NavIC/IRNSS Regional Satellite Navigation Constellation

Dependence on the US GPS constellation for defence, shipping, and disaster management is what NavIC is designed to reduce. India's Navigation with Indian Constellation system, formally the Indian Regional Navigation Satellite System, comprises seven satellites in geostationary and geosynchronous orbits managed by ISRO under the IRNSS programme authorised by the Department of Space. Standard Positioning Service is accurate to 20 metres; Restricted Service carries encrypted signals. Coverage spans a 1,500 km service area surrounding India. Addition of the L1 civil signal expands compatibility with consumer devices, extending NavIC's reach beyond strategic applications.

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