The SatRef system provides the following services to users:

• GPS RINEX Data Download:

• GPS Data Automatic Computation :
  
  Users may upload GPS observation files in RINEX format to the system. The system will process the data and perform automatic baseline adjustment to determine your position, and then send back the computation results to you via email.



• Network-RTK and DGPS :
  
  (a) You may use SatRef Network-RTK Service via GSM dataline connection or via internet
  
  (b) You may use SatRef DGPS Service only via internet.
  
  (Please use the SatRef Ntrip Services for receiving correctional signal via internet)
  
  

SatRef Applications

With the data services provided by the SatRef system, the users can apply them in land surveying projects or structural monitoring works for projects which require high precision in real-time. It can also incorporate and integrate with the navigation system on sea or on land to improve the positional accuracy.

Measure building movement and vibration frequency under strong wind

 

Automatic real-time monitoring of a slowly moving slope

 

The Planning Department uses the Network RTK data services to take measurement for enforcement and prosecution of unauthorized development under Town Planning Ordinance.