A YouTube Channel that I watch has started an emergency preparedness network called the GhostNet. It uses JS8Net as a main communication channel for world wide data relay of short messages. I have linked the GitHub repository here. https://github.com/chuckularone/Ghostnet
You can easily set up a receiving (or if you have an amateur radio license trancieveing) station by following his simple instructional video. https://odysee.com/@S2Underground:7/introducing-ghostnet:0