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 ...

Navstar I Is Launched In 1978, Placing The First Functional GPS Satellite In Orbit GPS took a huge step forward in the 1970s, transitioning from a loose network of satellites and receiving tools ...

Japan launched a navigation satellite early Sunday morning (Feb. 2), the nation's first liftoff of 2025. An H3 rocket launched the Michibiki 6 spacecraft from Tanegashima Space Center on Sunday at ...