Acoustic guidance system for anti-aircraft artillery. An acoustic locator consisting of four acoustic horns, a horizontal pair and a vertical pair, connected by rubber tubes to stethoscope headphones worn by two technicians on the left and right. The stereo headphones allowed one technician to determine the direction and the other to determine the height of the aircraft. The acoustic locator could detect targets from 5 to 12 kilometres away, depending on weather conditions, operator skill and the size of the target formation. It gave a directional accuracy of about 2 degrees. West Germany. 1940-41

A German military man wearing headphones while operating an 88 mm FlaK 37 (German: 8.8-cm-Flugabwehrkanone) also known as the ‘eight-eight’ (German: Acht-acht) was a German 88 mm anti-aircraft gun in service with the German Air Defence Forces. West Germany. 1940-41German anti-aircraft gunners prepare shells. The anti-aircraft gunner on the left adjusts the delay on the nose fuse with a special hand set wrench. West Germany. 1940-41
- Author:Scherll
- Place:Germany
- Country: Germany
- Army: The German Army
- Collection:The Western Wall and the air defense of the Third Reich
- ID:Flak_11
Photos from collection The Western Wall and the air defense of the Third Reich
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