radar history

Noel Chiappa jnc at mercury.lcs.mit.edu
Sat Mar 3 07:35:07 CST 2018

    > From: Chuck Guzis

    > the magnetron was made out to be a super-secret device, yet there's a
    > clear explanation of it in my 1942 "Radio Handbook".

Ordinary magnetrons had indeed been around for a while; they were invented in
1920. The British invention was the _cavity magnetron_, a quite different
beast; it was kind of a cross between a magnetron and a klystron, with the
best features of each.

Buderi (which is indeed an excellent history, perhaps the best in the radar
section of my library) has a good explanation of how it works.


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