Australian television ratings are collected by three main organisations:

• OzTAM for metropolitan areas
• Regional TAM for regional areas seviced by 3 commercial networks
• Nielsen Media Research Australia for regional areas serviced by 2 commercial networks

Ratings are collected over 40 weeks of the year, with a 2 week break over Easter and 10 weeks over summer. OzTAM is an Australian television ratings research firm that collects and markets television viewership data. ... Nielsen Media Research (NMR) is a U.S. firm, headquartered in New York City, and operating primarily from Oldsmar, FL, which measures media audiences, including television, radio and newspapers. ... Easter is the most important religious holiday of the Christian liturgical year, observed in March, April, or May to celebrate the resurrection of Jesus, which Christians believe occurred after his death by crucifixion in AD 30-33 (see Good Friday). ... Summer is a season, defined by convention in meteorology as the whole months of June, July, and August, in the Northern hemisphere, and the whole months of December, January, and February, in the Southern hemisphere. ...

This is a list of Australian television ratings for Headland. ...

See also

• Australian television

Australian television Black and white television began in Australia in 1955, with colour television being introduced generally to the country in 1975, in time for the Summer Olympics in Montreal, Canada. ...