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was moved there in 1957, and needed 64 km (40 mi) of reflector wire (since removed). The 4C operated at 178 MHz (1.7 m), and located nearly 5000 sources of the
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published in 1965 and 1966, which helped establish the evolution of the radio galaxy population of the universe. The telescope is now inoperable.
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One antenna of the One-Mile
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Detail of the remains of the 4C Array, with antennas of the One-Mile
Telescope in the background in June 2014
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This article about a specific observatory, telescope or astronomical instrument is a
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