Strange 'sound' outside!!

United Kingdom

Every village, town and city in the United Kingdom used to have a network of dual-tone sirens to warn of incoming air raids during World War II, which were later put to use as warnings for nuclear attack during the Cold War. With the end of the Cold War, the siren network was decommissioned in 1993 and very few remain. These sirens, mostly built by Carter, Gents, Tangent, Castle Castings, and Klaxon Signal Co., have 10 and 12 ports to create a minor third interval (B♭ and D♭ notes) and are probably the world's most recognized World War II "air raid siren" sound. In fact, recordings of British sirens are often dubbed into movies set in countries which never used this type of siren.

Where they do remain, they are mostly sounded on receipt of a severe flood warning for an area from the Environment Agency. Broadmoor Hospital has use of 13 sirens which are tested weekly. Sirens are also used for public warning near gas or nuclear power plants, nuclear submarine bases, oil refineries and chemical plants. They consist of about 1200 sirens, a mix of older motor driven sirens usually from World War II, such as the Carter siren manufactured by Gents of Leicester, and the Cold War and newer electronic sirens. They are located in almost every village, town or city that is near the sea or has a river running through it. They are tested once yearly between the months of August and September.
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Im 99% certain its a warning siren, If you have a fire station near by go and see if its coming from the fire tower.
 
janp said:
Are you sure they were from ADT. We recently had a similar scam in our area, they asked for £50, "another neighbour has already agreed" and then after installation......a huge bill. They weren't posing as ADT around my way though.

Btw, freaky noise!
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Well the guy had ADT badge but good thing I didn't buy into their talks. Although as you stated he could be just an imposter lol.

Yeah the noise started suddenly in the late afternoon. It would come and go but now it has gone for quite a long while now. I hope it doesn't start around mid-night!!:eek:
 
sounds exactly like an the air raid siren they did in my town a few years ago. lasted hours and no matter where you went you couldnt avoid it.

We had a few of them dotted around the town on posts all making that noise.

+100% for siren.
 
By the looks of it, it could be affecting quite a few throughout the country/world:

http://news.bbc.co.uk/1/hi/uk/8056284.stm

Heard of it before but never heard it myself.

Although with it being on tape also, I don't think it would be this. Apparently it's due to over sensative hearing they think but your video you can hear it clearly so probably something within a few miles and the constant noise is travelling.
 
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Grey M@a said:
By the looks of it, it could be affecting quite a few throughout the country/world:

http://news.bbc.co.uk/1/hi/uk/8056284.stm

Heard of it before but never heard it myself.

Although with it being on tape also, I don't think it would be this. Apparently it's due to over sensative hearing they think but your video you can hear it clearly so probably something within a few miles and the constant noise is travelling.
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that just sounds like someone really far away turned their bass speaker up too high
 
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