This aerial photo shows the NASA Deeps Space Network complex outside of Canberra, Australia in 1997. The Canberra complex officially opened in 1965. Because of celestial mechanics and trajectories, the best spacecraft tracking requires stations located in both the northern and southern hemispheres.
NASA/JPL-Caltech
<a rel="nofollow" class="external free" href="http://www.nasa.gov/jpl/news/dsn-50-years/index.html">http://www.nasa.gov/jpl/news/dsn-50-years/index.html</a>