WBMX

WBMX
Broadcast area
Frequency104.3 MHz (HD Radio)
Branding
  • 104.3 Jams (primary)
  • 104.3 BMX Jams (secondary)
Programming
LanguageEnglish
FormatClassic hip hop
SubchannelsHD2: Sports radio (WSCR)
AffiliationsCompass Media Networks
Ownership
Owner
WBBM, WBBM-FM, WCFS-FM, WSCR, WUSN, WXRT
History
First air date
September 1953 (1953-09)
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 ID28621
ClassB
ERP
  • 4,100 watts (analog)
  • 163 watts (digital)
HAAT480 meters (1,570 ft)
Transmitter coordinates
41°52′44.1″N 87°38′8.2″W / 41.878917°N 87.635611°W / 41.878917; -87.635611
Links
Public license information
WebcastListen live (via Audacy)
Websitewww.audacy.com/1043jams

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.

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.