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Chapter Page I Procedures for magnetic compass adjustment check off list
Theory of magnetic compass adjustment
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adjust the heeling aligned amount of Flinders approximate coefficients arrangements of horizontal athwartship azimuth circle binnacle calculated cardinal headings Chapter compass card compass compass compass course compass errors compass headings compass location Compass Record compensation components corrected degaussing circuits degaussing coils deviation curve deviations on compass dip needle dockside earth's magnetic field Flinders bar adjustment Flinders bar length fore-and-aft B magnets fore-and-aft line forward or aft geographic pole gyro compass gyro repeater H.O. Pub heading by compass heeling magnet horizontal soft iron hour angle indicated induced effects induced magnetism intercardinal headings lubber's line magnetic deviation magnetic effects magnetic latitude magnetic meridian Maximum deviation meridian angle Naval Oceanographic Office NAVSHIPS needle induction netic North heading pelorus permanent magnetic field place the ship polarity position procedure resultant ship swings slewing soft iron correctors spheres sun's azimuth tion true heading U.S. Navy unsymmetrical arrangements variation vertical induced