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Originally posted by AG123
I've been on ATS for several years reading in the shadows. This is my first post. On the 11th of December 2012 4:25 am GMT, I heard a strange tone emitting from outside, I grabbed my digital voice recorder opened the window and recorded what I could hear. The reason I left it so long between hearing the noise and posting this threat is because I've been really busy and only had time now, anyway, I heard this tone for about 4 minutes and dismissed it as general noise before I discovered it was coming from outside. Once I opened my window I could hear this noise constantly outside, there were no planes in sight of the sky, nor was anybody around.
I have included the audio it a link attached below, it resembles an air raid siren towards the end. After this tone stopped about 20 minutes later there was another tone of a lot higher frequency which could be vaguely be picked up, however I didn't record the second sound due to the voice recorder would not have picked it up.
Regardless, Id like to hear you guys explanation for what this noise could be
Heres the link, Soundedit on 16-12-2012 by AG123 because: (no reason given)