What is IRNSS

Definition: The Indian Regional Navigation Satellite System (IRNSS) is India's regional satellite navigation system that is designed to provide geospatial positioning information within the Indian sub-continent. It enables users to map out their location (altitude, longitude and latitude). The objective of developing IRNSS was to cut down India's dependency on foreign navigation satellite systems.

Description: The Indian Regional Navigation Satellite System (IRNSS) is a regional satellite navigation system designed by the Indian Space Research Organization (ISRO). IRNSS is India's own GPS-like system, much like the American GPS system. The difference between both is that while the IRNSS is a regional satellite navigation system, the American GPS is a global satellite navigation system. IRNSS provides location information service to users in India and the region extending for up to 1,500 km from the Indian boundary. This is the primary service area of IRNSS information service to users in India and the region extending up to 1500 km from Indian boundary. This area is the primary service area of IRNSS. IRNSS is a constellation of seven satellites in space. Out of these, three are located in the geostationary orbit over the Indian Ocean and the other four in geosynchronous orbits, with the desired inclination and equatorial crossings in two different planes. These 7 satellites in IRNSS are: 1) IRNSS-1A, 2) IRNSS-1B, 3) IRNSS-1C, 4) IRNSS-1D, 5) IRNSS-1E, 6) IRNSS-1F, and 7) IRNSS-1G. IRNSS aims to provide the following services: 1. Standard Positioning Service (SPS) for civilian, research & commercial use, 2. Restricted Service (RS) for authorized users. For example defense. IRNSS is used for ground, aerial and marine navigation, disaster management, mobile phone integration, mapping and visual & voice navigation for drivers, among others.



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