Nielsen is re-evaluating Los Angeles PPM ratings data due to discovered inconsistencies in May's household ratings. The corporation is conducting an in-depth analysis to ensure...
Nielsen's March 2014 RADAR report shows network radio reached 181 million Americans age 12+, representing 68% of the national population during an average week....
Arbitron announces major policy change for 2014, restricting Total Line Reporting of simulcast stations to paying subscribers only, ending free access for non-subscribing stations....
WDAS-FM Philadelphia experiences significant ratings decline, falling out of top 5 radio stations for first time in station history. Major changes expected....
Arbitron stockholders overwhelmingly approved Nielsen's $48 per share acquisition with 98.99% voting in favor. The deal consolidates major media measurement companies....
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....
Cumulus Media signs multi-year agreement with Arbitron for radio ratings services across all 450 stations in 100 markets, including diary and PPM ratings....
Nielsen Holdings announced a $48 per share acquisition of radio ratings company Arbitron Inc., combining TV and radio measurement capabilities for advertisers....
Jumpwire Media reveals urban radio stations are missing major social media opportunities. New report shows Facebook photos drive ratings and proper YouTube tagging boosts celebrity...
Radio stations must update Total Line Reporting status by November 7, 2012 for Fall Phase 2 Arbitrends report. Stations simulcasting 100% programming are eligible....
The Media Rating Council granted accreditation to five additional Arbitron PPM markets including Los Angeles, Baltimore, and San Antonio for radio ratings data....
California Attorney General Kamala Harris reached a settlement with Arbitron over discriminatory radio ratings methods that undercounted minority audiences....
Arbitron announces new 70-point criterion for metro survey areas, replacing 13-year-old policy. Changes affect radio market definitions starting Fall 2011....
Media Rating Council withdraws accreditation for Arbitron's RADAR and Nationwide radio audience services due to unaccredited PPM market data inclusion....
August 2010 PPM radio ratings for major markets including Baltimore, Tampa, St. Louis, Seattle, San Diego, Pittsburgh, Phoenix, Minneapolis, Miami, Detroit, Denver and Boston....
Arbitron's Portable People Meter achieved record sample sizes in January 2010, with 18-34 demographics surpassing benchmarks and a new high for Black listeners aged 18-34....
Clear Channel Radio Chicago stations show major growth in January 2010 Arbitron ratings. WGCI 107.5 leads with 47% year-over-year increase in key demographics....
Arbitron accelerates cell-phone-only household sampling plans, targeting 15% of diary samples by Spring 2010. The move aims to improve radio ratings accuracy for the 18-34...
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