Hi there JeanM- Good report, positive as to symptoms -and includes some directtional data which is VERY hard to get with hum due to its ubiqiutous nature. The first thing that sprang to mind, then, was what I mentioned only in my last post to Steve [Gas Pipes]- the issue of sea waves causing some kind of resonance round the world . Certainly, a large enough engine if the mechanism can be identified. This may seem a cranky poke at the problem- but I like it ,as it is BENIGN in origin and thus takes out some of the fear mongering with other possibilities -which I also don't let 'off the hook', by any means! Does this promise to solve the hum? - Doubtful [very] - but untangling cause and effect is the main function of us hum chasers...
On Oct 30, 9:54 pm, f5obv <[email protected]> wrote: > Hello, > I started hearing the hum in SoutWest France (Pau) in the nineties (I > was in my early thirties), there are some cities where I never heard > it (I never, never, heard it in Paris or in Bordeaux) I heard it very > faintly one night when I was in San Francisco CA USA during my second > stay there. > It seems that it is my left ear that hears it (sometimes it feels like > some physical pressure following the modulation of the hum inside my > left ear), if I put a cup or a bowl over my left ear it attenuates the > sound and that fact has convinced me that the source of the hum is > OUTSIDE my body and not inside, I sometimes hear it in the countryside > and in the mountains and ost of the time it disappears when there is > a high pressure system over my region., I've become convinced over the > years that it comes from the air and sometimes it is louder when the > wind comes from the West or the SouthWest, I heard it though at night > when there was no wind at all, but a high pressure system seems to > stop it, so it could be coming from the atlantic coast which is about > 120 miles from here. > What do you think? > All the best from the sunny Pyrenees; > Jean-Marc > Ham radio call: F5OBV. -- 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.
