Global Navigation Satellite Systems (GNSS) Signals

GNSS signals are electromagnetic signals transmitted by Global Navigation Satellite Systems (GNSS), which include systems such as GPS, GLONASS, Galileo, and BeiDou.

GNSS signals consist of a carrier wave modulated by navigation data, which includes information about satellite ephemeris, clock correction, and other related data. The carrier wave determines the distance between the receiver and the satellite, while the navigation data calculate the receiver’s position, velocity, and time. 

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