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Hi John - I guess that we both know better: That is very old firmware, and some firmware that old did not do touchscreen calibration well Avoid version that includes the phrase "NanoVNA-H4" For

Hi Herb, The first impression: - the opening of the USB-C socket had to be widened. - the menu switch did not work for the first time (the menu is called without a marker). - I charged the battery and

Can you download: http://ha3hz.hu/images/download/nanoVNAPartner0.20.zip 73, Gyula

Did you actually read the information there?? Here's an exact snip from DJ0IP's site: *? begin quote? *** Before going on to the next page on Advanced Theory, it is a good idea to study the

Hi John, PuTTY didn't work for me either, but I didn't research the cause. However, Terra Term worked for the first time, try it. 73, Gyula HA3HZ

A far more extensive treatment of all topics related to this, and many others, which is well based in good engineering practices and faithful to the physics of EM can be accessed at the following URL.

Oristo, I have cone to Wits end. I tried the clearconfig 1234 command and got the proper reply -- Config and all cal data cleared. I did a power off/on but see the same screen. Back into PUTTY for

K9YC's RFI-Ham.pdf file is an older one with a lot of good information, but K9YC wrote the 2018Cookbook.pdf paper specifically to update the information on common mode chokes.? He no longer uses some

Thanks Larry; I got the 7-zip but still can't get the file for the nano. Bob

Does not download, just gives me a screen of gibberish. Bob

Bob - it's not the downloaded files. If you're trying to unpack the archive using the built-in Windows utility - it won't work.Windows is only licensed for ZIP files, not RAR. As Oristo said, download

Hi Bob - Is nanoVNAPartner0.20.rar not downloaded? If it is, what utility are you using to unpack it. (FWIW, I use https://www.7-zip.org/ ) What operating system?

Hello Kurt, Sorry, I can not make it to work. Can you please tell me, what is the length of your coax cable and what type. I guess that your dip was at 500 MHz, right? But then a span of just 500 MHz

That one is also no good. Bob On e.g. Windows Chrome browser, right-click and select [ Save link as... ]

On e.g. Windows Chrome browser, right-click and select [ Save link as... ]

Amidon recommends material 26. Suppose they know why. Please do not look up old data from 1945 publications, go for the modern technology of today. Material 43 is out, 73 is out, they do not cover the

No luck with that link. Bob Hi Bob, Please download from: http://ha3hz.hu/images/download/nanoVNAPartner0.20.rar neb sent it to me for testing, which I gladly did. Since I didn't get a detailed

See also http://k9yc.com/2018Cookbook.pdf for "The Measurement Setup For Chokes" and "Winding Guidelines".

Yes, Oristo, I had found that sane 'workaround' last night. I will give it a test today. John TI4JWC

I think Dave meant to link this document by K9YC - http://k9yc.com/RFI-Ham.pdf. It’s the one where he compares a number of different types (#43, #61, #73, #78, etc) and why he often prefers #31. But