This is beyond fascinating. I've been dreaming about this kind of thing, but I didn't know people were making it real. I was just pointed to this article from @jgoerzen today:
"Long-Range Radios: A Perfect Match for Unix Protocols From The 70s"
I miss UUCP. I'm just old enough to have actually gotten my email over UUCP.
Here's the article, and there are a couple more links from the article and comments:
https://github.com/jgoerzen/lorapipe
https://spectrum.ieee.org/build-a-longdistance-data-network-using-ham-radio