Licensee (Owner): CHANNEL 23 LIMITED PARTNERSHIP (Weigel Broadcasting)
Service Designation: DCA Class A Digital TV Station
Channel: 39   620 - 626 MHz Licensed 
File Number: BLDTL-20100804ABG     Facility ID Number: 71425
Application ID Number: ae1b8dde062d4bf484c9cf6212b6c0ea
CDBS Application ID: 1393980

Location: Willis Tower (IL)
41°	52'	44.1"	N	(41.878917)	Latitude
87°	38'	10.2"	W	(-87.636167)	Longitude (NAD83)

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Average Terrain:	1455'	443.51m
Antenna Height Above Ground Level:	1450'	442m
Antenna Height Above Mean Sea Level:	2043'	623m
Emission Mask: Full-Service Filter

2.5 kW TPO + 7.78 dB gain = 15 kW ERP

3.98 dBk TPO + 7.78 dB gain = 11.76 dBk ERP

Directional	Antenna ID No.: 97308	Pattern Rotation: 260°
Antenna Make: DIE	Antenna Model: TLP-4M
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°  0.895      10°  0.908      20°  0.921      30°  0.942      40°  0.974      50°  0.995	60°  0.985      70°  0.940      80°  0.865      90°  0.775    100°  0.684    110°  0.593	120°  0.497    130°  0.392    140°  0.280    150°  0.197    160°  0.184    170°  0.226	180°  0.257    190°  0.227    200°  0.183    210°  0.194    220°  0.278    230°  0.393	240°  0.502    250°  0.599    260°  0.688    270°  0.778    280°  0.873    290°  0.951	300°  0.993    310°  0.998    320°  0.976    330°  0.944    340°  0.918    350°  0.901
307°  1.000

ASRN:	1032959   ULS Data   Other Stations on Tower
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