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Hi Jeff, for running on Windows, you have the option of using the pre-built release, which contains a .exe - available here: https://github.com/mihtjel/nanovna-saver/releases Otherwise, having

Thanks everyone. Particularly Dr Kirby. Lots of great advice there. I need to work out the best way to collate that together and what changes need to be in part 1 Vs part 2 or even 3. I have found

The software is able to ignore the odd harmonics of that square wave. Works something like this: Two Si5351 outputs are used. CLK1 is what goes out to the DUT. CLK0 is always 5khz higher than CLK1,

Stupid cell phone autocorrupt!? My comment should read "hygroscopic", not "gyroscopic". ?Wayne Maynard <wb6bfn@...>?

You can also find 99% isopropyl if you look around, at least in the US. Amazon carries it as well.

Reginald has an excellent point about residue removal.? 91% isopropyl alcohol works well as does acetone if done quickly.? Just be sure to remove any left over residue, usually a white powdery

Hello Warren, The diagram has an amplitude span of 70 dB. In order to see a 0.1 dB deviation it is too coarse. An amplitude span of 5 dB would be adequate in this case, if you really want to prove

I just discovered that the screen is glued in place with adhesive which is sensitive to isopropyl. so masking it off when cleaning is probably a good idea.

FWIW Here is a display from my 8560A of the spectrum of the nanoVNA source producing a 10 MHz CW signal and another showing how it is connected. The strong odd order harmonic content is probably the

I replaced both SMA connectors with bulkhead units soldered on both sides of the PCB and while cleaning up was reminded of an important detail. The OEM did not clean the flux residue after soldering

Well Warren, by choosing the words that you did, you did an excellent impersonation of someone who was trying to demean my efforts. But I am pleased that you are getting results that please you on

Reg, Speaking if price drops of T&M gear, I still have my Telequipment D67 scope I bought new in '73. It was $1k Cdn back then for a 25MHz device. Look what you can get for that from the likes of

As promised….. one hour later. The White Salamander with is real world DUT is returning exactly the same results. It has not drifted even a tenth of a dB from its cold start. May we use real world

Rune, I've just downloaded Python 3.7.4. Could you briefly outline what other steps an old neophyte like myself need to take so that I can use your Python script? Many thanks! - Jeff, k6jca

I am using Windows 10 with Putty and the console works as expected. It also worked fine with NanoVNASharp.exe Are you 100% certain that you are connecting to the COM port that the driver is emulating?

Roger, I am not trying to demean your efforts. I am just pointing out that such differences are not significant in the real world not just to me. There may indeed be real world significant differences

Hi Warren, Not much more to say now, as my results were nonsense and meaningless to you. And I won't be running around trying to create scenarios which do mean something to you. I have shown my

The first link I gave doesn't seem to want to work properly. Please copy and paste:? ??www.dg8saq.darc.de/HamRadio/HamRadio_DG8SAQ_2018_English.pdf Again, the second link

Thanks for the heads up Larry.? Use? ? ??www.dg8saq.darc.de/HamRadio/HamRadio_DG8SAQ_2018_English.pdf Stuart K6YAZ

Roger I have seen the article. Return loss measurements of 40 dB or greater turn to mush on most instruments that cost less than $10,000. No surprise the same would apply to the NanoVNA. But a couple