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Old 12th Jan 2019, 18:51
  #25 (permalink)  
pattern_is_full
 
Join Date: Jan 2008
Location: Denver
Posts: 960
Shouldn't affect GPS/IRU navigation, except for updating databases to "conform" to magnetic navigation where needed. Shouldn't affect GPS satellite orbits - those are based on gravity (and maybe solar wind), not magnetism.

The magnetic poles and declination lines are always squirming around - in this case just faster than predicted: https://en.wikipedia.org/wiki/Magnet...90_to_1990.gif

And - yes - VORs can be, and are, updated as needed.
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