Plain English Meaning
A radio beacon on the ground that broadcasts in every direction. An airplane's instrument can read the signal and tell the pilot which direction the station is from the aircraft, and which path leads straight to or away from it.
Full Definition
A ground-based radio navigation aid that transmits signals in all directions on Very High Frequency (VHF), allowing aircraft equipped with a VOR receiver to determine their bearing to or from the station along any of 360 selectable courses called radials.
Context Anchor
Pilots encounter VORs when tuning navigation radios, following instrument routes, checking position, or using a VOR as a backup to .