Here is the updated and revised manual explaining the obligations of broadcasters.
The FCC has also created “information specialists” who are available to help members of the public understand broadcast license renewal. Here’s the contact info if there is something you would like to understand (or make understood).
Radio department: Toll-free (866)-9267-7202 TTY (877)-479-1433 FAX (202) 418-1411 radioinfo@fcc.gov.
TV department (866)-918-5777 TTY (866)-787-6222 FAX (202)-418-2827 tvinfo@fcc.gov