Eric Colburn, PLS

Tag: National Spatial Reference System

  • National Geodetic Survey (NGS) New CORS Coordinates and Absolute Antenna Calibration Pages

    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…

  • Study: Economic Value of NOAA’s Geodetic Services at $2.4 Billion

    Proposed Modernization Program to Net Additional $522 Million The NOAA-managed National Spatial Reference System (NSRS), the official U.S. government source for precise latitude, longitude and elevation measurements, provides more than $2.4 billion in potential annual benefits to the U.S. economy, according to a new independent study. Refining and modernizing the system for measuring elevation has…