Australia Telescope Compact Array
| Five of the ATCA antennas at Narrabri | |
| Alternative names | ATCA | 
|---|---|
| Location(s) | New South Wales, AUS | 
| Coordinates | 30°18′46″S 149°33′52″E / 30.3128°S 149.5644°E | 
| Related media on Commons | |
The Australia Telescope Compact Array (ATCA) is a radio telescope operated by CSIRO at the Paul Wild Observatory, twenty five kilometres (16 mi) west of the town of Narrabri in New South Wales, Australia. Its opening ceremony took place on September 2, 1988.