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WBBM-TV
CHICAGO IL US
CBS
DIGITAL TV STATION
Channel 12 (Virtual 2)
CBS BROADCASTING INC.
1725 DESALES ST NW SUITE 501
WASHINGTON DC 20036
2024574505
Facility ID: 9617
Licensed
View Public File
Fac Correspondence

 
1. L2C 0000058561 AUX Granted 09/11/2018
2. MOD 0000035681 Pending 11/28/2017
View Application
View Google Map
Record Type: Digital TV (DTV) Station
Application Purpose: Modification (Minor)
Channel: 12
Construction Permit Expires: 12/01/2021
SITE # 1
TV Zone: : 1
NAD83 Coordinates: 41 52' 44.0" N / 87 38' 8.0" W
Elevation: 181.4 m AMSL
Antenna Type: HAR TAD-5H
Antenna Polarization: Horizontal
Effective Radiated Power: 10.9kW
Maximum Antenna Power Gain: 6.99 dB
Radiation center-above mean sea level: 680.0
Radiation center above average terrain 500.4
Overall antenna height above ground: 524.9
Non-Directional Antenna
Antenna System ID: 1002644
Rad Field dB ERP Rad Field dB ERP Rad Field dB ERP Rad Field dB ERP
01.0000.0 10.900 901.0000.0 10.900 1801.0000.0 10.900 2701.0000.0 10.900
101.0000.0 10.900 1001.0000.0 10.900 1901.0000.0 10.900 2801.0000.0 10.900
201.0000.0 10.900 1101.0000.0 10.900 2001.0000.0 10.900 2901.0000.0 10.900
301.0000.0 10.900 1201.0000.0 10.900 2101.0000.0 10.900 3001.0000.0 10.900
401.0000.0 10.900 1301.0000.0 10.900 2201.0000.0 10.900 3101.0000.0 10.900
501.0000.0 10.900 1401.0000.0 10.900 2301.0000.0 10.900 3201.0000.0 10.900
601.0000.0 10.900 1501.0000.0 10.900 2401.0000.0 10.900 3301.0000.0 10.900
701.0000.0 10.900 1601.0000.0 10.900 2501.0000.0 10.900 3401.0000.0 10.900
801.0000.0 10.900 1701.0000.0 10.900 2601.0000.0 10.900 3501.0000.0 10.900
Show more details... Show More Application Details
 
3. STA 0000024365 Dismissed 04/14/2017
4. BXPCDT-20141212AAI AUX Granted 08/30/2016
5. BLCDT-20140305ABH Granted 03/27/2014
Domestic Status:License
Channel: 26
NAD27 Coordinates: 41 56' 18.02" 87 45' 5.05"
NAD83 Coordinates: 41 56' 18.13" 87 45' 5.27"
Elevation: 186.8 m AMSL
Effective ERP: 15kW
Visual Power Output: 2.3kW
Maximum HAAT: 120 m
Radiation center-above mean sea level: 298.7m
Overall antenna height above ground: 162m
Antenna System ID: 107585
Antenna Rotation: 0
Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
00.0540.007 900.8261.569 1800.9982.291 2700.2900.193
100.0510.006 1000.9111.909 1901.0002.300 2800.1780.073
200.0610.009 1100.9652.142 2000.9922.263 2900.1010.023
300.1010.023 1200.9922.263 2100.9652.142 3000.0610.009
400.1780.073 1301.0002.300 2200.9111.909 3100.0510.006
500.2900.193 1400.9982.291 2300.8261.569 3200.0540.007
600.4260.417 1500.9942.272 2400.7101.159 3300.0600.008
700.5720.753 1600.9922.263 2500.5720.753 3400.0630.009
800.7101.159 1700.9942.272 2600.4260.417 3500.0600.008
Border Zone: Located near Canada.
Show more details... Show More Application Details
 
6. BDRTCDT-20090818AAP Granted 01/18/2012
7. BDRTCDT-20090818AAP Superceded 01/06/2012
8. BDRTCDT-20090818AAP Superceded 11/30/2011
9. BLCDT-20090612ADR Granted 10/28/2011
Domestic Status:License
Channel: 12
Analog Channel: 2
NAD27 Coordinates: 41 52' 44.01" 87 38' 8.01"
NAD83 Coordinates: 41 52' 44.12" 87 38' 8.23"
Elevation: 181.4 m AMSL
Effective ERP: 8kW
Non-Directional Antenna
Antenna Type: HAR TAD-5H
Antenna Polarization: Horizontal
Visual Power Output: 1.872kW
Maximum HAAT: 500 m
Radiation center-above mean sea level: 680m
Radiation center above average terrain 497m
Overall antenna height above ground: 521.1m
Non-Directional Antenna
Antenna System ID: 85715
Antenna Rotation: 0
Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
01.0001.872 901.0001.872 1801.0001.872 2701.0001.872
101.0001.872 1001.0001.872 1901.0001.872 2801.0001.872
201.0001.872 1101.0001.872 2001.0001.872 2901.0001.872
301.0001.872 1201.0001.872 2101.0001.872 3001.0001.872
401.0001.872 1301.0001.872 2201.0001.872 3101.0001.872
501.0001.872 1401.0001.872 2301.0001.872 3201.0001.872
601.0001.872 1501.0001.872 2401.0001.872 3301.0001.872
701.0001.872 1601.0001.872 2501.0001.872 3401.0001.872
801.0001.872 1701.0001.872 2601.0001.872 3501.0001.872
Border Zone: Located near Canada.
