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Cedar Rapids, Iowa | I can't wrap my mind around the issue well enough to know if the East/West lines will match or not. With the exception of the Equator, lines of Latitude aren't straight from the perspective of being on the ground. Without looking at the code in each system, it is hard to say how that is being handled in each system.
Someone needs to get two tractors, one with Trimble, and one with Deere, both on RTK, and do some real world testing. The easiest place to do this is gravel roads in some part of the world where everything is set on a 1 mile grid. Set an A+ line on each system using the same A point, then drive a few miles away East/West and engage the autosteer on the first pass. See if they line up. Then go North/South a mile and see if they're any further off, both straight North/South of the A point, and also several miles East/West. If there is a difference, it will be more exaggerated (and more visible) on a 1 mile scale than what you could see in a 160 acre field.
-Lance
Edited by mx270a 9/9/2011 18:51
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