VOR Cone of Confusion

I recently got an email from a user of Nav Trainer asking what the red lines represent on the sides of the VOR station symbols.

Those red lines represent areas where the VOR signal is ambiguous and the VOR display is unreliable.

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C172S (SP) Skyhawk orientation

The Cessna 172 is the most popular general aviation training airplane. This document is a summary of technical information about the SP model of the aircraft.

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