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For the airport in Bario, Sarawak, Malaysia, assigned ICAO code WBGZ, see Bario Airport.
WBGZ (AM) logo.jpg
City of license Alton, Illinois
Broadcast area St. Louis, Missouri
Branding The Big Z
Slogan "Radio for the River Bend"
Frequency 1570 kHz AM
Format Talk radio
Power 1,000 watts day
74 watts night
Class D
Facility ID 41384
Transmitter coordinates 38°55′44.00″N 90°13′3.00″W / 38.9288889°N 90.2175000°W / 38.9288889; -90.2175000
Affiliations Salem Radio Network
Owner Metroplex Communications, Inc.
Website wbgzradio.com

WBGZ (1570 AM, "The Big Z") is a radio station broadcasting a News Talk Information format. Licensed to Alton, Illinois, United States, the station serves the northern St. Louis, Missouri and Metro-East areas. The station is currently owned by Metroplex Communications, Inc..[1]

The station's slogan is "Radio for the River Bend." It broadcasts local news, sports, and talk, primarily for the greater Alton area. Broadcasting for more than 50 years, the station was originally known as WOKZ, until it was changed to its current call letters in 1984. It has a 24 hour talk format with two daily talk shows, a morning and afternoon drive show, local weekend programming, including a popular outdoors show, and other various programs. The signal can be easily heard in northern St. Louis County in Missouri, as well as in portions of southwestern Illinois.


WOKZ began broadcasting February 4, 1948. It was owned by the Illinois-Alton Broadcasting Company.[2]


  1. ^ "WBGZ Facility Record". United States Federal Communications Commission, audio division. 
  2. ^ "WOKZ-FM Alton, 99.9 mc Is Now in Operation". Broadcasting. June 28, 1948. Retrieved 21 December 2014. 

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