GALILEO 3 Galileo Global positioning system 3 GNSS 2 GPS 2 Communication satellites 1 Differential technique 1 Force modeling 1 Full operational capabilities 1 Full operational capability 1 Geodesic triangle 1 Geometric definition 1 Geometrical property 1 Global Navigation Satellite Systems 1 Global Navigation Satellite Systems (GNSS) 1 Global navigation satellite system 1 High-Accuracy Service (HAS) 1 High-accuracy 1 High-accuracy service 1 High-precision 1 In-orbit validation 1 In-orbit validations 1 Low-costs 1 Navigation 1 Orbits 1 Positioning system 1 Positioning techniques 1 Precise orbit determination 1 Precise point positioning 1 Precise positioning 1