National Radio Astronomy Observatory

(Redirected from NRAO)

The National Radio Astronomy Observatory (NRAO) is an institution set up by the United States government for the purpose of radio astronomy. NRAO designs, builds, and operates its own high-power radio telescopes for use by scientists around the world.

Table of contents

1 Locations

1.1 Charlottesville, Virginia
1.2 Green Bank, West Virginia
1.3 Socorro, New Mexico
1.4 Tucson, Arizona
1.5 Santiago, Chile

2 External link

Locations

Charlottesville, Virginia

Located on the University of Virginia campus.

Green Bank, West Virginia

NRAO is the constructor/owner of the worlds largest fully mobile radio telescope, the GBT, which resides in Green Bank, West Virginia. Green Bank is also the home of NRAO's prinicipal observatory as it is the center of a United States national radio quiet zone, which NRAO is also responsible for maintaining. It resides on a 13,000 square mile piece of land void of electromagnetic pollution. The land was set aside by the FCC in 1958, as a Radio Quiet Zone; the area closest to the telescope is free of fixed radio transmitters, and all other fixed radio transmitters (TV and radio towers) inside the zone are required to transmit away from the telescope. It is hard to keep the site free of radio pollution. At one point, the obsrvatory faced the problem of North American flying squirrels tagged with US Fish & Wildlife Service telemetry transmitters.

Socorro, New Mexico

The NRAO's facility in Socorro is the the Array Operations Center (AOC). Located on the New Mexico Tech campus, the AOC serves as the control center for the Very Large Array (VLA), and the Very Long Baseline Array (VLBA). VLBA telescopes are located throughout the world. This is also the setting for the movie Contact.

Tucson, Arizona

Offices are located on the University of Arizona campus. Formerly operated the 12 meter telescope on Kitt Peak. That telescope has been shut down and funding rerouted to the Atacoma Large Millimeter Array (ALMA) instead.

Santiago, Chile

The Atacama Large Millimeter Array (ALMA) site in Chile is at 5000 m altitude near Cerro Chajnantor in northern Chile. This is about 40 km east of the historic village of San Pedro de Atacama, 130 km southeast of the mining town of Calama, and about 275 km ENE of the coastal port of Antofagasta.

External link

NRAO National Radio Astronomy Observatory

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From http://en2.wikipedia.org/wiki/NRAO

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