- radio beacon.
- a radar device at a fixed location that, upon receiving a radar pulse, transmits a reply pulse that enables the original sender to determine his or her position relative to the fixed location.
Origin of beacon
OTHER WORDS FROM beaconbea·con·less, adjectiveun·bea·coned, adjective
Other definitions for beacon (2 of 2)
How to use beacon in a sentence
As a pulsar rotates, it sweeps a beam of radio waves around in space like a lighthouse, which appears to Earth as a radio beacon flickering on and off.
To my astronomy-riddled graduate brain, Michael was a beacon to a promised land of scientific wonders without borders.Five Scientists on the Heroes Who Changed Their Lives - Issue 93: Forerunners|Alan Lightman, Hope Jahren, Robert Sapolsky,|December 2, 2020|Nautilus
If someone with whom you’ve exchanged beacons reports a positive coronavirus test, the system alerts you so you can get checked yourself.
Personal locator beacons employ satellites to transmit a help signal.
Trebek and the show — the two difficult now to divorce — were a beacon of democratic ideals, flattening the world for all to consume.Remembering Alex Trebek, The Man With All The Answers|Oliver Roeder|November 9, 2020|FiveThirtyEight
My heart cleaved the eternity of separation, beaconing my sad return to them, and I followed gladly, hope being not yet dead.
The light of a great love shone out of the wonderful deeps of them, beaconing the way clear into the haven of her heart.Lochinvar|S. R. Crockett
They hold and send forth the beaconing flash from every intellectual and loving light-house in the world.The Cassowary|Stanley Waterloo