Posted 6/24/2008 12:40 (#403650 - in reply to #403618) Subject: RE: Field Levelling
check out these websites http://www.trimble.com/agfieldlvl.shtml http://www.agpsinc.com/
If you want to use GPS for elevation control it will need to be RTK. If you want to use GPS for path guidance only and Laser for elevation then DGPS accuracy will work.
Field Levelling
