Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DTV Full Service Digital TV Station
Channel: 47   668 - 674 MHz Licensed 
File Number: 0000053671     Facility ID Number: 12279
Application ID Number: 25076ff362bbf2a10162f7ff26317178
CDBS Application ID: 2015709

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	300		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1525'	465m
Antenna Height Above Ground Level:	1525'	465m
Antenna Height Above Mean Sea Level:	2120'	646.4m

17.99 kW TPO - 0.68 dB line loss + 12.9 dB antenna gain = 300 kW ERP

12.55 dBk TPO - 0.68 dB line loss + 12.9 dB antenna gain = 24.77 dBk ERP

Directional	Antenna ID No.: 33534	Pattern Rotation: 0°
Elec. Beam Tilt: 1°
Antenna Make: AND	Antenna Model: ATW13H4-HSC1-47S
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°  0.850      10°  0.750      20°  0.630      30°  0.520      40°  0.430      50°  0.380

60°  0.380      70°  0.430      80°  0.525      90°  0.640    100°  0.760    110°  0.870

120°  0.940    130°  0.985    140°  1.000    150°  0.980    160°  0.940    170°  0.880

180°  0.830    190°  0.795    200°  0.785    210°  0.810    220°  0.840    230°  0.860

240°  0.860    250°  0.830    260°  0.800    270°  0.775    280°  0.780    290°  0.810

300°  0.860    310°  0.920    320°  0.950    330°  0.970    340°  0.960    350°  0.925

ASRN:	1032959   ULS Data   Other Stations on Tower
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