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On Thu, Dec 12, 2019 at 12:55 PM, <nanovnauser@...> wrote: ,,, i enter my post code,it just says its in the wrong format,ive tried every which way with no luck,im tearing my hair out,anyone any

Hi David, the NanoVNA-F is designed by a Chinese ham, so what you want to avoid is a clone - not a Chinese one ;-) The original NanoVNA-F is available at http://deepelec.com/ - and only there, as I

My FCU refuses to honor charges on my card to Aliexpress. I no longer tempt ordering from them. Three times. Same results. Likely due to Chinese vender? Dave - W?LEV -- *Dave - W?LEV* *Just Let

After using the original with the 2.8" screen, I'm looking to order the 4.3" unit. As best I can gather, there are three units available all with different external presentations. These are: 1)

ive found a screen the same as hermans 3.2 inch on aliexpress(thanks for the link herman),however it goes ok trying to buy it untill i enter my post code,it just says its in the wrong format,ive tried

Hi, Like others, I am having problems with Python PyQt5 etc. I am trying to get NanoVNA to run with a Raspberry Pi 4 with very little success. Works perfect on the Mac Pro. Do you or others know of a

Garry, Thanks, I may have formulated unclear but what you state is what I meant. Uncertainties in M act as "error bars" making it uncertain where you are in the graph, Uncertainties in the calibration

Erik; My bad...I incorrectly stated that zero reactance is established at all three calibration points. Everything goes to infinity at the right edge of the chart. :-) -- 73 Gary, N3GO

Hello again Erik; I think you may be confusing the uncertainty in M with the uncertainty in the calibration standard. For example; if the calibration standard is 45 ohms (a substantial 10 percent

As QRP RX already wrote, you need to repeat the calibration with the new reduced span to have 101 calibration points in there.

Forgive me to add something trying to create a simple mental picture of what you are saying. As the nanoVNA has a almost perfect bridge below 300MHz (apart from a phase shift due to transmission line

GIN&PEZ; I have only advanced in my understanding to the extent that I have been able to confirm that the results of complex load measurements using the G-mini equations map virtually 1:1 to those

Probably should add Python to the mix as candidate for your own application development.. Matlab is gold standard for college academics but it is more targeted at nuts and bolts simulations. It is

#82' : On The Two-Port Sine Qua Non Practical Application - Source and Load - REF : 11 December 2019 - /g/nanovna-users/message/8136 Hello, Allow us, please, to announce that we just

Which had portions derived from a Project STM32-SDR which was developed by Charlee Hill W5BAA, John Fisher K5JHF, Milt Cram W8NUE and Dave Miller VE7PKE/VE7HR. The software was released as open

I think the Texas hams Larry is referring to are Milt Cram (W8NUE) and Kees Talen (K5BCQ) who once offered the AQRP Vector Impedance Analyzer kit. The last time I looked that kit was no longer

Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the [email protected] group. * /NanoVNA_Console_Commands_Dec 9-19.pdf

Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the [email protected] group. *

Gary, Indeed, the model is precise, and its uncertainty is only based on uncertainty in the measurement of the 3 calibration standards and (this is not stated in their formula's but I assume the

Hello again Erik; I think you are close but not quite precise in your understanding. Or possibly I’m not yet precise in my own. :-) All uncertainties are embedded in the model as they are uncertain