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Dear VNA Users
I downloaded new nanaVNA-App from OneOfEleven, 1.1.207.. from which I believe it is a superb program..( for me the best and nicest , since I use it from the earliest versions )
I see that it crashes immediately.. ( uses on W10-x64 ), see picture , access violation...
Should there be any special recommendations about it or solution ?
Tnx for any help or support..

Jemp

There's a known problem with that version.
(Google for the thread)

Use 1.1.206 instead.

Mike

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*From:* Jempi ( ON7MA ) [mailto:on7ma@...]
*Sent:* Wednesday, 8 September 2021, 11:27 am
*Subject:* [nanovna-users] NanoVNA-App 1.1.207 crashes , 1.1.206 does not

Please read the notes in the forum's Wiki for this app.

Tnx for all reply's.. real Ham Spirit

Found the solution.. error comes from not finding mem_0.s2p file
Most likely a small bug in searching and needing it
So copy this file from the github into any folder with, the exe file and it will work..

Try it and give feedback.

Jemp

Hi Jemp,

I've had the same issue with the error noted and have looked for the file <mem_0.s2p> you mentioned in , but I don't see it listed.

Out of curiosity I copied mem_1.s2p and renamed it. The program load ok now, but I don't know what the effects are to the operation of the VNA.

Comments?

Rich

the mem_0 is a file that is filled when live sweeping...
when the program starts it looks for this file, as the curve from last measurement comes up.. ( I think :-) )
i see this, because data in this file, is exact the last saved data from the last measurement...
probably this is a bug, that it can not start with empty data...
here is the file in annex

suc6 with it

I've fixed the bug - hopefully.

Thanks - It solved the access violation error problem.
I'll update the forum's Wiki to release 1.1.108

Cheers,Larry

Ooops, I meant v1.1.208

Please read the updated notes in the Wiki for the Nanovna-App application regarding installation.

v1.1.208 works great ! I love it - it?s the best - thank you OneOfEleven

Thank You OneOfEleven...

Great respect.. Top !!!

JP

Works fine !! Thank you so much OneOffEleven.

Jos


Op 8-9-2021 om 18:03 schreef OneOfEleven:

--
Dit e-mailbericht is gecontroleerd op virussen met Avast antivirussoftware.

Very thanks OneOfEleven !!!

Enrique LU8EFF

Hi,

A great effort, OneOfEleven !
Apologies in advance if this thread isn't the correct place for this question though.

I have a NanoVNA V2Plus4 (build 20101013, v1.2) and cannot successfully run other Apps on any of my laptops (Win-7 old machine & Win-10, new machine), both have Cypress drivers installed. So I was delighted when this version ran (v.1.1208), however ...

The pgm loads OK and most functions (span, number of points etc) can be changed. However the 'Continuous Scan' only runs a single scan. The Nana displays USB mode screen as expected. Selecting Cont Scan a second time causes the Nano to revert to it's normal VNA display and then selecting Cont Scan a third time, updated the v1.1.208 graphs. I can crash/freeze both the Nano and the s/ware v1.1.208 by selecting an invalid value (ie : Number of Points).

Is it finger-trouble or have I missed something obvious ? Appreciate your comments.

Thanks in advance,

Kitski

I can't write or debug software for units I don't have I'm afraid (I don't have a V2plus4), it's like trying to find faults on a car you don't have or have never seen, you need the car there with you to run tests on.

Anyway, to be honest I've moved on now, am doing other things these days.

Thanks for all the thanks.

Thank you madam!
I'm new here... Tried your APP. Great!
I wish you the best.

73,
Prem
VA3UMA