Before There Were Antennas

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Before There Were Antennas

In this artistic shot taken in the 1970s, the piers of the Very Large Array stand empty. That is because there were not yet any antennas to place on them! The VLA has 72 pads for 27 antennas, and those pads are used when the antennas are moved farther and farther apart throughout the year.

Credit: NRAO/AUI/NSF

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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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