During (and even before) WWII, the British developed Airborne Interception Radars.

When were the Germans aware of these developments during WWII?

I am asking partially because of curiosity and partially because of this answer on another SE site.

I will accept the answer with the earliest date. I will upvote all answers.

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    I'm confused. The answer to the linked question already answers your question. What do you expect of an answer here, short of a direct copy-and-paste?
    – nvoigt
    Commented May 1, 2019 at 19:33
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    @DenisdeBernardy Actually, I now see why you voted to close. The question has been edited to reflect my original intentions. Commented May 1, 2019 at 21:18

1 Answer 1


The answer depends on just when you are talking about. The existence of German AI radar detectors proves the Germans were aware of AI radar; several are documented in various wiki pages: for Metox (in 1942, by U-boats), Naxos (1943, by U-boats and aircraft) and Flensburg (1944, by aircraft). These make it clear that for the second half of the war the answer was "yes".

[Thanks to @rs.29 for the Naxos cite.]

A fun read covering this is R.V. Jones Most Secret War (or in the US, Wizard War). The Wikipedia articles cite Brown, Louis (1999). A Radar History of World War II: Technical and Military Imperatives, which is less fun but still packed with info.

  • +1 and Thanks for answering! As you can see, I made a mistake in the question... Commented May 1, 2019 at 21:17
  • You might enjoy reading J.V Jones's Most Secret War (or in the US, Wizard War) (See en.wikipedia.org/wiki/… for details.) Commented May 1, 2019 at 21:42
  • Thanks for the recommendation. I will look into it. Commented May 1, 2019 at 21:44
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    Even before that en.wikipedia.org/wiki/Naxos_radar_detector
    – rs.29
    Commented May 1, 2019 at 22:29
  • Good! Thanks. The question deserves a more careful search of the literature than I can deliver. Commented May 1, 2019 at 22:33

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