Direct-to-home broadcast and other domestic needs. Equipped with GAGAN (GPS Aided GEO Augmented Navigation).
"Will replace ST1. Six antennas, 41 Ku-band tarnsponders and 10 C-band transponders."
Defect in communications system; still has not entered service as of 2013. Uses infrared sensors to detect and track missile launches; equipped with both scanning and staring instruments. Will eventually replace DSP system.




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