WBMX
WBMX (104.3 FM, 104.3 Jams) is a commercial radio station in Chicago, Illinois, serving the Chicago metropolitan area and Northwest Indiana. The station is owned by Audacy, Inc. and airs a classic hip hop radio format.
| Broadcast area | Chicago metropolitan area Northwest Indiana |
|---|---|
| Frequency | 104.3 MHz (HD Radio) |
| Branding | 104.3 Jams (primary) 104.3 BMX Jams (secondary) |
| Programming | |
| Language(s) | English |
| Format | Classic hip-hop |
| Subchannels | HD2: Sports radio (WSCR) |
| Affiliations | Compass Media Networks |
| Ownership | |
| Owner |
|
| WBBM, WBBM-FM, WCFS-FM, WSCR, WUSN, WXRT | |
| History | |
First air date | September 1953 |
Former call signs | WSEL (1953–1960) WJJD-FM (1960–1977) WJEZ (1977–1984) WJMK (1984–2017) |
Call sign meaning | "Black Music EXperience" (trading off former call letters of WVAZ) |
| Technical information | |
Licensing authority | FCC |
| Facility ID | 28621 |
| Class | B |
| ERP | 4,100 watts (analog) 163 watts (digital) |
| HAAT | 480 meters (1,570 ft) |
Transmitter coordinates | 41°52′44.1″N 87°38′08.2″W |
| Links | |
Public license information | |
| Webcast | Listen live (via Audacy) |
| Website | www |
WBMX's studios and offices are located at Two Prudential Plaza in the Chicago Loop. The station has an effective radiated power (ERP) of 4,100 watts, with its transmitter atop the Willis Tower (formerly Sears Tower). WBMX broadcasts in the HD Radio format, with its HD2 signal simulcasting the sports radio format on co-owned WSCR.
From 1974 to 1988, the call letters WBMX were held by 102.7 FM, licensed to Oak Park, Illinois (now Urban AC station WVAZ). On December 4, 2017, the call letters were transferred from Boston to 104.3 FM in Chicago.