NanoVNA in the Real World. I have had a response from Bob W5UQ regarding setting up a specific configuration and calibrating the unit.
I find the procedures tedious and confusing and YouTube is not the world's best teacher. I like documents and pages to turn... Attached please find a rough draft of setting up the NanoVNA for scanning a 2 Meter antenna. I welcome any response or corrections! 73 Dan KJ5IZK Using-NanoVNA-for-SWR-Measurement-Rev1.docx.pdf <https://drive.google.com/file/d/1yqydW36w6RbLXRtMMoYQTWNvoH8fy0dD/view?usp=drive_web> On Fri, Sep 12, 2025 at 10:37 PM Daniel Poirot <[email protected]> wrote: > More on the saga of the NanoVNA... > > There are two major STM35 designs - the 2.8" and 4". There seem to be > several revisions - MS, SI, and ZK - which seem to indicate which clock > chip is used. There are also many less-well supported clones on the market > > There are two primary firmware sources - DiSlord and hugen79. This leads > to a very large number of firmware files! > > I have the 2.8" NanoVNA-H-MS 3.6 version. This appears to be a 'hugen' > product. > > I tried the 5/26/2025 binary and had lots of trouble. I backdated to the > 2/20/2025 binary and now get expected behaviour. > > Crazy... > 73 > Dan KJ5IZK > > > On Thu, Sep 11, 2025 at 8:42 PM Daniel Poirot <[email protected]> wrote: > >> Howdy y’all, >> >> I am having fun with my NanoVNA-H, but I may have it fouled up… >> >> I have flashed a few different versions of the two main forks to see how >> they work. The latest seems to be flakey for me. >> >> I am going back to earlier releases and try to do a better job of keeping >> notes! :-) >> >> 73 >> Dan KJ5IZK >> >>
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