开云体育

Why It is very simple. It often happens that the update of an on -board ? software goes wrong and that we can no longer go back. It is traumatic.

Hello Nothing is simple for me. In addition, with age (73), I still understand so quickly but you just have to explain myself longer :). I have to use translate.google.com to write you and chrome to

I'm in the 'upgrade 1st' column. You are probably going to want to learn the upgrade procedure anyway and that's not tied to operating proficiency. In addition to bug fixes, newer FW will better track

A lot of folks, myself included, like to keep firmware current, as there are many improvements and bug fixes in the new releases. There is little that is more frustrating than trying to learn a new

Hello Francois, The complex permeability of a toroid is mu=mu'+j*mu" mu' is the real permeability (will determine the reactance of a coil) and mu" is the imaginary permeability (will determine the

Gerd and others, Use the nano with the firmware that comes with it. It does most of the things a ham needs out of the box. THEN when you are very familiar with it you can update the firmware. Why is

Question 1 ---------- Thank you for your patience. It is now much clearer. Can you tell me the diagram of the device to implement to make this measurement that interests me. Question 2 ---------- Ok.

I thought I answered your question in my earlier post. The author added that graph to NanoVNA Saver at the specific request of a user F4HTQ. It is ONLY useful if you are trying to determine the

Amidon buys many of their ferrite offerings from Fair-Rite. Dave - W?LEV -- Dave - W?LEV

Many thanks Tim!

"What I don't understand is the graph that is identified by S11 R/Ω & X/Ω" This is a plot of the pure resistance and the reactance, both expressed in Ohms. Of course, pure resistance is expressed in

https://github.com/DiSlord/NanoVNA-D/releases -- Sent from my Android device with K-9 Mail. Please excuse my brevity.

Hi TIm, thank's a lot for your response. No, I didn't try the 1.2.00 build. The 1.0.69 was the most recent firmware, I found in the files section of this group. Could you please provide a link, where

I have to wonder why you have loaded such an old version . . . 1.2.00 is the current build. Have you tried that yet?

Thank you Dave - W?lev Everything you explain, I understood and I even established all the equations that pere down to find from S22 each value displayed in the data of the markers. What I don't

Dear Dave, many thanks for perfect explanation ?now it makes perfect sense for me, you explained it very well. I will watch videos you have included. I was more oriented to Amidon materials but

Hi there, I'm new to NanoVNA and I hope, I do not ask stupid questions, please excuse me, if this is the case. I got my NanoVNA H4 last week and played around with it since that time. Today I

Dear OM, I'm interested about various measurements with NanoVNA but now I'm fighting with some fundamental questions not related only to nano VNA. but still unable to find answers, even after reading

To understand what the plots represent, you must understand what the representation of impedance implies. The variables involved are: 1) Pure Resistance represented by "R" 2) Reactance represented by

Dear OM, I'm interested about various measurements with NanoVNA but now I'm fighting with some fundamental questions not related only to nano VNA. but still unable to find answers, even after reading