GPS is a satellite based navigation system that is used to provide real time position and time data to the USERS having GPS receivers. As of now, GPS system has 31 satellites in its constellations which transmit signal to locate any object on or near the earth.

On the other hand, GAGAN is an augmentation system that augments the already existing GPS constellation. GAGAN provide more accuracy than GPS. This accuracy is result of processing of GPS satellites data at GAGAN Master CONTROL Centre and sending the corrected data to the intended user through GEOSTATIONARY satellites.

GPS is a satellite based navigation system that is used to provide real time position and time data to the users having GPS receivers. As of now, GPS system has 31 satellites in its constellations which transmit signal to locate any object on or near the earth.

On the other hand, GAGAN is an augmentation system that augments the already existing GPS constellation. GAGAN provide more accuracy than GPS. This accuracy is result of processing of GPS satellites data at GAGAN Master Control Centre and sending the corrected data to the intended user through geostationary satellites.