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Chart & Reality
  Photograph by Martin Hansen

  

Chart & Reality

My up-to-date chart indicated a half tide depth of around (11 + 2.5 = ) 13.5 metres so the depth sounder's reading of 11.7 metres was less than expected. For the future, I resolved to also note the GPS coordinates of Tramontana's position as she passed a buoy to check the buoy's location corresponded with that charted.
 

  
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