VOR

From HFUnderground

VHF Omnidirectional Radio Range or "Omni Range"

Very High Frequency Omnidirectional Radio Range - VHF aircraft band radio navigation system. Widely used, generally replaced (or at least supplanted non-directional beacons (NDBs). Now VOR is being generally replaced (or largely supplanted by) GPS.

Fixed service, 108 MHz to 117.95 MHz, worldwide. The 108-118 portion is often referred to as the "nav" band (see also: ILS, DME).

The ILS service uses frequencies in the 108.1 MHz - 111.95 MHz VHF band (localizer) and a paired frequency in the 328.6 MHz - 335.4 MHz UHF band (glideslope or glide path). See the ILS page for more information.

The VOR system also operates in the 108 MHz - 112 MHz band and the 112.05 MHz - 117.95 MHz band (50 kHz spacing in the 112.050 MHz - 117.950 MHz band).

Since the 108-112 MHz section is shared between the VOR, VOR/DME, VORTAC navigational stations and the ILS service, care must be taken to avoid accidentally tuning into a VOR and trying to use it as an ILS. No, seriously, airplanes have crashed because pilots tuned to a VOR and treated it like a ILS.

The frequency 108.0 MHz may be used for testing purposes only, due to the potential from FM broadcast band interference from FM stations operating on 107.9 MHz.

VOR frequencies

• 108.2 MHz
• 108.25 MHz
• 108.4 MHz
• 108.45 MHz
• 108.6 MHz
• 108.65 MHz
• 108.8 MHz
• 108.85 MHz
• 109.0 MHz
• 109.05 MHz
• 109.25
• 109.4 MHz
• 109.45 MHz
• 109.6 MHz
• 109.65 MHz
• 109.8 MHz
• 109.85 MHz
• 110.0 MHz
• 110.05 MHz
• 110.25
• 110.4 MHz
• 110.45 MHz
• 110.6 MHz
• 110.65 MHz
• 110.8 MHz
• 110.85 MHz
• 111.0 MHz
• 111.05 MHz
• 111.2 MHz
• 111.25 MHz
• 111.4 MHz
• 111.45 MHz
• 111.6 MHz
• 111.65 MHz
• 111.8 MHz
• 111.85 MHz
• 112.0 MHz
• 112.05 MHz
• 112.1 MHz
• 112.15 MHz
• 112.2 MHz
• 117.9 MHz
• 117.95 MHz