* Astronomy

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RE: TanDEM-X radar satellite

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TanDEM-X and TerraSAR-X - imaging Etna while flying in formation

First synchronised elevation model for radar satellite pair

The TanDEM-X and TerraSAR-X satellite pair have acquired their first image of Earth's surface, synchronised to the microsecond, while flying over Mount Etna in Italy. Scientists at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have used the data to create a three-dimensional digital elevation model with an unprecedented elevation accuracy down to two metres. The image, taken while the satellites were flying just 350 metres apart, is the first in the world to be made by satellites flying in such a close formation.
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Blobrana · L

Two German radar satellites are now flying in tight formation as they prepare to make the most detailed ever 3D map of the Earth's entire surface.
TanDEM-X and TerraSAR-X have moved to within 350m of each other as they sweep around the planet at 7km/s.
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TanDEM-X delivers first 3D images

On 22 July 2010, researchers at the German Aerospace Centre (Deutsches Zentrum für Luft- und Raumfahrt; DLR) facility in Oberpfaffenhofen published the first 3D images from the TanDEM-X satellite mission. Just one month after the launch of TanDEM-X (TerrraSAR-X add-on for Digital Elevation Measurement), which took place on 21 June 2010, DLR researchers have created the first digital elevation model - almost a week ahead of schedule. A group of Russian islands in the Arctic Ocean was selected for the first test.
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Blobrana · L

Choppy Indian Ocean waters (yellow) contrast with the calm Baie de Diego (blue)

Germany's new radar satellite, TanDEM-X, has returned its first images.

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TanDEM-X sends its first images in record time

Already, with its first image acquisitions, TanDEM-X (TerraSAR-X add-on for Digital Elevation Measurement) has surpassed its twin satellite, TerraSAR-X. On 24 June 2010, only 3 days and 14 hours into the mission, the satellite sent its first image data back to Earth. The transmission was received by the German Aerospace Centre (Deutsches Zentrum fr Luft- und Raumfahrt; DLR) ground station at Neustrelitz and processed to produce images. TanDEM-X looked down from an altitude of more than 500 kilometres above northern Madagascar, Ukraine and Moscow.
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Dnepr rocket Launch with TanDEM-X from Baikonur Silo

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Dnepr Delivers Satellites

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TLE Data

TANDEMX
1 36605U 10030A   10172.20248857  .00002131  00000-0  10000-3 0    16
2 36605 097.4512 179.2734 0011015 285.9794 074.0206 15.20699603    16

Blobrana · L

Germany's second Earth observation satellite, TanDEM-X, was launched successfully on 21 June 2010 at 04:14 Central European Summer Time (CEST, at 08:14 local time) from the Baikonur Cosmodrome in Kazakhstan. Atop a Russian Dnepr rocket, the satellite, weighing more than 1.3 tons and five metres in length, started its journey into orbit. At 4.45 CEST first signal was received via Troll ground station in the Antarctic.
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