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Hello group! May be one of you has once already heard this intense buzzing sound coming from this bridge. I hope you like the audiovisual stuff I posted in FB. On SoundCloud you may listen as well. Regards, Eckhard Kuchenbecker

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@Eckhard K, thanks for posting! I'd not heard of this before. Also, don't know who gave you the down vote but it was unwarranted. – Jay Jennings Jun 22 '12 at 18:31
@Eckhard K, if given the opportunity you should attach some contact mics to the supports, and perhaps a hydrophone near the base. – Jay Jennings Jun 22 '12 at 18:44
Hi Jay! Thank you and yesss! contact mics will be part of my gear for my next travel to Lisbon. I did not think about hydrophones before, but why not? By the way, have you seen this:… ? Best hydrophones I know. – Eckhard K Jun 23 '12 at 23:19

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