China will establish its own GNSS global navigation system by 2020 by launching about 12 to 14 satellites in the next few years, Chinese state media reported last week. The navigation and positioning satellite is essential for a country in the development of economy and national defence, officials said. By the end of 2020, […]
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RTK-GPS/GNSS for the Modern Surveyor
A course for surveyors run by the University of New South Wales WHEN: 2011-02-17 to 2011-02-18WHERE: SydneySTATE: NSWCOUNTRY: AUS Covers: Principles of carrier phase-based GPS positioning and error sources Positioning modes and RTK-GPS Operations and pitfalls Online services to support GPS (hands-on exercises) Standards, specs and regs for users Introduction to CORS and network-RTK – […]
Japan launches first GPS satellite
The Japanese Space Agency (Jaxa) has launched a rocket carrying the country's first GPS satellite. The H-IIA rocket was launched from the Tanegashima Space Center carrying the satellite named ‘Michibiki’. Currently Japan uses the US GPS network of 30 satellites, but the government hopes the system will be enhanced by the new satellite which […]
EU and US to Team up on GPS
The EU and the US have announced a bilateral agreement regarding the use of their GPS systems. The EU is currently developing its Galileo GPS system, a network of 30 satellites that will give EU countries an independent GPS network from 2014. Currently most GPS devices use the US GNSS system. A working […]
European Satellite Navigation Competition 2010
The European Satellite Navigation Competition (ESNC) is underway. The annual contest provides innovators with opportunities to develop ideas for new products and services based on satellite positioning. The prizes for the international contest include C– 1 million (about $1.4 million) in funding and start-up assistance. This year’s competition also includes six special topic prizes from […]
Satellite-Based Augmentation Systems
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 […]
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 […]
