Parsimmon,
Have you seen the
Radio Airplay Tracker.
I'm updating it at least daily with all stations that we hear about playing Elliott's music. The sources are mostly the Yes.com site and the Mediabase charts but also the occasional info from listeners who post on this site (and hopefully on that thread).
You can find the formats listed in parenthesis. UAC (Urban AC), Urban and CHR-R (Rhythmic Contemp Hits) all play different kinds of R&B. There are not alot of them yet playing WFY but an increasing amount.