| Callsign: | WSJN-CD |
| Branding: | CTNi Puerto Rico |
| Digital: | 22 (UHF), shared with WELU |
| Virtual: | 8, 20, 44, 60 |
| Translators: | WQSJ-CD 20.1 (Quebradillas) |
| Affiliations: | CTNi |
| Subchannels: | 20.1: CTNi |
| Airdate: | 1990 |
| Location: | San Juan, Puerto Rico |
| Callsign Meaning: | San Juan |
| Owner: | Wanda Rolon |
| Operator: | Christian Television Network |
| Sister Stations: | WELU, WUSP-LD, WVQS-LD |
| Former Affiliations: | Religious Independent (1990-2013) |
| Erp: | 12.7 kW |
| Haat: | 317.3m (1,041feet) |
| Class: | CD |
| Facility Id: | 48239 |
| Coordinates: | 18.2919°N -66.1666°W |
WSJN-CD (channel 20) is a Class A religious television station in San Juan, Puerto Rico. The station is owned by Wanda Rolon and operated by Christian Television Network, along with satellite station WQSJ-CD (channel 20) in Quebradillas, Puerto Rico. WSJN-CD shares transmitter facilities with WELU (channel 34) at the Monte Renovados La Peña in Bayamón. The station has its studios and offices located at Barrio Piñas in Toa Alta.
WSJN-CD began operations in 1990, and it was owned by Ministerio Codech en Avance, Inc. Prior to this, WSJN-CD and WQSJ-CD were affiliated with Telecadena SBN between 1999 and 2013. In 2013, the stations switched affiliations to the CTNi network.
| Channel | Res. | Aspect | Short name | Programming | |
|---|---|---|---|---|---|
| WSJN-CD | 8.1 | TIVA-TV | Tiva TV | ||
| 20.1 | CTNi-DT | CTNi | |||
| 44.1 | W44CK-D | 3ABN Latino | |||
| WELU | 34.1 | 16:9 | WELU-DT | CTNi |