Using a PC sound card to receive VLF radio signals

Just connect an antenna to your computer's microphone input, and you can receive VLF (Very Low Frequency) radio signals! A sound card (or built-in sound chip) with a recording sampling rate of at least 96 kHz is recommended.

Example of using this method to receive VLF signals from Russia and Europe:
   • Excellent VLF receiving system with P...  

SDR Sharp software (for Windows) to receive and record VLF (and many other) radio signals:
http://sdrsharp.com/#download
Similar SDR (Software Defined Radio) applications are available for Linux and Mac OS.

Lists of VLF stations:
http://sidstation.loudet.org/stations...
http://www.smeter.net/stations/vlf-st...

Common sources of radio interference and recommended solutions:
http://www.ccrane.com/!wcjHVrOwu6BDBD...

About the accidental recording of VLF station GBR (16 kHz) contained on Mike Oldfield's "Tubular Bells" album:
http://alancordwell.co.uk/personal/in...
http://gkircher.stormloader.com/vlfcd/
http://en.wikipedia.org/wiki/Rugby_Ra...