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18th of November 2020
The ATCA's 500th array reconfiguration
by Jamie Stevens
The Australia Telescope Compact Array consists of six 22-m diameter dishes, five of which can be moved along a 3-km long east-west rail track, with a 214-m north-south spur. On Monday November 16, ATCA was reconfigured for the 500th time, from 6B (one of the more extended arrays) to H168 (one of the more compact, with two antennas on the north-south spur). This works out to be a reconfigure approximately every 23 days, on average. For the milestone we had antenna rides, and special morning tea and lunch, with a cake to enjoy. Plenty of video footage was shot, with a plan to make a new video for the visitors centre, describing the reconfiguration process.

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