The last one was launched on april 28 2016.
Isro launched 7th navigation satellite irnss ig on.
Starting in july 2013 the indian space agency has launched all the seven navigation satellites.
The satellite with a life span of 12 years has two payloads for navigation and ranging.
India is slated to put into orbit its seventh and final navigation satellite on april 28 thereby having its full satellite navigation system up in the sky said a senior space agency official.
The indian space research organisation isro will raise the satellite to its home slot over the next couple of days.
Like all other irnss satellites irnss 1g also has a lift off mass.
The navigation payload of irnss 1g will transmit signals to the users on the l5 band and s band.
Isro had launched and operationalised other six satellites irnss 1f on march 10 2016 irnss 1e january 20 2016 irnss 1d march 28 2015 irnss 1c october 16 2014 irnss 1b april 4.
Its predecessors irnss 1a 1b 1c 1d 1e and 1f were launched by pslv c22 pslv c24 pslv c26 pslv c27 pslv c31 and pslv c32 in july 2013 april 2014 october 2014 march 2015 january 2016 and march 2016 respectively.
Irnss 1g is the seventh navigation satellite of the seven satellites constituting the irnss space segment.
Each satellite has a life span of 10 years.
In its thirty fifth flight pslv c33 isro s polar satellite launch vehicle successfully launched the 1425 kg irnss 1g the seventh satellite in the indian regional navigation satellite system irnss today afternoon april 28 2016 from satish dhawan space centre shar sriharikota.