Meaning of radio range beacon

ra'dio range' bea"con

Pronunciation: [key]
  1. a radio transmitter that utilizes two or more directional antennas and transmits signals differing with direction, permitting a flier receiving a signal to determine his or her approximate bearing from the transmitter without a radio compass.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.