Learning to Fly
- Sep 27, 2011
- Reaction score
The van was on the curve not parallel
Text from AGD340 Manual (Redflex Speed-Camera Radar Section)
Radar Mounting Angle
Radars are supplied factory programmed to be used for a specific mounting angle, usually to 22 degrees. This angle is the angle the radar points across the road from the direction of the road, see diagram below. The angle a radar is setup for is printed on the top side of the radar. The angle is also reported in valid detect messages and the command *AD may be used to determine it. This angle is used by the radar to adjust the speed the radar measures to the actual target speed and therefore it is important the radar is setup with the correct angle. If the radar is setup with an angle that is less than the mounting angle then the radar will measure speeds that are larger than the vehicles true speed, while if the angle is greater than the mounting angle the radar will measure speeds that are less than the vehicles true speed.
Note the last sentence describing: "angle is less or more than which is printed on the top side of the radar" producing inaccurate readings.