Welding on the GBT Azimuth Trucks

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Welding on the GBT Azimuth Trucks

Technician doing welding work on a GBT track truck

A telescope technician touches up a weld on one of the Green Bank Telescope’s four trucks that drive the 17-million pound telescope in a circle. Each truck has four wheels, meaning each wheel supports one million pounds. The GBT’s track goes 25 feet into the ground to remain sturdy and level. Metal covers in between the trucks protect the track from snow and dirt.

Credit: NRAO/AUI/NSF

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Welding on the GBT Azimuth Trucks

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The National Radio Astronomy Observatory is a facility of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.
	Founded in 1956, the NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.
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