1. School of Engineering and Information Technology; University of New South Wales; Canberra ACT Australia
2. CSIRO Astronomy and Space Science; Australia Telescope National Facility, CSIRO; Epping New South Wales Australia
3. Defence Science and Technology Group; Adelaide South Australia Australia
4. Jet Propulsion Laboratory; California Institute of Technology; Pasadena CA USA
5. CSIRO Astronomy and Space Science; Canberra Deep Space Communications Complex; Tuggeranong ACT Australia