Spatial - Ed.com

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

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

Home Datums Basics

DATUMS are the GEOGRAPHIC part of a Geographic Information System (GIS).

This section provides the essential, fundamentals needed by all GIS users.

Datums, coordinates systems and projections .... oh my !

datum_mismatch

The successful exchange of any spatial data requires an basic understanding of the essential principles.  While these topic challenges even the most advanced users, GIS is meaningless without them. 

...... from the EVER CHANGING world of datums !

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


Title Filter 
# Article Title
21 Difference: NAD27 and NAD83
22 Difference: WGS84 and NAD83
23 Difference: NAD83 and ITRF
 
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