 |  A step closer to mapping the Earth in 3D
 14 January 2012
After a year in service, the German Earth observation satellite TanDEM-X, together
with its twin satellite, TerraSAR-X, have completely mapped the entire land surface of
Earth for the first time. The data is being used to create the world’s first single-source,
high-precision, 3D digital elevation model of Earth. The German Aerospace Center
(DLR) controls both radar satellites, generates the elevation model and is responsible
for the scientific use of TanDEM-X data.
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