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NOAA Datums Videos 2014

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

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Home Datums Basics NA2011 - Passive Monument changes
NA2011 - Passive Monument changes PDF Print E-mail

The following images, courtesy of Michael Dennis, NGS show the gridded coordinate differences for passive marks between NAD83(2011) epoch 2010.0 and NAD83(NSRS2007

Overview_NAD83_2011_and_2007_PASSIVE_MONUMENTS

Compare_NAD83_2011_and_2007_PASSIVE_MONUMENTS_horizontal_change

Compare_NAD83_2011_and_2007_PASSIVE_MONUMENTS_ellipsoid_height_change