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    Re: Magnetic variation changing faster than anticipated
    From: Frank Reed
    Date: 2019 Feb 25, 12:47 -0800

    Paul Hughes, you wrote:
    "I have just brought a 250K tonne vessel across the North Sea with no electrics, a magnetic compass, an oil lamp, and the MkI eyeball."

    Are you a pirate? 'cause that sounds illegal! Heh. :) Illegal or not, did you at least have a smartphone with you for GPS backup -- in the event of eyeball failure?

    Oh, and was it really 250k tonnes? A supertanker?! Or maybe 250 tonnes? ...a not-so-supertanker. 

    Frank Reed

       
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