WDRV is a radio station

Radio station

Radio broadcasting is a one-way wireless transmission over radio waves intended to reach a wide audience. Stations can be linked in radio networks to broadcast a common radio format, either in broadcast syndication or simulcast or both...

 in Chicago, Illinois. The station is currently owned by Hubbard Broadcasting, and simulcasts on WWDV

WWDV

WWDV is a radio station in Zion, Illinois, known as "The Drive". The station is currently owned by Hubbard Broadcasting, and simulcasts with WDRV...

 (96.9 FM

FM broadcasting

FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation to provide high-fidelity sound over broadcast radio. The term "FM band" describes the "frequency band in which FM is used for broadcasting"...

). "The Drive" programs a broad-based classic rock

Classic rock

Classic rock is a radio format which developed from the album-oriented rock format in the early 1980s. In the United States, the classic rock format features music ranging generally from the late 1960s to the late 1980s, primarily focusing on the hard rock genre that peaked in popularity in the...

 format called "Timeless Rock" (similar to the early days of WLUP

WLUP

WLUP-FM is a commercial classic rock radio station serving the Chicago metropolitan area. Owned and operated by Merlin Media, LLC, WLUP transmits its signal from an antenna located the top of the Willis Tower in Downtown Chicago at a height of with an effective radiated power of 4,000 watts...

). WDRV now broadcasts in HD digital radio, with its normal format located at 97.1 HD1, while it airs "Deep Tracks" (deeper album cuts) on 97.1 HD2, as well as streaming both of these on the Internet at wdrv.com.
The 97.1 frequency signed on in 1955 as WNIB

WNIB

WNIB, 97.1 FM , was a classical music radio station that was begun in Chicago, Illinois on July 9, 1955. The frequency was assigned to William C. Florian who began operations and retained ownership until its sale in 2001. The call letters stood for Northern Illinois Broadcasting...

(NIB=Northern Illinois Broadcasting, original owner), playing classical music.