WBFM Transmit blks2_wfm_tx from gnuradio import blks2 blks2.wfm_tx( audio_rate=$audio_rate, quad_rate=$quad_rate, tau=$tau, max_dev=$max_dev, ) Audio Rate audio_rate int Quadrature Rate quad_rate int Tau tau 75e-6 real Max Deviation max_dev 75e3 real $quad_rate%$audio_rate == 0 in float out complex