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1. Christmas_Man (christmas_man@thebag.social)'s status on Saturday, 21-Oct-2023 10:31:08 JST Christmas_Man

   in reply to
   Spending a period of time in an environment with a sufficiently uniform magnetic field would explain such a phenomenon.
   
   A few examples:
   - Being a pilot seated in the same position with relatively steady orientation WRT the electronics around you for a few hours.
   - Flying a course of a fairly consistent bearing relative to the earths magnetic field while being high enough to avoid the constantly changing EM interference of surface electronics.
   - Being stored near a wall with electrical wiring inside carrying a constant load.
   
   It doesn't take much to magnetize the iron in steel. You can magnetize an iron bar just by aligning it with the earths magnetic poles and striking on the end with a hammer a few times.