NOUN
- a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
How To Use radio beam In A Sentence
- The spacecraft also examined the properties of the Venusian atmosphere in ultra-violet light and measured how radio beams are deflected by the clouds.
- Philip Parker s content extruder has written tens of thousands of books, created a directory of tropical plants that didn t exist and has radio beaming out to farmers in poor third-world nations -- all of which is fully automated. Jeff Jarvis: Davos 2011: Too Little Content
- Ironically, the detailed reasons as to how the radio beam is produced may not be important astronomically .