Sorry, this entry is only available in Français.
You may also like
You can find online a series of videos captured during two acquisition campaigns, in April and August 2009.
UFO-Science explains the interest of the acoustic detection for the study of the UFO phenomenon, through an experience on the sounds perceived by an observer equipped with a microphone, located near an aircraft in landing phase.
Sorry, this entry is only available in Français.
Sorry, this entry is only available in Français.