S2 Underground: Shortwave – The Warlord’s Radio

In the following video, S2 Underground talks about shortwave/HF radio and how to use it during emergencies, disasters, and other scenarios. In the US, authorization to transmit on HF comes mostly with the General level amateur radio license, though there are some limited allocations for the Technician class to use CW/morse code. If you’re already involved with an emergency radio group like AmRRON, then you may already be familiar with a lot of the topics he discusses, but if you haven’t been involved with communications at all, then this may give you a good overview.

00:00 – Introduction

04:10 – The Emergency Itself

08:10 – The Nature of the Communication

10:26 – MARS Mod

14:24 – Mobility and Fitness

18:40 – Data Modes – RTTY

23:26 – Sending Images

28:37 – JS8Call

31:56 – Winlink

35:41 – Comm Scheduling

41:42 – Encryption

42:58 – Thinking Big

47:15 – Closing Thoughts

See also S2 Underground’s follow up video on HF radio: