For information about Ritchie Compasses, see their FAQ page.
You may also call me or email any time to ask questions.
The three main causes of Compass Error are:
Lubber Line Error
Every navigator should memorize the following list in order from top to bottom:
T V M D C
Read the full deviation article here
Ritchie Compass Repair Center
3006 NE Everett St.Portland, Oregon 97206 (503) 720-6184
Celestial Navigation Education
MODX ® for Portland by Frogabog
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