A medium wave radio station is operated by All India Radio, with most programs in Tamil, English and Hindi. Five FM radio stations operate from Coimbatore - Rainbow FM from All India Radio, Suryan FM from Sun Network, Radio Mirchi, Radio City, and Hello FM. All these private radio stations air exclusively Tamil based programs, including film music. The range of these stations cover Coimbatore, Tirupur, Erode and Nilgiri districts of Tamil Nadu, and Palakkad and Wayanad districts of Kerala. Television relay started in 1985 from Delhi Doordarshan. In 1986, after inception of a repeater tower at Kodaikanal, telecast from Madras Doordarshan commenced. The people of Coimbatore witnessed the 1980 Olympics and 1983 Cricket World Cup on a giant screen in VOC Park when the city-based UMS developed a dish antenna for satellite signal reception. Currently television reception is through DTH or by cable, while Doordarshan reception is still available using an external antenna. In 2005, Doordarshan opened its studio in Coimbatore.