What is the National Spatial Reference System?

This item was filled under Basics, Facts, Positioning and Geology
NOAA’s National Geodetic Survey (NGS) defines and maintains the NSRS. The NSRS includes a network of permanently marked points; a consistent, accurate, and up-to-date national shoreline; a network of Continuously Operating Reference Stations (CORS) which supports three-dimensional positioning activities; and a set of accurate models describing dynamic, geophysical processes that affect spatial measurements....
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