WCHI-FM

WCHI-FM (95.5 MHz) is a mainstream rock formatted radio station located in Chicago, Illinois, owned and operated by iHeartMedia. WCHI-FM has studios located at the Illinois Center complex on Michigan Avenue in Downtown Chicago, and it broadcasts from a 5.3 kW transmitter based atop John Hancock Center.

WCHI-FM
Broadcast areaChicago metropolitan area
Frequency95.5 MHz (HD Radio)
BrandingRock 95.5
Programming
Language(s)English
FormatMainstream rock
Subchannels
Ownership
Owner
History
First air date
March 9, 1959 (1959-03-09)
Former call signs
  • WDHF (1959–1976)
  • WMET (1976–1986)
  • WRXR (1986–1987)
  • WNUA (1987–2015)
  • WEBG (2015–2020)
Call sign meaning
Chicago
Technical information
Licensing authority
FCC
Facility ID53971
ClassB
ERP
  • 5,300 watts (analog)
  • 212 watts (digital)
HAAT425 meters (1,394 ft)
Transmitter coordinates
41.899°N 87.623°W / 41.899; -87.623
Links
Public license information
Webcast
Websiterock955chi.iheart.com
big955chicago.iheart.com (HD2)

WCHI-FM broadcasts three channels in the HD Radio format.

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