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If you have access to a 3-D printer, there are a ton of designs for NanoVNA cases, holders, connection extensions, etc. Here is but one: https://www.thingiverse.com/thing:4100713 Many public libraries

Yes, I spaced the Rogers products. Thank you for mentioning the Rogers 4350 substrate. FR-4 is available everywhere and is relatively inexpensive. What's more and being critical, both the dielectric

Hi Dave Very very difficult to get Duroid processed these days.I don't know of any US shops that will touch that stuff any more.(Rumors of one in California with a Plasma etcher) If you want plated

I was also going to suggest you actually measure the εr of the PCB you actually used at the frequency you intend to use it. The εr of FR-4 board falls between an upper an lower limit, but it is not

You may have forgotten that you can put an extension cord of the length you want between the nanaoVNA box and the location where you are going to do the calibration. Even the imperfections of the

Hi Zack?The big inventory is Arlon 25N which is also space qualified!Currently have 6 antenna assemblies in orbit and working on 3 more!I do a lot of antennas were the Er of the PCB material is not

Kent Britain WA5VJB may chime in, but he found the variation in dielectric constant for various samples of G10/FR4 so large that he bought a large stock of board with the same dielectric constant and

I recently purchased a NanoVNA (with a 2.8 inch screen). I was wondering if anyone has designed/printed a stand for the NanoVNA??? I'm looking for something that I can put the end of it into (so that

EZNEC as a Method of Moments code that is derived from NEC is really a "wire" modeling code and doesn't do patches very well. One can "grid" a patch, and put it over ground with soil properties set to

Hi Brian, Thanks for your reply, attached is my code. I put the dielectric at 4.8 it's FR4. I started with 4.29, my PCB was made by PCBway company. I remark that when I increase permittivity the

Yes, and I have known Roy for nearly 30 years, but EZNEC does not do PCB antennas.? ? ?When you download his Pro version, be sure to get the manual as well.? He has RETIRED!? ?Kent

What Er did you use for the PCB Material?Unless it is very expensive material where the plot the Er by frequency, you really don't know the Er. It is industry standard to measure the Er at 1

Next try on https://en.wikipedia.org/wiki/Network_analyzer_(electrical) - this time with focus on use in university education - ref is a paper of ASEE (American Society of Engineer Education).

EZNEC is now free.

Can you upload the file and I'll have a look The dielectric constant you chose might d

Hello everyone, I used OpenEMS software for my simulation and I got simulation results that are very different from my experimental result, I have a PCB antenna whose resonant frequency is around

I moved from Windows XP Pro 32 bit to Windows 10 64 bit, starting october last year. It was definitely not a painless transition. I installed W10 on a new computer, and had to run with both in

Hi Roger, Mine is marked HW version 4.3 MS on the back. I used NanoVNA-H4-MS_20220831.dfu from Hugen's github page. Thought that was the version that was on it when I got it since the description on

Please PM me. HOGALLEN aka Gary A. Smith 2150 East 575 North St. George Utah 84790 435 272-7077

HOGALLEN aka Gary A. Smith 2150 East 575 North St. George Utah 84790 435 272-7077