RTK Base Station
The Foundation of High-Precision GNSS Surveying
An RTK (Real-Time Kinematic) Base Station is a fixed GNSS reference receiver installed at a precisely known location. It continuously tracks satellite signals, calculates positioning errors, and transmits real-time correction data to RTK rover receivers, enabling centimeter-level positioning accuracy.
What is an RTK Base Station?
An RTK Base Station acts as a fixed reference point whose coordinates are already known. It continuously measures satellite positioning errors and broadcasts correction data that allows RTK rover receivers to achieve centimeter-level accuracy.
How Does an RTK Base Station Work?
Step 1
Receives satellite signals.
Step 2
Calculates positioning errors.
Step 3
Generates correction data.
Step 4
Transmits corrections via Radio or NTRIP.
Step 5
Rover receives corrections and calculates centimeter-level coordinates.
Types of RTK Base Stations
Portable Base Station
Permanent Base Station
CORS Station
Conclusion
An RTK Base Station is the foundation of modern high-precision surveying. By providing real-time correction data, it enables surveyors to achieve fast, reliable, and centimeter-level positioning for engineering, construction, hydrographic, mining, GIS, and infrastructure projects worldwide.