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Thread: Latitude limitations for the use of IRS
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Old 8th May 2019 | 07:33
  #38 (permalink)  
judge.oversteer
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Joined: Jun 2005
Posts: 94
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From: London
How on earth (sorry for the pun) did the USS Nautilus manage to do it so accurately all those years ago?
Remember, they were underneath the polar icecap.
Just asking.
JO.
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