Antennas Go Missing From Config File

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Ken Koch

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May 12, 2018, 5:23:25 PM5/12/18
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I have had the problem both with Linux and Windows versions of gqrx.  I'll open gqrx and have my antennas listed there.  At some random time they suddenly go missing from the configuration. 

I just did a Ubuntu install, I opened gqrx once.  I selected an antenna. The radio ran fine.  I forgot to save the configuration, but... In any event the second time I opened gqrx "poof" no antennas listed.  On Windows I've run gqrx 50+ times.  Suddenly I enter again and the antennas are gone.

Using gqrx -r does no good, the antennas are still gone.

BTW, I'm using a limesdr USB with soapy.

Any help would be appreciated.  It wouldn't be so annoying if I knew the original definitions so I could put them back, but...


Alexandru Csete

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May 12, 2018, 5:35:03 PM5/12/18
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Gqrx saves which antenna you selected last, but the list of available
antennas should always be the same. The list returned by the driver,
so if the antennas are "suddenly gone" then the the driver probably
failed to load properly. Check the terminal for error messages.

Alex
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Ken Koch

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May 12, 2018, 5:49:17 PM5/12/18
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I didn't notice any problems at/before shutdown.  There were definitely not any problems at startup.   Maybe some problem was listed and I just missed it.

 Of course with Windows there is no terminal session to look at, which I guess is a good reason not to use it, but... 

As a 30 year software engineer I'd suggest that gqrx shouldn't try to "solve" any problems by changing a configuration file without user permission/notification/verification.

Alexandru Csete

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May 12, 2018, 7:03:30 PM5/12/18
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On Sat, May 12, 2018 at 11:49 PM, Ken Koch <ken9...@gmail.com> wrote:
>
> As a 30 year software engineer I'd suggest that gqrx shouldn't try to
> "solve" any problems by changing a configuration file without user
> permission/notification/verification.
>

Thanks for the advice.
Here is some code you can read, perhaps it is more understandable for
you than my explanation:
https://github.com/csete/gqrx/blob/master/src/applications/gqrx/mainwindow.cpp#L483

Alex
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