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  • S/V Pied Piper - 70 footer

Tel: 847/697-6491


31 N Alfred Ave

Elgin, IL  60123


About Us: Great Lakes Compass  started in 1985 when Bob Peterson purchased the compass business from Charles "Red" Bjurstrom of Elmwood Park.  "Red" provided 20 years of service, and he followed Capt Don K. McRae who was the compass adjuster for Chicago for 25 years.  Great Lakes Compass continues and unbroken chain of compass service reaching back over 75  years.

  • Great Lakes Towing tugs

Bob's Shellback baptism at the Equator aboard the R/V Polarstern, 2011

Past clients:

  •  S/V Bacchant

  • M/V Canim

  • R/V Polarstern

  • R/V Lake Guardian

  • S/V Brig NIagara

  • S/V Denis Sullivan

  • S/V Amoco Procyon

  • many Mack racers
  • many workboats and tugs
  • long list of boatyards
  • most USCG stations

Great Lakes Compass

Adjusting & Repair

Since 1985

providing navigation expertise to Midwest & Great Lakes mariners

BACKGROUND - Bob Peterson



marine carpentry

professional sailing: small boat to 12 meter; 'round buoys & offshore

Celestial Navigation teacher: Adler Planetarium

former IMS measurer for US Sailing

co-author: 'Sailing Yacht Capsize' with Karl Kirkman and Olin Stephens

Engineer: Naval Architecture & Aerospace Engineering

physics teacher: Fermilab Education Office


  • Institute of Navigation

  • American Meteorological Society