Differential correction with NA2011 and the newest epoch of NAD83
See our and Datums Basics and GPS Tutorials for the long-awaited results of months of rigorous testing and peer review
Trimble Positions software has replaced Trimble GPS Analyst in ArcGIS 10.1
ALASKA GPS and GIS users - check out Joel Cusick's Datum and Projections presentation Feb 2013
ArcGIS 10.1 - New and Cool improvements see Presentation from Melita Kennedy, ESRI : Projections and Datums Dec 2012
...... from the EVER CHANGING world of datums !
Case 4 to be updated eventually
Read our National Adjustment 2011 page to help choose between the newer NAD83(2011, PA11, MA11) or NAD83(CORS96, PacP00, MarP00)
Username
Password
Remember Me