Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DTV Full Service Digital TV Station
Channel: 21   512 - 518 MHz Construction Permit (Expires 12/01/2021) 
File Number: BPEDT-20000428ACO     Facility ID Number: 12279
Application ID Number: 416817b32ccb4803a1a5cf6212b6c0ea
CDBS Application ID: 500683

Location: John Hancock Tower (IL)
41°	53'	56.1"	N	(41.898917)	Latitude
87°	37'	23.2"	W	(-87.623111)	Longitude (NAD83)

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	98.9		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1240'	378m
Antenna Height Above Ground Level:	1237'	377m
Antenna Height Above Mean Sea Level:	1829'	557.7m

Directional	Antenna ID No.: 33366	Pattern Rotation: 225°
Elec. Beam Tilt: 0.75°
Antenna Make: AND	Antenna Model: ATW25H5-HSC2L-20H
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°  0.869      10°  0.874      20°  0.895      30°  0.935      40°  0.974      50°  0.998	60°  0.999      70°  0.979      80°  0.929      90°  0.856    100°  0.763    110°  0.651	120°  0.516    130°  0.377    140°  0.249    150°  0.197    160°  0.246    170°  0.310	180°  0.336    190°  0.310    200°  0.246    210°  0.197    220°  0.249    230°  0.377	240°  0.516    250°  0.651    260°  0.763    270°  0.856    280°  0.929    290°  0.979	300°  0.999    310°  0.998    320°  0.974    330°  0.935    340°  0.895    350°  0.874
56°  1.000	304°  1.000

ASRN:	1009012   ULS Data   Other Stations on Tower
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