Elevating to a New Reference: Positioning Activities Worth $2.4 Billion Annually
Posted by nos.info@noaa.gov on 16 June, 2009
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For over 200 years, NOAA's National Geodetic Survey (NGS) has defined and managed the National Spatial Reference System (NSRS). This coordinate system defines latitude, longitude, height, scale, gravity, orientation, and shoreline throughout the United States....