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Thank you very much DiSlord for your help and work. I will install this file this afternoon and inform you for the result. Regards, Rudi

30Hz in 100MHz. That is just 0.00003% low in frequency. For the money we spent, why would anybody not be satisfied with that? I'm still happy with the accuracy of my Grid Dip Meter. 73, Alek, VK6APK.

May I ask, what is the assembly house of Saa V2? It has small chips, 4 layer board and components on both sides of the board. All these could make an expensive boards but apparently it is not

This is a different device.

100 mHz, 299 mHz.

Try this firmware, just quick build vs XTALFREQ 25997748

Hello, For the moment, my friend has no access to the labo for component replacement (virus). I would try your XTALFREQU modification but i'm not able to modify and recompile your software. How can i

After searching for this component numbering, i found nothing at LCSC. I've done many frequency measurements and? had a great drift with temperature. May be it's not a TCXO but a XO with +/- 100 ppm

At this time code very dirty and contain a lot of debug and test info and i not add it to git (if need i can send code on mail), at this time it only of 'proof of concept' SD card support need only

Yes, I want to screw a 4-inch display to my V2, I can’t see anything on the small display!

It will be available later and a structure must be made that can support a 4" LCD.

Hi, will you screw the 4 inch V2 display?

Thank you all so much for your help so far! I've taken the cable down to analyze it. I removed all adaptors and intermediate cables as Allison suggested. Using the lambda/8 method suggested by Jose, I

DiSlord, This absolutely fantastic!? How much free flash is left over now for other enhancements? As for the card detect switch, can you use one of the spare pins on the uP as a sense input from the

Here additional foto. At the place where the card slot is located, a hole was cut. Now the card can be removed and put without any problems.

Preliminary alfa update for NanoVNA H4 v0.9.0 As you know H4 have SD Card support (see images), but MicroSD slot not installed on board I install it (get from old card reader), and implement

I did not see it as mocking, but rather a brilliant and feasible explanation of what might be the cause of the VSWR 'ripple'.

I received the 25 dollar unit from Amazon today. It is the gen111.taobao.com unit. I looked at that web site and it is a Chinese NanoVNA store. This one defaults to 50KHz to 900 MHz at power-up. Hans

Disregard, just reloaded the big font and found it under "Config". I missed that the last time I tried it. Love this functionality: Select a marker on SWR, and then use the scroll clicker to move

KV5, That sounds fantastic! I had a hard time following what version of firmware does this, and where is the "Ch-0 Info" screen? I don't recall seeing that option when I tried the big font software a