Licensee (Owner): Windy City Broadcasting, LLC
Service Designation: FX FM Translator
Channel: 280   103.9 MHz Construction Permit (Expires 09/01/2025) 
File Number: 0000215229     Facility ID Number: 140763
Application ID Number: 25076ff3884ab7ad01885574a61604f1
Class: D

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):	0.09		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Average Terrain:	1425'	434.48m
Antenna Height Above Ground Level:	1417'	432m
Antenna Height Above Mean Sea Level:	2012'	613.4m
Emission Mask: Simple Filter

Directional	Antenna ID No.:	Pattern Rotation: 0°
Antenna Make: PSI	Antenna Model: Dual Log Periodic
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°  1.000      10°  1.000      20°  1.000      30°  0.900      40°  0.750      50°  0.527	60°  0.438      70°  0.418      80°  0.400      90°  0.400    100°  0.400    110°  0.400	120°  0.400    130°  0.400    140°  0.400    150°  0.350    160°  0.340    170°  0.380	180°  0.560    190°  0.748    200°  0.888    210°  1.000    220°  1.000    230°  1.000	240°  0.990    250°  0.910    260°  0.690    270°  0.360    280°  0.260    290°  0.245	300°  0.260    310°  0.330    320°  0.540    330°  0.830    340°  0.980    350°  1.000
175°  0.450	275°  0.300

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	3,342,413
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