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IRNSS Signal in Space ICD Released

September 25, 2014  - By
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News courtesy of CANSPACE Listserv.

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Photo: CANSPACE Listserv

The Indian Space Research Organization (ISRO) has released Version 1 of the Indian Regional Navigational Satellite System (IRNSS) Signal in Space Interface Control Document for the Standard Positioning Service.

The document provides information on the signals and structures of the IRNSS system, including signal modulations, frequency bands, received power levels, the data structures and their interpretations, and user algorithms.

According to ISRO, the document is being released to the public to facilitate research and development and to aid the commercial use of the IRNSS signals for navigation-based applications.

Registration is required for ICD download access at a new IRNSS website. At the moment, only the ICD is available at this website.

The next IRNSS satellite launch is scheduled for the second week of October. The most recent launch was in April, of the second IRNSS satellite, IRNSS-1B.

IRNSS is an independent regional navigation satellite system being developed by India. It is designed to provide accurate position information service to users in India and the region extending up to 1,500 kilometers from its boundary. IRNSS will provide two types of service: Standard Positioning Service (SPS) and Restricted Service (RS). It is expected to provide a position accuracy of better than 20 meters in the primary service area.

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