Conversations in the sky: Galileo’s intersatellite links tested
The second generation of Galileo satellites, Europe’s satellite navigation system, is being equipped with intersatellite links that allow direct communication between satellites in orbit. This technology will improve the system’s reliability and enable satellites to relay information even when not visible from ground stations. Extensive testing of the antenna pointing mechanisms, including millions of reorientations and environmental simulations, has confirmed their durability for the satellites’ 15-year operational lifespan. These advancements support more robust and continuous navigation services.
Engineers have tested and prepared new antennas for Europe’s Galileo satellites, which will allow them to communicate directly with each other in space.
This improvement will make the satellite system more reliable and efficient, especially when satellites are not visible from Earth.
It shows how careful planning and testing can lead to better global navigation systems that benefit people and technology worldwide.
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