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In your smartphone you have a miniature GPS receiver, which has a long story behind it. When the first tracking system became operational in 1995, it was as big as a tablet. Today, we have it integrated into our...
A regional navigation satellite system with just seven spacecraft, IRNSS is  the Indian Regional Navigation Satellite System, known by its operational name NAVIC. ISRO's PSLV-C33, carrying India's seventh navigation satellite IRNSS-1G, was launched from the Satish Dhawan Space Centre in Sriharikota at...