Coordinate systems Suggested reading Herring, T. A, Geodetic Applications of GPS, Proceedings of the IEEE,87,1,92-110.1999 Questions to ponder Why do we need a coordinate system What properties should it have How were coordinates defined before space based geodetic systems were available 12540Lec01 17 Coordinate systems More questions Does the Earth's gravity field play a role in coordinate systems? How does this type of system relate to space based systems? What is needed to define a coordinate system and how are they " realized(i.e implemented) 02/5/03 2540Lec0102/05/03 12.540 Lec 01 17 Coordinate systems • – Herring, T. A., Geodetic Applications of GPS, Proceedings of the IEEE, 87, . • – Why do we need a coordinate system – What properties should it have – 02/05/03 12.540 Lec 01 18 Coordinate systems • More questions: implemented) Suggested reading: 1, 92–110, 1999 Questions to ponder How were coordinates defined before space based geodetic systems were available – Does the Earth’s gravity field play a role in coordinate systems? – How does this type of system relate to space based systems? – What is needed to define a coordinate system and how are they “realized” (i.e. 9