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Tag: NAD 83 (2011
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National Geodetic Survey (NGS) New CORS Coordinates and Absolute Antenna Calibration Pages
National Geodetic Survey (NGS) Releases New CORS Coordinates and Absolute Antenna Calibration Pages NAD83(2011,MA11,PA11) epoch 2010.00 Coordinates On September 6, 2011, NGS updated the National Spatial Reference System NAD 83 (CORS96, MARP00, PACP00) positions and velocities for all CORS sites, to NAD 83 (2011, MA11, PA11). The NAD 83 (2011) frame, which is relative to the…