TanDEM-X is a German radar Earth observation mission built around two identical satellites that fly in close formation. The original TerraSAR-X satellite is joined by its twin, known as TDX, and the pair usually keep a separation of 250 to 500 metres so that interferometric synthetic aperture radar can measure terrain height. The mission was developed in a public-private partnership between the German Aerospace Center, DLR, and EADS Astrium, which is now part of Airbus Defence and Space. Its main product is WorldDEM, a consistent global digital elevation model of the Earth's land surface that the pair made possible from 2014, with a planned relative vertical accuracy of 2 metres.
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It is developed in a public-private partnership between the German Aerospace centre (DLR) and EADS Astrium (now Airbus Defence and Space).
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Source TanDEM-X (Wikipedia)Lead, originQuote, Lead, origin
is a German twin satellite mission
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1. TanDEM-X (Wikipedia)
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is a German twin satellite mission using interferometric synthetic aperture radar (InSAR)
Lead
It is developed in a public-private partnership between the German Aerospace centre (DLR) and EADS Astrium (now Airbus Defence and Space).
Lead, origin
is a German twin satellite mission
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