Arbitron Inc. said that Clear Channel Radio has signed a multi-year agreement for the Arbitron Portable People Meter radio ratings service in Philadelphia.
Clear Channel Radio has also agreed to encode its radio stations in Philadelphia with the start of the March PPM survey period (Mar. 8–Apr. 4).
Six Clear Channel stations are covered by the agreement: WDAS(AM), WDAS(FM), WIOQ(FM), WISX(FM), WUBA(FM) and WUSL(FM.)