The Funcube Dongle in action by Alexandru Csete, OZ9AEC. The Funcube Dongle is a USB flash disk sized software defined radio receiber by Howard Long G6LVB. It covers 64 MHz to 1.7 GHz and streams I/Q data to the host computer via USB audio interface. The control protocol is based on USB HID, thus no hardware drivers are required.
More info: http://www.funcubedongle.com/