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WTTW - CHICAGO, IL, US - Main Listing
Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DTV Full Service Digital TV Station
Channel: 25   536 - 542 MHz Licensed 
File Number: 0000163950     Facility ID Number: 10802
Application ID Number: 25076ff37c55550a017c6014f0803174
CDBS Application ID: 2044477

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

Polarization: Elliptical (E) Horizontal   Vertical   
Effective Radiated Power (ERP):250?kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1627'496m
Antenna Height Above Ground Level: 1620'494m
Antenna Height Above Mean Sea Level: 2217'676m

11.14 kW TPO - 0.82 dB line loss + 14.33 dB antenna gain = 250 kW ERP
10.47 dBk TPO - 0.82 dB line loss + 14.33 dB antenna gain = 23.98 dBk ERP

DirectionalAntenna ID No.: 1002552      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: RFS      Antenna Model: PEPL24C      
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.516   
  10°  0.353   
  20°  0.239   
  30°  0.150   
  40°  0.063   
  50°  0.067   
  60°  0.056   
  70°  0.084   
  80°  0.152   
  90°  0.243   
100°  0.395   
110°  0.575   
120°  0.752   
130°  0.912   
140°  0.995   
150°  0.941   
160°  0.797   
170°  0.696   
180°  0.727   
190°  0.710   
200°  0.661   
210°  0.643   
220°  0.833   
230°  0.986   
240°  0.955   
250°  0.800   
260°  0.684   
270°  0.727   
280°  0.756   
290°  0.679   
300°  0.650   
310°  0.816   
320°  0.960   
330°  0.974   
340°  0.872   
350°  0.707   
Directional Pattern
233°  1.000   
234°  1.000   

ASRN:  1032959   ULS Data   Other Stations on Tower 
 
Pop:  9,782,477
 
Query:  RECNetFCCInfoStation IndexFCC TV Query
LMS:  LMS QueryLMS Application
CDBS:  Station Info   Application Info   Mailing Address   Assignments and Transfers   
Application List   Call Sign Changes   Ownership InfoEEO Filings
Correspondence for WTTW Correspondence for 0000163950
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS



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