Galaxy 4, 7 & 3R's specifications

Prime contractor Hughes
Platform HS-601
Mass at launch 2950 kg
Mass in orbit BOL: 1700 kg
EOL: 1320 kg
Dimension 2.7 x 3.6 x 3.1 m
Solar array 26.2 m span
Stabilization 3-axis
DC power BOL: 5400 W
EOL: 4500 W
Design lifetime 15 years except 9.5 years for the 3R

2 antennas of 2.44 m x 1.83 m: C-band on the West side and Ku-band and on the East

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