SNR graph in FreeDV

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Dieter Pelz (Faustdownunder)

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Jan 20, 2026, 4:38:57 PM (8 days ago) Jan 20

to digitalvoice

I have placed a feature request for an SNR graph:

https://github.com/drowe67/freedv-gui/issues/1172

A prior request was placed in 2025:

https://github.com/drowe67/freedv-gui/issues/852

When I was using VarAC, I found the SNR graph most valuable. Similar to an S-meter, the SNR is never really constant on HF. With the SNR graph, we can detect trends and make comparisons, etc.

Please see the Github feature requests for more justification and further details.

Of course, this has no high priority. However, I consider an SNR graph to be relatively easy to implement as a useful feature of FreeDV with practical operational value.

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