SatRef Network RTK Integrity Monitoring (IM)

  Geodetic Survey Section
  Lands Department

There are two Integrity Monitoring (IM) stations established for monitoring the performance of Network RTK GNSS correctional data stream produced by "Hong Kong Satellite Positioning Reference Station Network" (SatRef). They are located at Tai Po (HKTP) and Quarry Bay (HKQT). These two stations are continuously operating and receiving Network RTK correctional signals from SatRef, the difference between the RTK surveyed coordinates and control coordinates are instantaneously plotted in charts. You may check these results by clicking the IM stations below.