This Si470x userspace driver is available under the GNU Public License
version 2 (GPLv2).

Copyright (c) 2012 by Christophe Jacquet 
    <Christophe (dot) Jacquet (at) gmail.com>


It is derived from the si470x driver from the Linux kernel sources,
available under the GPLv2
    Linux si470x driver Copyright (c) 2009 Tobias Lorenz


It uses the HIDAPI library (included herewith), used under the terms of
the BSD license.
    HIDAPI Copyright (c) by Alan Ott and Ludovic Rousseau