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The original (Tora Tech, AKA edy255) nanoVNA lacked shielding but also worked well only to 300MHz and not from battery. Hugen fixed those while also making display changes and replacing Windows

Hi Frank Hugen did so a week or two ago which you can find by searching the forum. In another post he mentioned the bad clone in his photos has no screening over Ch0 & Ch1 circuitry and a pcb on the

I am considering purchasing a NanoVNA. I live in the United States. I see discussions on possible clones and differences in the available NanoVNAs. So, what would be the best source to get a NanoVNA

Let’s hope one of the people that purchased hardware from you make the code public. Under the terms of the GPL you have to make then aware that they can do that, and if you try to restrict them, you

Apologies - there was a mistake in my original email. The reference position setting is under Scale, not Trace: Display/Scale/Reference position Looks like the function may vary by clone, build or

I keep reading about bad and semi bad boards. I played with mine a bit, but not extensively. Is there something on the board (like a number or ID), or is the way it was built. I know I don't have

Mike, I think the way it works is as you described with an entry of 1-8 (0001 to 0008) to place the REFERENCE line 1 to 8 GRID SPACES from the BOTTOM. So an entry of 8 places the reference trace

Display/Trace/Reference position Adjust to taste Recall Save/Save/Save0 Causes the new position to be recalled when the device boots. The SWR trace on my semi-bad clone was just off the screen at

Good luck John. Not too difficult to make your own short as long as you have a spare SMA plug of course. Shame Maplin are no more! 73 Mike [email protected]> wrote:

I share my changes on the forum(http://bbs.38hot.net/thread-756047-1-1.html) and provide the original code to users who have purchased my hardware. But a bad clone appeared and claimed to have made

Hey Hugen, I want to order an original nanoVNA form you. I have to tried http://gen111.taobao.com/ but that doesn’t work. I can’t read Chinese :-). Also change language doesn’t work. Do you

In general terms, the GPL only requires that source is made available along with the binary. It doesn't need to be put in a github repo. It doesn't require that anything is given for free. So someone

Is it possible to move a trace up or down? I sometimes have the trace at the very bottom of the screen and some of it falls away. And I can't find where I can adjust this

Dr Kirkby is absolutely right, GPL is GPL and that's that.

[email protected]> wrote: Well, if something is missing that should be there, then if bought from eBay, I would stick in an “item not as described “ claim. My

Larry, Why should hugen not go into great detail? His actions are a blatant contravention of the GPL license. Dave -- Dr. David Kirkby,

If you used GPL code to create your own, then you are breaking both the spirit and legality of the GPL to keep the source code closed. I find that a deplorable thing to do. Yes, I know that the

Good luck with that!?? I also had the Short missing and didn't think the vendor would even know what I was talking about, but it was pretty easy to make one with a PC mount male SMA and a scrap of

Hi Mike I am also missing the "short" from the calibration set. I'll let you know if I get anywhere with a complaint I've put in to the vendor,. John.

Well, that explains perhaps why the last time I re-upped my subscription I did not have to go through the annual questionare. I retired this year and have been trying to figure out how to maintain my