OMNIDIRECTIONAL RANGE Meaning and
Definition
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Omnidirectional range (VOR) refers to a radio navigation system used in aviation to determine an aircraft's position and track its course. It is a ground-based system consisting of a network of radio beacons that provide a continuous signal in all directions. VOR aids are typically located at airports and other strategic points throughout the world.
The VOR system utilizes phase comparison, or amplitude comparison, to determine the direction of the aircraft relative to the VOR station. By measuring the phase or amplitude difference between the reference and the variable signal, the VOR system generates radials or courses, which are displayed on the aircraft's navigation instruments.
Pilots can select and track a specific radial, or course, as well as measure the angle of deviation from it. This allows for accurate navigation and course tracking during flight. Additionally, the VOR system provides pilots with distance information and can be used to guide the aircraft along a specific path.
Omnidirectional range is an essential tool for pilots, especially in areas where instrument landing systems (ILS) may not be available. It provides reliable navigation data, allowing pilots to determine their position, track routes, and make precise course corrections. The VOR system revolutionized air navigation, offering more accuracy and flexibility compared to earlier systems like non-directional beacons (NDB) and visual navigation.
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Etymology of OMNIDIRECTIONAL RANGE
The term "omnidirectional range" (OR) combines two words: "omni" and "directional".
- "Omni" is derived from the Latin word "omnis", meaning "all" or "every". It is used as a prefix to convey the idea of being all-encompassing or universal.
- "Directional" arises from the Latin word "directio", which means "arranging in a straight line" or "giving direct instructions". In this context, it refers to the ability to determine the direction of something.
When combined, "omnidirectional" suggests the ability to receive or transmit signals or information from or in all directions. In the case of the Omnidirectional Range (OR) system in aviation, it refers to a radio navigation aid that provides pilots with a radial to navigate along different directions within a certain range.
Similar spelling word for OMNIDIRECTIONAL RANGE
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