Show more details... Show More Application Details
 
10. BPCDT-20080328ADQ Granted 04/23/2008
11. BMLCT-20050729AHG Granted 10/04/2005
12. BLCDT-20050623ABL Granted 07/15/2005
13. BFRCCT-20050303AAG Approved 06/23/2005
14. BPCDT-20040722AAQ Granted 05/31/2005
15. BLCDT-20030501AAC Granted 06/16/2004
16. BLCT-20030103AAO Granted 06/16/2004
17. BPCT-20010725AEE Granted 03/11/2002
18. BDSTA-20020206ABL Granted 02/12/2002
19. BDSTA-20011217ACF Granted 01/18/2002
20. BMPCDT-20011119AAU Granted 04/23/2003
21. BPCT-20010725AEE Superceded 08/01/2001
22. BPCDT-19980427KJ Granted 07/24/1998
23. BLCT-19900813KE Granted 09/14/1990
DIGITAL TV CHANNEL ELECTION
In the First Channel Election - Licensee/Permitee has entered into a Negotiated Channel Election Arrangement and makes the following channel election:  11 
If not approved, they request alternate channel: 3
Conflict in the Election - Licensee/Permitee decides to maintain its round channel election and certifies that interference conflict has been resolved through a negotiated agreement or by technical engineering data.
BROADCAST AUXILIARY/REMOTE PICK-UP/STL
WQNN31954.0000~72.0000
WQNN319174.0000~216.0000
KC4877450.0500
KC4877450.3500
KC4877450.4500
KVF938450.4875
KVF938450.4875EAST TOWER 875 N MICHIGAN AVE
KC4877450.6500
KVF938455.0500EAST TOWER 875 N MICHIGAN AVE
KVF938455.0500
KVF938455.3500EAST TOWER 875 N MICHIGAN AVE
KVF938455.3500
KVF938455.8000EAST TOWER 875 N MICHIGAN AVE
KVF938455.8000
WQNN319470.0000~488.0000
WQNN319494.0000~608.0000
WQNN319614.0000~698.0000
KB550282025.0000~2025.5000
KB550282025.0000~2025.5000
KB550282025.0000~2025.5000
KB550282025.0000~2025.5000
KB550282025.0000~2025.5000
KB550282025.5000~2109.5000
KB550282025.5000~2109.5000
KB550282025.5000~2109.5000
KB550282025.5000~2109.5000
KB550282025.5000~2109.5000
KB550282109.5000~2110.0000
KB550282109.5000~2110.0000
KB550282109.5000~2110.0000
KB550282109.5000~2110.0000
KB550282109.5000~2110.0000
KB550282450.0000~2467.0000
KB550282450.0000~2467.0000
KB550282450.0000~2467.0000
KB550282450.0000~2467.0000
KB550282450.0000~2467.0000
KB550282467.0000~2483.5000
KB550282467.0000~2483.5000
KB550282467.0000~2483.5000
KB550282467.0000~2483.5000
KB550282467.0000~2483.5000
KB550282483.5000~2500.0000
KB550282483.5000~2500.0000
KB550282483.5000~2500.0000
KB550282483.5000~2500.0000
KB550286425.0000~6525.0000
KB550286425.0000~6525.0000
KB550286425.0000~6525.0000
KB550286425.0000~6525.0000
KB550286425.0000~6525.0000
KB550286875.0000~7125.0000
KB550286875.0000~7125.0000
KB550286875.0000~7125.0000
KB550286875.0000~7125.0000
KB550286875.0000~7125.0000
KB5502812700.0000~13250.0000
KB5502812700.0000~13250.0000
WBM67013000.0000~13025.000022 West Washington St.
