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Don N2VGU - I now see your point about the outer conducting surface of the coax shield still affecting the antenna even with calibration at the antenna end of the transmission line. Touching the coax

Many thanks Larry, you were precise and very fast in your response. I will try to find the components and make the modification you indicated. '73 de Paolo IV3BVK -- Paolo Garbin - IV3BVK - K1BVK WW

Refer to the photo here for the location of the external 32KHz xtal on the H4; /g/nanovna-users/message/14649

The HE model does NOT come with a built-in 32KHz xtal. So, the clock will behave erratic because the cpu is using the built-in reference that runs when the Nano is powered but halts when the unit is

Hello guys, I am writing this message to understand why my VNA-H4 has the internal clock that runs a lot, compared to that of the PC. I'll explain better what I mean. After the firmware update to

Phil, At the bottom of every post to this list you'll find the following pointers. Learn about the NanoVNA in the following forum areas: Documentation & Update Files:

Larry, Thanks, that 1.1.207 works Gary W9TD

Thank you Ron. I follow well enough to get the overall idea. Amazing sophistication in the hardware and software and a lot of hours of work by very talented people to make this device function.

Narrower bandwidth filter has slower filter risetime. So sweep must dwell longer to allow signal to build up to near steady state on narrow filter output. Narrower bandwidth gives narrower noise

Reg, Some of us don't know who R&L is. I found: http://www.randl.com/shop/catalog/ but I don't know if this is the one you bought. I found this:

You can try use this for image resize https://codepen.io/DenVdmj/details/aNJMeP

Thank you DiSlord and Igor for your help with this. DiSlord's explanation was clear and Igor's demo illustrated it nicely. I understand now how the Bandwidth selection works when using the NanoVNA as

DiSlord - Thanks for the help. I have used NanoVNA-App in the past and should probably just stay with that program. It has so many useful features and I have no problem with multiple screenshots. I

I got an original one (not a clone) in a black box with gold lettering. There was a plastic tray inside with indentations that held the three OSL connectors and an SMA barrel, the two SMA cables, the

Sorry - the path to the folder should be "Release" - not Win32: "NanoVNA-App 1.0.207 main.zip\NanoVNA-App-main\Win32\Release" Rename "Release" to whatever you want and run Nanovna-App from there.

That's the same copy (1.1.207) I just installed - and it's working for me now. Did you D/L from here?: https://github.com/OneOfEleven/NanoVNA-App/archive/refs/heads/main.zip Grab the folder named

I did and the vendor didn't know what a 50 ohm, SMA dummy load was!!!!!

Larry, The version in your file is 1.1.206, the working one I have, not 1.1.207 which has the mouse over access violation. Gary W9TD

Larry, I used the link to github provided by Vladimir. I will try yours. Gary W9TD

Interesting - I had the same issue when I tried the 1.1.207 app from the releases area on OneOfEleven's github site but the 1.1.207 from the zipped file in my last post is working OK. Which one did