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Arbitron Releases PPM Ratings for Philadelphia
New York - Mar 1, 2007- Arbitron has released the first pre-currency monthly audience estimates for Philadelphia produced by the Portable People Meter (PPM) ratings service. The PPM ratings released this week are for the monthly survey of Jan. 11 through Feb. 7. This survey is based on an installed panel of 2,139 persons aged six and above against a target panel of 2,040.
PPM clients have been accessing the data electronically by PPM Ebook or receiving summary-level data from more than a dozen licensed third-party software providers. This is the first release of two monthly pre-currency estimates that Arbitron is providing to allow subscribing stations and agencies the time to understand the differences between PPM-based and diary-based ratings, and to provide ample time for radio stations and agencies to train their sales and buying staffs on how to do business in an electronically measured marketplace.
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