WBBM-TV CHICAGO, IL

Display Channel	Video	Call Sign	Nickname	Notes
02-1	12.1	1080p	DD5.1	WBBM-NG	CBS	"CBS 2"	(WGN-TV 02-1)
05-1	12.2	1080p	DD5.1	WMAQ-NG	NBC	"NBC 5 Chicago"	(WMAQ-TV 05-1)
09-1	12.5	1080p	DD5.1	WGN-NG	CW	"WGN"	(WGN-TV 09-1)
32-1	12.4	1080p	DD5.1	WFLD-NG	FOX	"Fox Chicago"	(WFLD 32-1)
66-1	12.3	1080p	DD5.1	WGBO-NG	Univision	"Univision Chicago"	(WGBO-DT 66-1)

FAC-ID: 9617

FCC Links:	FCC Query LMS Query FCC Station Profile
Other Links:	RabbitEars TV Query [A] REC Query FCCInfo Search

DTV-LIC:

Granted

Channel 12

CHICAGO, IL

0000249867 (25076ff3905469b40190978405163e97) - App
0000263393 (25076f9193dc1c7201942ccf316d5e0f) - App

(TVStudy TL Pop: 10,419,334)

1642' 29.5 kW ND (H)
(6.93 kW + 6.29 dB gain = 29.5 kW ERP)
72.1 mile contour / 16351.1 sq. mi. area / Est. Pop. 10,495,340
1636' AGL; 2231' AMSL; (1032960)
1° Elec Beam Tilt; Full Service Filter Harris TAD-5H
NAD83: N 41° 52' 44", W 87° 38' 8" (41.878889, -87.635556) Willis Tower (IL)

DTX-LIC:

Granted

Channel 12

CHICAGO, IL

0000265226 (25076f91948a77fe01948aafa95d0484) - App
0000267301 (25076ff394cc109f0194d5f6ac5c1042) - App

(TVStudy TL Pop: 10,088,036)

1522' 25.6 kW DA (H)
(6.98 kW + 5.64 dB gain = 25.6 kW ERP)
63.2 mile contour / 12556 sq. mi. area / Est. Pop. 9,963,606
1519' AGL; 2114' AMSL; (1032959)
Unknown or 0° Elec Beam Tilt; Full Service Filter [H-Pat] RCA TBF-2AH (SPECIAL)
NAD83: N 41° 52' 44.1", W 87° 38' 10.2" (41.878917, -87.636167) Willis Tower (IL)

DTX-LIC:

Granted

Channel 12

CHICAGO, IL

0000265214 (25076f91948a77fe01948aa0c606026e) - App
0000270876 (25076ff394cc109f0194d5e598b30fd0) - App

(TVStudy TL Pop: 10,033,870)

1370' 32 kW DA (E) (Vertical ERP: 25.6 kW)
(9.2 kW + 5.41 dB gain = 32 kW ERP)
64.3 mile contour / 13006.6 sq. mi. area / Est. Pop. 9,936,930
1367' AGL; 1960' AMSL; (1009012)
2° Elec Beam Tilt; Full Service Filter [H-Pat] Dielectric TLS-V4M/VP-R
NAD83: N 41° 53' 56.1", W 87° 37' 23.2" (41.898917, -87.623111) John Hancock Tower (IL)

DTV-CP:

Granted

Channel 12

CHICAGO, IL

0000284580 (25076ff39ae65435019affcc2ab9125b) - App - (Exp. 12/16/2028)

(TVStudy TL Pop: 10,415,769)

1611' 31 kW ND (C) (Vertical ERP: 31 kW)
72.1 mile contour / 16345.5 sq. mi. area / Est. Pop. 10,495,571
1605' AGL; 2200' AMSL; (1032960)
1.15° Elec Beam Tilt; Full Service Filter Dielectric DCBR-O3-5/15HB-1
NAD83: N 41° 52' 44", W 87° 38' 8" (41.878889, -87.635556) Willis Tower (IL)

Streams

BSID:	Assigned	Observed L1	Observed SLT
	998 (0x03E6)		998 (0x03E6)

Phys Ch	Disp Ch	Call Sign	Src ID	PMT PID	Video	Dimensions	Aspect Ratio	Video PID	Video (Mbps)	PCR PID	Audio Type	Audio PID	Audio Bitrate
12.1	02-1	WBBM-NG	1	0x0030	1080p	1920x1080	16:9	0x0031	0Mbps	0x0031	DD5.1	0x0034	192kbps
12.2	05-1	WMAQ-NG	2	0x0040	1080p	1920x1080	16:9	0x0041	0Mbps	0x0041	DD5.1	0x0044	192kbps
12.3	66-1	WGBO-NG	3	0x0050	1080p	1920x1080	16:9	0x0051	0Mbps	0x0051	DD5.1	0x0054	192kbps
12.4	32-1	WFLD-NG	4	0x0060	1080p	1920x1080	16:9	0x0061	0Mbps	0x0061	DD5.1	0x0064	192kbps
12.5	09-1	WGN-NG	5	0x0070	1080p	1920x1080	16:9	0x0071	0Mbps	0x0071	DD5.1	0x0074	192kbps

Bitrate Allocation: Variable

RENDER Data:	Date	PLP(s)	Type
	01/30/2026	0	Debug
	10/18/2025	0	STLTP
	09/15/2025	0	Debug

Ownership/Historical

Operator:	CBS Corporation
Licensee:	CBS BROADCASTING INC.
DTV Transition:
Certification :	Analog channel 2. Digital channel 3.
Elected Round 1 :	Negotiated for channel 11 with fallback to channel 3 if agreement was disapproved. (Approved)
Conflict Round 1 :	Maintained by engineering statement. (Approved)
Final Channel :	Channel 12.
Last Analog:
Channel 2 :	1490' 26.4 kW ND

Call Sign History:
00/00/0000	WBBM	World's Best Battery Maker
08/28/1979	WBBM-TV	World's Best Battery Maker
(01/26/2024)	WBBM-TV
(11/07/2024)	WBBM-TV
(01/28/2025)	WBBM-TV

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