Gqrx & Bad Audio

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Vincenzo Mone

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Jul 26, 2025, 7:50:30 AMJul 26
to Gqrx SDR
Hello everyone,
Every time i start GQRX under Ubuntu i hera for about a minute or two
the audio as heard in the attached file.
Please anybody can tell me how to correct it?
Thanks

73's de Enzo IK8OZV
gqrx_20250726_113351_144500000.wav

Dave Baxter

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Jul 27, 2025, 3:35:34 AMJul 27
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Sounds like "empty channel" FM noise to me, and looks like it as a spectrum plot..

What were the settings at the time.  Desired RF frequency (144.5MHz?)  Mode (AM/FM etc) and demod bandwidths.

What SDR front end hardware are you using with it, and with what software (drivers and so on etc versions.)

You say it sounds like that for 1 or 2 minutes.  What happens after that time?  What were you expecting?

Sadly, we need more detail to work with.

A screen save image would be good to see.

73.

Dave G8KBV

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Mike Waters

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Jul 27, 2025, 1:23:43 PMJul 27
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Yes, we need much more info than that. Good questions, Dave. :-)

Mike W0BTU

righthal...@gmail.com

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Jul 28, 2025, 12:46:55 AMJul 28
to Gqrx SDR
That is just good old fashion static. 

It is what you would get with Lime Mini or other devices without the correct antenna selected.

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Vincenzo Mone

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Aug 5, 2025, 5:53:55 AMAug 5
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Hello Guys,
this is how i hear the audio when i start GQRX.
Please any help how to solve?
I am using it with a FUNCUBE DONGLE PéRO PLUS.
Thanks

73's de Enzo IK8OZV

Gqrx.wav
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