File:Amplifier feedback1.png: Revision history

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14 November 2020

21 November 2010

  • curprev 01:2801:28, 21 November 2010‎ Jamesm talk contribs‎ 270 bytes +270‎ Spectrogram of amplifier feedback that sounds a little similar to beamship sound. Source: http://www.youtube.com/watch?v=16L5TwUC_dY See also http://www.alien-ufos.com/ufo-alien-discussions/21257-billy-meier-beamship-sound-possible-theory-how-made-10.h
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