Global positioning system
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The document discusses Global Positioning System (GPS). It describes GPS as a system that uses satellites to provide location and time information to receivers on Earth. The system has three segments: space (the satellites), control (ground stations that monitor the satellites), and user (people with GPS receivers). Some key uses of GPS include navigation, tracking, and mapping. The document outlines different types of GPS receivers and surveying techniques, such as static and rapid static surveys. It also briefly discusses GPS maps.
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