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nasa wthttp://cdn.knightlab.com/

Wind industry told that dB(A) unsuitable to measure LFN emissions from wind turbines

Wind industry informed of how to predict annoyance from LFN emissions from wind turbines at Windpower ’87 Conference. Kelley explains how to measure LFN emissions that annoy neighbours of wind farms. LFN can be intensified inside homes. The dB(A) filter cuts out all the LFN and is therfore unsuitable. G-weighted scales were better correlated with noise, annoyance, vibration and pulsations.

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