3 ms·

i did a track day up there years ago who was chp and was trying to explain you had to take trigonometry to me for taking the radar speed of a vehicle at an angl

by joshu 7y ago

i did a track day up there years ago who was chp and was trying to explain you had to take trigonometry to me for taking the radar speed of a vehicle at an angle...

dmckeon 7y ago
Vehicle speed within traffic lane, or relative speed along a vector to/through the radar device - which vector might be at a significant angle to the traffic lane?