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Author Topic:   First Commercial RADAR
Tom W Clark posted 02-14-2014 06:27 PM ET (US)   Profile for Tom W Clark   Send Email to Tom W Clark  
The first commercial use of RADAR occurred on February 14, 1946, 68 years ago today here in Seattle aboard the Washington State Ferry KALAKALA

jimh posted 02-15-2014 12:13 PM ET (US)     Profile for jimh  Send Email to jimh     
It was the British development of the cavity magnetron in the early days of World War II that paved the way for small RADAR sets. While the USA was giving England a lot of assistance in the war effort, an extremely important contribution was made by British researchers who developed the compact cavity magnetron tube, and gave the technology to the Americans for further refinement and use in production of microwave RADAR sets.

In a rather curious coincidence, I was just reading the obituary of Dr. John F. Hanson, a scientist who work for Raytheon during the war and worked on the cavity magnetron tube. He was 98-years-old. html

The present-day RAYMARINE was once an offshoot of Raytheon, a big electronics contractor for defense projects of all kinds.

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