It is said that in past, a famous voyager Robinson Crusoe was stuck in an unknown island where he was compelled to spend a large number of years in isolation. But, recently, I was imagining that if Robinson was born in this age, then he would nt have required to spend a long time. The […]

Global Navigation Satellite System(GNSS) is the standard generic term for satellite navigation system(Sat Nav Devices) that provides autonomous spatial positioning with global coverage. A-GNSS allows small electronic receivers to determine their location within a few metres using time signals transmitted from satellite.
Earlier satellite was based on the Doppler frequency. The question arises how GPS i.e […]