Just getting a start in the radio business and looking to move up? (You have our sympathies!) Here's something I haven't really seen before. Vista Radio has a section on its website where anyone who's either a jock or doing news can upload their aircheck and get feedback from the company. 

No idea how long it takes to get back to an entrant or whether this is just fishing for future talent, but if you're in a small market and looking to move up, what have you got to lose? Here's the URL.