Isro all set to launch IRNSS-1H

Moving another step forward in the space technology, the Indian Space Research Organisation is all set to launch PSLV-C39 carrying Indian Regional Navigation Satellite System (IRNSS-1H) on 30 August 2017 with the 29-hour countdown for the lift off started at 2 pm on 29 August 2017. ISRO sources here told Deccan Herald that after getting clearance from the Mission Readiness Review (MRR) committee and Launch Authorisation Board (LAB), the countdown of PSLV-C39/IRNSS-1H started at 14:00 hrs 31 August 2017.

The launch will take place at 7 pm on 30 August 2017 from the second launch pad of Satish Dhawan Space Centre (SDSC) SHAR at Sriharikota, about 100 km from north Chennai. ISRO’s most trusted work horse PSLV, in its forty-first flight (PSLV-C39), will carry and put the 1,425 kg IRNSS-1H into the required orbit.

Like its other IRNSS predecessors, IRNSS-1H also carries two types of payloads such as navigation payload and ranging payload. The navigation payload of IRNSS-1H will transmit navigation service signals to the users. This payload will be operating in L5-band and S-band. Highly accurate rubidium atomic clocks are part of the navigation payload of the satellite. The ranging payload of IRNSS-1H consists of a C-band transponder, which facilitates accurate determination of the range of the satellite. IRNSS-1H also carries Corner Cube Retro Reflectors for laser ranging.

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