Didn't know where to put this, it's not astronomy, so here it sits.
An article on magnetic north, and the various speeds it's been wandering, and how GPS has been updated early.
https://www.forbes.com/sites/trevor...north-pole-has-officially-moved/#42c7631b6862
An article on magnetic north, and the various speeds it's been wandering, and how GPS has been updated early.
https://www.forbes.com/sites/trevor...north-pole-has-officially-moved/#42c7631b6862