Posted 6/17/2008 21:15 (#399678 - in reply to #399543) Subject: Re: A+ lines
There could be simple differences like is it based off true north or magnetic north, then it could get a whole lot harder with calculations that take into account the curvature of the earth.
So from system to system especially across brands they could use different methods. i am not sure what calculations the Ez-Steer or JD ATU use.
A+ lines
