Prime Minister Narendra Modi congratulated the Indian Space Research Organisation (ISRO) team who are responsible for the successful launch of the GSLV – Mk III D1/GSAT-19 today. He took to Twitter and said, “Congratulations to the dedicated scientists of ISRO for the successful launch of GSLV – MKIII D1/GSAT-19 mission.” Another tweet by him read, “The GSLV – MkIII D1/GSAT-19 mission takes India closer to the next generation launch vehicle and satellite capability. The nation is proud!”
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— ANI (@ANI_news) June 5, 2017
The Indian Space Research Organisation (ISRO) today launched the heaviest ever rocket with a strapped-on satellite. GSAT-19 satellite weighs 3,136 kg and is aimed at bringing a massive change in the communications system of India. The Geosynchronous Satellite Launch Vehicle Mark-III (GSLV MkIII) carried the GSAT-19 communications satellite into space at 5.28 PM from second launch pad at the Satish Dhawan Space Centre, Sriharikota about 120kms from Chennai.
The GSAT-19, as per the Indian Space Research Organisation is a multi-beam satellite that carries Ka and Ku band forward and return link transponders and geostationary radiation spectrometer (GRASP) to monitor and study the nature of charged particles and the influence of space radiation on satellites and their electronic components. The satellite, which has a life span of 10 years, also features certain advanced spacecraft technologies including miniaturised heat pipe, a fibre optic gyro, micro electro-mechanical systems (MEMS) accelerometer, Ku-band TTC transponder, as well an indigenous lithium-ion battery.
The GSLV-Mk III is a three stage/engine rocket. The core of first stage is fired with solid fuel and its two motors by liquid fuel. The second is liquid fuel and the third is the cryogenic engine. The Indian space agency had flown a similar rocket without the cryogenic engine but with 3.7-tonne payload in 2014 mainly to test its structural stability and aerodynamics.