London-based Inmarsat tests an overlay system to enhance the GPS signals received in the UK.

It's got a bigger space budget than ever before but does the EU have the necessary ambition to match?

The European Commission issues contracts worth €1.5bn to advance technologies in its sat-nav system.

Spacecraft manufacturer SSTL ships its final navigation payloads for the Galileo sat-nav programme.

The government says it is after all ideas for a sovereign satellite-navigation system post-Brexit.