Spatial -

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 GPS
Where are You? PDF Print E-mail


Global Positioning Systems (GPS) have revolutionized everyday life.

This section discusses mapping grade units and available mapping tools.   Since most of our students bring Trimble mobile devices to class, this particular brand of units is discussed.

‘Perspective’ art piece by Trey Watkins, Black Rock Desert, 2007. When sitting on a couch from this vantage point, the blocks line up to form a message. The "A" block was only a few inches tall while an "E" block in the distance was 10 feet tall.


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