INSAT-4A, first in INSAT-4 Satellites series provides
services in Ku and C-band frequency bands. The Ku transponders cover the
Indian main land and C-Band transponders cover an extended area. It has a
dozen Ku transponders and another dozen of C-band transponders. This
spacecraft is placed at 83o E along with INSAT-2E and INSAT-3B, by
Ariane launch vehicle (ARIANE5-V169).