Indian Space Research Organization was successfully launched a Navigational Satellite on July 1, 2013 and Navigational satellite(IRNSS-1A) was placed on geo-stationary orbit on July 17, 2013. It is a great honor for Indian government and ISRO. When fifth Apogee motor was firing. It direction was changed. Exact firing time on July 06,2013 at 04:57Pm. Another operation systems are normal. Navigational satellite is with Geo-synchronous Orbit and 27 degree inclination at 44 degree East longitude. Satellite will complete one orbit around the Earth is 23hours,50m. IRNSS-1A present position values on Geo-synchronous orbit are Apogee 35,870km and Perigee 35,484km. After, satellite payloads will be operating for navigational and ranging objects payloads. Navigational payload will works trace and find out the objects for users. The navigational payload is mainly operating with two bands, L5-Band and S-Band. L5-band frequency range is 1176.45 MHz and S-band frequency range is 2492.028 MHz. IRNSS-1A satellite also contain ranging object payload, Ranging payload is operating on C-band. C-band transponders are trace particular range of objects. total operation life is 10 years for IRNSS-1A satellite. It also contains laser ranging works by Corner Cube Retro Reflector. Main applications by Navigational satellite are Global position system(GPS), Mapping for indian locations, road directions for travelers and used in navy, Army communication systems.
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