GPS IIF satellite vehicles continue to modernize the GPS constellation while bringing new capabilities to both military and civilian users. GPS IIF SVs will bring into service the dedicated civil ...

Both were leading experts in GLONASS. In October 1982, 4 1/2 years after the launch of the first GPS satellite, the Soviet Union had launched the first test satellite for its new constellation. It ...

These would sit at around 500–1,000km above the Earth ... are 20 times stronger than traditional GPS systems, although the low orbit means that each satellite's antenna covers a smaller ...

The seventh GPS III satellite from Lockheed Martin, the GPS III SX07, was placed into orbit at the end of 2024.