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Wind turbine noise averaged 4.5-9 dB louder than predicted

At 10 different facilities, acoustical engineers Robert Rand and Stephen Ambrose measured wind turbine noise to be 3-12 dB (average 4.5-9 dB) louder than had been predicted.

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File information
Filename:measured-louder-than-predicted.png
Date added:Oct 26, 2013
Filesize:1270 KiB
Dimensions:1500 x 1125 pixels
URL:https://wind-watch.org/pix/displayimage.php?pid=688  |  short URLs:  https://wind-watch.org/pix/688 | http://wndfo.net/P688
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