Questions and Answers
What does VOR stand for?
Very High Frequency Omni-Directional Range
Does a VOR have a CDI?
True
How many degrees is each notch on the face?
2 Degrees
Is it a fly to / from CDI instrument?
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What is Ground Station Error?
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What is Site Effect Error?
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What is the Terrain Effect?
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What is Airborne Equipment Error?
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What is Vertical Polarisation?
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VOR signals are sent vertical / horizontal?
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VOR signals are not sent vertical / horizontal?
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What is Aggregate Error?
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What is scalloping?
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Study Notes
VOR Overview
- VOR stands for Very High Frequency Omni-Directional Range, a type of radio navigation system.
- Utilizes radio signals to determine aircraft position and assist in navigation.
Instrumentation
- VOR systems include a Course Deviation Indicator (CDI) to indicate the aircraft's position relative to the desired course.
- Each notch on the VOR face represents 2 degrees of heading.
Navigation Functionality
- The CDI instrument indicates whether to fly to or from the VOR station; the standard operation is "To."
Error Types
- Ground Station Error relates to misalignments or inaccuracies based on the physical location of the VOR station.
- Site Effect Error is influenced by the station's topographical setting, affecting signal quality.
- Terrain Effect occurs when the signal is reflected by terrain, resulting in interference or distortion known as a rippling effect.
Equipment Issues
- Airborne Equipment Error refers to problems with the aircraft's receiver impacting navigation accuracy.
- Vertical Polarisation describes the phenomenon where signals from the VOR hit the terrain and become vertical.
- VOR signals are primarily transmitted horizontally, not vertically.
Signal Characteristics
- Scalloping refers to the oscillation of the VOR signal from side to side horizontally, which could affect navigation messages.
- Aggregate Error is the total accumulation of all individual errors impacting the accuracy of the VOR signal.
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Description
Test your knowledge on VOR (Very High Frequency Omni-Directional Range) concepts with these flashcards. Each card addresses key aspects like the function of a VOR, its CDI, and technical specifics like Ground Station Error. Perfect for aviation students and enthusiasts alike.