master compass

master compass

[′mas·tər ′käm·pəs]
(navigation)
That part of a remote-indicating compass system which determines direction for transmission to various repeaters.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The navigator went back to the master compass [onboard the aircraft] and he didn't come back.
Keeping his memories alive: James MacGregor: Royal Canadian Air Force: Second World War
The master compass operates repeaters located in different parts of the ship.
A few pointers; Maritime Tales by Stephen Guy of Merseyside Maritime Museum

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