WHG41617710.0000875 N MICHIGAN AVE
WAY64317810.0000875 N MICHIGAN AVE
KB5597638600.0000~40000.0000
CALL SIGN HISTORY
WBBM -
WBBM-TV - 08/28/1979
Where this call sign has been:
02/01/1924 - .770 kHz in GLENVIEW IL RSB - now WBBM
02/28/1929 - .770 kHz in GLENVIEW IL RSB - now WBBM
10/31/1929 - .770 kHz in GLENVIEW IL RSB - now WBBM
11/14/1924 on 780 in CHICAGO IL - now WBBM
on 780 in CHICAGO IL - now WBBM
06/06/1979 on 96.3 in CHICAGO IL - now WBBM-FM
on 96.3 in CHICAGO IL - now WBBM-FM
FCC services and solutions for LPFM, full-service FM and FM translators, 1-844-732-5736
APPLICATION HISTORY
  BRCT-19790801KQ Renewal Granted 11/30/1979
  BRCT-19820802E7 Renewal Granted 11/30/1982
  BTCCT-19850418KJ Transfer of Control Dismissed 09/03/1985
  BRCT-19870803KX Renewal Granted 08/11/1988
  BMLCT-19900302KF Modify License-Aux Granted 07/31/1990
  BLCT-19900813KE License to Cover Granted 09/14/1990
  BRCT-19920803KN Renewal Granted 05/03/1995
  BTCCT-19950803KL Transfer of Control Granted 11/22/1995
  BRCT-19970730KK Renewal Granted 12/17/1997
  BPCDT-19980427KJ Minor Modification Granted 07/24/1998
  BMPCDT-20011119AAU Minor Modify CP Granted 04/23/2003
  BDSTA-20011217ACF Special Temporary Authority Granted 01/18/2002
  BDSTA-20020206ABL Special Temporary Authority Granted 02/12/2002
  BPCT-20010725AEE Minor Modification Granted 03/11/2002
  BEDSTA-20021017ABC Special Temporary Authority Granted 10/22/2002
  BEPCDT-20021120AAO CP Extension Dismissed 02/05/2003
  BLCT-20030103AAO License to Cover Granted 06/16/2004
  BEDSTA-20030314CMC Special Temporary Authority Granted 03/27/2003
  BLCDT-20030501AAC License to Cover Granted 06/16/2004
  BPCDT-20040722AAQ Minor Modification Granted 05/31/2005
  BCERCT-20041101AER Pre-Election Certif. Tendered for Filing 11/02/2004
  BAFCDT-20050215AAJ Ancillary Fee Received 02/16/2005
  BFRCCT-20050303AAG First Round Conflict Approved 06/23/2005
  BFRECT-20050124AEY First Round Election Approved 06/23/2005
  BLCDT-20050623ABL License to Cover Granted 07/15/2005
  BMLCT-20050729AHG Modify License Granted 10/04/2005
Transaction log data BRCT-20050801AFV Renewal Granted 10/10/2014
  BAFCDT-20051130AJW Ancillary Fee Received 12/01/2005
  BAFCDT-20061130ALK Ancillary Fee Received 12/01/2006
BOA-20070731 Ownership Report(s) Accepted for Filing 08/01/2007
BOA-20070801 Ownership Report(s) Accepted for Filing 08/02/2007
  BAFCDT-20071205ABX Ancillary Fee Received 12/06/2007
  BDTRCT-20080213ACK DTV Transition Report Accepted for Filing 02/14/2008
  BPCDT-20080328ADQ Minor Modification Granted 04/23/2008
  BDERCT-20080709ACY DTV Education Report Received 07/10/2008
  BDTUCT-20080717AIM DTV Transition Update Accepted for Filing 07/18/2008
  BDTUCT-20080911AAV DTV Transition Update Accepted for Filing 09/12/2008
  BDERCT-20081010AOG DTV Education Report Received 10/14/2008
  BAFCDT-20081125AHO Ancillary Fee Received 11/26/2008
  BDERCT-20090109AHC DTV Education Report Received 01/12/2009
  Analog Termination Notif Accepted for Filing 03/17/2009
  BDERCT-20090408AFA DTV Education Report Received 04/09/2009
  BDTUCT-20090416ARK DTV Transition Update Accepted for Filing 04/17/2009
  BLCDT-20090612ADR License to Cover Granted 10/28/2011
  BDERCDT-20090708AKG DTV Education Report Received 07/09/2009
  BAFCDT-20091123AEJ Ancillary Fee Received 11/24/2009
BOA-20100615 Ownership Report(s) Accepted for Filing 06/16/2010
BOA-20100629 Ownership Report(s) Accepted for Filing 06/30/2010
  BTCCDT-20100930ABG Transfer of Control Granted 10/06/2010
  BAFCDT-20101122AFC Ancillary Fee Received 11/23/2010
  Mailing Address Change Accepted for Filing 02/28/2011
  CPR-118373 Children's TV Prgr report Received 04/04/2011
  CPR-121745 Children's TV Prgr report Received 07/07/2011
  CPR-124469 Children's TV Prgr report Received 10/07/2011
BOA-20111121 Ownership Report(s) Accepted for Filing 11/21/2011
