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Is there a manual for the nanovna saver software. I am trying to take a screen view to email to others for opinions Neil G3RIR

I have two short cables with alligator clips that I use for looking at baluns, transformers wound on toroids, tuned circuits and what not. When calibrating should i just tune the the s11 side or

Didn't know that, it's easy uj design a filter from the measured impedance. You need to check the Q or bandwidth and also harmonic suppression.

The first thing to check is if something is amiss in the calibration process you are using. One common mistake is that you need to reset the cal before doing a new one. You can also verify the cal

Sorry - looks like I might have transposed some gammas and rhos. What I ness as by was not reproducible on my non-Greek iPhone: Here’s what I had in mind for Gamma = rho angle theta : Reflection

Regarding an excerpt from your post (perhaps missing a word or two?) “I use toroidal bifilar wound common mode chokes (CMCs) in my antenna feed system. I have a 450 set of wires fed with parallel

I have a VNA SAA-2N. It will not calibrate (it says it does) but with a 50 ohm load the swr is significantly high. (i have tried another set of standards)

And the cool thing is, with the connector saver, the effects of the saver are incorporated in th

I saw that, but didn't realize they were coming in late. I'd get a few, and it just seemed that list traffic was slow.

The result worked out GREAT! I did an experiment with my (adjustable) 80m antenna. The lowest SWR that I was getting was 1.62:1 at resonance (I can adjust the 80m antenna resonant frequency simply by

On 3/5/23 3:23 PM, Roger Need via groups.io wrote: > OneOfEleven developed the NanoVNA App for personal use and after moving on to other projects kindly posted it as open source for the community to

Wouldn't that come out in the calibration aga

Here is a 200 uH homemade plate choke. It was fine fro 160 meter - 40 meter where it was parallel resonate. Higher than that, no way. A significant number of resonate loops. Quite problematic. This

G'day Jim, You are quite right of course. When I wrote the reply to Don I had only just finished reading his referenced Keysight/Agilent/HP document. I meant to put in a comment that the document was

I'm getting emails from last week, just showing up today. How odd. Looking at the headers I got it at 19:31 (EST) today (= 0031Z, 10 March) Received: from noehlo.host ([10.149.109.189]) by

Here is a display for S11 from the vna. Sweep is 1 - 30 MHz, 512 points. A simple SOL cal and then a set of clip leads to the choke. Choke is standing up right on the tube chassis and the rack panel

I see W8JI has a link on his site for testing plate chokes, inductors and traps. Down the page he shows the VNA setup and SOL connections. https://www.w8ji.com/rf_plate_choke.htm Roger

Answer: it depends, but probably not reliably. Some stainless steels are magnetic and some are not; generally for example 300-series stainless steels are non-magnetic while 400-series are. Asking

no .... best is maybe in the nanovna bata tes group (displord modds faster as manufacturer can do a blink) you maybe will get a unit from the stock and so i is more or less sure that fw is old ....

Yea, there is a corrected version. I biffed it on the Smith Chart - BAD ENGINEER!!!! That's what I get for not proof reading..... Dave - W?LEV