Czech Television and Czech Radio are national public broadcasting companies in the Czech Republic. Czech Television broadcasts from three studios in Prague, Brno and Ostrava and operates six TV channels ČT1, ČT2, ČT24, ČTSport, ČT :D and ČT Art. Czech television is funded through a monthly fee of 135 CZK which every household that owns a TV or a radio has to pay. Since October 2011 advertising on Czech TV was restricted from four to two channels, namely ČT2 and ČTSport. Czech Radio broadcasts four nationwide stations Radiožurnál, Dvojka, Vltava and Plus, several regional and specialised digital stations. Czech Radio 7 – Radio Prague broadcasts abroad in six languages. Czech Radio is funded through a monthly fee of 45 CZK. In the Czech Republic, there is also Czech News Agency (ČTK), a public corporation established by law. The state is not responsible for any ČTK obligations and ČTK is not responsible for any state obligations.