Your navigation system just got a critical update, one that happens periodically because Earth’s magnetic north pole keeps moving. Here’s what to know.

However, the latest update is quite special because it’s going to significantly change how compass needles and navigation systems work. The recent WMM update reveals that Earth’s magnetic ...

The WMM is the standard model used by the U.S ... So we make a better prediction with five years more information to work from, and just update the prediction going forward.” ...

In about every five years, the U.S. National Oceanic and Atmospheric Administration (NOAA) and the British Geological Survey update the World Magnetic Model (WMM). However, the latest update is ...