Global COGO, Inc.
3-D Coordinate Geometry & Error Propagation
Based Upon the
Global Spatial Data Model (GSDM)
(Website established October 1997 - last modified October 1, 2014)
Articles and papers on the GSDM
Information on the The 3-D Global Spatial Data Model (GSDM) book -
including corrections .
BIG DATA issues and challenges.
Network/Local Accuracy issues.
Software tools for the GSDM:
------- Excel spreadsheet programs for performing individual BK computations. click here.
------- Free software for performing 3-D coordinate geometry and error propagation computations:
------------- DOS-based menu-driven version (limit 500 points).
------------- Windows based version - called WBK (limit 50 point).
Seminars on the 3-D GSDM past and future.
------ Surveying Educator's Award presented by Ferris State University 2007
------ ASCE 2010 Surveying & Mapping Award picture To read the NMSU
Press Release click here.
------ NMPS Lifetime Achievement Award - March 2013 click here .
Links to overheads and other worthwhile sites
Information on future of Surveying & Mapping
Tragic $100 Million Accident Submarine crash. Reliable maps are as important as they were 300 years ago.
Corrections to BURKORD and in various publications.
Thoughts on licensing or "What is
a BURKORD® data base?"
Information about Global COGO, Inc. and link to resume - Earl F. Burkholder
Web site moved to www.globalcogo.com July 2, 2006.
Hits since this web site established.
Monthly record of all hits.
Copyright © 1997-2014 by
Global COGO, Inc
BURKORD® is a trademark of Global COGO, Inc.