Below is a list of YouTube channels and Most Popular video for each from a list started by Kim @_M0JJF on this Tweet.

• Radio Society of Great Britain
  • Amateur radio - a 21st Century hobby
• Online Amateur Radio Community OARC
  • FT8 on Raspberry Pi & Cloudlog
• ARRL American Radio Relay League
  • Yaesu FT-450D Walkthrough
• TX Factor
  • TX Factor - Episode 1 (TXF001)
• ICQ Amateur / Ham Radio Podcast
  • Yaesu FT DX 101D Release Model Hands-On Review, Price and Introduction
• AmateurLogic.TV
  • In-depth with Icom's IC-7300 Transceiver
• Ham Radio Crash Course
  • HAM Radio Crash Course - Baofeng UV5R Family Radio Programming and Settings Part 1
• Essex Ham - UK Amateur Radio
  • Getting Started: Welcome To Amateur Radio (Old)

• Tim G5TM
  • HAM RADIO: Your First HF Antenna
• Carl M0SZT
  • Outdoor review of the Yaesu FT-3DR handheld radio
• The Radio Rover Fraser MM0EFI
  • How to easily run Ft-8 on a SOTA Summit and bring in the DX! Benaquhallie, Aberdeendhire.
• MM0OPX Colin @MM0OPX
  • adjustiwave Antenna MK2 - 80m through 2m - MM0OPX
• OH8STN Ham Julian OH8STN
  • Alpha Antenna EZ Military Multiband vs Chameleon MPAS Ham Radio Antenna Shootout
• Mike-M0MSN
  • HAM RADIO: Building a magnetic loop antenna Part 1
• ianxfs Ian
  • Diamond X300 Antenna - Build & Installation
• Digital Analogue Ham Chris 2E0UKH
  • Baofeng T1 demo and programming
• Radio Prepper Gil
  • How to Extend The Range of Walkie-Talkie Portable Handheld Radios.
• Radio Antics Hamzah 2E0HXS
  • DMR and Fusion Radio for FREE on a Windows PC - DudeStar
• Tech Minds
  • 5 Cool Things You Can Do With An RTL SDR Receiver
• Ringway Manchester Lewis M3HHY
  • Baofeng BF-X3 Plus - Tri-Bander To Listen To Illegal Satellite Hijackers
• Robbie Ei2iP
  • International Space Station, ISS Repeater Ei2iP in conversation with HB9TRT, Operator Reto.
  • DARCHAMRADIO
  • M0SZT
  • The Ham Radio Junkie

• Kevin Loughin KB9RLW
  • Ham Radio - The simple coax cable emergency prepper antenna.
• Jim W6LG
  • Ham Radio Basics--How to Call CQ--
• Dalvid Casler - KE0OG
  • Why is Coax 50 Ohms? (#340)
• Space Comms John KG4AKV
  • My First Perfect ISS SSTV Image!
• kx9x Sean Kutzko KX9X
  • Portable Ham Radio - The US Islands Program (Pigeon Key, Florida) by KX9X (2nd most popular video as 1st was not Radio related)
• KM4ACK Jason KM4ACK
  • Raspberry Pi Build for Ham Radio Part 1 Step by Step
• Frugal Radio
  • 2020 SDR Guide Ep 1 : The Incredible World of Software Defined Radio (RTL-SDR, Airspy, SDRPlay etc.)
• K8MRD RADIO STUFF Mike K8MRD
  • Xiegu G90 in depth review.
• Ham Radio 2.0 Jason KC5HWB
  • Best Handheld Ham Radio 2020 | New Ham Radio Operators - WATCH THIS!
• Ham Radio Concepts
  • Everything About CB Radio, A Complete Guide to CB Radio Service (2nd most popular video as 1st was not Radio related)
• Matt K0LWC
  • CB Radio is Going FM! Why is the FCC Doing It?
• HAM RADIO DUDE
• K6UD
• Tom the Dilettante
• Mike Ritz
• Zoe Wilson
• Ham Radio DX
• KB9VBR
• TheSmokinApe

• Amateur Radio VK3YE Peter VK3YE
  • 100 watt 7 MHz magnetic loop for units and apartments

• ABHRAJIT DAS

• DX Commander Callum M0MCX
  • How to setup a Behringer UltraDrive DCX2496 fast
• DX Engineering
  • The New ICOM IC-7610 in operation
• Waters and Stanton
  • Spy Radio & Indoor Antennas - If they can do it, so can you!
• ML&S
  • Steve Venner Demonstrates the Icom IC-7100 at ML&S

• EEVlog
  • EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?
• bigclivedotcom
  • A simple guide to electronic components.

Amateur / Ham Radio mentioned on non Radio channel

• Must Have Tech when the Grid is Down! - DropForgedSurvival
• Amateur Radio (Ham Radio) as Fast As Possible - Techquickie
• World Amateur Radio day - ITU
• BBC HAM RADIO - Diodematrix1
• Falklands Ham Radio FITV

• US Signal Corps Not sure they have own channel

If here to add more, please post below at least the Channel name or Link

US Signal corp: comment referred to finding archive content. I did have a look for a channel but didn't find one.

RF Man: https://www.youtube.com/channel/UC7r5QeuynhXudskQDl7J45w W2AEW: https://www.youtube.com/user/w2aew Electronic Notes: https://www.youtube.com/c/ElectronicsNotes