My guess would be that the RX is ovkerloaded. Is this via cable? If so do you have plenty of attenuation inline?
Sent from my iPhone > On Jul 16, 2018, at 5:29 PM, Justin Shetty <jas0...@gmail.com> wrote: > > Hi all, > > I am working with an s-band radio and am receiving its OQPSK-modulated > signal on an USRP N210. The signal I'm seeing on an FFT and constellation > plot before any processing are not as expected though. It is very different > from the example shown in the GNU Radio tutorial 7 (random source to a > constellation modulator to a channel model). I also looked at the signal on a > spectrum analyzer and it did not show the repeated peaks I am seeing on my > FFT. Does anyone know where I might be going wrong or what's happening? > > Justin Shetty > > <fft_and_constellation.PNG> > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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