nice beat-frequency display this morning from the wind turbines out west.
The spectrum display shows the two frequencies involved (3.4 Hz and 3.65 Hz).
The closest wind turbine installation is 85 miles away.
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Impressively clear signal, for sure.
I have some wind farms and isolated wind turbines closer than your range, but I could never identify such a signal, 99% probably due to my elevated noise floor.
I’ll have to see if I can get my Boom in a quieter location, as I am curious to try recording this, too.
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Cool @kpjamro I have never seen a spectrogram like that in 20 years of looking at spectrograms. Great find!
branden
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