shrug-l: GPS elevation accuracy

[Tripp Corbin]

Alex,
What you need is Survey grade GPS equipment. This type of equipment has
the ability to collect data with sub-centimeter or better horizontal
accuracy. Vertical accuracy for GPS units is about 1 1/2 to 2 times the
horizontal. Just about any survey equipment company carries such units.
We have them in addition to our GIS grade units. If you are looking for
a supplier, we get our survey grade stuff from Allen Precision. Here is
a link to their website: http://www.allenprecision.com/
 
 
 

Tripp Corbin, MCP, GISP

Associate Vice President, GIS/Mapping

ESRI Authorized Instructor

Keck & Wood, Inc.

 <http://www.keckwood.com/> www.keckwood.com

(678) 417-4013

(678) 417-8785 fax

 

Keck & Wood, Inc now offers both instructor led and virtual training for
ArcGIS & ArcView. Contact me for more information. 
Currently Scheduled Classes: 
Introduction to ArcGIS I - January 16-17 at Keck & Wood Corporate Office
in Duluth, Ga. 

Introduction to ArcGIS II - January 18-20 at Keck & Wood Corporate
Office in Duluth, Ga. 



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