Zilkoski’s Introduction on the new NSRS Bundle

$85.00

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Description

David B. Zilkoski, a former Director of the US National Geodetic Survey, summarizes concepts of the new  National Spatial Reference System (NATRF2022) in this two part bundle.

Includes the following courses:

Overview of NGSs Modernized NSRS

Changes in Vertical Positioning Concepts

 

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