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Dr. Dick van der Wateren

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TanDEM-X Science Home: TanDEM-X - A New High Resolution Interferometric SAR Mission

17.10.2010, Age: 2804 days

Two German radar satellites, TanDEM-X and TerraSAR-X, will soon start to make the most detailed ever 3D map of the Earth's surface.

TanDEM-X (TerraSAR-X add-on for Digital Elevation Measurement) opens a new era in space borne radar remote sensing. The first bistatic SAR mission, is formed by adding a second, almost identical spacecraft, to TerraSAR-X and flying the two satellites in a closely controlled formation with typical distances between 250 and 500 m. Primary mission objective is the generation of a consistent global digital elevation model with an unprecedented accuracy according to the HRTI-3 specifications. Beyond that, TanDEM-X provides a highly reconfigurable platform for the demonstration of new SAR techniques and applications. The mission has been approved for full implementation by the German Space Agency and TanDEM-X is launched on June 21, 2010.

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