Indian Space Research Organisation (ISRO) is all set to launch the communication satellite GSAT-19 along with Geosynchronous Satellite Launch Vehicle-Mark (GSLV-Mk III) from the Second Launch Pad (SLP) at Sriharikota at 5:28 PM on June 5, 2017. GSLV-Mk III is the heaviest rocket made by India till date and has been designed to launch 4 tonne class of satellites into Geosynchronous Transfer Orbit (GTO).

According to ISRO, GSLV-Mk III will carry two strap-on motors called ‘S200’ that carry 205 tonnes of composite solid propellant each and the GSAT 19 satellite to the GTO. GSAT 19 is a muti-beam satellite that will beam Ku and Ka bands.

Here are 7 things you should know about ISRO’ GSLV Mk III-D1/GSAT-19 Mission that will prove to be a game-changer for communication in India:

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  • On its maiden mission, GSLV Mk III-D1 will ferry GSAT 19 satellite weighing 3,136 Kg into space.
  • GSAT-19 will have a lifespan of 10 years and it will carry Ka and Ku band throughput communication transponders.
  • GSAT 19 is India’s first communication satellite that is capable of providing the Internet from a space-based platform and is capable of connecting areas that cannot be connected via the high-speed fibre optic cables.
  • GSAT 19 is going to be powered by indigenously developed Lithium-ion batteries.
  • GSAT 19 will carry Geostationary Radiation Spectrometer (GRASP) that will help ISRO to study and monitor the nature of charged particles in the space and the impact of radiation on satellites and their components.

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  • GSAT-19 will also feature some advanced spacecraft technologies including Micro-Electro-Mechanical Systems accelerometer and a miniaturised heat pipe and a Ku-band TTC transponder. These systems will become an integral part of ISRO’s future missions.
  • GSAT 19 will not have transponders, the device that is used to beam signals to the ground station from space. Instead, it will use multiple frequency beams to transmit signals.

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