Comment by goda90

So encryption isn't allowed, but is there any way to authenticate information sent over packet radio? Open communication has plenty of uses, but some of those can be spoiled by bad actors impersonating others.

Edit: I found this article on authentication that supposedly is fine, but I'm not licensed so I don't know how valid it is. https://rietta.com/blog/2009/08/17/authentication-without-en...