Mediabase

From Yenra

In addition to providing vital airplay information to the music industry, Mediabase 24/7, a division of Premiere Radio Networks, provides research to nearly 1,700 affiliate radio stations in the U.S. and Canada on a barter subscription basis. Mediabase 24/7 monitors more than 1,750 radio stations in 175 U.S. and Canadian markets.

Website: http://www.mediabase.com/