Which of the following statements about VOR stations is true?

VOR stations, or VHF Omnidirectional Range stations, are essential components of the aviation navigation system. Their primary function is to provide horizontal navigation information to aircraft. This is achieved by broadcasting a radio signal that allows pilots to determine their position relative to the station and to navigate along specific flight paths based on this information.

While altitude and operation timings can be important in aviation, VOR stations specifically do not measure altitude; they are focused on providing a directional signal. Moreover, they do not have restrictions for daytime operation; they operate continuously. Also, VOR stations transmit on multiple frequencies that can be used to provide coverage across different areas and ensure that pilots can receive navigational aids from various sources. Understanding these functions highlights the distinction of VOR capabilities in the context of aviation navigation.