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First, great thanks to OneOfEleven for introducing SOLT calibration functions in the recent versions of NanoVNA-App. I use it successfully with my H and V2 NanoVNAs. The following comment is about 1.1.206 version, but is also applicable to older versions.

After saving s1p or s2p data files thanks to the dedicated buttons, I have seen that none of these files can be opened correctly with an other application (saver, sharp, partner, spa, etc.) So I have opened valid snp files got from saver ans sharp through a text editor, and have compared the content from files got with NanoVNA-App. The explanation is simple : the decimal separator in NanoVNA-App snp files is a comma instead of a dot for all other files. I have changed all commas to dots, and after it works normally.

I hope that I have not forgot something in the settings of NanoVNA-App, related to a such tweaking.

I know that these regional parameters are often a source of problems in many cases : OS, spreadsheet softwares ...

A last word : after testing NanoVNA-App and also TinySA-App in Win7/10 OS, I have tried them in a Wine environment under Ubuntu. They work correctly for most of the function, with little UI bugs, but not really annoyable.

Regards, and best wishes to all for 2021.

Jean-Roger / F6EGK

If i correct, comma or dot depend from current system locale settings

Thank you DiSlord for your answer.

You are right. If I change this locale setting in Win7/10, it works correctly now. I don't know why the other applications such as Saver, Partner or Sharp are not sensitive to this setting, but the main thing is that it works ! I have also discovered that the decimal separator used by NanoVNA-App is depicted on the left lower part of the main window.

I have also transposed this to the Wine/Ubuntu environment through Winetricks and the registry editor (regedit) :
Path : HKEY_CURRENT_USER\Control Panel\International
Entry : sDecimal and change "," by "."

Once again thank you for your help, and congratulations also to OneOfEleven for this master piece of software.

Jean-Roger