ISRO launches 7th and final satellite IRNSS-1G on  April 28, 2016

Prime Minister Narendra Modi lauded the scientists and congratulated the people of the country on the achievement saying, “with this successful launch, we will determine our own paths powered by our technology”.

“The world will know it as Navic.... The new technology will benefit our people, our fishermen. This is a great gift to people from scientists,” Modi said.
According to ISRO officials, the total cost of all the seven satellites was Rs 1,420 crore.
For today’s mission, ISRO used the PSLV-XL variant which has six solid strap-on motors to augment the thrust provided by the first stage, making the rocket powerful.

The XL variant was used during the launch of Mars Orbiter Mission, Chandrayaan-1, ASTROSAT besides the six earlier IRNSS satellites.

IRNSS-1G which has a 12-year mission life would become operational in about a month’s time, marking the full-fledged functioning of the IRNSS.

With the operations of six satellites, so far, India demonstrated a targeted position of accuracy much better than 20 metres above earth and round-the-clock.

List of navigation satellite launch by ISRO

	Launch Date	Launch Mass	Power	Launch Vehicle	Orbit Type	Application
IRNSS-1G	Apr 28, 2016			PSLV-C33/IRNSS-1G	GTO	Navigation
IRNSS-1F	Mar 10, 2016			PSLV-C32/IRNSS-1F	GSO	Navigation
IRNSS-1E	Jan 20, 2016			PSLV-C31/IRNSS-1E	GSO	Navigation
IRNSS 1D	Mar 28, 2015			PSLV-C27	GSO	Navigation
IRNSS 1C	Nov 10, 2014					Navigation
IRNSS-1B	Apr 04, 2014	1432 kg	1660 W	PSLV-C24		Navigation
IRNSS-1A	Jul 01, 2013	1425 kg	1660 W	PSLV-C22		Navigation

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