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TL 1A, 1B, 1C, 1D
TL 1A [CCTV]
The TL 1 (Tian Lian 1) satellite is a geostationary relay satellite based on the DFH-3 Bus (three-axis-stabilized telecommunications satellite platform). TL 1 will be used to support real-time communications between orbiting satellites and ground control stations. This system will replace the current network of ground-based space tracking and telemetry stations and space tracking ships.
TL 1 represents the experimental first generation of this new network. Later satellites will be of more advanced larger design.
Tian Lian-1A, launched on 25 April 2008, is positioned at 77° East. The second satellite, Tian Lian-1B was launched on 11 July 2011 and is positioned at 176.77° East. On 25 July 2012 Tian Lian-1C China completed global coverage for its tracking and data relay system.
| Nation: | China |
|---|---|
| Type / Application: | Communication |
| Operator: | |
| Contractors: | CAST |
| Equipment: | |
| Configuration: | DFH-3 Bus |
| Propulsion: | ? |
| Power: | 2 deployable solar arrays, batteries |
| Lifetime: | 8 years |
| Mass: | 2100 kg ? |
| Orbit: | GEO |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| TL 1A | 2008-019A | 25.04.2008 | Xi LC-2 | CZ-3C | ||
| TL 1B | 2011-032A | 11.07.2011 | Xi LC-2 | CZ-3C | ||
| TL 1C | 2012-040A | 25.07.2012 | Xi LC-2 | CZ-3C | ||
| TL 1D | 2016-072A | 22.11.2016 | Xi LC-2 | CZ-3C/G2 |
