Hi Eric, I tried simple FM receiver example in GNUradio (usrp_wfm_rcv.py) with USRP board, with Basic RX antenna. I able to catch some station like 93.5 FM, but not getting clear sound, I heard noise too much.
Then I try to run stereo FM example made in GRC, - to understand a process I put FFT after quadrature_demodulator, but I notice 1.I could not get good signal after quadrature demodulator itself 2. do not able to see any pilot signal around 19Khz, or L-R signal around 23 to 53 Khz. and L+R signal aroud 0 to 15Khz. I do not able to hear any thing. but at same FM station(93.5M) in mono case I can here atleast some sound. I attached my GRC block diagram for your reference, please guide me, where I am wrong. Thanks and Regards Tushar Patel pateltusha...@gmail.com .
stereo_fm.grc
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