Diving Tips and Tricks: The Survey Compass and the Pencil Trick

May 29, 2019

British GUE tech and cave instructor John Kendall explains how to hang on to your pencil during those long underwater survey dives.

Are you planning on taking an underwater survey? Well here’s a diving tip from instructor and explorer John Kendall on how not to lose your pencil while task loaded.

Tools needed to collect survey data:

  • Compass
  • Wetnotes or slate
  • String/line
  • Pencils

Tools needed to alter compass:

  • Compass
  • Drill and drill bit
  • Zip Ties
  • Pencil


  • Drill small holes in compass as shown in video
  • Use zip-ties to attach pencil to compass

This makes holding them both much easier. Get more great tips or learn more about diving

at www.johnkendall.com or by watching our other tips and tricks on InDepth.

John Kendall is an avid diving adventurer and explorer. He loves to document interesting dive sites, especially those with archaeological or geological significance using photogrammetry. Although based in the UK, Kendall travels worldwide to teach GUE classes. He enjoys the process of helping divers become the best they can be.

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