WBBM-TV

WBBM-TV
ATSC 3.0 station
Chicago, Illinois; United States;
Channels	Digital: 12 (VHF); Virtual: 2;
Branding	CBS Chicago; CBS News Chicago
Programming
Affiliations	2.1: CBS; for others, see § Subchannels;
Ownership
Owner	CBS News and Stations; (CBS Broadcasting Inc.);
History
Founded	August 5, 1940
First air date	September 6, 1946
Former call signs	W9XBK (1940–1946); WBKB (1946–1953);
Former channel number(s)	Analog: 4 (VHF, 1940–1953), 2 (VHF, 1953–2009); Digital: 3 (VHF, 2003–2009);
Former affiliations	Independent (1946–1949); Paramount (1949–1953);
Call sign meaning	Taken from WBBM radio
Technical information
Licensing authority	FCC
Facility ID	9617
ERP	10.9 kW; 29.5 kW (CP);
HAAT	497 m (1,631 ft); 500.4 m (1,642 ft) (CP);
Transmitter coordinates	41°52′44″N 87°38′8″W / 41.87889°N 87.63556°W
Links
Public license information	Public file; LMS;
Website	www.cbsnews.com/chicago/

WBBM-TV (channel 2) is a television station in Chicago, Illinois, United States, serving as the market's CBS network outlet. Owned and operated by the network's CBS News and Stations division, the station maintains studios on West Washington Street in the Loop, and it transmits from atop the Willis Tower.

^ Tubbs, William B. (Autumn 1996). "'We Broadcast Better Music': WBBM Goes on the Air in Lincoln, Illinois". Illinois Historical Journal. 89 (3): 161–174. Retrieved January 9, 2021.
^ "Facility Technical Data for WBBM-TV". Licensing and Management System. Federal Communications Commission.

ATSC 3.0 station

Chicago, Illinois United States
Channels	Digital: 12 (VHF) Virtual: 2
Branding	CBS Chicago; CBS News Chicago
Programming
Affiliations	2.1: CBS for others, see § Subchannels
Ownership
Owner	CBS News and Stations (CBS Broadcasting Inc.)
History
Founded	August 5, 1940 (1940-08-05)
First air date	September 6, 1946 (78 years ago) (1946-09-06)
Former call signs	W9XBK (1940–1946) WBKB (1946–1953)
Former channel number(s)	Analog: 4 (VHF, 1940–1953), 2 (VHF, 1953–2009) Digital: 3 (VHF, 2003–2009)
Former affiliations	Independent (1946–1949) Paramount (1949–1953)
Call sign meaning	Taken from WBBM radio^[1]
Technical information^[2]
Licensing authority	FCC
Facility ID	9617
ERP	10.9 kW 29.5 kW (CP)
HAAT	497 m (1,631 ft) 500.4 m (1,642 ft) (CP)
Transmitter coordinates	41°52′44″N 87°38′8″W / 41.87889°N 87.63556°W / 41.87889; -87.63556
Links
Public license information	Public file LMS
Website	www.cbsnews.com/chicago/