The problem I was referring to is only associated with the use of RTK correction so if your client is using another correction source this will not be a problem. If they are using RTK, then this will be a major stumbling block. I have yet to figure out how to 'move' the data to fit the existing boundary. I've tried to do it in Toolbox but the large number of data points overwhelms Arcview and the program locks up.

As far as the position problem in relation to the centerline of the tractor... I do not believe this is a problem with Autofarm. In the calibration of the Autofarm, the centerline of the tractor is taken into account and the proper offsets are applied. I do believe this is then applied to the GPS output out of the Autofarm console.

I would be interested in hearing your experiences with this issue. If you get a chance, post an update -- one can never gather enough knowledge .