Determines the types of television audience measurement (TAM TV ratings) panel homes needed to reflect the overall Australian population and conducted via 65,000+ random mobile phone interviews annually. Questions include the number of working TVs in the home, presence of subscription TV services, who does the grocery shopping etc, in addition to age, gender, occupation category and household income. Every home in OzTAM, Regional TAM and Rest of Australia coverage areas has an equal chance of being contacted to participate in the national Establishment Survey.