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Indian rocket successfully lifts off with navigation satellite

IANS  |  Sriharikota (Andhra Pradesh) 

India's (PSLV) rocket lifted off successfully with from the rocket port here early on Thursday.

The PSLV-XL version, standing 44.4 metres tall and weighing 321 tonnes, rose up into the skies at 4.04 a.m.

After the successful launch, said: "I am extremely happy to announce that the PSLV has preciselyinjected the in the targetted orbit."

He said ISRO is moving towards to get the rocket and satellite through industry.

Sivan said over the next eight months, ISRO has planned nine launch missions including the moon mission towards the end of the year.

The Rs 1,420 crore Indian - System now called NavIC - consists of nine satellites, seven in orbit and two as substitutes.

One of the substitutes was the as IRNSS-1A's rubidium atomic clocks, important for giving accurate positional data, have failed. However, the ended in a failure on August 31 last year.

The 1,425 kg will be the second satellite sent up as replacement for and the ninth of the

Simply put, the or NavIC (Navigation with Indian Constellation) is similar to the US-owned

Each satellite has three rubidium atomic clocks and a total of 27 clocks for the (including the standby satellites) were supplied by the same vendor.

Like its other predecessors, also carries two types of payloads for navigation and ranging.

The navigation payload, operating in L5-band and S-band, will transmit navigation service signals to the users, while the ranging payload consists of a C-band transponder, which facilitates accurate determination of the range of the satellite. IRNSS-1I also carries Corner Cube Retro Reflectors for ranging.

After 19 minutes, 20 seconds following the lift-off, the rocket will sling IRNSS-1I at an altitude of around 507 km.

According to ISRO, NavIC is useful for fishermen to reach potential fishing areas. The fishermen can also get alert messages relating to bad weather, high waves or when they approach international maritime boundary lines. These services are provided through a on a

The Indian space agency also said NavIC is useful for merchant ships in their navigation and also during search and rescue operations. In the road transport sector, it helps commuters to traverse distances and also enables transport operators to track their vehicles.

The navigation system is also helpful for railways in tracking trains and also giving an alert in the case of an unmanned level crossing.

NavIC provides two types of services -- standard positioning service and restricted service. The former is for all users while the latter is an encrypted service only for authorised users.

Starting in July 2013, the Indian space agency has launched eight navigation satellites, with the last one launched on August 31, 2017. This was a failure as the rocket's heat shield did not separate three minutes after lift-off and the satellite remained housed inside the heat shield.

Each satellite has a life span of 10 years.

(Venkatachari Jagannathan can be contacted at v.jagannathan@ians.in)

--IANS

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(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Thu, April 12 2018. 04:38 IST
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