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What is ECEF ?Earth-centered Coordinate System
The system coordinates the Earth, the center, the ground static as abbreviation ECEF that system, the coordinates of Earth central, also called, a system of reference spatial Cartesian position that is in the vicinity of the land (including surface, within the atmosphere of the Earth and the space around it) for Y, X and Z, and measure from the center of mass of the show. The most common use of this coordinate system is in the interception of satellite orbits and global navigation satellite systems to measure and find positions on the Earth's surface, but it is also used in applications such as monitoring the movements of the Earth's crust....