officer must have seen that the vehicle appeared to be speeding and estimated how fast.
7.
The officer must have gotten a radar speed-reading that agreed with the visual estimate of the
target vehicle's speed.
8.
If a Doppler audio feature is present on the radar device, the officer is strongly encouraged to
establish that the audio Doppler pitch correlated with both the visual speed estimate and the radar
reading.
9.
If moving radar is used, the officer must testify that the patrol speed indicated by the radar was
verified against the speedometer at the time the speed measurement was obtained.
In addition, MPH recommends that the vehicle’s distance as indicated on the Ranger EZ be compared with the
officer’s estimate of the vehicle’s distance. As the vehicle is tracked, the speed should be consistent (not erratic)
and the distance of the vehicle progressively move along the Range bar.
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