‘SAGAR SAMPARK’ Differential Global Navigation Satellite System

The Indian maritime sector is undergoing a significant digital transformation, bolstered by the recent inauguration of the indigenously developed Differential Global Navigation Satellite System (DGNSS). This state-of-the-art system, named ‘Sagar Sampark,’ is a crucial component of the Digital India campaign, aimed at enhancing efficiency and efficacy in marine operations.  

Strengthening Digital Transformation 

The primary purpose of the DGNSS system is to further strengthen the ongoing digital transformation of the Indian maritime sector. By addressing the limitations of the GNSS, the DGNSS system offers more accurate positioning information, enabling mariners to navigate with increased precision and confidence. 

Ministry Responsible

The Ministry of Ports, Shipping and Waterways takes the lead in overseeing the development and implementation of the DGNSS system. This ministry recognizes the importance of technological advancements in the maritime sector and actively supports initiatives aimed at enhancing navigation and safety. 

Improving Navigation and Safety 

The DGNSS system significantly enhances navigation safety by reducing the risk of collisions, groundings, and accidents. By providing mariners with accurate information for safe navigation, it ensures the smooth movement of vessels in port and harbor areas. 

Fulfilling International Obligations 

The DGNSS system aligns with the international obligations set by prominent organizations such as the International Maritime Organization (IMO), Safety of Life at Sea (SOLAS), and the International Association of Marine Aids to Navigation and Lighthouse Authorities (IALA). The DGNSS system functions as a crucial radio navigation aid, guaranteeing adherence to global benchmarks and regulations.

Enhanced Positioning Accuracy 

With the implementation of the DGNSS system, positioning accuracy has significantly improved. Mariners can now benefit from positioning accuracy within five meters for 100 Nautical Miles from Indian coastlines. This remarkable advancement aids in precise navigation and reduces potential risks in the challenging maritime environment. 


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