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India’s GAGAN System Gets Nod

: Mar 3, 2014 - : 10:03 am

 
India’s prominent satellite-based Geo Augmented Navigation (GAGAN) system to ensure safety and augment efficiency of airlines across the country has achieved certification level Required Navigation Performance (RNP) 0.1.
 
The GPS-Aided GAGAN program has been jointly developed by Airports Authority of India (AAI), the Indian Space Research Organization (ISRO) and U.S. firm Raytheon.
 
The enhanced navigation capability available through GAGAN marks a big step toward its implementation. As a result, the system will now provide civil aircraft in Indian airspace access to more precision navigation data than before.
 
“The enhanced navigation capability available through GAGAN improves air travel for all parties – airlines, passengers and air traffic authorities,” Brian Hickey, director of Raytheon Navigation and Landing Systems says.
 
It will also result in improved efficiency and lower costs for Indian aviation, he adds.
 
The RNP value of 0.1 lets an aircraft follow a precise three-dimensional curved route through congested airspace, noise sensitive areas or through difficult territory.
 
The GAGAN system is a Satellite Based Augmentation System (SBAS) equipped with advanced air navigation technology certified for operational use. Aircraft equipped with SBAS receivers can utilize GAGAN signals in Indian airspace for en route navigation and non-precision approaches without vertical guidance.
 
This SBAS is equipped with the most advanced air navigation technology, which will facilitate guidance to aircraft from the high seas from Singapore to West Africa in the south to the entire Himalayan range in the north.
 
With the certification, GAGAN becomes the fourth SBAS certified for operational use in the world; the others being developed by the U.S., Europe and Japan.
 
GAGAN includes 15 reference stations strategically placed in India to enhance signal availability, uplink stations, master control stations, communication network and associated software, all integrated to two Geostationary Earth Orbit satellites.
 
India has been making efforts to provide real-time position, navigation and timing services under all weather conditions for users including airlines, ships and observational storiess
 
Space agency ISRO has plans to launch three other Indian Regional Navigational Satellite System (IRNSS) satellites during the next fiscal year from April 1, 2014 to March 31, 2015. The first IRNSS satellite was launched last year.
 

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