Licensee (Owner): Chicago FCC License Sub, LLC
Service Designation: FM Full Service FM Station
Channel: 246   97.1 MHz Licensed 
File Number: BLH-20090921ABG     Facility ID Number: 49552
Application ID Number: 3cf95b1a5fd14c2a81bbc1b6063ebeb7
CDBS Application ID: 1334446
Class: B

Location: Aon Center (IL)
41°	53'	6.1"	N	(41.885028)	Latitude
87°	37'	18.2"	W	(-87.621722)	Longitude (NAD83)

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	8.3		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Average Terrain:	1191'	363m
Antenna Height Above Ground Level:	1187'	362m
Antenna Height Above Mean Sea Level:	1778'	542m
Emission Mask: Unknown

6.602 kW TPO + 0.99 dB gain = 8.3 kW ERP

8.2 dBk TPO + 0.99 dB gain = 9.19 dBk ERP

Directional	Antenna ID No.: 88611	Pattern Rotation: 0°
Antenna Make: ERI	Antenna Model: 1083-3CP
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°  0.880      10°  1.000      20°  1.000      30°  1.000      40°  1.000      50°  1.000

60°  1.000      70°  1.000      80°  1.000      90°  1.000    100°  1.000    110°  1.000

120°  1.000    130°  1.000    140°  1.000    150°  1.000    160°  1.000    170°  1.000

180°  1.000    190°  1.000    200°  1.000    210°  1.000    220°  1.000    230°  1.000

240°  1.000    250°  1.000    260°  1.000    270°  1.000    280°  0.915    290°  0.870

300°  0.800    310°  0.800    320°  0.800    330°  0.785    340°  0.780    350°  0.760

ASRN:	1232992   ULS Data   Other Stations on Tower
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