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Galileo

Satellite navigation
Galileo is a global navigation satellite system that went live in 2016, created by the European Union through the European Space Agency, operated by the European Union Agency for the Space Programme, headquartered in Prague, Czechia, with two... Wikipedia
Accuracy: 20 cm (public since 24 January 2023)
Cost: €10 billion (initial constellation)
Country/ies of origin: European Union
Coverage: Global
Current usable satellites: 23 usable, 1 not available, 4 not usable (09/2022)
First launch: 2011
Nominal satellites: 30 (24 active + 6 spares)