The GNSS Science Support Centre (GSSC) aims at consolidating a world-wide reference GNSS environment for scientific communities. GSSC promotes collaboration and innovative research integrating GNSS Data, Products, Information Services and Resources from multiple sources in a single repository.
The Galileo Science Advisory Committee (GSAC) is an advisory group of leading European GNSS scientists supporting ESA Programme Board for Navigation and ESA Executive.
The International GNSS Service (IGS) provides products and services in support of positioning, timing, terrestrial reference frame, Earth observation, navigation and many other applications.
ESOC Navigation Support Office is ESA's centre of expertise in the precise use of navigation satellite systems, providing support to projects and leading edge research activities in this domain.
The GNSS Science Support Centre (GSSC), located at ESAC, Madrid, Spain, is an initiative of the European Space Agency's Science Navigation Office to foster collaboration and research across scientific communities through the provision of information products and services regarding GNSS Infrastructures.