Licensee (Owner): CHANNEL 23 LIMITED PARTNERSHIP (Weigel Broadcasting)
Service Designation: DCA Class A Digital TV Station
Channel: 20   506 - 512 MHz Special Temporary Authority (Expires 03/19/2020) 
File Number: 0000081558     Facility ID Number: 71425
Application ID Number: 25076ff36d2233fd016d263f7ca0050c
CDBS Application ID: 2023042

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

Polarization: Elliptical (E)	Horizontal	Vertical
Effective Radiated Power (ERP):	12	6	kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Average Terrain:	1576'	480.51m
Antenna Height Above Ground Level:	1571'	479m
Antenna Height Above Mean Sea Level:	2166'	660.4m
Emission Mask: Full-Service Filter

Directional	Antenna ID No.: 1004460	Pattern Rotation: 240°
Elec. Beam Tilt: 1°
Antenna Make: Alive	Antenna Model: ALI-ATC-BCSE12C1-U1
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°  0.899      10°  0.900      20°  0.905      30°  0.917      40°  0.936      50°  0.963

60°  0.988      70°  1.000      80°  0.987      90°  0.940    100°  0.854    110°  0.733

120°  0.588    130°  0.437    140°  0.302    150°  0.218    160°  0.207    170°  0.232

180°  0.245    190°  0.232    200°  0.207    210°  0.218    220°  0.302    230°  0.437

240°  0.588    250°  0.733    260°  0.854    270°  0.940    280°  0.987    290°  1.000

300°  0.988    310°  0.963    320°  0.936    330°  0.917    340°  0.905    350°  0.900

ASRN:	1032959   ULS Data   Other Stations on Tower
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