Conventional GPS on drones are good for basic navigation, but only get about 4-5 feet of accuracy. If you have an application that requires inch level precision, this just wouldn’t cut it. Thankfully, a proper RTK GPS set up can be used to get inch level precision. Until very recently, RTK GPS used to cost thousands of dollars. Today, you can get a module for $250 bucks.

But will it work on a drone? Getting the inch level accurate GPS coordinates are one thing, but can the autopilot use it for say… a novel approach to precision landing? Precision landing is a requirement for many drone delivery applications. The current standard for achieving precision landing (consistent lands under say.. a foot), are IR Lock and Computer Vision algorithms tracking an aruco marker.

https://dojofordrones.com/diy-rtk-gps...

If precision landing could be conducted with just an RTK GPS module, it would be a GAME CHANGER for drones. But can a pure RTK GPS solution to precision landing actually match the performance of other standards? That’s what we investigate in this video.

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WANT TO LEARN HOW TO BUILD THIS DRONE, OR NERD OUT ON ALL THINGS RTK GPS AND ROBOTICS? Check out our Blue Belt Membership, which gives you access to ALL of our 9 robot courses (including “RTK GPS for Inch Level Precision”, “How To Build A Raspberry Pi Drone”, “Drone Programming Primer”) and ALL of our 6 projects, getting the code to things like 4G Drone Control, voice controlled robotics, and a ton more.

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0:00 Introduction
2:31 Field Testing Normal GPS
9:49 Upgrading The Drone With RTK GPS
14:19 RTK GPS Field Testing
20:26 Conclusion