Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Construction Permit (Expires 01/30/2026) 
File Number: 0000207079     Facility ID Number: 9617
Application ID Number: 25076f9185bffa720185c01a9af30000
CDBS Application ID: 2050861

Location: Willis Tower (IL)
41°	52'	44"	N	(41.878889)	Latitude
87°	38'	8"	W	(-87.635556)	Longitude (NAD83)

Polarization: Elliptical (E)	Horizontal	Vertical
Effective Radiated Power (ERP):	30	19.4	kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1610'	491m
Antenna Height Above Ground Level:	1604'	489m
Antenna Height Above Mean Sea Level:	2198'	670m

Directional	Antenna ID No.: 1010379	Pattern Rotation: 0°
Elec. Beam Tilt: 1.2°
Antenna Make: ERI	Antenna Model: ETV3H4-ESP4O-12
Relative Field values for directional antenna		Relative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.

0°  0.746      10°  0.648      20°  0.759      30°  0.874      40°  0.833      50°  0.772	60°  0.865      70°  0.961      80°  0.895      90°  0.673    100°  0.526    110°  0.602	120°  0.694    130°  0.643    140°  0.565    150°  0.666    160°  0.866    170°  0.957	180°  0.869    190°  0.769    200°  0.789    210°  0.858    220°  0.802    230°  0.733	240°  0.834    250°  0.978    260°  0.977    270°  0.820    280°  0.707    290°  0.753	300°  0.837    310°  0.798    320°  0.762    330°  0.874    340°  0.991    350°  0.947
72°  0.964	102°  0.524	254°  1.000	344°  0.997

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	10,196,765
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000207079
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS