Here is a YouTube video about Testing the Softrock Ensemble RXTX, and is part of a growing collection of videos I have found to be useful. The reason is the Softrock Ensemble SDR transceiver running on a modern computer - how the radio performs in real life and understanding science related to software defined radio.
This tutorial, "Testing the Softrock Ensemble RXTX" 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.