sBitx Version 5.4 Released: New FM Mode and Major Performance Improvements

sBitx 5.4 is a major release for this open source HF transceiver, adding FM mode, CESSB audio shaping, new display support, and automatic power safeguards. The update also rebuilds core signal processing, adds an SWR sweep tool, and brings HPSDR networking support. Here's a full breakdown of what changed and where to download the new SD card image. <p>The post sBitx Version 5.4 Released: New FM…