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The Indian National Satellite (INSAT) system which are placed in Geo-stationary orbits is one of the largest domestic communication satellite systems in Asia-Pacific region. Established in 1983 with commissioning of INSAT-1B, it initiated a major revolution in India’s communications sector and sustained the same later. INSAT space segment consists of 21 satellites out of which 11 are in service (INSAT-2E, INSAT-3A, INSAT-3B, INSAT-3C, INSAT-3E, KALPANA-1, GSAT-2, EDUSAT and INSAT-4A, INSAT-4B, INSAT-4CR)

The system with a total of about 211 transponders in the C, Extended C and Ku-bands.provides services to telecommunications, television broadcasting, weather forecasting, disaster warning and Search and Rescue operatilons.
Launch Date
15.04.2010 
GSAT-4 was an experimental satellite weighing 2220 kg More..
 
Launch Date 02.09.2007 
There are several Indian Communication satellites available in the GEO orbit.  More..
Launch Date
12.03.2007 
INSAT – 4B Spacecraft is the second I the INSAT 4 series of spacecrafts and is configured with exclusive communication  More..
Launch Date
10.07.2006 
INSAT-4 series is planned to have seven satellites  More..
Launch Date
22.12.2005 
INSAT-4a series is planned to have seven satellites, INSAT-4A through INSAT-4G More..
Launch Date
05.05.2005 
HAMSAT is ISRO’s first theme based Micro Satellite meant for providing Satellite More..
Launch Date
20.09.2004 
GSAT – 3, well known as EDUSAT is meant for distant class room education More..
Launch Date
28.09.2003 
INSAT-3E is the fourth satellite to be launched in the INSAT-3 series. More..
Launch Date
08.05.2003 
GSAT-2 is a 2000 kg class experimental communication satellite More..
Launch Date
10.04.2003 
INSAT – 3A is a multipurpose satellite for providing telecommunications, television broadcasting, meteorological and search and rescue services. More..
Launch Date
12.09.2002 
Kalpana – 1 is the first in the series of exclusive meteorological satellites built by ISRO. More..
Launch Date
24.01.2002 
INSAT – 3C To augment the existing INSAT capacity for communication and broadcasting  More..
Launch Date
18.04.2001 
GSAT-1 is envisaged as a technology demonstrator. More..
Launch Date
22.03.2000 
Insat-3B is the first of the five satellites was successfully launched under the Insat-3 series.  More..
Launch Date
03.04.1999 
INSAT - 2E, the last of the INSAT -2 series of satellites built by ISRO More..
Launch Date
Jan 1998 
Second experimental remote sensing satellite similar to Bhaskara-1. More..
Launch Date
04.06.1997 
The spacecraft are similar to the earlier Insats but are 200 kg heavier at launch (2,100 kg) More..
Launch Date
07.12.1995 
Power of four C-band transponders increased to improve communication facilities in remote areas More..
Launch Date
23.07.1993 
Insat-2A, B of the Insat-2 series of satellites built by ISRO, are multi-purpose satellites for telecommunication More..
Launch Date
10.07.1992 
The Insat-2A was launched by a Delta in April 1982 but was abandoned in September 1983 when its attitude control propellant was exhausted. More..
Launch Date
12.06.1990 
The specification for the Insat-1D is the same as the Insat-1B but with expanded battery and propellant capacities. More..
Launch Date
21.07.1988 
The Insat-1C satellite was launched on 21 July 1988 from Kourou for location at 93.5° E to bring the Insat system up to full capacity. More..
Launch Date
30.08.1983 
When Insat-1B was launched on 30 August 1983, it almost suffered the same fate as the Insat-1A. More..
Launch Date
10.04.1982 
Insat-1 was a multi-purpose satellite system to provide two high power TV broadcast and twelve telecommunications national coverage transpondersMore..
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