| RTS1 | |
|---|---|
| Launched | 23 August 1958 | 
| Owned by | Radio Television of Serbia | 
| Picture format | 576i (16:9) (SDTV) | 
| Audience share | 19.2% (2016) (Audience share from 2003 to 2016) | 
| Country | Serbia | 
| Formerly called | Televizija Beograd 1958-1971 TVB1 1971-1992 | 
| Sister channel(s) | RTS2, RTS3 | 
| Website | [1] | 
| Availability | |
| Terrestrial | |
| Digital | Channel 1 | 
| Satellite | |
| TotalTV | Channel 1 | 
| Digi TV | Channel 1 | 
| Cable | |
| SBB | Channel 201 | 
| IKOM | Channel 028 | 
| Radijus Vektor | Channel 001 | 
| IPTV | |
| mts TV | Channel 101 | 
RTS1 (РТС1, "Први програм РТС-а", "Први канал РТС-а" or "Први") is a Serbian public mainstream TV channel operated by RTS.