From the view of NPR, revenue from "station dues and fees", primarily come from charging for access to NPR content, not member donations. It is strictly commerc

From the view of NPR, revenue from "station dues and fees", primarily come from charging for access to NPR content, not member donations. It is strictly commercial activity: NPR is producing content and selling it. I think corporate sponsorships are different (if they were functionally the same as another category, they would have been aggregated there). For one, corporations get advertisement time.