I don't know if you have ever heard of these transmissions. Most people believe they are spies transmitting code back and forth to one another. but some of them are freaky like young girls voices and ice cream truck music to transmit with. Alot of them are counting German numbers.
More info here: http://www.irdial.com/conet.htm
Some samples:
LINK
LINK
More info here: http://www.irdial.com/conet.htm
Some samples:
LINK
LINK