Australia Telescope Compact Array

The Australia Telescope Compact Array (ATCA), at the Paul Wild Observatory, is an array of six 22-m antennas used for radio astronomy. It is located about 25 km west of the town of Narrabri in rural NSW (about 500 km north-west of Sydney).

  • About Australia Telescope Compact Array

    Made up of six identical antennas, the Australia Telescope Compact Array is used by astronomers to study the structure and evolution of our Universe.

  • Compact Array Visitors Centre

    A visit to our Australia Telescope Compact Array is a highlight of any trip to the north-west region of New South Wales.

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