locator

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locator

[′lō‚kād·ər]
(engineering)
A radar or other device designed to detect and locate airborne aircraft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Locator

 

a device for determining the position of an object by means of sound or electromagnetic waves reflected from the object or radiation emanating from it. The main categories of locators are sonar, radar, and optical locators. Optical locators usually use lasers as radiation sources.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

locator

i. An MF/LF (medium frequency/low frequency) nondirectional beacon used as an aid to final approach.
ii. A portable radio beacon, operating on 121.5/243/406 MHz, carried on the person or in a parachute harness. It may also have a voice facility. It is an aid to locating a downed pilot.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved