The Indian Space Research Organization (ISRO) on 25 May 2015 announced the complete operationalisation of the GPS Aided Geo Augmented Navigation (GAGAN).
AT A GLANCE
► A new three party agreement between Ordnance Survey (GB), Ordnance Survey Ireland (OSi) and Land and Property Services (LPS) Northern Ireland is set to improve access and availability of mapping services for customers and government users operating across the UK and Ireland.
► Raytheon-built GPS III system delivered
► Apple buys GPS fi …

Time originally determined by the standard clock is called proper time, and the time calculated under the relativistic framework is called coordinate time. The time conversion calculated under the relativistic framework comes to precession, nutation, and polar motion correction models which calculate…