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Is there any consistency as to when this happens? Once it jumps, does it stay there or will it move back? There are a lot of things that can cause this. Among them are:

Trees - Often times if you're along a tree row you will lose site of some satellites which will effect your position. However, this would typically fix itself when you get away from the trees.

Cab Interference - Some 2 way radios and other sources can cause interference with GPS. In these cases it is typically temporary (while a radio is in use) and the position goes back as soon as the source is turned off.

Satellite Drift - As the satellites in view changes (meaning that one or more satellites drifts away so you can't see them and/or new satellites come into view), your position can change. This is typically gradual, although it can be somewhat sudden. When this happens you will typically not see the program fix itself. The best answer to this is to use the "Recal" button to recalibrate Guide Mate. Recalibrating will move the path that you should be following so it is aligned with your current position.

I hope this helps!

R. Scott Nusbaum
Farm Works Software


GPS Drift

Larry Nolan April 28, 2005 12:00AM

Re: GPS Drift

R. Scott Nusbaum - Farm Works Software April 28, 2005 12:00AM

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