开云体育

Leakage between ports AFAIK

RF Demo Kit For NanoVNA VNA RF Test board Vector Network Test Filter Attenuator - The one on ebay with ffl connectors I have two ffl cables to the nanovna. It seems that these cables cables do not

OK thank you! The Version screen only said "NanoVNA" at the top, not NanoVNA H or NanoVNA H4 so I was confused as to which version to download.

Try a powered USB hub between the PC and the Nano. John

Download and read the user guides you can find in the forum's files section - my guide and martin's beginner's guide. It's all in there. You have an H - do NOT flash the H4, V2 or F firmware as it

Hi, I just received my NanoVNA. I am using Martin Svaco's excellent Beginner's guide to get acquainted with its operation. I want to upgrade my firmware if there is an upgrade available. But I am

Check the USB cable for serviceability, check the serviceability of the USB connector of the device! Further, everything is more complicated!

I totally agree with Roger, in fact if you use TLDetails it is immediately noticed. 73' Franco

Hi Ian, It’s time to upload the improved firmware, currently 1.0.45 from the latest DiSlord. NanoVNA-Saver also has a newer version of 0.3.8, and in the meantime, OneOfEleven has also created a very

I have NanoVNA V2 Plus4. After connecting to a PC, its display dims and it turns off. After disconnecting the cable to the PC, the device boots to the default settings. Are there any ideas how to fix

Hi, An inexperienced User here .. I worked with my nanoVNA for several hours this afternoon practising Calibrations and using it to determine the impedance of Co-ax as per a recent Thread. Flushed

I made a manual for the v2.4. it is in there and most of it relates but there are differences. It is in the files section of the other group here

OK, thanks Larry -- I had missed that section. And thanks Dave for the link to a better deal on those card holders. Probably the same exact maker.

John, G4DRS: You can't install NANOVNA SAVER as such. Once you download it, drag the downloaded file onto the desktop (or wherever you want it). When you double click on that icon, it will launch

I never got a conclusive response to my initial query regarding why I could not measure impedance, resistance and reactance on my CMC-choke, i.e. why it can not be shown on the Nano itself although

Please refer to the forum's Wiki - there is a link at the bottom of every emailed message. You will find technical info there but for a quick summary, the H4 is faster, has more memory which means

Hello, I just received a new H and have used it to evaluate and tune antennas. I didn't realize there was an H4 out until finding this group. Besides the 4" screen and the additional cost, are there

Dave, On that subject, I can't seem to 'install' NanoVNASaver properly. It seems to try to install it every time I click on the .exe. I

This is what I ordered and had no problems installing (it is a 10 pack): https://www.amazon.com/dp/B07WMSNMLN/ref=cm_sw_r_cp_apa_fabc_cp38Fb3QGMXCR?_encoding=UTF8&psc=1 The pictures on the item you

In posting 19736 in this thread John Gord has already explained how to measure the *coax cable impedance*. I have placed that on my web page with an example with screen shots: