How To Use RTK GPS On A ROS Robot

Jason Bowling
Exploring ROS Robotics
7 min readNov 15, 2023

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Get accurate positioning down to 14 mm!

The Sparkfun Zed-F9P with antenna, ground plane, serial converter, and IMU installed

A typical GPS receiver module outputs a position accurate to about 2 meters/6 feet, which is remarkable for such an inexpensive device. However, it’s not good enough to be used as a sole reference point for applications like agriculture, surveying, or mowing. Using RTK GPS, it is possible to get accuracies as good as 14 mm/.55 inch. If you’d like to learn how to…

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