Lesson 20 --- Resolving the Phase Ambiguity and Differential Encoding <iframe width="560" height="315" src="https://www.youtube.com/embed/8uWNQCWeU0I" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> All GNURadio flowgraphs are at https://github.com/gallicchio/learnSDR