June 13/25, 2010 This is a signal from a military signal generator. This one is infrasound and is 164 Decibel. It is used to torture people. The US NAVY and OSHA have set the safety level at 140 Decibel..that is the max. This signal is coming from the south of our house in Nakhon Nayok, Thailand..it is under investigation looks like the green tower over there