In Reply to: Tracking down a noise posted by Awe-d-o-file on July 24, 2012 at 13:54:45:
Hi,
Not being familiar with the DC area, I'm not sure; but I've heard similar noise emanating from hydro-electric dams (the turbines), big refrigeration units (huge condensers), wind generators, and diesel generators and train engines as mentioned.
Could be something the Pentagon is working on.
Regards,
Tom
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Follow Ups
- Could be... - tketcham 15:40:24 07/24/12 (1)
- RE: Could be... - Awe-d-o-file 17:06:11 07/24/12 (0)