ISRO Begins Countdown for Historic 100th Mission from Sriharikota | Key Details

ISRO Begins Countdown for Historic 100th Mission from Sriharikota: Sources with news agency PTI reported that the countdown began on Tuesday for the historic 100th mission of the Indian Space Research Organisation (ISRO) from the Satish Dawan Space Centre in Sriharikota, Andhra Pradesh.

A WADSM-05M, a Global Positioning Satellite, on a GSLV rocket is the first of V Narayanan's missions since he assumed the chairmanship of ISRO and he has taken charge on January 13. The mission is expected to launch on Wednesday.

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This cryogenic upper stage GSLV flight, carrying Navigation Satellite NVS-02, is expected to lift off at 6.23 am on January 29. Countdown began 27 hours ahead of the scheduled launch time.

For nearly two years since the launch on May 29, 2021, the 50.9-metre tall GSLV F15 was launched following the GSLV F12, which carried navigation satellite NVS-01, the first of the second-generation satellite series.

On Wednesday, ISRO will launch the Navigation satellite NVS-02-its historic 100th mission-from the Satish Dhawan Space Centre. This is the second in the series of the Navigation with Indian Constellation (NavIC), aimed at providing accurate position, velocity, and timing to users within the Indian subcontinent and to places up to 1,500 km beyond the Indian land mass.

NavIC includes five second-generation satellites, NVS-01/02/03/04/05, expected to augment the NavIC base layer constellation with improved functionalities to ensure service continuity.

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NVS-02 with a launch mass of about 2,250 kg has navigation payloads in L1, L5, and S bands, alongside a ranging payload in C-band, just like its predecessor NVS-01. The satellite was designed and developed by the U R Satellite Centre.

ISRO, heterogeneous applications for the satellite avowedly fall under the following categories: terrestrial, aerial, and maritime navigation; precision agriculture; fleet management; location-based services in mobile devices; orbit determination for satellites; IoT-based applications; emergency services; and timing services.

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