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Possible whoops and knocks heard from a home near Nottingham witnessed in Chester County, Pennsylvania

Chester County, Pennsylvania

Near Nottingham, PA

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Chester County Pennsylvania (Class B) BFRO

September 2011

At about 10:45 PM EDT I walked out to my work vehicle to grab a smoke and my phone. After I shut the door I heard something hit the building next door followed by "whooping". "WHOOOOWHOOP" A lower tone followed by a higher one. VERY SIMILAR to your recordings.... almost spot on. This continued for about a minute or two. Not the first time I've heard it either. I came across your site while looking for sounds similar to that then found your clips.

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