Sounds like a good case of EM intermodulation distortion with unknown inputs- but identifiable filtering mechanisms..Yep that's the Hummmmmm.....
On Nov 2, 8:25 pm, f5obv <[email protected]> wrote: > I live in Pau in SouthWest France and the source of the hum seems to > be west from here. > -When the wind blows from the south or the south east I cannot hear > the hum > -When an area of high pressure is blocked on my region I cannot hear > the hum or it's very very faint. > -The pitch of the hum seems to be in synch with some low noise > electrical engines in my house (external HDD, central heating pump) > sometimes the pitch of the hum resonates with these low noise > electrical motors, when I stop the electrical appliances, the hum is > still there. > -The hum is outside my body > -Only my left ear can hear it > -I sometmes feel a pressure on my left ear drum. > -There are some places where I've never heard the hum (in Paris for > example). > -The noise of the hum is reflected by the concrete building across the > street. > -The intensity of the hum can be high during the day too. > -I started hearing in the hum in my early thirties in Pau (in 1990) > and I had never heard it before. > -There is no military base or submarine base nearby > -My region has moderate sismic activity, we're located on the Pyrenees > fault > -My left ear was able to detect future eartquakes (from a few hour to > two or three days) when I was a teenager. > -Nobody around me (my wife, kids, family, friends colleagues, students > (I'm a high school teacher) > has never complained about hearing the hum. > All the best from the sunny Pyrenees; > JeanMarc -- You received this message because you are subscribed to the Google Groups "Hum Sufferers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/hum-sufferers?hl=en.
