Encyclopedia

active location system

active location system

[′ak·tiv lō′kā·shən ‚sis·təm]
(navigation)
A navigation system in which the navigation satellite interrogates the craft, and the craft responds; useful for surveillance by a ground station, or for automated navigation if the satellite subsequently transmits data.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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