... ATNF Home . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Australia Telescope Compact Array . ... VLBI . ... To obtain very high resolution, we use a technique known as Very Long Baseline Interferometry (VLBI) where we combine signals from the ATNF antennas together with other antennas in Australia, to form the Australian VLBI array, which can synthesise a telescope up to 3000 km in diameter. ...