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conversion angle[kən′vər·zhən ‚aŋ·gəl]
The angle between the rhumb line and the great circle between two points. Also known as arc to chord correction; half-convergency.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An angle between a great-circle bearing and the rhumb-line bearing of a common point measured at a common origin.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved