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Old 12th Jan 2019, 09:37
  #11 (permalink)  
DaveReidUK
 
Join Date: Jan 2008
Location: Reading, UK
Posts: 10,570
Originally Posted by The Ancient Geek View Post
The orientation of VOR antennas is fixed at the time of installation and cannot be changed so the radials refer to the magnetic north which existed when installed.
Note that this refers to the LOCAL magnetic field which may or may not be significantly changed by the magnetic pole wandering as described in the article.
I don't think that's correct. Here's an example of VOR radials that have changed in line with shifted magnetic declination:


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