http://www.gnuradio.org/trac/browser/gnuradio/branches/developers/n4hy/ofdm/gnuradio-core/src/python/gnuradio/blksimpl?rev=6626http://www.gnuradio.org/trac/browser/gnuradio/branches/developers/n4hy/ofdm/gnuradio-core/src/python/gnuradio/bl…

http://dev.emcelettronica.com/gnu-radio-open-source-software-defined-radio