Here is a YouTube video about Bob McGwier N4HY Machine Learning and Ham Radio ID of HF VHF Signals, and is part of a growing collection of videos I have found to be useful. The reason is how smarter SDRs are using machine learning to parse and identify radio signals and understanding science related to software defined radio.

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This tutorial, "Bob McGwier N4HY Machine Learning and Ham Radio ID of HF VHF Signals" is free education you can watch, which will help you deepen your knowledge and be better prepared for licence exams, schoolwork, or operating radio equipment.

Radio Science Tutorial: Bob McGwier N4HY Machine Learning And Ham Radio ID Of HF VHF Signals