Global COGO, Inc.
3-D Coordinate Geometry & Error Propagation
Based Upon the
Global Spatial Data Model (GSDM)
(Website established October 1997 - last modified
July 1, 2014)
Email to Global COGO, Inc.
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 EFB resume.
13448 previous hits. Web page moved to this server
July 2, 2006.
Hits since move to this server.
Copyright © 1997-2014 by
Global COGO, Inc
BURKORD® is a trademark of Global COGO, Inc.