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I'm hoping to have access to a more expensive VNA later this week for comparisons but for now, the nanoVNA-H looks very promising in terms of accuracy near the top of its frequency range:

Not sure why it's not click-able...probably needs the http:// prefix. -- John AE5X https://ae5x.blogspot.com/

Edy555 also has been experimenting with an IF of 12kHz as this frequency enables a reduction of DSP processing power required. Not sure if the experiment came to a conclusion. -- NanoVNA Wiki:

On Mon, Mar 30, 2020 at 08:41 AM, Nbridgema wrote: After installing ttrftech/NanoVNA version 0.7.1, F_min is again 50 KHz and F_ max is 2.7 GHz, although noisy > 1.5 GHz. Confirm?

There are several dozen videos on Larry Benko’s website showing Smith chart basics AND exploring various RF topics. A good start might be https://m.youtube.com/watch?v=79jbor_T9PU When I was first

On Mon, Mar 30, 2020 at 07:39 AM, Jos Stevens wrote: ...works normally under NanoVNASaver. ? ... The extra bandwith settings seem to work when standalone ... I see that the smaller the bandwith, the

Jerry, thanks; it was enough to point out that I really hadn't missed some piece of information. I understand what you pointed out although I hadn't followed it through as thoroughly as you. You were

Well John, I'm sure that you love me but what the heck is up with that link?

After installing ttrftech/NanoVNA version 0.7.1, F_min is again 50 KHz and F_ max is 2.7 GHz, although noisy > 1.5 GHz. Confirm? -- I_B_Nbridgema

I ordered mine from this Amazon vendor: shorturl.at/ahsS7 Order placed on Saturday, Amazon said it would arrive Monday (today) but it was delivered at noon yesterday, 20 hours after placing the order.

That is absolutely not true. The only restriction for Lithium batteries (or any other hazardous materials) is air freight. Nothing to do with a PO Box being the final recipient. The problem is not at

Hi I flashed this firmware into my NanoVNA-H4 and itworks ! .Anyhow it works normally under NanoVNASaver. ? In the menu I see several addon's but these are not (yet ?) supported by NanoVNASaver

you mention the schematic - can it be seen somewhere online? ============================================= Marko, The attached file is the version 2_2 schematic provided by Gabriel. - Herb

Schematics at: https://gitlab.com/bepissneks/S-A-A gEDA format.

Hello Herb, you mention the schematic - can it be seen somewhere online? I will definitely buy this, but I can not do it currently from Tindie, not shipping to Slovenia (in fact, there is a quite long

Compile version for NanoVNA-H4 (0.7.1-20200321 + last improvements) https://drive.google.com/file/d/1it82OaakrHcwHVirw6Ayh3K_cKCSDSxt/view Idon`t have hardware H4 for tests, but must work At whis

Nbridgema wrote: The answer is, you cannot directly read frequency off of the Smith chart. There should be little notes and arrows added as annotation to the chart, telling where the 14.0mhz,

Thanks for trying to help, Tom in AZ, but what good will it do to study hundreds of hours to try to make sense of that one line? That is, I do not see on the chart any markings that allow scaling

On Sun, Mar 29, 2020 at 11:27 AM, CT2FZI wrote: Do you think a specific groups.io group would help? ============================================== Luís, So far only about 150 S-A-A-2 units appear to

There several tutorials in the files section, I've spent may years in electronics and I still need a refresher from time to time. Read the tutorials and it will clarify Tom Sides KI7FTK skype: Thomas