Isro to launch back-up navigation satellite on 31 August
Isro said it will launch its navigation satellite ‘IRNSS-1H’ on 31 August to augment the existing seven satellites of NavIC constellation
Bengaluru: The Indian Space Research Organisation (Isro) on Wednesday said it will launch its navigation satellite ‘IRNSS-1H’ on 31 August to augment the existing seven satellites of the NavIC constellation.
To be launched on board PSLV-C39, IRNSS-1H will be a ‘back-up’ navigation satellite for IRNSS-1A, one of the seven satellites in the constellation, as its three rubidium atomic clocks on board had stopped functioning. “PSLV-C39/IRNSS-1H Mission is scheduled to be launched on 31 August at 18:59 Hrs from SDSC SHAR (Satish Dhawan Space Centre), Sriharikota,” Isro said.
The spacecraft weighing over 1,400 kg was built and tested by Isro along with a consortium of six small and medium industries. The Indian Regional Navigation Satellite System (IRNSS) is an independent regional navigation satellite system developed by India on par with US-based GPS.
The system that offers services like terrestrial and marine navigation, disaster management, vehicle tracking and fleet management, navigation aide for hikers and travellers, visual and voice navigation for drivers, was named ‘NavIC’ (Navigation with Indian Constellation) by Prime Minister Narendra Modi.
Isro had launched seven satellites - IRNSS-1G on 28 April, 2016, IRNSS-1F (10 March, 2016), IRNSS-1E (20 January, 2016), IRNSS-1D (28 March, 2015), IRNSS-1C (16 October, 2014), IRNSS-1B (4 April, 2014) and IRNSS-1A on 1 July, 2013. According to Isro officials, the total cost of all the seven satellites was Rs1,420 crore.
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