Tianlian I

Tianlian I (Simplified Chinese: 天链一号, Traditional Chinese: 天鏈一號, English: Sky Chain), also known as Tian Lian 1, TL-1, and CTDRS-1 is a Chinese data tracking and relay communications satellite series. Based on the DFH-3 satellite bus, Tianlian I provides communications coverage for crewed Shenzhou missions, from Shenzhou 7 onwards, and the Tiangong space station. Functionally, it is similar to the United States Tracking and Data Relay Satellite System.

Tianlian I

Tianlian I (Simplified Chinese: 天链一号, Traditional Chinese: 天鏈一號, English: Sky Chain), also known as Tian Lian 1, TL-1, and CTDRS-1 is a Chinese data tracking and relay communications satellite series. Based on the DFH-3 satellite bus, Tianlian I provides communications coverage for crewed Shenzhou missions, from Shenzhou 7 onwards, and the Tiangong space station. Functionally, it is similar to the United States Tracking and Data Relay Satellite System.