Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 3   60 - 66 MHz Construction Permit (Expires 12/01/2021) 
File Number: BPCDT-19980427KJ     Facility ID Number: 9617
Application ID Number: 645be1ddad8d47a19ba6cf6212b6c0ea
CDBS Application ID: 266332

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	2.8		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1200'	366m
Antenna Height Above Ground Level:	1197'	365m
Antenna Height Above Mean Sea Level:	1791'	546m

Non-Directional	Antenna ID No.:	Pattern Rotation: 0°
Antenna Make: -	Antenna Model: -

ASRN:	1009013   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BPCDT-19980427KJ
Area:
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 3   60 - 66 MHz Construction Permit (Expires 12/01/2021) 
File Number: BMPCDT-20011119AAU     Facility ID Number: 9617
Application ID Number: dbf6b47fa0cb490cb388cf6212b6c0ea
CDBS Application ID: 586405

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	3.7		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1469'	448m
Antenna Height Above Ground Level:	1466'	447m
Antenna Height Above Mean Sea Level:	2060'	628m

Directional	Antenna ID No.: 41634	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TF-1LB-H
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°  1.000      10°  0.980      20°  0.933      30°  0.880      40°  0.846      50°  0.846

60°  0.880      70°  0.933      80°  0.980      90°  1.000    100°  0.980    110°  0.933

120°  0.880    130°  0.846    140°  0.846    150°  0.880    160°  0.933    170°  0.980

180°  1.000    190°  0.980    200°  0.933    210°  0.880    220°  0.846    230°  0.846

240°  0.880    250°  0.933    260°  0.980    270°  1.000    280°  0.980    290°  0.933

300°  0.880    310°  0.846    320°  0.846    330°  0.880    340°  0.933    350°  0.980

ASRN:	1009013   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BMPCDT-20011119AAU
Area:
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 3   60 - 66 MHz Licensed 
File Number: BLCDT-20030501AAC     Facility ID Number: 9617
Application ID Number: fc45096bce464c49ac70cf6212b6c0ea
CDBS Application ID: 659239

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	3.7		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1469'	448m
Antenna Height Above Ground Level:	1466'	447m
Antenna Height Above Mean Sea Level:	2060'	628m

3.16 kW TPO - 0.45 dB line loss + 1.13 dB antenna gain = 3.7 kW ERP

5 dBk TPO - 0.45 dB line loss + 1.13 dB antenna gain = 5.68 dBk ERP

Directional	Antenna ID No.: 41634	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TF-1LB-H
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°  1.000      10°  0.980      20°  0.933      30°  0.880      40°  0.846      50°  0.846

60°  0.880      70°  0.933      80°  0.980      90°  1.000    100°  0.980    110°  0.933

120°  0.880    130°  0.846    140°  0.846    150°  0.880    160°  0.933    170°  0.980

180°  1.000    190°  0.980    200°  0.933    210°  0.880    220°  0.846    230°  0.846

240°  0.880    250°  0.933    260°  0.980    270°  1.000    280°  0.980    290°  0.933

300°  0.880    310°  0.846    320°  0.846    330°  0.880    340°  0.933    350°  0.980

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,954,630
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BLCDT-20030501AAC
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 3   60 - 66 MHz Construction Permit (Expires 12/01/2021) 
File Number: BPCDT-20040722AAQ     Facility ID Number: 9617
Application ID Number: 1363e823f89047dcaf84cf6212b6c0ea
CDBS Application ID: 1003996

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	4.4		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1468'	447.5m
Antenna Height Above Ground Level:	1468'	447.7m
Antenna Height Above Mean Sea Level:	2061'	628.4m

Directional	Antenna ID No.: 67165	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TF-1LB-H
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°  1.000      10°  0.980      20°  0.933      30°  0.880      40°  0.846      50°  0.846	60°  0.880      70°  0.933      80°  0.980      90°  1.000    100°  0.980    110°  0.933	120°  0.880    130°  0.846    140°  0.846    150°  0.880    160°  0.933    170°  0.980	180°  1.000    190°  0.980    200°  0.933    210°  0.880    220°  0.846    230°  0.846	240°  0.880    250°  0.933    260°  0.980    270°  1.000    280°  0.980    290°  0.933	300°  0.880    310°  0.846    320°  0.846    330°  0.880    340°  0.933    350°  0.980
45°  0.841	135°  0.841	225°  0.841	315°  0.841

