Irnss specifications

Prime contractor ISRO
Platform I1K
Mass at launch 1425 kg
Dry mass 615 kg
Solar array  
DC power BOL: 1660 W
EOL: 1400 W
Design lifetime 10 years

Downlink in L- (L5) and S-band. A highly accurate Rubidium atomic clock is part of the navigation payload of the satellite.

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