Promotional Information on Adoption and Use of The 3-D Global Spatial Data Model (GSDM).

Information on this site changes rather frequently - email comments to Global COGO, Inc. for more information.

(This page was established October 17, 2019 - last modified May 12, 2020

I. GPS network in Wisconsin showing both network and local accuracies. Click here Posted May 12, 2020.

II. Poster presented December 13, 2016 at AGU Fall Meeting promoting implementation of GSDM for 3-D Digital Spatial Data. Poster

III. History of Local Accuracy Definition Click here. - it is also an Appendix in 2nd Ed.

IV. Original mathematical definition of Local Accuracy Click here.

V. Another example - how spatial data accuracy impacts ALTA/NSPS Minimum Standards. (July 26, 2017)

VI. Presentation at High-Tech Consortium October 2017. (November 5, 2017)

VII. Big Picture overview written December 2017 for spatial data policy professionals. (posted April 1, 2018)

VIII. Digital Future is a summary of efforts made to promote digital future 3-D applications. (posted July 23, 2018)

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