ČT1
| Country | Czech Republic |
|---|---|
| Programming | |
| Language(s) | Czech |
| Picture format | 1080i HDTV (downscaled to 16:9 576i for the SDTV feed) |
| Ownership | |
| Owner | Czech Television |
| Sister channels | |
| History | |
| Launched | 1 May 1953 |
| Former names | ČST (1953–1970) ČST1 (1970–1990) F1 (1990–1993) |
| Links | |
| Website | Official website |
| Availability | |
| Terrestrial | |
| DVB-T/T2 | MUX 21 (FTA) (HD) |
| Streaming media | |
| iVysílání | Watch live (Czech only) |
ČT1 (ČT Jedna, Česká televize 1, "Jednička") is a Czech public television channel operated by Czech Television. ČT1 is a general-purpose channel, broadcasting family-oriented television, Czech films, news, and documentaries.