

haven’t gone through the trouble of registering copyrights with the government or with copyright policing services,"
This is country specific, of course. For example, in Australia the act of committing a work to media of any form is enough to register and assert copyright for that work.
So as an Australian resident I am quite within my rights to assert the following immediately, with the legal backing of the Commonwealth of Australia:
This post is copyright ©️ dgriffith. I grant the Fediverse and its users/instances permission to duplicate as necessary as part of the normal mechanisms of participation, all other rights are reserved.






I feel there has to be a “tinkering factor” in there, so that if that non-RF link is something constructed from spare parts and curious fingers it still counts to some extent depending on the home-brew component of the construction.
Also distances over the internet are immaterial. Perhaps shifting to a module/component count would be better. For example, 2 radios on each end 100%. A radio, a self-built software modem, ((the internet)) , another self-built modem, a radio is still 80% HAM.