GPS global positioning system technology, what discipline does it belong to, and does it belong to surveying and mapping? What if it is? What does surveying belong to?

1。 The GPS global positioning system was originally developed by the US military for war location and navigation. It consists of space satellite, ground control and ground receiving. Which is mainly use for locating that position of points of interest on the earth. Such as real-time positioning of airplanes, ships and automobiles. The application of GPS in surveying and mapping is only a branch of the application of GPS technology. It mainly uses differential technology and GPS technology to obtain accurate ground point coordinates.

2。 Surveying belongs to earth science. The purpose of surveying and mapping is to accurately locate the points of interest on the earth or space and express them to most people in need in a generally accepted way. According to the different functions and acquisition methods, it is subdivided into geodetic survey, engineering survey, aerial photogrammetry and remote sensing.