Cooperative Agreement for the Management, Operation and Maintenance of the National Radio Astronomy Observatory (NRAO)

国家射电天文台（NRAO）是世界上最大的射电天文台之一。 世界上最先进的射电天文学设施。 其经营 望远镜在绿色银行，西弗吉尼亚州，附近的索科罗，新 墨西哥和亚利桑那州图森附近。 总部位于 弗吉尼亚州夏洛茨维尔。 NRAO目前正在 建造甚长基线阵列，一个阵列望远镜 有10个天线分布在夏威夷和美国之间。S.维尔京 岛屿和位于索科罗的运营中心。 NRAO是 一个国家中心，其仪器可供任何 科学家在同行评审的基础上开展科学项目， 竞争基础。

The National Radio Astronomy Observatory (NRAO) is one of the worlds pre.eminent radio astronomical facilities. It operates telescopes in Green Bank, West Virginia, near Socorro, New Mexico, and near Tucson, Arizona. Headquarters are located in Charlottesville, Virginia. The NRAO is currently in the process of constructing the Very Long Baseline Array, an array telescope with 10 antennas spread between Hawaii and the U. S. Virgin Islands and an Operations Center located in Socorro. The NRAO is a National Center with its instruments available to any scientist to carry out scientific programs on a peer.reviewed, competitive basis.