Re: [Discuss-gnuradio] Issue with basic FM receiver

Hi Marcus, Thank you for your reply. The Frequency Xlating FIR filter should be already doing the decimation to being samp_rate down to 48k. However I found out that formula for the Quadrature Demod gain was using samp_rate instead of audio_rate (48k) and the gain was excessively high. Having fixe

[Discuss-gnuradio] EPIRB signal decoding, I/Q data

Hello, I am trying to wrap my head around a project, and I have a bunch of question I am not able to find an answer for. Hopefully someone can point me in the right direction. I am trying to decode an EPIRB signal [1] with gnuradio. The signal (400 bps) is phase modulated +/- 1.1 rad with the dat