Timeline milestone
The first GPS III satellite starts a new generation
From How GPS Became Invisible Infrastructure: Satellites, Smartphones and Precise Time
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Modernization
The first GPS III satellite starts a new generation
The first GPS III satellite launched in December 2018, beginning a generation built for better accuracy, stronger anti-jam performance, longer service life and improved interoperability.
U.S. Air Force GPS III SV01, nicknamed Vespucci, launched on 23 December 2018. The new generation was designed to improve accuracy, signal integrity and resistance to jamming while extending satellite design life. It also introduced the L1C civil signal architecture intended to improve interoperability with other global navigation systems. The launch marked the beginning of the same GPS III generation whose final satellite would reach orbit in 2026, connecting the timeline's modernisation story across nearly a decade.
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