Nanovna or antenna analyzer?
40 повідомлення
#buying
#newbie
It has long been established that R&L electronics is one of the most reputable sources of the NanoVNA, if not THE most reputable source. This link brings up a search on all the variants of the NanoVNA
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Richard Spohn
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Seriously struggling to get NanoVNA-H working on Windows 11
2 повідомлення
#firmware
#general
#nanovna-h
#newbie
#usb
I am also using windows 11. First I would remove the driver you installed as I have a feeling that is causing your problems. For the record, I didn't even bother installing a driver and on my system i
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M0CNL
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Help me ubuntu 20.04 lts
16 повідомлення
#nanovna-saver
#newbie
More info: I had tried the 2 apps (nanovna-app and nanovna-saver) on Ubuntu 20.04 64 bit laptop, and neither ran. I then downloaded VNA_View-x86_64.AppImage, right clicked it, and ran it. I got the pr
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Julie Spehar
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Static Energy and Is This the Correct Group?
6 повідомлення
#newbie
#beginners1
#general_vna
Thanks for all the great advise. I really appreciate it. I'm still in the process of ordering everthing I need to install my antenna. It involves drilling holes in exterior wall, installing interior a
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Peter N0PGM #3460
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Choosing a model for use in GPR
#newbie
Hi all, Newbie to the world of RF here. I'm an archaeologist, looking into potential solutions for building a DIY ground penetrating radar system. From what I have gathered, a VNA can be deployed as a
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coalarchy@...
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Can I use NanoVNA and RF wideband amplifier together?
9 повідомлення
#newbie
#applications
#improvement
There are NanoVna V2s for higher frequencies.
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Leif M
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"Bricked" after attempt to update FW
19 повідомлення
#nanovna-v2
#firmware
#crash
#newbie
#flashing
You most likely had a weird chip and firmware combo too. Take it as a learning experience. - know your hardware - make backups of firmware (ideally 2x & crc) - check if updates are compatible with you
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John Simons
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Can it be saved?
4 повідомлення
#newbie
After some struggle, I did get the drivers to show up. Then I used nanoVNA APP to install the firmware and the nanoVNA is now working again. Thanks to those who replied.
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Rik Rasmussen WA4BAN
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NanoVNA Saver on Raspberry Pi, window scaling?
#newbie
#nanovna-saver
I have a NanoVNA-H v4.2, connected to a Raspberry Pi 4 (Buster). NanoVNA-saver was installed according to the instructions at https://photobyte.org/nanovna-saver-on-the-raspberry-pi/. When I run it, t
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Eric Hansen, KB1VUN
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#adapters #calibration #newbie #solt
3 повідомлення
#solt
#adapters
#calibration
#newbie
Hi Gyula ... Tryied to visit your web page .. but the language doesn't switch to english and remain in Hungarian all the times .... Peter...
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Peter
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settings at start up
9 повідомлення
#charts
#newbie
Maybe, as the primary beneficiary, compile and edit everything into a succinct but complete, How To, and offer it to Don. He can create uniform Titles, and make it into a useful How-To ___ File for ot
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Focus on the Fundamentals. #newbie #tutorials #learning #general vna
2 повідомлення
#faq
#applications
#newbie
#tutorials
#learning
I think these RF test boards help, trains you on results, if you have set the vnanano up and calibrated correctly, getting the prescribed results gives us ou some confidence in the nano.
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...
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#coils #nanovna-saver #newbie #nanovna-f
3 повідомлення
#nanovna-saver
#newbie
#nanovna-f
#coils
Great, that is helpful. Now what we are seeing is that it is averaging the values rather than tracking and recording distinct values on the trace that we have selected on the nanoVNA. Ideally we would
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...
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DfuSe Demo: Upload vs Upgrade Confusion
10 повідомлення
#newbie
#flashing
#programming
No problem - I tend to 'speed read' and miss stuff too ;-) There are two UI versions of the modified exe - one is normal size and one is about twice as large. I found the large UI one by accident when
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Larry Rothman
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Nanovna V2 reset
3 повідомлення
#newbie
Yes there is. Connect via serial, perform command: clearconfig 1234 Same as "factory defaults", you will loose all saved data including calibrations... Cheers! LL *73 de Luís, CT2FZI* *QRV @ 145.300 M
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CT2FZI
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Using a nanoVNA to test a transmitter
21 повідомлення
#newbie
#general_vna
Even a reasonably good 10 dB attenuator makes a good dummy load as the return loss is 20 dB - two passes through the -10 dB circuit. And 20 dB RT amounts to an SWR of 1.02 : 1. So, you not only have a
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W0LEV
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Finally getting into my Gecko, only two traces
4 повідомлення
#newbie
Use menu to go to DISPLAY then TRACES then select the other two which are off.
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Ray Denton
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A guide for absolute beginners
18 повідомлення
#docs
#learning
#nanovna-h
#newbie
#tutorials
Upgraded and expanded version of the "Absolute beginner's guide to NanoVNA" v1.5 has been added to file section of this group. A detailed chapter "The firmware upgrade" has been added. As always I am
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9A2JK
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Advice for a VNA Noob
20 повідомлення
#newbie
I've had the "H" version with the 4" screen for a few months now. I was building a 2m beam at the time and didn't want to fork out the money for the MFJ unit. It worked totally as hoped. I was able to
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NanoVNA presentation
7 повідомлення
#general_vna
#learning
#newbie
#training
#tutorials
Return loss has nothing to do with antenna radiation or efficiency. It is a measure of the impedance match between a source and a load. An antenna with high ground losses could look wonderful from a r
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Hasan Schiers N0AN
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