I still don't understand why they could not locate it. Sounds falls off with the square of the distance. A single, localized measurement can have a hard time p

I still don't understand why they could not locate it. Sounds falls off with the square of the distance. A single, localized measurement can have a hard time pinning a direction, but a series of sample over an area will give you a 3D curve of intensity with a maxima near the source...