On this day 53 years ago, two men took the proverbial "giant leap for mankind".
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At midday on July 20, 1969 (American time), astronauts Buzz Aldrin and Neil Armstong stepped onto the surface of Earth's moon after Apollo 11 Lunar Module 3 successfully touched down.
Armstrong's now famous saying, "One small step for man, one giant leap for mankind", was heard all over the world after it was broadcasted from the satellite at Honeysuckle Creek, outside Canberra in Australia.
The first three minutes of the hours-long broadcast were seen in highest definition hundreds of kilometres from Houston Mission Control, Texas.
The audio that accompanied the images, however, came from a direct link between NASA Public Affairs in Houston, and the astronauts on the moon.
There were three signal receivers on the day, one in Goldstone, California, another in Honeysuckle Creek, NSW and the third at the Parkes, NSW radio telescope site.
Technical issues in Goldstone meant that the images coming out of USA were too poor to broadcast. The Honeysuckle images continued to be grainy by today's standards, because of its relatively low strength dish. Nevertheless, it was from this small dish that the first words from the moon were bounced.
After eight minutes, the Houston control centre switched to the Parkes satelite, which had the capacity to relay higher quality signals.
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It was a bigger site, big enough to play cricket on, if you're familiar with the iconic 2000 film, The Dish.
NASA stayed with Parkes for the rest of the two-and-a-half hour broadcast.
These images were viewed by an estimated 600 million people worldwide, and continue to be watched today.
Not bad for a satellite in a sheep paddock.