Europe’s first generation Galileo constellation is already the world’s most precise satellite navigation system – delivering metre-scale positioning to more than 3.5 billion users worldwide – but Galileo Second Generation will enable still better performance and an expanded range of services. Essential elements of the G2 system are currently being evaluated in ESA laboratories, including key algorithms to synchronise satellite timings and determine orbits as well as test versions of a satnav receiver and emergency beacon.
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Source: ESA Space Engineering & Technology