Space
Satellite brings new data highway in space
The new European information superhighway in space is getting closer. For the high-speed Transmission, a Relay will ensure that the satellite Eutelsat 9B piggyback has taken. A Proton rocket has the Duo into space, transported.
The Russian Proton rocket from the Baikonur cosmodrome successfully launched into space. You should 5175-kilogram telecommunications satellites Eutelsat 9B in a geostationary orbit. Docked is the approximately 50-pound relay station the EDRS-A, the as a high-speed Transmitter. You can by laser data of satellites to collect and with a speed of 1.8 gigabits per second to the earth send or receive.
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The Laserterminal works Essentially as an Autonomous telescope, which is capable of moving targets on earth specifically to track. This can be stored observational data much faster to users in Europe and, for example, aid missions after natural disasters or border control facilitate.
The project works with the European space Agency (Esa closely with the company Airbus. The project has a Budget of approximately 500 million euros, around 140 million controls Airbus. Together, Esa and Airbus thus a bottleneck in the Transmission of data from the All overcome. Many observation satellites such as the Sentinel satellites of the EU programme Copernicus circles in low orbit around the earth. This way, they are but an average of only ten of the 90 minutes in the range of your ground station. Only in this period, data can be transmitted.
Constant contact to the ground
A satellite in geostationary Orbit has such tieffliegenden observers significantly longer in sight – at least half of the time. The relay station remains at the same point on the earth’s surface and can thus continuously in contact to the ground keep. The aim of the European Datenrelaissystem (the EDRS) is a Transfer of data to the user in a quarter of an hour.
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Photographs from 700 miles up (16.10.2015)
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Photographs from 700 miles up (16.10.2015)
As applications sees Airbus in addition to military purposes and also floods, the observation of waves of Refugees, or Punishable on the high seas. The main challenge was the process of the laser beam between Beobachtungssatellit to 800 kilometers altitude, and the relay station at an altitude of 36,000 kilometres to vote.
The second the EDRS-Station, with an own satellite for 2017 launch. In the discussion are also up to two more stations, to a global coverage to ensure observers around-the-clock data can transmit.
kle/djo (dpa, rtre)