Broadcast NewsRadio Newsthe HOT List How is Nielsen Leaving Voltair Behind? By RBR.com - December 8, 2015 2 FacebookTwitterWhatsAppLinkedinEmail The elephant in the room at the recent Nielsen Client Conference was PPM measurement and the $15k box some owners have purchased, believing it may boost their ratings. The word “Voltair” was hardly mentioned from the stage.Please Login to view this content. (Not a member? Join Today!)