BOA-20111123 Ownership Report(s) Accepted for Filing 11/25/2011
BOA-20111125 Ownership Report(s) Accepted for Filing 11/28/2011
BOA-20111128 Ownership Report(s) Accepted for Filing 11/30/2011
  BAFCDT-20111130BSK Ancillary Fee Received 12/02/2011
  CPR-126402 Children's TV Prgr report Received 01/09/2012
  BDRTCDT-20090818AAP DTV Replacement Translator Granted 01/18/2012
  CPR-130417 Children's TV Prgr report Received 04/12/2012
  CPR-130936 Children's TV Prgr report Received 07/03/2012
  CPR-134357 Children's TV Prgr report Received 10/08/2012
  BAFCDT-20121203AWD Ancillary Fee Received 12/04/2012
  CPR-136271 Children's TV Prgr report Received 01/02/2013
  CPR-139487 Children's TV Prgr report Received 04/02/2013
  CPR-143748 Children's TV Prgr report Received 07/09/2013
Transaction log data BRCDT-20130801AKI Renewal Granted 10/10/2014
  CPR-146692 Children's TV Prgr report Received 10/21/2013
BOA-20131115 Ownership Report(s) Accepted for Filing 11/18/2013
  BAFCDT-20131121AUH Ancillary Fee Received 11/22/2013
BOA-20131202 Ownership Report(s) Accepted for Filing 12/03/2013
BOA-20131204 Ownership Report(s) Accepted for Filing 12/05/2013
BOA-20131209 Ownership Report(s) Accepted for Filing 12/10/2013
BOA-20131210 Ownership Report(s) Accepted for Filing 12/11/2013
BOA-20131211 Ownership Report(s) Accepted for Filing 12/12/2013
  CPR-148487 Children's TV Prgr report Received 01/03/2014
  BLCDT-20140305ABH License to Cover Granted 03/27/2014
  CPR-151994 Children's TV Prgr report Received 04/03/2014
  CPR-156215 Children's TV Prgr report Received 07/07/2014
  CPR-159424 Children's TV Prgr report Received 10/06/2014
Transaction log data BAFCDT-20141124AMZ Ancillary Fee Received 11/25/2014
Transaction log data BXPCDT-20141212AAI Auxiliary Permit Granted 08/30/2016
  CPR-162575 Children's TV Prgr report Received 01/06/2015
  CPR-167092 Children's TV Prgr report Received 04/07/2015
  0000002011 Form 318 Received 06/23/2015
  CPR-171188 Children's TV Prgr report Received 07/09/2015
  CPR-173229 Children's TV Prgr report Received 10/05/2015
  0000006143 Form 317 Received 11/18/2015
BOA-20151202 Ownership Report(s) Accepted for Filing 12/03/2015
  CPR-177494 Children's TV Prgr report Received 01/07/2016
  0000012891 Children's TV Prgr report Received 07/08/2016
  0000009083 Children's TV Prgr report Received 07/08/2016
  0000013344 Update Received 07/29/2016
  0000015140 Children's TV Prgr report Received 10/07/2016
  0000016419 Update Received 10/24/2016
  0000018215 Form 317 Received 11/28/2016
  0000020458 Children's TV Prgr report Received 01/09/2017
  0000023526 Children's TV Prgr report Received 04/07/2017
Transaction log data 0000024365 Engineering Dismissed 04/14/2017
  0000024371 Legal Pending 04/14/2017
  0000026632 Children's TV Prgr report Received 07/07/2017
  0000032166 Children's TV Prgr report Received 10/10/2017
  0000035681 Minor Pending 11/28/2017
  0000037035 Update Received 01/02/2018
  0000038700 Children's TV Prgr report Received 01/09/2018
  0000042777 Update Received 02/21/2018
  0000049779 Children's TV Prgr report Received 04/04/2018
  0000056795 Children's TV Prgr report Received 07/09/2018
Transaction log data 0000058561 License to Cover Granted 09/11/2018
  0000061557 Children's TV Prgr report Received 10/09/2018
  0000065602 Children's TV Prgr report Received 01/08/2019
  0000070613 Children's TV Prgr report Received 04/09/2019
 A red arrow means this application has additional transaction log history since July 1, 2014. Click the arrow to expand.
IMPORTED LETTERS
 Incoming letter or scanned document 01/15/2013
 Incoming letter or scanned document 01/15/2013
 Incoming letter or scanned documentBDRTCDT-20090818AAP04/01/2010
 Incoming letter or scanned documentBDRTCDT-20090818AAP04/01/2010
 Incoming letter or scanned documentBDRTCDT-20090818AAP04/01/2010
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