| Country | Republic of China |
|---|---|
| Broadcast area | Taiwan Japan (Yonaguni Island) Philippines (Itbayat) |
| Network | Chinese Television System |
| Headquarters | Taipei, Taiwan |
| Programming | |
| Picture format | 1080i HDTV |
| Ownership | |
| Owner | Taiwan Broadcasting System |
| History | |
| Launched | February 14, 1962 (as NETV) January 31, 1971 (as CTS Main Channel) |
| Closed | February 16, 1970 (NETV) |
| Former names | NETV (1962-1970) |
| Links | |
| Website | cts.com.tw |
| Availability | |
| Terrestrial | |
| Digital | Channel 18 |
CTS Main Channel is the flagship free-to-air terrestrial television channel of the Chinese Television System network and is the third oldest free-to-air terrestrial television channel in the Republic of China (Taiwan) after TTV Main Channel and CTV Main Channel.