Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DTX Digital Auxiliary Facility
Channel: 47   668 - 674 MHz Licensed 
File Number: BXLEDT-20040311ACL     Facility ID Number: 10802
Application ID Number: ad26ca0c998341f0858ccf6212b6c0ea
CDBS Application ID: 978278

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):	150		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1555'	474m
Antenna Height Above Ground Level:	1555'	474m
Antenna Height Above Mean Sea Level:	2150'	655.4m

5.56 kW TPO - 0.6 dB line loss + 14.91 dB antenna gain = 150 kW ERP

7.45 dBk TPO - 0.6 dB line loss + 14.91 dB antenna gain = 21.76 dBk ERP

Directional	Antenna ID No.: 65182	Pattern Rotation: 0°
Elec. Beam Tilt: 1°
Antenna Make: RFS	Antenna Model: PHP24C
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°  0.500      10°  0.360      20°  0.270      30°  0.220      40°  0.210      50°  0.180

60°  0.100      70°  0.140      80°  0.270      90°  0.380    100°  0.490    110°  0.650

120°  0.800    130°  0.940    140°  1.000    150°  0.950    160°  0.880    170°  0.920

180°  0.940    190°  0.880    200°  0.820    210°  0.850    220°  0.940    230°  0.970

240°  0.900    250°  0.800    260°  0.830    270°  0.950    280°  1.000    290°  0.920

300°  0.870    310°  0.930    320°  0.960    330°  0.900    340°  0.780    350°  0.640

ASRN:	1032960   ULS Data   Other Stations on Tower
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