 The NBC operates one 24-hour radio station in English ("NBC National Radio", renamed "National FM" in 2017) and nine so-called Language Services that broadcast between 10 and 15 hours per day in Oshiwambo (Ovambo and Kwanyama; established 1969), Damara/Nama (1969), Otjiherero (1969), Rukavango (1975), Afrikaans (1979 "Afrikaanse Radio Diens", renamed "Hartklop FM" in 2017), German (1979 "Deutsches Hörfunkprogramm", renamed "Funkhaus Namibia" in 2017), Setswana (1981/98), Silozi (1986) and San (ǃHa Radio, 2003).The majority of radio stations are broadcast from radio studios in Pettenkofer Street, Windhoek, but many Oshiwambo programmes emanate from the studios in Oshakati, the Rukavango service is broadcast from the studios in Rundu, the SiLozi service from Katima Mulilo and ǃHa Radio from Tsumkwe, although these are now available nationwide via digital terrestrial television.NBC continued the television service of the SWABC introduced in 1981.