Travellers from Kolkata are in for cheaper flights. There is a new and modern terminal that is near completion and then the Airports Authority of India (AAI) will be switching from a land-based navigation system to a satellite-based navigation system. There are 15 locations throughout India where an Indian Reference Station (INRES) has been placed and Kolkata is one of them. The INRES will collect measurement data and broadcast messages from all GEO and GPS satellites to the Indian Master Control Centre (INMCC), located in Bengaluru.
Dr B P Sharma, director, Netaji Subhas Chandra Bose International Airport in Kolkata, said that once GPS Aided GEO Augmented Navigation (Gagan) is operational, it will free up airspace and bring the cost of flights down. Gagan is being undertaken by the AAI in association with Indian Space Research Organization (ISRO). A third and final Gagan payload is to be launched into space for the Gagan to become functional. The planned completion date is June 2013, but officials are confident that it will be up and running prior to that.
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