Chris, I don't think you're right about whether SCTA/BNI could have asked us to not broadcast their radio transmissions and expect us to comply because of the rule of law. CB radio is not private nor owned. Once it's been broadcast -- it's in the public domain and can be listened to by anyone -- and used, as he might, by anyone. Ditto things broadcast on a broadcast station that operates on an unlicensed radio station. I will admit that I don't know for sure if the AM and FM stations the SCTA has used are licensed, but I've never heard anything remotely like either an announcement of the station license information or even call letters -- so I've been under the impression that the transmissions are not licensed.
Now -- the FM two-way radios. Are they licensed? I don't know. I'm not privy to any license documents that the group might have. If, indeed, there are licenses, then what is being transmitted on the two way radios is "private", whether or not that restriction is announced. However, for the sake of this discussion, I didn't intend on nor ever try to broadcast/stream the FM transmissions.
Ergo -- no, I don't think they own the rights to what's broadcast at the salt. I will be glad to be shown that I am wrong. But - I don't think I am wrong.