Asian Surveying & Mapping
Breaking News
Nuri rocket successfully completes KAIST’s next-gen satellite mission
The Korea Advanced Institute of Science and Technology (KAIST)...
President Lai reviews progress on first indigenous satellite constellation
President Lai Ching-te said developing space technology is a...
Japan’s iQPS lines up eight SAR launches
ST. LOUIS — Japan’s Institute for Q-shu Pioneers of...
UAE Astronauts Promote AI and Collaboration in Space at GITEX Europe
The Arab world’s first astronaut, Hazzaa Al Mansouri, and...
New species of space-adapted bacteria discovered on China’s Tiangong space station
Scientists have discovered a previously unknown strain of microbe...
Isro’s 101st mission fails as PSLV-C61 suffers third-stage anomaly
India’s latest Earth observation satellite mission faced a setback...
Iraq’s First Fully Solar-Powered Village in Kulak Is Now Operational
ERBIL, Kurdistan Region – May 20, 2025 — The...
Australia’s Gilmour Space Technologies ready to launch maiden Eris Test flight the nation’s first orbital launch in over 50 years
Gilmour Space Technologies is the leading launch services company...
Korea’s space agency seeks revision of plan to modify next-gen rockets into reusable system
South Korea's aerospace agency said on Thursday that it...
UAE Space Agency Signs Agreement With Technology Innovation Institute to Execute the Emirates Mission to the Asteroid Belt’s Lander Project
In the presence of His Highness Sheikh Hamdan bin...

December 21st, 2007
Inside SiReNT

Eventually, this system was abandoned, but the experience gained by both teams led to the establishment of the Sydnet system in Sydney, and SiReNT in Singapore.

SiReNT works in three modes: differential correction to any one of its five base stations, Real Time Kinematic – which enables sub-metre positioning on the move – and post processing, requiring an internet connection.

Post processing is the most accurate. Khoo says that with one hour’s occupancy, the position is sufficiently accurate to conform to Singapore’s requirements for legal traceability of position.

However, less than half of local land surveyors have taken up the system. Khoo says the price – $1200 per annum or 50c/min – may be to blame, rather than the innate conservatism of surveyors.

The most interesting part of the SiReNT project is that it uses GPRS to communicate its RTK corrections. GPRS gives internet connectivity over a standard GSM telephone connection.

This is already in demand for machine guidance applications, says Julia Tan, the operations and marketing manager at GPS Lands, the local Trimble distributor. She says it may also provide a communications channel for information from traffic management authorities.

Authorities in Singapore are considering the idea of moving to a pay-per-kilometre charging system to replace an annual usage fee. GNSS would track the movement of vehicles and fees would be based on the distance travelled.

Such a system could also be tied to traffic management systems, enabling drivers to track congestion, so they can delay travel, or use alternative routes.

Headlines