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TDF 1, 2

TDF 1 [CNES]

A 1980 French-German agreement to develop compatible direct broadcast satellite systems led to the creation of the French TDF (Télédiffusion de France) series of satellites which were launched in 1988 and 1990. The technical specifications of TDF are also virtually identical with those of TV-Sat, and both satellites share the same geostationary locale near 19 degrees W

Based on Aerospatiale's Spacebus-300 platform, TDF spacecraft are about 1.3 metric tons on station with bus dimensions of 1.6 m by 2.4 m by 7.1 m and a payload mass of 250 kg. The solar arrays span 19.3 m and provide 4.3 kW at start of life. Both spacecraft carry five, high power (230 W) 18/12 GHz transponders and are located at 19 degrees W.

Nation: France
Type / Application: Communication
Operator: Télédiffusion de France
Contractors: Aerospatiale
Equipment: 5(+1) 230 W Ku-band transponders
Configuration: Spacebus-300
Propulsion: S400
Power: 2 deployable solar arrays, batteries
Lifetime: 8 years
Mass: 2136 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
TDF 1 1988-098A 28.10.1988 Ko ELA-1 Ariane-2
TDF 2 1990-063A 24.07.1990 Ko ELA-2 Ariane-44L H10 with DFS-Kopernikus 2