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I've built from latest sources with RTC/SDCARD and 192k ADC but H4 does not start..

I got a brand new Nano vna h v3.4. Right out the box no cables. At all. No connectors. Nothing. No charger. I'm dealing with it right now with the seller and they want me to return it. They did it to

Nope, I talk stop frequency. Setting for example 1500MHz or 2000MHz disconnects the H4 from serial, it also offers to "save the .bmp" when clicking on Scan. Bandwidth is a different issue..

wrote: If the advert is to be believed, then the GPL code has been changed to LGPL, which is not legal. I would like to know the reason for the extra L. Dave -- Dr. David Kirkby, Kirkby Microwave Ltd,

Check phase measure to 2.7G Its ..... perfect

Hi Christos, Please try using the forum's search feature.? I created a 'how to search' document that is the first item in the forum's Wiki. Search on:? bandwidth AND setting ... Larry On Mon, 3 Aug

One caution regarding using the NANO's for Duplexer tuning (and I've done many using the HP 8753C): Typical goal is to adjust for at least 100 dB isolation between receive and transmit frequencies for

In simple words: Then NanoVna measure signal level and phase it made fft (fast fourier transform for IF frequency) and grab all IF power in bandwidth range, bigger bandwidth, less measure, but also

One more question, is there any post that describes what the bandwidth setting does?

Someone had asked about using the NanoVNA for duplexer tuning. There is an excellent video on that by David Houser KG5RDF here: https://www.youtube.com/watch?v=y7PEDRN1PpY Sorry but I could not find

Please read post, all this new features about SD card in it /g/nanovna-users/message/14447

Do you mean the "bandwidth" settings Igor ? If so, that is not the scan frequency, that is the baseband bandwidth, which can be set to 10Hz to 4000Hz .. NOT MHz The baseband bandwidth is the bandwidth

Thank you DiSlord, you are the best. You have really done impressive upgrades! I'm new to this firmware so got questions :-) Appart from saving the params to card, is there a feature to take

better reset config, 'clearconfig 1234' And made touch calibration if need, after save config (config->save)

Thanks DiSlord, I see how to change the date/time in the post you mention. Is it required to perform any other type of manual command and initialization from the console prior to use the newly flashed

Add anothes screenshot 30dB up to 2.7GHz I think it very good perfomance for H4 PS i not good in hardware, but possible need change filter to AIC ADC for get better results

While test 192k ADC i found interesting thing Can you check work your H4 up to 2.7 GHz in different modes vs this firmware? PS i see good results up to 2GHz, but and to 2.7GHz results not bad. see

read this post /g/nanovna-users/message/14447

Hi, Got a H4. Managed to get and solder the proper SD card part based on DiSlord's hint on what to buy. Also soldered the required 32.768KHz osc. My previous version is the latest release from Hugen's

ok, I can set for example 1500MHz or 2000MHz but it disconnects the H4 from serial, it also offers to save the .bmp file when clicking on Scan.