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ESA - Galileo satellites' last step before launch


Galileo satellites’ last step before launch
Europe’s Galileo satellite navigation constellation is set to grow. Later this year the first two out of 12 ‘Batch 3’ Galileo satellites will be launched by Soyuz from French Guiana. Their last step on the way to launch is situated beside sand dunes on the Dutch coast: the ESTEC Test Centre, which is Europe’s largest satellite test facility.
All but two of the 26 Galileo satellites already in orbit underwent pre-flight testing at this 3000 sq. m environmentally-controlled complex, hosting test equipment to simulate all aspects of spaceflight. The Test Centre is operated and managed by European Test Services for ESA. ....

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ESA - Hot and cold space radio testing


Hot and cold space radio testing
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ESA’s newest radio-frequency test facility allows direct measurement of antenna systems in the very vacuum conditions and thermal extremes they will work in, including the chill of deep space. It will soon be put to work testing the Juice mission’s radiometer – destined to probe the thin atmospheres of Jupiter’s largest moons.
The recently completed facility is called the Low-temperature Near-field Terahertz Chamber , or Lorentz. Based at ESTEC in the Netherlands, it can test high-frequency RF systems such as stand-alone antennas and complete radiometers at between 50 to 1250 Gigahertz in space-quality vacuum for several days on end, in temperature from just 90 degrees above absolute zero up to 120 °C. ....

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ESA - Planet-hunting eye of Plato

ESA - Planet-hunting eye of Plato
esa.int - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from esa.int Daily Mail and Mail on Sunday newspapers.

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