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I just updated my nanoVNA to version 0.8.0-20200620 firmware. After going through calibration the Return Loss, Insertion loss, and Smith traces all worked normally, but the SWR trace is stuck as a straight line at bottom of the display regardless of scale settings or return loss on CH0 port. Any suggestions on how to fix this?

My current configuration is attached.

SWR readings are normal using nanoVNA Sharp v1.02 on PC using USB interface, but nanoVNA SWR trace at bottom of screen with marker showing 1.0003:1 when actual SWR is 1.5:1

Why not try using Hugen's last firmware release or the one by DiSlord

Roger

Stimulus menu - pause sweep

Roger, I wanted to try the new features in v 0.8.0-20200620 released on Jun 19, 2020 by edy555 including the contributions of DiSlord.
I posted looking for a solution and if it is a bug, I wanted to let edy555 know about it.

I can always revert back to v 0.2.3-2, Oct 18, 2019 if necessary unless you can suggest a newer, bug free version.

Thanks,
Geoff

Sweeping normally. This is not the problem

On Fri, Feb 12, 2021 at 01:05 PM, gmendenh1947 wrote:

Roger, I wanted to try the new features in v 0.8.0-20200620 released on Jun
19, 2020 by edy555 including the contributions of DiSlord.
I posted looking for a solution and if it is a bug, I wanted to let edy555
know about it.

I can always revert back to v 0.2.3-2, Oct 18, 2019 if necessary unless you
can suggest a newer, bug free version.

Why not try the latest version by DisLord (1.0.45) in the files section of this group. Some nice enhancements and it works with the new NanoVNA app (Windows) by OneOfEleven which has more features than NanoVNA Saver.

Roger

Roger, Thanks for the suggestions. I have updated the firmware in my nanoVNA to v1.0.45 and everything is working fine now.
I would like to try the new NanoVNA app (Windows) by OneOfEleven, but I'm having trouble locating the Win 64 installation file.
I would appreciate it you could send me the link. Thanks, Geoff

On Fri, Feb 12, 2021 at 07:25 PM, gmendenh1947 wrote:

Roger, Thanks for the suggestions. I have updated the firmware in my nanoVNA
to v1.0.45 and everything is working fine now.
I would like to try the new NanoVNA app (Windows) by OneOfEleven, but I'm
having trouble locating the Win 64 installation file.
I would appreciate it you could send me the link. Thanks, Geoff

This is the only publicly available version I have found. Works on my Win 64 computer...
You want to download the .rar file and decompress it with something like 7 zip...