Tag: Portable People Meter, Radio Station, advertisers, arbitron

Tampa-St. Petersburg-Clearwater, St. Louis, Denver-Boulder, Baltimore and Pittsburgh bring total of electronically measured radio markets to twenty-fiveArbitron Inc. announced today that it has commercialized its Portable People Meter™ (PPM™) radio ratings service in five new local markets.Arbitron has released radio audience estimates for the September 2009 PPM survey month (August 20-September 16) to its subscribers…