Welcome To ISRO :: Satellites :: Geo-Stationary Satellite

	Launch Date	20.09.2004
GSAT-3, known as EDUSAT is meant for distant class room education from school level to higher education. This is the first dedicated "Educational Satellite" that provide the country with satellite based two way communication to class room for delivering educational materials. This is a Geo-synchronous satellite developed on I-2K bus. GSAT-3 is co-located with METSAT(KALPANA-1) and INSAT-3C at 74^o E longitude.

Mission	Education
Spacecraft Mass	1950.5 Kg mass (at Lift - off) 819.4 Kg (Dry mass)
Onboard power	Total four solar panel of size 2.54 M x 1.525 M generating 2040 W (EOL), two 24 AH NiCd batteries for eclipse support
Stabilization	3 axis body stabilised in orbit using sensors, momentum and reaction wheels, magnetic torquers and eight 10 N & 22N reaction control thrusters.
Propulsion	440 N Liquid Apogee Motor with MON - 3 and MMH for orbit raising
Payload	Six upper extended C - band transponders Five lower Ku band transponders with regional beam coverage One lower Ku band National beam transponder with Indian main land coverage Ku beacon 12 C band high power transponders with extended coverage, covering southeast and northwest region apart from Indian main land using 63 W LTWTAs
Launch date	September 20, 2004
Launch site	SHAR, Sriharikota, India
Launch vehicle	GSLV-F01
Orbit	Geostationary (74^oE longitude)
Mission Life	7 Years (minimum)