chart convergence

chart convergence

[′chart kən′vər·jəns]
(mapping)
Convergence of the meridians as shown on a chart.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

chart convergence

chart convergenceclick for a larger image
The angle one meridian makes with another on a projection. If the meridians are represented by straight lines, the chart convergence will be constant. If they are curved, it will differ from point to point.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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