May 16, 2008 - This very low frequency radio reciever kit is sold by Nasa's Inspire project - a group based around the study radio atmospheric phenomena, aka whistlers. These pulses occur in a frequency range audible to us humans (1 to 30 kHz) - and they sound quite mysterious an interesting. Listen to some samples - Spaceweathersounds.com

VLF-3 kit on Flickr
[Read this article] [Comment on this article]