David Casler (KE0OG) - Ham Radio Answers, Youtube Channel
https://www.youtube.com/c/DavidCasler
David Grigg (KB5MIQ) - Youtube Channel
https://www.youtube.com/channel/UCecTLu32T4nEPbf35X70jeA
HamRadioConcepts Youtube Channel
https://www.youtube.com/c/HamRadioConcepts
Ham Radio Crash Course Youtube Channel
https://www.youtube.com/c/HamRadioCrashCourse
Ham Radio 2.0 Youtube Channel
https://www.youtube.com/c/HamRadio20
DX Commander Youtube Channel
https://www.youtube.com/channel/UC6wLPPAzu7iPDMaUeHoVvJw
A Brief History of Radio Broadcasting (Not a Video, but A Good Read!)
https://wyomingllcattorney.com/Blog/Business-Studies-Broadcasting-History