Science: Message from the Moon

The coded signals picked up by the National Bureau of Standards' field station at Sterling, Va. echoed a historic message: "What hath God wrought!"* It marked a historic occasion. The message had come all the way from Cedar Rapids, Iowa on ultra high frequency waves (418 megacycles) which do not normally travel beyond the horizon. It arrived by way of the moon.

The 20-kw transmitter of the Collins Radio Co. at Cedar Rapids, explained the Bureau of Standards, was pointed at the moon. So was the receiving antenna at Sterling. The wave went...

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