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Whistlers


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Posted
  • Location: ashby de la zouch
  • Location: ashby de la zouch

Is anyone  listening and watching VLF whistlers on a
Real Time FFT Audio Spectrum Analyzer ?
It's called Natural Radio.

Using a vertical whip aerial or such and an audio amplifier
with a notch filter at 50/60 Hertz to suppress mains hum.

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