Artur, You haven't mentioned what software you are using, how you have it configured, or what your flowgraph looks like.
If you are using two SDRs and the frequency difference is a few kHz, then that is just oscillator differences. On Wed, Jun 24, 2020 at 3:12 PM Artur Nogueira <artur.no...@gmail.com> wrote: > Hi everyone, > > I'm comparing the spectra of a pair of transmitted/received GMSK signals > (carrier frequency = 923 MHz). > As expected, there is a certain channel attenuation. > Nevertheless, there is this frequency deviation at the Osmocom Source > output: > [image: image.png] > > I suppose this is something related to the receiver hardware. > Do you have a suggestion on how to compensate for this effect at a > software level? > > Best regards, > Artur > >
