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Luigi Tarenga luigi.tarenga at gmail.comHi Martin, the official rtl-sdr driver has been forked many times on github. Still I can say that the tuned bandwith is tunable with the official driver. The exported API is: RTLSDR_API int rtlsdr_set_tuner_bandwidth(rtlsdr_dev_t *dev, uint32_t bw); see the git: http://git.osmocom.org/rtl-sdr the function has been added on 2015-05-15 I can make a guess, does you python program rely on another software layer like gr-osmosdr? (gnuradio osmosdr) because I had the same problem where I wanted to tune the bandwidth with gqrx but the function was not implemented in gr-osmosdr, only in the underlying rtl-sdr driver. If this is the case I already prepared a simple patch for myself and I will the more than happy to share it with you and the list. Can you send some more details on your python program? Maybe I have some time to check it out how it works. Luigi On Mon, Feb 13, 2017 at 9:22 AM, Luigi Tarenga <luigi.tarenga at gmail.com> wrote: > Hi Martin, > the official rtl-sdr driver has been forked many times on github. > Still I can say that the tuned bandwith is tunable with the official > driver. > The exported API is: > > On Mon, Feb 13, 2017 at 1:13 AM, Martin McGlensey <mmcg29440 at frontier.com> > wrote: > >> I have a Panadapter program, written in python, that throws an error >> “undefined symbol Set_Tuner_Bandwith in librtlsdr0” Searching the net I’ve >> found that set_tuner_Baandwith may have been dropped from the library. I’m >> using version 5.3. One web site said that it had been added back in the >> latest revision v0.7.0. Tried loading the new library and now find that >> RTL-SDR requires dependencies found in librtlsdr0 version 5.3. Is there a >> work around to eliminate this error. I did download the latest rtl-sdr but >> it will not compile because of the dependency problem >> >> >> >> I did not write the program so I hesitate to take it apart and I have not >> received much help from the author. BITW I’m not the greatest linux person >> so I need clear answers. Having said that all responses will be appreciated. >> >> >> >> 73 >> >> Marty, N3MOW >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20170213/8fe9fdb4/attachment.htm>