Nielsen Releases Reissued December 2018 PPMs

Nielsen has re-issued December 2018 PPM data for the following markets.  The re-issues were caused by what Nielsen termed 'data processing issues'. 

On Friday, sources told InsideRadio that 24 hours of listening data went missing across all 48 markets from 7pm Eastern Dec. 3 to 7pm Eastern Dec. 4. By Monday, Nielsen put out a Delivery Update notification to clients explaining what went wrong and the steps taken to remedy the situation. “A server restart caused listening data not to load properly for Monday, December 3 and Tuesday, December 4,” the communique said. “Manual steps were taken to resume processing following the server restart but a step was missed. As a result, the audience estimates for December 3 and 4 were abnormally low or non-existent in some cases. Please note the data for Weeks 1, 2 and 3 were not affected.”

   1  New York

   2  Los Angeles

   3  Chicago

   4  San Francisco

   5  Dallas-Ft. Worth

   6  Houston-Galveston

   7  Washington DC

   8  Atlanta

   9  Philadelphia

  10  Boston
 

  11  Miami-Ft. Lauderdale-Hollywood FL

  12  Seattle-Tacoma

  13  Detroit 

  14  Phoenix

  15  Minneapolis-St. Paul

  16  San Diego

  18  Tampa-St. Petersburg-Clearwater

  19  Denver-Boulder

  20  Nassau-Suffolk (Long Island NY)

  21  Baltimore

  24  St. Louis

  25  Riverside-San Bernardino CA

  37  San Jose CA

  42  Middlesex-Somerset-Union NJ

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