sense switch[′sens ‚swich]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A switch in the direction finder that introduces a sensing circuit in the receiver. It is used to determine the true null position and helps in resolving 180° ambiguity. Such a switch is found in the older manually operated as well as older automatic direction finders. See sense aerial.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved