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Ventspils International Radio Astronomy Centre
The Ventspils International Radio Astronomy Centre ((ラトビア語:Ventspils Starptautiskais Radioastronomijas Centrs) – ''VIRAC'') is an ex-Soviet radio astronomy installation 30 km north of Ventspils, Latvia, on the coast of the Baltic Sea in Ance parish. The installation was secret until 1993 after Latvia regained independence. It was taken over by the Latvian Academy of Sciences after the withdrawal of the Soviet Army in 1994. Since then, the two remaining radio telescopes have been repaired.
==Description==
Established on 24 February 1996, its current configuration consists of a 32-metre, fully steerable parabolic, centimetre-wave range antenna (RT-32) and a 16-metre diameter antenna (RT-16). The bigger one is the largest radio telescope in northern Europe and the world's eighth largest. This combination of size and precision engineering makes the larger dish especially valuable to scientists. The structure was built by a naval factory in Ukraine, and the interiors are reminiscent of a ship.
In January 2015, the RT-32 antenna was temporarily dismounted and extensively repaired on-site. It was restored atop the structure as part of a wider modernization of the complex.〔(【引用サイトリンク】title=Radiotelescope gears up for new age )〕〔(【引用サイトリンク】title=Radiotelescope to point skyward again for space science )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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