The Global Positioning System (GPS) is crucial for more than just navigation; it provides essential Assured Positioning, Navigation, and Timing (PNT) services that support critical infrastructure like the electric grid, financial systems, and communication networks. GPS offers precise positioning, r... read more

GPS and BeiDou are both GNSS providing positioning, navigation, and timing services. GPS, by the US, launched first in 1978, is now globally used. It has 31 satellites for global cover, with specific services and accuracy for civilian and military. Its signal uses CDMA. BeiDou, developed by China, s... read more