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Arecibo Observatory. The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is an observatory in Barrio Esperanza, Arecibo, Puerto Rico owned by the US National Science Foundation (NSF). The observatory's main instrument was the Arecibo Telescope, a ...
Goonhilly Satellite Earth Station is a large radiocommunication site located on Goonhilly Downs near Helston on the Lizard peninsula in Cornwall, England.Owned by Goonhilly Earth Station Ltd [1] under a 999-year lease from BT Group plc, it was at one time the largest satellite earth station in the world, with more than 30 communication antennas and dishes in use.
The 64-metre (210 ft) diameter dish with the 18-metre (59 ft) dish in the foreground (mounted on rails and used in interferometry) The primary observing instrument is the 64-metre (210 ft) movable dish telescope, second largest in the Southern Hemisphere, and one of the first large movable dishes in the world (DSS-43 at Tidbinbilla was extended from 64-metre (210 ft) to 70-metre (230 ft) in ...
Green Bank Telescope. The Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope, [1] surpassing the Effelsberg 100-m Radio Telescope in Germany. [2] The Green Bank site was part of the National Radio Astronomy Observatory (NRAO) until September 30, 2016.
The Arecibo Telescope was a 305 m (1,000 ft) spherical reflector radio telescope built into a natural sinkhole at the Arecibo Observatory located near Arecibo, Puerto Rico. A cable-mount steerable receiver and several radar transmitters for emitting signals were mounted 150 m (492 ft) above the dish. Completed in November 1963, the Arecibo ...
12 m single dish, VLBI, in construction, expected to start operations in 2017 Qitai 110m Radio Telescope (QTT) Xinjiang, China 0.3–117 GHz Planned world's largest fully steerable single-dish radio telescope with a diameter of 110 meters. Operates at 300 MHz to 117 GHz.
It is the world's largest filled-aperture radio telescope [2] and the second-largest single-dish aperture, after the sparsely-filled RATAN-600 in Russia. [ 3 ] [ 4 ] It has a novel design, using an active surface made of 4,500 metal panels which form a moving parabola shape in real time. [ 5 ]
The telescope became operational in mid-1957, in time for the launch of the Soviet Union's Sputnik 1, the world's first artificial satellite. The telescope was the only one able to track Sputnik's booster rocket by radar; [ 20 ] [ 21 ] first locating it just before midnight on 12 October 1957, eight days after its launch.