narrow-sector recorder
narrow-sector recorder
[′nar·ō ¦sek·tər ri′kȯrd·ər] (electronics)
A radio direction finder with which atmospherics are received from a limited sector related to the position of the antenna; this antenna is usually rotated continuously and the bearings of the atmospherics recorded automatically.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.