My introduction and demo of the Red Pitaya Vector Network Analyzer. I bought it to test my end fed antenna. It was easy to setup and I was happy with the results. I hope to do another video showing how I used it to improve my antenna.
My blog post: https://m0jpi.github.io/red-pitaya-projects/blog/red%20pitaya/youtube/antenna%20performance/Vector-Network-Analyzer/