ASRN:	1009012   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BPCDT-20040722AAQ
Area:
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 3   60 - 66 MHz Licensed 
File Number: BLCDT-20050623ABL     Facility ID Number: 9617
Application ID Number: ca596cca3a314ee7b02ccf6212b6c0ea
CDBS Application ID: 1069502

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

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	4.4		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1468'	447.5m
Antenna Height Above Ground Level:	1468'	447.7m
Antenna Height Above Mean Sea Level:	2061'	628.4m

3.76 kW TPO - 0.45 dB line loss + 1.13 dB antenna gain = 4.4 kW ERP

5.75 dBk TPO - 0.45 dB line loss + 1.13 dB antenna gain = 6.43 dBk ERP

Directional	Antenna ID No.: 67165	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TF-1LB-H
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°  1.000      10°  0.980      20°  0.933      30°  0.880      40°  0.846      50°  0.846	60°  0.880      70°  0.933      80°  0.980      90°  1.000    100°  0.980    110°  0.933	120°  0.880    130°  0.846    140°  0.846    150°  0.880    160°  0.933    170°  0.980	180°  1.000    190°  0.980    200°  0.933    210°  0.880    220°  0.846    230°  0.846	240°  0.880    250°  0.933    260°  0.980    270°  1.000    280°  0.980    290°  0.933	300°  0.880    310°  0.846    320°  0.846    330°  0.880    340°  0.933    350°  0.980
45°  0.841	135°  0.841	225°  0.841	315°  0.841

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,963,248
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BLCDT-20050623ABL
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Construction Permit (Expires 12/01/2021) 
File Number: BPCDT-20080328ADQ     Facility ID Number: 9617
Application ID Number: cbacd0f5e03745c883c1cf6212b6c0ea
CDBS Application ID: 1240838

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):	8		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1630'	497m
Antenna Height Above Ground Level:	1635'	498.6m
Antenna Height Above Mean Sea Level:	2230'	680m

Non-Directional	Antenna ID No.: 85715	Pattern Rotation: 0°
Elec. Beam Tilt: 1°
Antenna Make: HAR	Antenna Model: TAD-5H

ASRN:	1032960   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BPCDT-20080328ADQ
Area:
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Licensed 
File Number: BLCDT-20090612ADR     Facility ID Number: 9617
Application ID Number: 06efbce5d2fa4df28dd0cf6212b6c0ea
CDBS Application ID: 1317335

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):	8		kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1630'	497m
Antenna Height Above Ground Level:	1635'	498.6m
Antenna Height Above Mean Sea Level:	2230'	680m

1.872 kW TPO - 0.683 dB line loss + 6.99 dB antenna gain = 8 kW ERP

2.72 dBk TPO - 0.683 dB line loss + 6.99 dB antenna gain = 9.03 dBk ERP

Non-Directional	Antenna ID No.: 85715	Pattern Rotation: 0°
Elec. Beam Tilt: 1°
Antenna Make: HAR	Antenna Model: TAD-5H

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	9,961,106
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BLCDT-20090612ADR
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Construction Permit (Expires 08/28/2019) 
File Number: BXPCDT-20141212AAI     Facility ID Number: 9617
Application ID Number: 4c832fa3b06948a5816fcf6212b6c0ea
CDBS Application ID: 1664615

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):	7.2		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

Directional	Antenna ID No.: 120403	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      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°  0.555

240°  0.870    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

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	9,755,439
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BXPCDT-20141212AAI
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Application 
File Number: 0000035681     Facility ID Number: 9617
Application ID Number: 25076f915fd11ef0015fffa07ddd3810
CDBS Application ID: 2008334

