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DLR communicates with TerraSAR-X Earth Observation satellite via laser beam

For the first time, researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have succeeded in establishing communications between their optic ground station and the TerraSAR-X Earth Observation satellite. The station was able to track the satellite and receive signals from the Tesat laser terminal on the TerraSAR-X satellite. The use of laser beams would enable data transfer from Earth Observation satellites down to the surface of the Earth at speeds many times higher than those achieved at present - which would mean a big step forward in remote sensing of the Earth.

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