In RTK surveys, how are differential corrections received?

In RTK surveys, how are differential corrections received?

• A. Corrections are provided in real time via radio or cellular modem from the base station.
• B. Only through post-processing after fieldwork.
• C. Through manual calculation at the end of the day.
• D. They are not required for RTK.

Answer: (B)

RTK relies on real-time differential corrections that come from a base station at a known location. These corrections are transmitted to the rover in real time, typically over a radio link or a cellular data connection, so the rover can apply them immediately to carrier-phase measurements and achieve centimeter-level positioning as you survey. Post-processing after fieldwork is used in other workflows (like PPK or when real-time links aren’t available), but it does not describe how RTK corrections are received during active surveying.

RTK relies on real-time differential corrections that come from a base station at a known location. These corrections are transmitted to the rover in real time, typically over a radio link or a cellular data connection, so the rover can apply them immediately to carrier-phase measurements and achieve centimeter-level positioning as you survey. Post-processing after fieldwork is used in other workflows (like PPK or when real-time links aren’t available), but it does not describe how RTK corrections are received during active surveying.