
Syracuse Satellite Lancement Et Segment De Terre was a French satellite launched in 1963. It was designed to test the technology of a geostationary satellite.
The satellite was launched on April 22, 1963, from the Guiana Space Centre in French Guiana. It reached an altitude of 36,000 kilometers above the equator.
The Syracuse satellite was equipped with a transponder that allowed it to relay television signals between the ground station and the satellite. This was a significant innovation at the time.
The satellite's geostationary orbit allowed it to remain stationary over a fixed point on the Earth's surface, enabling continuous communication.
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Conçu pour résister aux attaques militaires
The Syracuse satellite program was launched on January 17, 1980, and consisted of three Telecom 1 series satellites.
These satellites were designed to be robust and resilient, with a focus on withstanding military attacks.
The Syracuse program was initiated in 1980, marking the beginning of a significant chapter in satellite technology.
Its primary objective was to develop a reliable and secure communication system that could withstand potential military threats.
The satellites were specifically designed to be resilient, reflecting the program's emphasis on military-grade security.
By leveraging the capabilities of the Telecom 1 series, the Syracuse program aimed to create a robust and secure communication network.
For another approach, see: Military Communications
Launch and Ground Segment
The SYRACUSE IV satellite program has a robust ground segment that enables the French Armed Forces to utilize satellite capacities efficiently. This includes secure and resilient connections, as well as high-speed and wide coverage capacities.
The SYRACUSE IV satcom stations will be installed on the Serval light multi-role armoured vehicles as part of the Scorpion programme. This integration provides a convenient and mobile platform for satellite communications.
Satcom Ground Segment
The SYRACUSE IV satcom ground segment is a crucial component of the French Armed Forces' communication system. It enables the use of the entire spectrum of satellite capacities dynamically and efficiently.
The SYRACUSE IV ground segment includes the most secure and resilient connections, as well as high-speed and wide coverage capacities, across all areas of operations. This is a game-changer for the French Armed Forces, allowing them to stay connected and coordinated in real-time.
The SYRACUSE IV satcom stations will be installed on the Serval light multi-role armoured vehicles as part of the Scorpion programme. This will provide the French Armed Forces with a reliable and portable communication system.
Lancement réussi du satellite militaire
The French Armed Forces have successfully launched the Syracuse 4B satellite, which will join Syracuse 4A in orbit to boost communications capabilities for the French Armed Forces.
The Syracuse IV satellite constellation comprises two satellites, 4A and 4B, built by a consortium of Thales Alenia Space and Airbus.
The satellites were launched to support the communications of the French Armed Forces around the world, contributing to the modernisation of their space capabilities defence.

Syracuse IV is a major programme that contributes to the sovereignty and strategic independence of France, as stated by Sebastien Lecornu, the Minister for the Armed Forces.
The evolution of operational modes of engagement and the digitisation of the battlespace generate a growing need for connectivity, as highlighted by the Ministry press release.
Syracuse 4A is designed to resist military aggressions from the ground and in space, as well as jamming, to ensure the French Armed Forces remain connected during deployments.
The 4A satellite is equipped with surveillance capabilities and a capacity for movement to evade an aggression, according to Colonel Stéphane Spet, the spokesperson for the French Air and Space Army.
The Syracuse 4B satellite is built on the all-electric Eurostar platform, and Airbus was in charge of the satellite, supplying key components for the payloads.
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