A paddock outside a small town in western Victoria, Australia, does not look like a place where history gets made.
But one of them once stood in for a tracking station.
A ham radio operator had strung wire between timber towers across a span wider than two football fields.
He aimed the array at the rising moon.
He sent a signal up, hoping it would bounce off the lunar surface and return readable on the other side of the Pacific.
So what actually makes that kind of echo possible?
Why bouncing a signal off the moon works at all
The moon has no atmosphere and no useful magnetic shield, so a radio wave that reaches it simply hits rock and scatters, with a fraction of that energy heading back toward Earth. Earth-Moon-Earth communication, known to operators as EME or moon bounce, treats the moon as a passive mirror roughly 240,000 miles away rather than an active relay.
That distance is the whole problem. A signal leaving the antenna weakens on the way up, loses far more bouncing off a rough surface that reflects poorly, and weakens again coming back down. What returns is a vanishingly small fraction of what left the transmitter.
Large antennas with many connected elements help concentrate a weak signal into a tight beam instead of spreading it in every direction. The bigger the array, the more that beam behaves like a flashlight rather than a candle. That is exactly what a backyard builder with no institutional budget would need to make up for the power he did not have.
The paddock, the wire and the 100 watts
The operator was Ray Naughton, known in amateur circles by his call sign. He was a quiet electronics store owner from Birchip, in western Victoria, and he completed Australia’s first ever moon bounce. His only link to the professionals was ham radio chat from the home office shack behind his house.
He spent much of his time alone in a paddock, working on an antenna 820 feet across and roughly 100 feet high. What he had was land, so he used telephone poles and hung long wire rhombics from them, rather than factory built hardware.
He fed that array with a transmitter running at just 100 watts, about the draw of an old fashioned household light bulb. American scientists had told him he would need at least a kilowatt to achieve the bounce. A kilowatt is ten times what he actually used.
What the echo proved when it came back
Despite the skepticism, the contact worked. A readable signal left the Victorian paddock, reflected off the lunar surface, and returned clearly enough to count, using a tenth of the power he had been told was the minimum.
Histories of early amateur lunar work record his first copyable signals from a California station in July 1966, a two way contact with a New Jersey operator that November, and a completed two way contact with California that December, after nine months of trying.
The result traveled quickly through radio circles in the United States. He had been told the feat was impossible with what experts called limited equipment, and proving them wrong earned him a fully funded trip to the US to share his knowledge with scientists. That is an unusual arc for any homemade invention, dismissed, then flown in to explain how it was done. The domestic side was less glamorous. Naughton was not popular with his wife when she went outside to find their two year old son halfway up one of the 100 foot antenna towers.
You can read the bounce account for the family’s version of events.
How far the same trick has since been pushed
Moon bounce did not stay confined to one Australian paddock. Decades later, operators in Tasmania pushed the same idea toward the opposite extreme, not more power but dramatically less. Using an 85 foot dish, they bounced a data signal off the moon that was received by a large dish at an observatory in the Netherlands.
That set a world record for the lowest power data signal returned from the moon, at 3 milliwatts, about a thousandth the power of a flashlight lamp. The Dutch team’s own account shows how fine the margin was. A 10 milliwatt signal came through first, then 3 milliwatts went through without problems, while 1 milliwatt proved too weak, using a digital mode readable far below the weakest Morse signal.
A similar appetite for doing more with less drives a tiny hopping robot built in a lab, and it echoes the recovery work behind a battery plant squeezing maximum value from minimal material.
Why the moon still gets used as a mirror
Satellites and fiber optic cables carry almost all serious long distance traffic now, so moon bounce survives mainly as a discipline amateurs keep alive for its own sake. Weak signal digital modes developed since Naughton’s era let operators decode contacts that would have been pure static on the valve gear of his day.
Even so, the physics has not changed, and the moon remains exactly as uncooperative a reflector as it was half a century ago. Antenna size, receiver quality and patience still decide whether an echo arrives.
Anyone pointing a homemade antenna at tonight’s rising moon is, in a small way, repeating the experiment from that Victorian paddock. Most attempts still fail on the first few tries, and the ones that succeed tend to belong to whoever keeps listening, much like the self taught builders behind projects such as a hemp foam block made to outlast ordinary materials.
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