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

Non-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000035681
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000058561     Facility ID Number: 9617
Application ID Number: 25076f916446e17501648e58476a527f
CDBS Application ID: 2017602

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):	7.2		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

1.872 kW TPO - 0.42 dB line loss + 6.27 dB antenna gain = 7.2 kW ERP

2.72 dBk TPO - 0.42 dB line loss + 6.27 dB antenna gain = 8.57 dBk ERP

Directional	Antenna ID No.: 120403	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      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°  0.555

240°  0.870    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

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	9,755,439
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000058561
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Construction Permit (Expires 12/01/2023) 
File Number: 0000035681     Facility ID Number: 9617
Application ID Number: 25076ff373865ab30173b4c06a41399b
CDBS Application ID: 2037510

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

Non-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000035681
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Construction Permit (Expires 09/28/2023) 
File Number: 0000122720     Facility ID Number: 9617
Application ID Number: 25076f9174c22e5d0174d61313df1a72
CDBS Application ID: 2037833

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):	16.7	13.4	kW 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

Directional	Antenna ID No.: 1007389	Pattern Rotation: 0°
Elec. Beam Tilt: 2°
Antenna Make: Dielectric	Antenna Model: TLS-V4M/VP-R
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°  0.306      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
155°  1.000	283°  1.000

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,705,231
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000122720
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000158238     Facility ID Number: 9617
Application ID Number: 25076ff37b8a0723017b96e62e28050d
CDBS Application ID: 2043782

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):	16.7	13.4	kW 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

4.75 kW TPO - 0.96 dB line loss + 6.42 dB antenna gain = 16.7 kW ERP

6.77 dBk TPO - 0.96 dB line loss + 6.42 dB antenna gain = 12.23 dBk ERP

Directional	Antenna ID No.: 1008629	Pattern Rotation: 0°
Elec. Beam Tilt: 2°
Antenna Make: Dielectric	Antenna Model: TLS-V4M/VP-R
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°  0.306      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
155°  1.000	283°  1.000

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,705,231
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000158238
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000187049     Facility ID Number: 9617
Application ID Number: 25076ff37f8fa68f017fb11e12bf2280
CDBS Application ID: 2046250

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-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000187049
Area:	FCC Service Contour
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Construction Permit (Expires 03/29/2025) 
File Number: 0000187381     Facility ID Number: 9617
Application ID Number: 25076ff37fb3bd37017fc1f80bde15d5
CDBS Application ID: 2045555

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):	22.9	18.3	kW 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

Directional	Antenna ID No.: 1009409	Pattern Rotation: 0°
Elec. Beam Tilt: 2°
Antenna Make: Dielectric	Antenna Model: TLS-V4M/VP-R
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°  0.306      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
155°  1.000	283°  1.000

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,788,688
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000187381
Area:	FCC Service Contour
ULS:	Related facilities in ULS

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):	22.9	18.3	kW 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

Directional	Antenna ID No.: 1009481	Pattern Rotation: 0°
Elec. Beam Tilt: 2°
Antenna Make: Dielectric	Antenna Model: TLS-V4M/VP-R
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°  0.306      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
155°  1.000	283°  1.000

ASRN:	1009012   ULS Data   Other Stations on Tower
Pop:	9,788,688
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000189452
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Licensed 
File Number: 0000197218     Facility ID Number: 9617
Application ID Number: 25076ff3823cb01001825e773ba0288d
CDBS Application ID: 2049451

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):	7.2		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

1.872 kW TPO - 0.42 dB line loss + 6.27 dB antenna gain = 7.2 kW ERP

2.72 dBk TPO - 0.42 dB line loss + 6.27 dB antenna gain = 8.57 dBk ERP

Directional	Antenna ID No.: 120403	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      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°  0.555

240°  0.870    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

ASRN:	1032959   ULS Data   Other Stations on Tower
Pop:	9,755,439
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000197218
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

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: 0000207079     Facility ID Number: 9617
Application ID Number: 25076f9185bffa720185c01a9af30000
CDBS Application ID: 2050861

