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
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