Great playlist to learn how to pass the ham radio exam in the United States.

Dave Casler is literally an OG of ham radio and ham radio instruction on YouTube. He is such an OG his call sign is even KE0OG which pre-dates people referring to things as OG.

https://youtube.com/playlist?list=PLuapIzKwhZN_30dcgsDbGU3J7C8BAYJcG