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The Karl G. Jansky Very Large Array (VLA) is a centimeter-wavelength radio astronomy observatory in the southwestern United States built in the 1970s. It lies in central New Mexico on the Plains of San Agustin , between the towns of Magdalena and Datil , approximately 50 miles (80 km) west of Socorro .
The Green Bank Observatory (previously National Radio Astronomy Observatory, Green Bank) is an astronomical observatory located in the National Radio Quiet Zone in Green Bank, West Virginia, U.S. It is the operator of the Robert C. Byrd Green Bank Telescope , the world's largest fully steerable radio 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.
Green Bank is a census-designated place in Pocahontas County in West Virginia's Potomac Highlands inside the Allegheny Mountain Range. Green Bank is located along WV 28. Green Bank is home to the Green Bank Observatory and is also close to the Snowshoe Mountain ski resort. As of the 2020 census, its population was 141. [3]
Green Bank is in the National Radio Quiet Zone, which is coordinated by NRAO for protection of the Green Bank site as well as the Sugar Grove Station monitoring site operated by the NSA. The zone consists of a 13,000-square-mile (34,000 km 2) piece of land where fixed transmitters must coordinate their emissions before a license is granted.
It has also been used by the annual Educational Research in Radio Astronomy (ERIRA) program since 1992, [8] and Green Bank Observatory's "Radio Astronomer for a Day" program for K–12 students. [9] The 40-foot telescope has since been in continuous use since its restoration, [10] and has been used by over 1,500 students. [1]
The use of the VLBA can be scheduled dynamically, and its sensitivity can be improved by a factor of five by including other radio telescopes such as the Green Bank Telescope in West Virginia, the Very Large Array (VLA) in New Mexico and the Effelsberg radio telescope in Germany. These three additional sites are brought online for as much as ...
The Reber Radio Telescope is located on the grounds of the Green Bank Observatory (formerly part of the National Radio Astronomy Observatory) in rural Pocahontas County, West Virginia. It consists of a parabolic reflector composed of 72 radial rafters and covered in 26 gauge iron sheeting with a focal length of 20 feet (6.1 m).