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Lots of samples at the source.
 www-pw.physics.uiowa.edu

The Northern Lights over northern Manitoba
“Natural Radio” describes naturally-occurring electromagnetic (radio) signals
emanating from lightning storms, aurora (The Northern and Southern Lights), and
most importantly, the Earth’s magnetic-field (the Magnetosphere).
This is a presentation of Earth’s natural radio emissions that occur in the
extremely-low-frequency to very-low-frequency (ELF-VLF) radio
spectrum–specifically, at AUDIO frequencies between approximately 100 to 10,000
cycles-per second (0.1 – 10 kHz).
30a1652.wav
24a1500.wav
LOUD_WHI.WAV,
WHIS4194.WAV,
PUWHS2.WAV
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