Navigating Without a Compass: Why I’m Watching the ZED-X20D

I’ve been working with GNSS for long enough to remember when getting a reliable heading meant babying a magnetometer and praying there wasn’t a steel beam anywhere nearby. A couple of years ago, we were testing an autonomous warehouse rover in a hangar—cold, echoey, full of metal shelving. The heading kept drifting, sometimes by 15 […]