Plain English Meaning
A ground-based radio navigation beacon at Ephrata, Washington, that pilots tune in to fix their position or fly a published route. It shows up by name on charts and arrival procedures.
Full Definition
A specific VHF Omnidirectional Range (VOR) navigation station located at Ephrata, Washington, used as a fix or waypoint on instrument procedures including Standard Terminal Arrival Routes (STARs) in the northwestern United States. It transmits radio signals that allow properly equipped aircraft to determine their to or from the station.