Hi Marcus, I put a variable for that, and usually I put in 24kHz for signal bandwidth in Low Pass filter.
On Thu, Oct 15, 2015 at 10:46 AM, Marcus Müller <marcus.muel...@ettus.com> wrote: > Hi Hoang, > > are you sure you want to reduce the FM signal bandwidth to 6kHz in the Low > Pass filter? > > Best regards, > Marcus > > > On 10/15/2015 04:38 PM, Hoang Nguyen Tran wrote: > > Hi Tom, > Thank for replying, Below is my narrow band fm receiver base on nbfm rx > from http://www.oz9aec.net/ > I was able to receive and decode with ISS and other sat with 1200 baud > rate, but did not success with 9600 baud rate. > > On Thu, Oct 15, 2015 at 10:11 AM, Tom Rondeau <t...@trondeau.com> wrote: > >> On Wed, Oct 14, 2015 at 2:47 PM, Hoang Nguyen Tran <hoangn...@gmail.com> >> wrote: >> >>> Hi all, >>> >>> I have question related to audio bandwidth cutoff. >>> Yesterday, I received very good signal from STRaND satellite 9600 bps, >>> FSK modulation. >>> I used audio sink to record the signal then used it for decoding. >>> However, I was unable to decode signal, then I ask some another ham >>> radio expert and he said because of my audio bandwidth cut off for some >>> unknown reason is 3000 so it is unable to decode. >>> >>> Do anyone know why and how can I change the audio bandwidth cut off ? >>> I used the normal WAV file sink with set up: sample rate 48000, N >>> channels : 1 and Bít per sample 16. >>> Thank for your time and I appreciate any comment. >>> >>> Best regards, >>> Hoang >>> >> >> Hoang, >> >> It's nearly impossible to help you here since you've given us no >> information on your setup. Yes, sample rates and filter bandwidths matter >> in this. You've likely got some numbers in your flowgraph wrong. >> >> Tom >> >> > > > > -- > -HoangNT- > PhoneNo : +841654248782 > Skype : hoangastro > FB : https://www.facebook.com/kenshin.rorouni > > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- -HoangNT- PhoneNo : +841654248782 Skype : hoangastro FB : https://www.facebook.com/kenshin.rorouni
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