How to measure SWR and Resistance of antennas with a NanoVNA

Published at : 18 Dec 2025

This video shows step by step instructions of how to check the SWR and resistance of antennas using a NanoVNA.
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Thanks for watching and 73's.
Jerry
KM4ZKB

As an Amazon Influencer, I earn from qualifying purchases. Some links are affiliate—meaning I may get a small commission if you buy (at no extra cost to you). All opinions are my own; I only recommend what I'd use myself. Thanks for supporting @BudgetHamRadio!

👉 **Amazon link to NanoVNA H4** - https://amzn.to/4iypVMl

*Link to Poor Man's POTA PERformer v.3 antenna wire lengths*
https://drive.google.com/file/d/1s49tTAAhWv7t9O7iSi4vJsp320DCjv0B/view?usp=sharing

👉 For my other how to videos featuring baluns, ununs, chokes, or filters - https://www.youtube.com/playlist?list=PLVGuFAwp8kOWsi1w5k5xniGaTXuA_fl6N

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👉 For my other videos on how to use the NanoVNA - https://www.youtube.com/playlist?list=PLVGuFAwp8kOWiuZ0zH4BMaP0w7tMB31Tz

*Chapters*

00:00 Intro
01:05 Initial Menu & Configuration Settings
03:48 Calibration Points
05:27 First Calibration Example 40-10M
07:49 More Sweep Points, Higher Resolution
09:26 Calibration for 40M
12:35 Antenna Test and explanation
15:01 Calibration for 20M
18:14 Summary
18:43 Outro

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#NanoVNA #hf #hamradio #antenna #antennas #swr