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ISRO-launched satellite beats its own shelf-life! completes decade, continues to provide service

An ISRO-launched satellite that was designed for 5 years has now completed a decade and is expected to provide service for more years.

Bhagya Luxmi Edited By: Bhagya Luxmi @Bhagya_Luxmi New Delhi Published on: March 02, 2023 21:31 IST
ISRO-launched satellite, ISRO-launched satellite SARAL, SARAL, SARAL satellite, SARAL satellite
Image Source : PIXABAY ISRO-launched satellite beats its own shelf-life! completes decade, continues to provide service

An ISRO-launched satellite with an intended mission life of five years has completed a decade of service and is continuing to provide its service. SARAL (Satellite with ARgos and ALtika) is an Indo-French cooperative mission that was launched by ISRO for oceanographic studies

SARAL was launched on February 25, 2013

ISRO (Indian Space Research Organisation) has provided the small satellite bus platform to which the French national space agency CNES payload composed of ARGOS-3 and Altika instruments (altimeter, radiometer, DORIS, LRA) are integrated. SARAL was launched on February 25, 2013, from SDSC-SHAR, Sriharikota onboard PSLV-C20. The intended mission life was five years, the Bengaluru-headquartered ISRO noted in a statement on Thursday.

Visualised at the turn of the millennium, Altika is a technological breakthrough that offered a Ka-band altimeter for the first time to measure the topography of the surface of the oceans, ISRO said. Altika enabled imaging the coasts, rivers and lakes with better resolution than its predecessors, it said.

AltiKa data widely used by glaciologists and hydrologists

"Lesser penetration depth of Ka-band waves into the snow or ice than that of the lower frequency counterparts facilitated more accurate measurement of the altitudes", the statement said. Besides contributing to the observation of the oceanic circulation of mesoscale (between 50 and 500 km) essential to understanding the dynamics of the ocean and its climatic impacts, AltiKa data are also widely used by glaciologists and hydrologists, according to ISRO.

"Thanks to the efforts of ISRO, CNES, and EUMETSAT (European Organisation for the Exploitation of Meteorological Satellites) operational teams, SARAL is relentlessly pursuing its work as an ocean surveyor for the benefit of the international scientific community and the 'Copernicus Marine Service'", the Indian national space agency said.

SARAL data products useful for marine meteorology, sea state forecasting and more

SARAL performs altimetric measurements designed to study ocean circulation and sea surface elevation, it was noted. The payloads of SARAL are accommodated in the Indian Mini Satellite-2 bus, built by ISRO. SARAL data products are useful for operational as well as research user communities in many fields like marine meteorology and sea state forecasting, operational oceanography, seasonal forecasting, climate monitoring, ocean, earth system and climate research and continental ice studies, it said.

(with inputs from PTI)

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