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Home / Technology
INSAT-4A
By:dasan
Indian space scientists received signals of INSAT-4A, which was launched by Ariane-5 rocket from Kourou in French Guyana. The satellite signals have been acquired by Master Control Facility at Hassan in Karnataka.
It will be the first satellite to be launched in INSAT-4 series. It carries 12 high power Ku-band transponders to meet the requirement of direct-to-home (DTH) television services apart from 12C-band transponders to augment the INSAT capacity for communication and DTH services.
Weighing 3,080 kg at lift-off, INSAT-4A is the heaviest satellite of the Indian Space Agency till date.
INSAT will have about 225 active transponders in various frequency bands by 2007, which can cater to the demand up to 11 GBPS capacity with present days technology. Along with INSAT-4A, which is the 12th satellite for which ISRO has chosen the European launcher, Ariane Placed MSG-2 weather satellite for the European Organization EUmetsat into the orbit.
Tata-sky, the joint venture of the Tatas and Rupert Murdoch-owned STAR group, has booked all the Ku-band transponders on the Rs. 350 crore satellite, designed, built Indian Space Research Organization. ISRO paid an additional USD 50 million to Ariane Space, the European Commercial Launch Service provider as launch cost. ISRO has already contracted to Ariane space the launch of INSAT-4B, which will carry 12 Ku band and 12 12 C band transponders, would be orbited by India's own Geosynchronous Satellite Launch Vehicle (GSLV).
INSAT System
The Indian National Satellite (INSAT) system is a joint venture of Department of Space (DOS), Department of Telecommunications (DOT), India Meteorological Department (IMD), All India Radio (AIR) and Doordarshan. INSAT Coordination Committee (ICC) was established in 1983. INSAT has become one of the largest domestic satellite systems in the Asia Pacific Region with eight satellites in operation INSAT 2E, INSAT 3E, INSAT 3B, INSAT 3C, KALAPANA-1, GAST-2 and EDUSAT.
Article Source: http://www.dailynewarticles.com
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