TThe INSAT-4A “Indian National Satellite System” is a series of multipurpose Geo- Stationary satellites. It can be launched by ISRO since 28 January 2008 to satisfy the telecommunications. ISRO launched fourth generation of satellites with the “ INSAT-4 series ”.
"INSAT-4A (Indian National Satellite System) is the most advanced, heaviest and most powerful satellite (of India).” ISRO (Indian Space Research Organization) launch as a "very important milestone in the history of India.”
The launch is seen as another milestone in India's space programmed and it can be give a major fillip to Direct-to-Home television services. The INSAT-4A launch, telecast live by Doordarshan, as a very important milestone in the history of ISRO. It can Revolutionize DTH broadcasting and improve the entertainment scenario in the country.
The INSAT-4A is a first satellite in the INSAT-4 series under which seven satellites have been planned, is equipped with 12 ku and 12 c band high-powered transponders, with a design life of 12 years. The fourth generation of satellites INSAT-4A is India's heaviest satellite weighing 3,080 kg at lift-off, was shot into space about 29 minutes after the European launch vehicle blasted off. This is going to revolutionize the TV broadcasting directly to the home and improve the entertainment scenario in India.
Originally INSAT-4A was launch in the first half of 2005 but due to difficulties faced by Arians and delay in the launch of first two satellites of other countries, the launch schedule was recast.
It is Developed to the solar antennas will be carried out before positioning the satellite in its designated slot of 83 degree East longitude, along with INSAT-2E and INSAT-3B.
