- A radio navigation system in which each of its multiple stations transmit signals which provide bearings in all directions to and from the transmitter. Such a transmitter emits beacon signals of equal strength in all directions along a given plane, which provide directional guidance within a given area. A common example is VOR. Used extensively by pilots and aircraft. Also spelled omnidirectional range. Its abbreviation is omnirange. Also called omnidirectional radio range.
- synonym omni-directional radio range
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