WRNR (AM)
WRNR is a news/talk and sports radio station licensed to Martinsburg, West Virginia, serving the Eastern Panhandle of West Virginia. WRNR is owned and operated by Shenandoah Communications, Inc.
740 AM is a Canadian clear-channel frequency, on which CFZM in Toronto, is the dominant Class A station. WRNR must lower its wattage from sunset to sunrise to protect the nighttime signal of CFZM.