lubber's-line error

lubber's-line error

[′ləb·ərz ‚līn ‚er·ər]
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In a magnetic compass, the angular difference between the heading as indicated by a lubber's line, and the actual heading; this error is caused by faulty calibration.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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