Re: Prosecution Refused Disclosure For Speeding Charge.
"Any object, bridge, railway line, powerlines will cause interference and doubt the readings." Not true. Some of these MAY cause interference under some circumstances. However, interference is not additive to the reading it just cuts down on the range at which the officer may pick up the vehicle. I've never seen a stationary object like a bridge or a railway line cause any interference. A powerline may but I tend not to point the radar up in the air to read a powerline.
"Doppler effect of Radar will produce different readings for different kind of objects for example plastic car (Honda pilot) versus big all metal car (like Hummer) also different size like a difference between a small car like smart or a big truck or a bus." Not true. These examples will only affect the range at which the object can be picked up by the radar.
Most radar operators know that the beam covers all lanes of the highway. Thats why we tend to use our eyes to see which one is travelling faster.
btw.. There is no such thing as a "wrong reading" on radar just a wrong interpretation.