Insat 4A is a geostationary communication satellite, which was launched on December 22, 2005, from the European spaceport in Kourou, French Guiana. It has been designed to provide various communication services, including broadcasting, telecommunication, meteorology, and disaster warning.
Insat 4A has 12 Ku-band transponders and 12 C-band transponders, which allow it to transmit a wide range of television channels and other multimedia content. Tata Sky uses these transponders to provide its DTH services to millions of subscribers across India.
Apart from Insat 4A, Tata Sky also uses other satellites for providing its DTH services, including GSAT-10, GSAT-17, and NSS-6. GSAT-10 is another geostationary communication satellite operated by ISRO, which was launched on September 29, 2012. It has 12 Ku-band transponders and 12 C-band transponders and is used by Tata Sky for providing additional DTH services.
GSAT-17 is a more recent geostationary communication satellite, which was launched on June 29, 2017. It has 24 Ku-band transponders and is used by Tata Sky for providing high-definition (HD) channels and other advanced DTH services.
NSS-6 is a communication satellite operated by SES World Skies, which is based in Luxembourg. It has 38 Ku-band and 24 C-band transponders and is used by Tata Sky for providing additional DTH services, especially to its subscribers in rural areas.
In conclusion, Tata Sky, the popular DTH service provider in India, uses multiple satellites for its operations, including Insat 4A, GSAT-10, GSAT-17, and NSS-6. Insat 4A is the primary satellite used by Tata Sky for transmitting its DTH services, while the other satellites are used for providing additional services, including HD channels and services to rural areas.
