In a 100 page decision, the Board essentially adopted the royalty rate advanced by SoundExchange (the collective that receives the royalties and distributes the money to copyright holders and performers) in the litigation. It denied all proposals for a percentage of revenue royalty (including a proposal that SoundExchange itself advanced)emphasis mine
A bit later in the same article, it's noted that there's a minimum $500 fee per channel, but that the exact definition of a channel is not provided. With that (lack of) information, I can see why Pandora founder Tim Westergren sent out an email to Pandora users asking them to call their respective congressperson to "save internet radio." Say, for instance, that every person is allocated one "channel" on Pandora (it could be worse, each station a person has, I have five, could be listed as a channel), therefore, each person who has a Pandora account is costing Pandora $500 per year, even if only one song is listened to.
This isn't just a problem for Pandora, Last.fm and the like, it's a problem for any person with an idea for how to make more music more accessible to more people. It raises the barrier of entry for anyone who would like to try
Business ultimately serve us. Our Government serves us. Remind them.