Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Construction Permit (Expires 08/28/2019) 
File Number: BXPCDT-20141212AAI     Facility ID Number: 9617
Application ID Number: 4c832fa3b06948a5816fcf6212b6c0ea
CDBS Application ID: 1664615

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	7.2		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1522'	464m
Antenna Height Above Ground Level:	1519'	463.1m
Antenna Height Above Mean Sea Level:	2114'	644.5m

Directional	Antenna ID No.: 120403	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      10°  0.460      20°  0.300      30°  0.200      40°  0.150      50°  0.110

60°  0.100      70°  0.110      80°  0.150      90°  0.200    100°  0.300    110°  0.460

120°  0.625    130°  0.775    140°  0.890    150°  0.970    160°  1.000    170°  1.000

180°  0.960    190°  0.870    200°  0.740    210°  0.620    220°  0.555    230°  0.555

240°  0.870    250°  0.560    260°  0.555    270°  0.620    280°  0.740    290°  0.870

300°  0.960    310°  1.000    320°  1.000    330°  0.975    340°  0.900    350°  0.780

ASRN:	1032960   ULS Data   Other Stations on Tower
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