National Radio Astronomy ObservatoryNRAO）YesNational Science FoundationFunded engagementRadio astronomyResearch institution, headquartered inUniversity of Virginia, atWest VirginiaGreen bankOfNational Radio Quiet ZoneBuilt in with the world's largestFully movable radio telescope——100 meter diameterGreen Bank Telescope 。
stayNew MexicoOfSt. Augustine Plain, owned by the National Radio Astronomy ObservatoryVery large antenna array(VLA), consisting of 27 antennas with a diameter of 25 meters, is the largest in the worldSynthetic aperture radio telescope。In 2003, the National Radio Astronomical Observatory cooperated with research institutions in many countries and began toChileThe northern part is composed of 64 antennas with a diameter of 12mAtacama large millimeter wave antenna array（ALMA）。In addition, the National Radio ObservatoryArizonaOfKitt peakBuilt with 12m diameterradio telescope。
The current director is a Chinese astronomerLu Guoyong。
Communication with China
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From April 18 to 27, 2011, Professor James Condon and Professor Dennis Egan, experts from the National Radio Astronomical Observatory of the United States, were invited toFAST EngineeringVisit and communicate.On the afternoon of April 19, two expertsNational Astronomical ObservatoryHe made a wonderful academic report.
James Condon was once a project of the two telescopes GBT and AreciboscientistHe has very rich experience. In his report, he introduced in detail the construction experience of GBT and Arecibo telescopes.
Dennis Egan, based on years of experience in GBT construction and maintenance, introduced the challenges faced by large-scale structures in terms of scale, error budget and manufacturing from idea to reality.
After the report, the two experts also had technical exchanges with FAST engineers.[1]
