Wolfman1993, on 20 January 2013 - 10:40 PM, said:
it was like metallic clanking, but the direction it was coming from and the area I was in didnt make any sense, even if it could be coming from something industrial, and the thing is, if you personally havent experienced it 1st hand, you can only make a guess as to what it is. I'm not saying it's the trumpets of the apocalypse, but maybe something a little more uncommon than we think
If DingoLingo's account is any indication, there might be a chance that this is distorted sound bouncing of the ionosphere, from some industry that can be over a 100 miles away.











