Radio beacon
RADIO TRANSMITTER TO IDENTIFY A LOCATION FOR NAVIGATION AID
Radio beacons; Radio Beacon; Radiobeacon; Radio beacon station; Electric beacon; Radiobeacon station
In navigation, a radio beacon or radiobeacon is a kind of beacon, a device that marks a fixed location and allows direction-finding equipment to find relative bearing. But instead of employing visible light, radio beacons transmit electromagnetic radiation in the radio wave band.