The Global Positioning System is a satellite-based technology that allows for the precise determination of geographical location, velocity, and time anywhere on Earth. The system relies on a network of orbiting satellites that transmit radio signals containing precise timing information and orbital data. A receiver determines its position by measuring the time delay of these signals from multiple satellites. Through the principles of trilateration, the calculated distance from the satellites is used to mathematically fix the receiver’s three-dimensional coordinates relative to the global reference frame. Accurate operation requires highly precise atomic clocks aboard the satellites to maintain the integrity of the transmitted timing data, enabling measurements accurate to within meters.