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The Shuttle Radar Topography Mission (SRTM) was an international project led by the National Geospatial-Intelligence Agency (NGA) and NASA. Flown aboard the Space Shuttle Endeavour in February 2000, it utilized a synthetic aperture radar system to acquire land elevation data. The mission produced a...
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TanDEM-X (Terrain Digital Elevation Model) is a German radar satellite launched in 2010 by the German Aerospace Center (DLR). It operates in a tight helix formation with its twin satellite, TerraSAR-X, to create a single-resolution synthetic aperture radar (SAR) interferometer. By acquiring data sim...
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