The survey for the PPM radio ratings that will be used as currency in the Philadelphia market begins today.
According to Arbitron, 51 stations are prepared to be measured electronically, representing 98.95 percent of the share of listening among radio stations in the market.
That number of stations encoding will continue to increase, as additional stations in the Philadelphia market have requested and are currently installing PPM encoding equipment.
Arbitron has installed a representative panel of more than 2,040 persons age 6 and above. Approximately 8 percent of the panel was recruited from cell-phone-only households. [ MORE ]
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