RadioMedia Rating Council accredits four Arbitron PPM marketsDigital and Radio FactsFebruary 6, 2013April 9, 2026 by Digital and Radio FactsApril 9, 2026April 9, 202600 Media Rating Council grants accreditation to four additional Arbitron Portable People Meter markets including Chicago and San Francisco. 18 PPM markets now display MRC accreditation.... Read more
