Tags: Genre, Music Genre, Topical Concept.

The Symphonie satellites were the first communications satellites built by France and Germany (and the first to use three-axis stabilization in geostationary orbit with a bipropellant propulsion system) to provide geostationary orbit injection and station-keeping during their operational lifetime. After the launch of the second flight model they comprised the first complete telecommunications satellite system (including an on-orbit spare and a dedicated ground control segment).

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