GPS, or Global Positioning System, is a satellite-based navigation system that provides location and time information anywhere on or near the Earth where there is an unobstructed line of sight to four or more GPS satellites. Here are some key points about GPS: 1. **Components**: - **Space Segment**: Consists of a constellation of at least 24 satellites orbiting the Earth. - **Control Segment**: Includes ground stations that monitor and manage the satellites. - **User Segment**: Comprises GPS receivers used by individuals and organizations. 2. **Functionality**: - GPS works by receiving signals from multiple satellites and using the time it takes for these signals to reach the receiver to calculate the receiver's position (latitude, longitude, and altitude) and precise time. 3. **Applications**: - **Navigation**: Used in vehicles, smartphones, and other devices to provide directions and location services. ...
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