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WTTW - CHICAGO, IL, US - Main Listing
Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DT Full Service Digital TV Station
Channel: 25   536 - 542 MHz Construction Permit (Expires 01/01/1970) 
File Number: LMS-0000028364     Facility ID Number: 10802
LMS Filing Version ID: 25076f915d7618f8015d816f2780083b
Application ID Number: 2006747

0'0" (0)Latitude
0'0" (0)Longitude (NAD27)        

Polarization: Horizontal (H) Horizontal   Vertical   
Effective Radiated Power (ERP):148 kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1627'496m
Antenna Height Above Ground Level: 1621'494.2m
Antenna Height Above Mean Sea Level: 2216'675.6m

17.99 kW TPO - 0.68 dB line loss + 12.9 dB antenna gain = 148 kW ERP
12.55 dBk TPO - 0.68 dB line loss + 12.9 dB antenna gain = 21.7 dBk ERP

DirectionalAntenna ID No.: 1001940      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: -      Antenna Model: -   
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.850   
  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   
Directional Pattern

ASRN:  1032959   ULS Data   Other Stations on Tower 
 
Pop:  9,771,760
 
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 LMS-0000028364
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS


WTTW - CHICAGO, IL, US - Main Listing
Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DT Full Service Digital TV Station
Channel: 47   668 - 674 MHz Licensed 
File Number: BLEDT-20020408ABK     Facility ID Number: 10802
LMS Filing Version ID: 577758f913c1488780c0cf6212b6c0ea
Application ID Number: 600263

Location: Sears Tower (IL)
41°52'44"N (41.879)LatitudeSite in Canadian Border Zone
87°38'10"W (-87.636)Longitude (NAD27)        

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: 2119'646m

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

DirectionalAntenna ID No.: 33534      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: AND      Antenna Model: ATW13H4-HSC1-47S      
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.850   
  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   
Directional Pattern

ASRN:  1032959   ULS Data   Other Stations on Tower 
 
Pop:  9,768,788
 
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 BLEDT-20020408ABK
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS


WTTW - CHICAGO, IL, US - Main Listing
Licensee (Owner): WINDOW TO THE WORLD COMMUNICATIONS, INC.
Service Designation: DX Digital Auxiliary Facility
Channel: 47   668 - 674 MHz Licensed 
File Number: BXLEDT-20040311ACL     Facility ID Number: 10802
LMS Filing Version ID: N/A
Application ID Number: 978278

Location: Sears Tower (IL)
41°52'44"N (41.879)LatitudeSite in Canadian Border Zone
87°38'8"W (-87.636)Longitude (NAD27)        

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

DirectionalAntenna ID No.: 65182      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: RFS      Antenna Model: PHP24C      
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.500   
  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   
Directional Pattern

ASRN:  1032960   ULS Data   Other Stations on Tower 
 
Pop:  9,592,614
 
Query:  RECNetFCCInfoStation IndexFCC TV Query
CDBS:  Station Info   Application Info   Mailing Address   Assignments and Transfers   
Application List   Call Sign Changes   Ownership InfoEEO Filings
Correspondence for WTTW Correspondence for BXLEDT-20040311ACL
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS



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