There's a few... most are not nearly as good as what the good sounding stations use, and one is quite a lot better... for an absurdly low price, but I don't feel right about "spamming" what it is here, since I'm involved. PM me if you want the url.
Btw, it's not a plugin but standalone, and for Windows. You won't find anything for Linux or OSX that will do what you're looking for, that I've ever heard of, and I"m pretty well into that kind of stuff.
That aside... I should note that every radio station is processing differently. Many are in a pretty well narrow range, but some of them are quite a ways off from center. Some in a good way (more micro and macro dynamics), and some in a bad way (complete lack of dynamics, strident bad EQing, uber-clipper-distortion, and much worse.. etc, etc, etc...)