Four of us hunch over a screen with the radio operator. We're looking at AIS (Automatic Identification System) information, a tracking system used to locate vessels. 
In fact, anyone can see a basic version of this information online. But there's a reason we're freezing our arses off here in the Arctic rather than checking the information, slipper-clad, from our sofas.         

 
      
 
       
      
 
      
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