Many many thanks, mate. It helps me a lot. Finally able to fix the issue. now it is working fine. Again thanks. 73 S21APJ

I am also using windows 11. First I would remove the driver you installed as I have a feeling that is causing your problems. For the record, I didn't even bother installing a driver and on my system i

I see, thanks! .. and do you know by any chance if there's a firmware or a way to modify the IFBW? I was mostly interested in the Ojisan firmware because of that. On Nanorfe website they show graphs w

I had the same problem with tinyPFA, after downgrading to 2.15 programming worked without problem, Thanks

LoL. I had to get an old USB hub, and connect to the NanoVNA through that one. All my USB ports misbehaved. That worked :-) You saved my day, thanx mate. Have a nice evening.....

Yes, just adding the card socket should work. If you want the firmware feature that automatically names the files with a timestamp, you will likely also have to add a real time clock crystal (which yo

That is OK, because the upload to the PC reads the complete 128KByte from the flash including the unused bytes after the program at the memory end while the FW files of about 100K contain only the pro

to be sure just connect open, short and load (with the cables/adaptors etc) that was used for calibration ... does it show a dot left right centre?? then calibration is fine and can be used ... ifg no

Thank you!

Scale factor for SWR = 0.250 = 250m (milli)

Thanks for the reply and information. I did recalibrate and saved them to SD. But the RECALL FROM SD menu item isn't there in 1.2.14. I rolled back to 1.2.0 for now. Regards

Yes, I found it. I needed to go to "more" and reread the entires. I found Node with "MS5351" and "Si5351" as options. I chose MS5351. Not where I expected it - especially with the number attached to t

You most likely had a weird chip and firmware combo too. Take it as a learning experience. - know your hardware - make backups of firmware (ideally 2x & crc) - check if updates are compatible with you

Great, I had a similar experience while attempting my first H4 upgrade. As you say you must first CHOOSE the new firmware file to load the file into the DFU Demo program. Then select UPGRADE to actual

DiSlord, Correction: My tinySA shows it on the "VERSION" screen, while the NanoVNA does not. But this is also more a topic deep in the HW/FW - we should discuss this on GitHub. Are you still using you

Hello Martin, Thank you very much for the detailed description. My print out of the SMITH menu is: SMITH LIN LOG REIM RX RLC GB GLC RpXp RpLC <- BACK I think this discussion is of still on topic. I wi

Are you certain that you are actually downloading to the NanoVNA, and not possibly uploading the old from it, and overwriting your image? If you errantly did that even once, subsequent correct attempt

Cool! Seems to work fine here on MacOS. 73, Cliff, AE5ZA

Glad you solved it, and sorry I did not reply earlier . . . we were out for the evening . . .

Hello Roger Thanks for the answer. I tested clear config and restart with 1.2.00, no luck. (i reduced the sweep points to 51 and it took "only" about 20 sek for a sweep, but no useful readout connecte