India’s PSLV rocket placed the IRNSS-1E satellite into orbit today. This is the fifth of seven satellites that make up the initial capability constellation for India’s domestic satellite navigation system, the Indian Regional Navigational Satellite System. It represents another step in the PSLV’s remarkable run of successful flights out of Satish Dhawan Space Center in Sriharkota, Andhra Pradesh.
IRNSS is one of several competitors to GPS that exist now, as it seems every country with a serious satellite program is aiming to launch their own. Russia has GLONASS, China has Beidou, Europe is building Galileo, and Japan also plans a similar system. Low-to-mid Earth Orbit is filling up quickly…..