Aug 20, 2022

Aircraft detection before radar, 1917–1940

Posted by in categories: innovation, transportation

Acoustic location was used from mid-WW1 to the early years of WW2 for the passive detection of aircraft by picking up the noise of the engines.

Passive acoustic location involves the detection of sound or vibration created by the object being detected, which is then analyzed to determine the location of the object in question.

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