National Spatial Reference System

The National Spatial Reference System (NSRS), managed by the National Geodetic Survey (NGS), is a coordinate system that includes latitude, longitude, elevation, and other values. The NSRS consists of a National Shoreline, the National CORS (a system of Global Positioning System Continuously Operating Reference Stations), a network of permanently marked points, and a set of models that describe dynamic geophysical processes affecting spatial measurements.[1]

In 2022, the NSRS will be modernized and use the following four frames of reference:[2]

North American Terrestrial Reference Frame of 2022 (NATRF2022)
Pacific Terrestrial Reference Frame of 2022 (PTRF2022)
Caribbean Terrestrial Reference Frame of 2022 (CTRF2022)
Mariana Terrestrial Reference Frame of 2022 (MTRF2022)

References

"The National Spatial Reference System". National Geodetic Survey. Retrieved April 3, 2013.
Smith, Dru; Roman, Dan; Hilla, Steve. "NOAA Technical Report NOS NGS 62: Blueprint for 2022, Part 1: Geometric Coordinates" (PDF). National Geodetic Survey. Retrieved July 11, 2018.

External links

Doyle, David R. "Development of The National Spatial Reference System". National Geodetic Survey.

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[1] "The National Spatial Reference System". National Geodetic Survey. Retrieved April 3, 2013.

[2] Smith, Dru; Roman, Dan; Hilla, Steve. "NOAA Technical Report NOS NGS 62: Blueprint for 2022, Part 1: Geometric Coordinates" (PDF). National Geodetic Survey. Retrieved July 11, 2018.