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The International Terrestrial Reference System (ITRS) | GEOG 862: GPS and GNSS for Geospatial Professionals
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Figure 3-1 from Chapter 3 Gps Reference Systems 3-1. General 3-2. Geodetic Coordinate Systems Figure 3-1. Wgs 84 Reference Ellipsoid Meridian at P | Semantic Scholar
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GPS (Part 1) - Structure, mode of operation, technical and physical fundamentals of GPS - Marine-Pilots.com
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