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WBBM-TV - CHICAGO, IL, US - Main Listing
Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000189452     Facility ID Number: 9617
Application ID Number: 25076ff37fc69b3c017fe51fac0c38ce
CDBS Application ID: 2045403

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

Polarization: Elliptical (E) Horizontal   Vertical   
Effective Radiated Power (ERP):22.918.3kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1370'417.7m
Antenna Height Above Ground Level: 1367'416.7m
Antenna Height Above Mean Sea Level: 1959'597.4m

6.52 kW TPO - 0.96 dB line loss + 6.42 dB antenna gain = 22.9 kW ERP
8.14 dBk TPO - 0.96 dB line loss + 6.42 dB antenna gain = 13.6 dBk ERP

DirectionalAntenna ID No.: 1009481      Pattern Rotation: 0°
Elec. Beam Tilt: 2° 
Antenna Make: Dielectric      Antenna Model: TLS-V4M/VP-R      
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.306   
  10°  0.276   
  20°  0.303   
  30°  0.339   
  40°  0.353   
  50°  0.339   
  60°  0.303   
  70°  0.276   
  80°  0.306   
  90°  0.405   
100°  0.539   
110°  0.679   
120°  0.804   
130°  0.901   
140°  0.965   
150°  0.995   
160°  0.998   
170°  0.983   
180°  0.959   
190°  0.936   
200°  0.919   
210°  0.909   
220°  0.905   
230°  0.909   
240°  0.919   
250°  0.936   
260°  0.959   
270°  0.983   
280°  0.998   
290°  0.995   
300°  0.965   
310°  0.901   
320°  0.804   
330°  0.679   
340°  0.539   
350°  0.405   
Directional Pattern
155°  1.000   
283°  1.000   

ASRN:  1009012   ULS Data   Other Stations on Tower 
 
Pop:  9,788,688
 
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 WBBM-TV Correspondence for 0000189452
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS


WBBM-TV - CHICAGO, IL, US - Main Listing
Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000217825     Facility ID Number: 9617
Application ID Number: 25076f9188ea85960189404dce7326b7
CDBS Application ID: 2052252

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

Polarization: Horizontal (H) Horizontal   Vertical   
Effective Radiated Power (ERP):14 kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1522'464m
Antenna Height Above Ground Level: 1519'463.1m
Antenna Height Above Mean Sea Level: 2114'644.5m

3.82 kW TPO - 0.63 dB line loss + 6.27 dB antenna gain = 14 kW ERP
5.82 dBk TPO - 0.63 dB line loss + 6.27 dB antenna gain = 11.46 dBk ERP

DirectionalAntenna ID No.: 1010873      Pattern Rotation: 0°
Antenna Make: RCA      Antenna Model: TBF-2AH (SPECIAL)      
 
Relative Field values for directional antennaRelative Field polar plot
Relative field values do not include any pattern rotation that may be indicated above.
    0°  0.635   
  10°  0.460   
  20°  0.300   
  30°  0.200   
  40°  0.150   
  50°  0.110   
  60°  0.100   
  70°  0.110   
  80°  0.150   
  90°  0.200   
100°  0.300   
110°  0.460   
120°  0.625   
130°  0.775   
140°  0.890   
150°  0.970   
160°  1.000   
170°  1.000   
180°  0.960   
190°  0.870   
200°  0.740   
210°  0.620   
220°  0.555   
230°  0.560   
240°  0.570   
250°  0.560   
260°  0.555   
270°  0.620   
280°  0.740   
290°  0.870   
300°  0.960   
310°  1.000   
320°  1.000   
330°  0.975   
340°  0.900   
350°  0.780   
Directional Pattern

ASRN:  1032959   ULS Data   Other Stations on Tower 
 
Pop:  9,837,099
 
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 WBBM-TV Correspondence for 0000217825
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS


WBBM-TV - CHICAGO, IL, US - Main Listing
Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000234857     Facility ID Number: 9617
Application ID Number: 25076ff38d31a332018d3cace56b1eff
CDBS Application ID: 2053924

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):10.9 kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1641'500.4m
Antenna Height Above Ground Level: 1635'498.6m
Antenna Height Above Mean Sea Level: 2230'680m

2.55 kW TPO - 0.69 dB line loss + 6.99 dB antenna gain = 10.9 kW ERP
4.07 dBk TPO - 0.69 dB line loss + 6.99 dB antenna gain = 10.37 dBk ERP

Non-DirectionalAntenna ID No.: 1002644      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: HAR      Antenna Model: TAD-5H      

ASRN:  1032960   ULS Data   Other Stations on Tower 
 
Pop:  10,018,037
 
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 WBBM-TV Correspondence for 0000234857
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS


WBBM-TV - CHICAGO, IL, US - Main Listing
Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Construction Permit (Expires 01/30/2026) 
File Number: 0000249867     Facility ID Number: 9617
Application ID Number: 25076ff3905469b40190978405163e97

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):29.5 kW ERP
 
TV Zone: 1 Feet  Meters  
Antenna Height Above Average Terrain: 1641'500.4m
Antenna Height Above Ground Level: 1635'498.6m
Antenna Height Above Mean Sea Level: 2230'680m

Non-DirectionalAntenna ID No.: 1011902      Pattern Rotation: 0°
Elec. Beam Tilt: 1° 
Antenna Make: Harris      Antenna Model: TAD-5H      

ASRN:  1032960   ULS Data   Other Stations on Tower 
 
Pop:  10,474,184
 
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 WBBM-TV Correspondence for 0000249867
Area:  FCC Service Contour   Longley-Rice Coverage Map
ULS:  Related facilities in ULS



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