28/05/2026
This is a CORS, a Continuously Operating Reference Station and if you’ve ever achieved RTK accuracy on site without setting up a base station, this is the infrastructure that made it possible.
A CORS is a permanently fixed GNSS reference station. It sits in one location, locked onto known coordinates, and runs continuously by receiving signals from every major satellite constellation and broadcasting real-time differential corrections to rovers in the field via NTRIP. Day and night. Rain or shine. Whether you’re on site or not.
For the surveyor in the field, the impact is immediate. No base station setup. No waiting for a fixed solution before work begins. No extra equipment to carry, power, or babysit on site. You power up your rover, connect to the nearest CORS via your data SIM, and you’re already at centimeter-level accuracy before you take your first shot.
That’s not just convenient, it’s a genuine operational advantage. Faster mobilisation. Lower equipment overhead. Cleaner data. And on large projects where your rover needs to cover serious ground, CORS networks maintain that accuracy across the entire area without you repositioning a base every few kilometers.
In Nigeria, CORS infrastructure is still developing but the surveyors and firms already plugged into available networks are quietly outperforming those still running traditional setups. The gap in efficiency is real, and it’s only going to widen.
At FOCAGEO, we supply GNSS rovers built to connect to CORS networks straight out of the box with multi-constellation, tilt-compensated, and field-ready from day one. If your current equipment isn’t taking advantage of this infrastructure, it’s time we had a conversation.
Drop your questions in the comments, we read every one. 👇
