India’s long impressive project of owning an indigenous navigation satellite system, formally known as NavIC ( navigation with Indian constellation), has been performed as ‘workhorse’ Polar Satellite Launch Vehicle ( PSLV-C41 ) successfully launched IRNSS-1I Sathish Dhawan Space Centre, eighth and the final satellite of the IRNSS series.
IRNSS-1I is a back-up navigation satellite for IRNSS-1A. PSLV-C41/IRNSS-1I Mission blasted off at 4 .04 am from the launchpad at the Sathish Dhawan Space Centre, Sriharikota. It was, in fact, a standard lift-off, ISRO officials reported.
IRNSS-1I is expected to replace IRNSS-1A, the first of the seven navigation satellites. Each satellite contains three clocks together with a total of 27 clocks for the navigation satellite system were supplied by the same vendor from Europe. The clocks are important to provide precise data and that was rendered ineffective after three rubidium atomic clocks been unsuccessful. The seven satellites are part of the NavIC navigation satellite constellation.
The launch is ISRO’s second attempt at sending a replacement satellite.
The earlier mission of a PSLV delivering IRNSS-1H in August last year failed after the heat shield covering the satellite failed to separate.