A plaque has been unveiled on the former grounds of Fort Monmouth,
in Wall Township, New Jersey at what was designated as Site Diana,
a radar dish installation that was first used to bounce a radar signal
off the moon.
The plaque was sponsored through the Institute of Electrical and Electronics Engineers (IEEE).
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Originally Posted by The plaque reads :-
On 10 January 1946, a team of military and civilian personnel at Camp Evans, Fort Monmouth, New Jersey, USA, reflected the first radar signals off the moon using modified SCR-270/1 radar. The signals took 2.5 seconds to travel to the moon and back to the Earth. This achievement, Project Diana, marked the beginning of radar astronomy and space communications.
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Originally Posted by Joanna Goodrich, IEEE Spectrum, 21 May 2019
Since 1946, mapping of astronomical objects has been done with radar, although it’s more sophisticated than what the Project Diana crew did. But the basic technique of bouncing radio signals off distant bodies that was developed for the project has been used to gather data about the geological and dynamic properties of many of the solar system’s planets and other heavenly bodies. Additionally, the technique has been used to determine the distance from the earth to the sun and the scale of the solar system itself.
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Also since that first pioneering effort time, radio amateurs have routinely
performed Earth-Moon-Earth radio communication by bouncing signals
off the Moon.
Story here :-
https://spectrum.ieee.org/the-instit...ieee-milestone
Project Diana historical web site here :-
https://www.projectdiana-eme.com/
