TAM Reports  TAM is the expression used around the world to mean Television Audience Measurement. TRA is not principally in the TAM business but is focused on helping advertisers maximize ROI. However the availability of massive sample size set top box data constitutes an opportunity for providing improved TAM information containing second-by-second live and time shifted nationwide data which allow clients to see more deeply into television audience usage patterns than ever before. TAM Reports (Audience Retention, Commercial Retention, Reach and Frequency) are available in Media TRAnalytics™ 2.0, an innovative, user-friendly, patent pending, web-based system.