Posted 2/6/2012 22:10 (#2210367 - in reply to #2210323) Subject: Re: Excavator Grade Question
NE South Dakota Clark, SD
http://www.ocalainstruments.com/ This has been out for 20 years. Currently uses laser to increase accuracy. They also have a full 3D version that uses dual RTK receivers. They are going to be releasing a single RTK version very soon.
Excavator Grade Question
