As per Military Balance 2018 (IISS 2018) India has two communications satellites GSAT 7 for the Indian Navy and GSAT 7 A for the Indian Air Force with 30% capacity to be shared with the Indian Army.
GSAT-7 is an advanced communication satellite built by ISRO to provide wide range of service spectrum from low bit rate voice to high bit rate data communication. GSAT-7 Communication payload is designed to provide communication capabilities to users over a wide oceanic region including the Indian land-mass. The payload configuration is compatible with I-2.5K bus of ISRO. The GSAT-7 payload design includes Multiband communication.
GSAT-7A is the 35th Indian Communication satellite built by ISRO. GSAT-7A Spacecraft is configured on ISRO’s standard I-2000 Kg (I-2K) Bus. The Satellite is built to provide communication capability to the users in Ku-band over the Indian region.
19-December-2018 18:24 IST The Hindu reports that “Although all Indian communication satellites offer capacity to the armed forces, GSAT-7A will be the first one built primarily for the IAF to qualitatively unify its assets and improve combined, common intelligence during operations. With integrated action being a buzzword it will also support aerial activities of the Army and the Navy where required”.
As per the ISRO, the Indian National Satellite (INSAT) system is one of the largest domestic communication satellite systems in Asia-Pacific region with nine operational communication satellites placed in Geo-stationary orbit. Established in 1983 with commissioning of INSAT-1B, it initiated a major revolution in India’s communications sector and sustained the same later. GSAT-17 joins the constellation of INSAT System consisting 15 operational satellites, namely - INSAT-3A, 3C, 4A, 4B, 4CR and GSAT-6, 7, 8, 9, 10, 12, 14, 15, 16 and 18.
The INSAT system with more than 200 transponders in the C, Extended C and Ku-bands provides services to telecommunications, television broadcasting, satellite newsgathering, societal applications, weather forecasting, disaster warning and Search and Rescue operations.
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