The Effelsberg 100-metre Radio Telescope is a radio telescope in the Ahr Hills in Bad Münstereifel, Germany. Inaugurated in 1972, for 29 years the Effelsberg Radio Telescope was the largest fully stee
Radioteleskop Effelsberg 0197
View of the altazimuth mount
Green Bank Telescope
Videos
The Robert C. Byrd Green Bank Telescope in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope, surpassing the Effelsberg 100-m Radio Telescope in Germany. The Green B
Effelsberg 100-metre Radio Telescope
…largest fully steerable radio telescope on Earth, surpassing the Lovell Telescope in the UK. In 2000, it was surpassed by the Green Bank Observatory's Robert C. Byrd Green Bank Telescope in Green Bank, US, which has a slightly larger elliptical 100-by-110-metre (330 by 360 ft) aperture. The telescope is located about 1.3 km northeast…
The Green Bank Telescope
The Robert C. Byrd Green Bank Radio Telescope (GBT) has a collecting area of 2.3 acres (0.93 ha) which focuses the radio waves falling on it onto sensitive receivers at the top of the boom attached to the side.
Actuators (black) under the surface panels for surface fine-tuning
Gregorian focus operation: subreflector (top), rectracted boom (middle), and receiver turret (bottom)