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
Who Needs Datums Anyway? PDF Print E-mail

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

 

Types of Resources

For unknown territory or re-visiting fundamentals

BASICS the essential facts to get the job done with just enough theory

TUTORIALS step-by-step guided directions for common software

Quick start & re-start guides

OFFICE and FIELD GUIDE for quick reference

TOOLS and tricks of the trade earned through experience

LINKS recommended paths for further exploration