Posted 2/19/2012 02:34 (#2237570 - in reply to #2234175) Subject: Re: Antenna for Trimble 250
Minnesota
EZ-Guide 250 will come with a "hockey" puck antenna capable of doing almost nothing with autonomous corrections. AG15 is the only supported upgrade to get to WAAS corrections. If you call around, I'm sure you can find a dealer that has a used Ag15 fairly cheap.