Vermilion River Radio Observatory

OrganizationGround-Based Observatories
US radio observatory with a 400-foot telescope
1.00Common

US radio observatory with a 400-foot telescope
Common
The Vermilion River Radio Observatory, or VRO, was a University of Illinois research facility that operated from 1959 to 1984 in the United States. Its 400-foot (120 m) linear parabolic radio telescope used natural terrain as part of its reflector and antenna array. Using Earth’s rotation, the instrument swept a sector of the sky to detect astronomical radio sources. The 420-acre (170 ha) site was a pioneering radio astronomy facility.
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