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Hello DiSlord; Thanks for catching the essence of this thread so quickly. :-) I was suspect that you might be ahead of us on this, and it is awesome that it is already supported. I have the original

Don, Thanks! Actually, I have been using the H4 without any issues. It was only just?recently on the NanoVna Group that I learned the slot existed in the first place. At?some point I am sure it will

thank you Dave and Stan (yes i was referring to the save ch#s)... that's what i was wanting to hear... you just made my day. 73s

Thank you for the speedy responses. I will read the guide as you suggest.?Of course, using a terminal emulator over the attached com port makes sense.?Admittedly, I haven't had occasion to use that

I think you are mixing "ch1" with the memory save slots. But answering your questions, assuming you were referring to the save slots: a) The save slots store a calibration (and various other

Or you could pop out the SD card and put it into a card reader, the old "Sneakernet" way. 73, Don N2VGU

If you use SAVER, you can store cals on your PC or laptop supporting SAVER. If properly labeled, it's clear specifically what cal. you are pulling up for which application. Dave - W?LEV

ill add a cal Q on top of the good answers already said... Q: say i cal 2m up to 440 in ch0 then cal hf 1mhz to 50 in ch1 then cal 28mhz in ch2 finally cal my cb/27 in ch3 if i go back and sitting on

Chris, You need to have the last formally released version of DiSlord's firmware installed in your H or H4 for the 3 SD card commands to work. That should be 1.0.69 You can find in in an zip'ed file

The NanoVNA has two "interfaces" - one is the touch screen, the other is the serial port over USB.? So there's lots of functions available by sending serial commands and getting responses back (as

Any NanoVNA can control from CPU Software like NanoVna Saver or NanoVNA-App open com port connection and send commands You or any programmer can update exist / write new software for SD card access

Advice: When in doubt, calibrate....... Besides, the whole cal. procedure is relatively insignificant in time. Even using the HP 8753C, I calibrate every time I want to measure my latest "brain fart".

Greetings, Thank you for that information. But, I am not clear as to how to initiate an connection to,?and or the ability to exchange data to and from the SD Card which is installed into the

Not sure but perhaps install the win 10 dev kit as suggested under the windows usage notes for pyinstaller here: https://pyinstaller.readthedocs.io/en/latest/usage.html#platform-specific-notes-windows

My NanoVNA H/H4 fw support commands for SD card access, so some one can write software for work. sd_list {pattern} sd_read {filename} sd_delete {filename} Commands: sd_list {pattern} example get all

Hi Joe, Anything that is saved is stored for future use. Once you've chosen a range to calibrate, you can turn the NanoVNA off and then just recall the stored calibration. As far as needing a wider

When you do a Calirate say between 3.5 and 4 Mhz, and save it. Now next time you power the unit up (NanoVNA-H4) And choose that saved profile, is that calibration still valid? Or should you do it

Use a toe nail clipper and a nail file? -? ;-)

Thx Larry... At least it’s been considered. Back to figuring out how to “hog out” the opening for the SD card in my nano VNA-H4 case.. :( -- Regards, Robb N2VJO

Won't work - the Nano is a USB CLIENT. You need to have a USB HOST port in order to plug in a memory stick. This has been discussed before in the forum.