Hi Thomas You email never made it into my mailbox, maybe it got caught as spam.
> I am using a USRP with only a DBSRX daughterboard installed. The image > at the following link is a screen capture I took. > http://img340.imageshack.us/img340/3570/screenshotusrpfftfy8.jpg > Does anyone know why the spike at 921.6 MHz is there? The spike doesn't look like it's from a GSM base station. What country are you in? Have you tried tuning the usrp_fft.py to the 921.6 MHz signal? > I have observed many of these spikes in other parts of the spectrum > using usrp_fft.py. I looked for them using a real spectrum analyzer > connected to an antenna and did not observe them. Maybe your USRP is picking up some interference, can you try it with a different computer and with a different power supply? Robert _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
