China Aerospace Science and Technology Corporation (CASC)
Applications
Tracking and Data Relay Satellite System
Specifications
Bus
DFH-3 - first generation
DFH-4 - second generation
Regime
Geostationary
Production
Status
In service
Launched
8
Operational
8
Maiden launch
Tianlian I-01 25 April 2008
Last launch
Tianlian II-03 12 July 2022
Tianlian (Simplified Chinese: 天链, Traditional Chinese: 天鏈, English: Sky Link) also known as CTDRS, is a Chinese data relay communication satellite constellation. The constellation serves to relay data from ground stations to spacecraft and rockets, most significantly China's crewed spaceflight program. The system currently consists of seven satellites in two generations, with the first satellite being launched in 2008.
Tianlian (Simplified Chinese: 天链, Traditional Chinese: 天鏈, English: Sky Link) also known as CTDRS, is a Chinese data relay communication satellite constellation...
25 April 2008, at 15:35 UTC. The payload for the first launch was the Tianlian I-01 data relay communications satellite. The second carried the Compass-G2...
and also the launch of the nation's first data relay satellite (数据中继卫星) Tianlian I (天链一号). A new launch pad for next-generation rockets (such as Long March...
Data System – Another US data relay system for reconnaissance satellites Tianlian – Chinese data relay system NASA Space Science Data Coordinated Archive...
communications, including live audio and video links, are provided by the Tianlian II series of data relay satellites. A constellation of three satellites...
example in 2020 for the Mars mission Tianwen-1, where the satellites Tianlian 1B and Tianlian 2A were parked for orbit tracking and the transmission of telemetry...
program, Fanhui Shi Weixing, Yaogan and Ziyuan 3. Tianlian I telecommunication satellite Tianlian II (天链二号) Next generation data relay satellite (DRS)...
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