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The first Turkish television channel, ITU TV, was launched in 1952. The first national television is TRT 1 and was launched in 1964. Color television was introduced in 1981. Before 1989 there was the only channel, the state broadcasting company TRT, and it broadcast in several times of the dateline. Turkey's first private television channel Star started it broadcast on 26 May 1989. Until then there was only one television channel controlled by the state, but with the wave of liberalization, privately owned broadcasting began. Turkey's television market is defined by a handful of big channels, led by Kanal D, ATV and Show, with 14%, 10% and 9.6% market share, respectively. The most important reception platforms are terrestrial and satellite, with almost 50% of homes using satellite (of these 15% were pay services) at the end of 2009. Three services dominate the multi-channel market: the satellite platforms Digitürk and D-Smart and the cable TV service Türksat.