Related Links

Important Notices:

The following websites are provided by third-party and the links are for users' convenience only. The information provided in the following websites is the responsibility of the external source. Please read the Important Notices and Privacy Policy as shown in the web site of Survey and Mapping Office, Lands Department before continue browsing.

  • The State Bureau of Surveying and Mapping, The People's Republic of China (Simplified Chinese only)

  • The International GNSS Service (IGS)

  • National Geodetic Survey (NGS), US Depart of Commerce

  • United States Coast Guard Navigation Center

  • Current status of GLONASS constellation

  • Russian system of differentional correction and monitoring

  • Australian Government - Geoscience Australia

  • International Terrestrial Reference Frame (ITRF)
  • International Earth Rotation and Reference Systems Service (IERS)
  • Ordnance Survey, United Kingdom - OS Net
  • The National Marine Electronics Association (NMEA)
  • The Radio Technical Commission for Maritime Services (RTCM)
  • University NAVSTAR Consortium (UNAVCO) - TEQC Toolkit
  • Malaysia RealTime Kinematic GPS Network System