Its studios are in Hunt Valley and its broadcast tower is located near Owings Mills at (39°26′49.9″N 76°46′47.2″W / 39.447194°N 76.779778°W / 39.447194; -76.779778).

[2] The station's service contour covers the Baltimore metropolitan area and southern portions of South Central Pennsylvania.

Engineer Russ Morgan signed on the station for the first time on November 1, 1959, as WTTR-FM.

[4][5] Shamrock Communications purchased the station on April 7, 1981, and changed the format to easy listening.

[16] The minimum distance between two Class B stations operating on the same channel according to current FCC rules is 150 miles.