Finding Our Way: Inside the Galileo Project: 3 - A symphony of precision
Image: ESA
Galileo is a system in perfect synchronisation: satellites orbiting above, atomic clocks setting the tempo, and ground stations listening and refining below. Each plays its part. Together, they create the precision behind the signal that guides us all. See how it all comes together in Finding Our Way: Inside the Galileo Project.
Summary by ESA, the primary source