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• n  a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing

• Thus, omnirange signals cannot be picked up dependably beyond the "line of sight.
• Most airports are only equipped with a navigation and approach system called VOR-DME (for very high frequency, omnirange, distance-measuring equipment), which guides a plane into .
• Nicknamed ORDIR (omnirange digital radar), the new signal technique cannot be applied to existing radar systems.

• omnidirectional range
• omnidirectional radio range