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5th of August 2015
ATCA observing at sunset
The Australia Telescope Compact Array (ATCA), is located at the Paul Wild Observatory near Narrabri, some 550 km northwest of Sydney. Displayed are five of the six 22-m Cassegrain antennas, here arranged in one of the hybrid configurations which include two antennas on the North-South spur. The ATCA is a radio interferometer with maximum baselines of 6 km, working in the 1 - 100 GHz frequency range. Its supercomputer, the Compact Array Broadband Backend (CABB), is described in this paper by Wilson, Ferris, et al. 2011 (MNRAS 416, 832).

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