3 ms·
IIRC, non-uniform magnetic variation in northwest New Mexico: not aliens or jamming. Just some differences in composition of the Earth around there. In additio
by watersb 5y ago
IIRC, non-uniform magnetic variation in northwest New Mexico: not aliens or jamming. Just some differences in composition of the Earth around there.
In addition to the drift of magnetic north, it's important to keep in mind that there are local variations. These are indicated on aeronautical charts but take some getting used to.