User Guide: The HF Filter Calculator
Oct 22, 2026 · @Bob What this calculator is for This guide walks you through using the calculator available on this page[cite: 1]. If you have a large screen, I invite you to open two windows side by side: one with the guide on one side and the calculator on the other[cite: 1]. In just…
RF HF Filter calculator
Let’s go to desgin RF filters for our HF station. A user guide is available on this page if needed: HF Filter Calculator User Guide. @Bob with Claude AI
Review BALUN HARI 1:4
In this post, I will measure the SWR and insertion loss of this balun manufactured and sold by Wimo: The Hari-Balun 1:4. This article WAS NOT written by AI; only the images were customized. Here are the advertised specifications: Just like in the test of the Diamond BU50A balun, we will place two baluns back-to-back…