The 'war tubas' we used to spot warplanes before radar (2018)

Re:The 'war tubas' we used to spot warplanes before radar (2... by SiempreViernes on Thursday May 28, 2020 @06:51AM (#23335819)

I think much of the usefulness is tied up into the sound arriving substantially before the plane itself.

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Re:The 'war tubas' we used to spot warplanes before radar (2... by TomMarius on Thursday May 28, 2020 @07:20AM (#23336004)

Or you have a network of sensors?

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