Singapore Satellite Positioning Reference Network
Welcome to SiReNT,
SiReNT is an SLA initiative developed to support your real-time high precision Positioning, Navigation and Tracking (PNT) as well as Global Navigation Satellite System (GNSS) needs. SiReNT is also developed with differential technologies which improves accuracy and reliability for global navigation.
SLA Customer Service Counter is currently located at the Taxpayer and Business Service Centre, Level 1, Revenue House. Please be informed that the visit to the Service Centre is strictly by appointment only. We thank you for your patience and understanding.
8am-5pm (last queue ticket issued at 4pm)
SLA Customer Service Enquiry Line
Please note that the operating hours of our SLA Customer Service Enquiry and Quality Service Manager (QSM) Line will also be updated as below:
For any enquiries, please contact us via our online feedback form.