ROBERT LORIMER America has the wide area augmentation system (WAAS), Europe the European GNSS overlay system (EGNOS), Japan the multifunction satellite augmentation system (MSAS) and India is launching its GPS-aided Geo-augmented navigation (GAGAN) system. They are all satellite-based augmentation systems (SBAS) and are already delivering improved accuracy and integrity for GPS users over much of […]
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NSW Introduces CORS Network
JONATHON POWERS The NSW Department of Lands is rolling out a $6 million electronic survey infrastructure. When completed, the entire state will be covered by a network of continuously operating reference stations that receive signals from navigation satellites. The project will increase the absolute accuracy of the survey control network. Currently, the survey […]
