Posted 11/4/2018 22:21 (#7085231 - in reply to #7085144) Subject: RE: Trimble 252
NW KS
Is this an insight with autopilot using a hydraulic steering valve and navII control. If so the navII control may also need some calibration work. The most common cause of things being off from one pass to another is the Roll Calibration on the navII control.