Before 4ZZ could start broadcasting in 1975, a transmitter was ordered from the U.S. But after it was lost on the dock in New York, 4ZZ's chief engineer at the time Ross Dannecker built the station's first transmitter.
First cancer hospital opens in Sydney
The Chris O'Brien Lifehouse in Sydney has been expanded to accommodate 125 overnight beds, eight operating theatres and an intensive care unit that will be available to both public and private patients.
Speaking at the official opening of the centre Mr Abbott says "we're here today at the end of a 13-year journey ... we're here because the fight against cancer matters."