GSAT-04 Also known as HealthSat is one of the Communication and Navigation Satellites of India. This Satellite was Launched on 15 April 2010 at 4:27 PM IST with the main aim to bring Telemedicine to the poor on a larger scale. But unfortunately, ISRO couldn’t place this Satellite into its Orbit as the fuel turbopump that supplied fuel to the cryogenic engine had stopped working after ignition.
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| (credit: ISRO) |
If This Mission was successful, The Telemedicine Service would have saved some money for patients on travel and accommodation. Also, ISRO would have implemented several new technologies.
ISRO had planned to locate this Satellite at 82° East longitude. Weighing around 2,180 Kg. GSAT-04 Carried Multi-channel Ka-band, bent pipe, regenerative transponder, and a Navigation Payload. One interesting fact about this mission is that it is the first spacecraft to employ ion propulsion which works in accordance with momentum conservation.
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| (credit: ISRO) |
This satellite was launched on the first flight of GSLV MKII i.e., GSLV-D3 from the second launch pad at SDSC, Sriharikota. And the third stage of this rocket was fitted with a cryogenic engine, which was a newly built Engine in India during that time. The total cost of this Mission was around 225 Crores INR. Actually, ISRO panned to Send Israeli Space Observatory TAUVEX-II along with this mission. But due to Mass constraints, TAUVEX-II was removed from GSAT-04 shortly before launch. In 2011, TAUVEX was finally revoked by ISRO.
Also Read: Mars Orbiter Mission
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| (credit: ISRO) |
MISSION PROFILE
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