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Earth’s magnetic North Pole is heading to Russia, what it will do to your GPS?
For those of us who don’t know, WMM is actually a map of Earth’s magnetic field. It “provides precise navigational data for all military and civilian planes, ships, submarines, and GPS units ...
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Earth's Magnetic North Pole Is Officially Moving – Scientists Just Updated Its Location
Now we have a more accurate map of magnetic north ... if you used the old WMM compared to the new WMM for your navigation. That's how much difference it can make, and mapping and logistics ...