Project Mogul (sometimes referred to as "operation Mogul) was a top secret project of the Military-air forces of the USA, associated with the use of microphones for flying on high altitude balloons, whose main purpose consisted in detection at long range of the sound waves from the Soviet Union tests atomic bombs.
This project was carried out from 1947 to beginning of 1949. The project used a lot of balloons, carrying a platform with microphones and radio transmitters to relay signals to earth.
The first bottles for "Mogul" consisted of a large number of latex weather balloon, but soon they were replaced by huge plastic balloons made of polyethylene. Also the pressure transducers, according to testimony which was produced ballast that was necessary to maintain a constant height.
Translated by «Yandex.Translator»
