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27th of May 2022
Standing in the middle of AAVS2
SKAO Director General Phil Diamond visited the MRO on a recent visit to Australia and took the above photo from the middle of the Aperture Array Verification System 2. AAVS2, located at the Murchison Radio-astronomy Observatory, is a testbed to evaluate the performance of antennas before construction of the full SKA-Low commences. AAVS2 is an array of 256 SKALA4.1 antennas distributed in a semi-random (but carefully chosen!) layout over a circular station area, with maximum spacing of 38 metres. The SKALA4.1 antenna is of dual linear polarisation and all antennas in the station have the X polarisation oriented E-W and Y polarisation oriented N-S. A previous ADAP has shown the array elements pictured from above. (Image credit: Phil Diamond)

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