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Thread: Aircraft detection before radar - video and photo

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  1. Nov 7, 2018, 10:00 AM #1
    Jon
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    All of those wacky Seussian listening devices went the way of the dodo when radar technology hit the scene. Here's the first US radar, the SCR-286.

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  3. Nov 8, 2018, 08:08 PM #2
    sossol
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    Tom Scott has a great video on the ginormous sound mirrors in England.
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