PTC 1
RTS1 (Serbian Cyrillic: РТС1; First program of RTS (Serbian: Први програм РТС-а/Prvi program RTS-a), First channel of RTS (Први канал РТС-а/ Prvi program RTS-a) or only First (Први/ Prvi)) is a Serbian public mainstream TV channel operated by RTS.
RTS1 is the oldest television station in Serbia, launched on 23 August 1958. It is available nationally free-to-air and is the most watched television channel in the country beating the other two most popular television networks in Serbia, RTV Pink and Prva. RTS1 offers viewers political shows and debates and domestic and international shows. RTS1 airs a range of locally produced dramas, which are among the most watched television shows in Serbia.