Posted by Rick [162.158.255.138] on Tuesday, April 05, 2016 at 18:12:07 :
In Reply to: road speed posted by Jerry in Idaho [162.158.68.47] on Tuesday, April 05, 2016 at 12:52:17 :
I figured it was easier to calibrate the dog's ears. 1/2 back = 30 mph, all the way back = 60 mph. Only works when his head is out the window however.