1. Basic Knowledge of GPS In 1973, DOd organized a Joint P Office (JPO) located at the U.S. Air Force Systems Command's Space The s Second Lecture Division, Los Angeles Air Force Base(AFB)to what?
2.1 协议天球坐标系 Conventional Celestial Sphere Coordinate System 2.2 协议地球坐标系 Conventional Earth Coordinate System 2.3 WGS-84坐标系和我国的大地坐标系 World Geodetic System-1984 and our National Geodetic Coordinate System 2.4 时间系统 Time System 2.5 北斗坐标系统和时间系统 Coordinate and Time System of BDS
1. Errors related to GPs Satellites 2. Errors related to GPS signal propagation in atmosphere 3. Error related to gPs receivers Gv Principles of the Global Positioning System