For downloading, he should pay as much as a radio listener pays: nothing.
For distributing, he should pay the same fees that radio stations pay.
For distributing, he should pay the same fees that radio stations pay.
In other words, they should pay him!, preferably through a shell corporation.
I work at a small college radio station (http://kmnr.org) we have been working with SoundExchange to get licensing for internet broadcast in addition to our radio broadcast.