Location: Willis Tower (IL)
41°	52'	44"	N	(41.878889)	Latitude
87°	38'	8"	W	(-87.635556)	Longitude (NAD83)

Polarization: Elliptical (E)	Horizontal	Vertical
Effective Radiated Power (ERP):	30	19.4	kW ERP
TV Zone: 1	Feet	Meters
Antenna Height Above Average Terrain:	1610'	490.8m
Antenna Height Above Ground Level:	1604'	488.9m
Antenna Height Above Mean Sea Level:	2199'	670.3m

Directional	Antenna ID No.: 1010379	Pattern Rotation: 0°
Elec. Beam Tilt: 1.2°
Antenna Make: ERI	Antenna Model: ETV3H4-ESP4O-12
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°  0.746      10°  0.648      20°  0.759      30°  0.874      40°  0.833      50°  0.772	60°  0.865      70°  0.961      80°  0.895      90°  0.673    100°  0.526    110°  0.602	120°  0.694    130°  0.643    140°  0.565    150°  0.666    160°  0.866    170°  0.957	180°  0.869    190°  0.769    200°  0.789    210°  0.858    220°  0.802    230°  0.733	240°  0.834    250°  0.978    260°  0.977    270°  0.820    280°  0.707    290°  0.753	300°  0.837    310°  0.798    320°  0.762    330°  0.874    340°  0.991    350°  0.947
72°  0.964	102°  0.524	254°  1.000	344°  0.997

ASRN:	1032960   ULS Data   Other Stations on Tower
Pop:	10,196,765
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000207079
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTX Digital Auxiliary Facility
Channel: 12   204 - 210 MHz Construction Permit (Expires 05/01/2026) 
File Number: 0000214259     Facility ID Number: 9617
Application ID Number: 25076ff386f28a4601872961c7bc3572
CDBS Application ID: 2051749

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

Directional	Antenna ID No.: 1010659	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      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

ASRN:	1032959   ULS Data   Other Stations on Tower
Pop:	9,837,099
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000214259
Area:	FCC Service Contour
ULS:	Related facilities in ULS

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

Directional	Antenna ID No.: 1010873	Pattern Rotation: 0°
Antenna Make: RCA	Antenna Model: TBF-2AH (SPECIAL)
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°  0.635      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

ASRN:	1032959   ULS Data   Other Stations on Tower
Pop:	9,837,099
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000217825
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DTV Full Service Digital TV Station
Channel: 12   204 - 210 MHz Pending License Application 
File Number: 0000234857     Facility ID Number: 9617
Application ID Number: 25076f918bd01fdf018bf7b2b890094a
CDBS Application ID: 2054140

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-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000234857
Area:	FCC Service Contour
ULS:	Related facilities in ULS

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-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000234857
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

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-Directional	Antenna 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:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000249867
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DRT Digital Replacement Translator
Channel: 26   542 - 548 MHz Application 
File Number: BDRTCDT-20090818AAP     Facility ID Number: 9617
Application ID Number: 71f8afba5692458ebde8cf6212b6c0ea
CDBS Application ID: 1328049
Site Number: 2

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

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Ground Level:	1467'	447.4m
Antenna Height Above Mean Sea Level:	2062'	628.8m
Emission Mask: Stringent Filter

Directional	Antenna ID No.: 94642	Pattern Rotation: 185°
Elec. Beam Tilt: 2°
Antenna Make: DIE	Antenna Model: TFU-8DSB-M CIRCULARLY POLARIZED
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°  0.895      10°  0.908      20°  0.921      30°  0.942      40°  0.974      50°  0.995	60°  0.985      70°  0.940      80°  0.865      90°  0.775    100°  0.684    110°  0.593	120°  0.497    130°  0.392    140°  0.280    150°  0.197    160°  0.184    170°  0.226	180°  0.257    190°  0.227    200°  0.183    210°  0.194    220°  0.278    230°  0.393	240°  0.502    250°  0.599    260°  0.688    270°  0.778    280°  0.873    290°  0.951	300°  0.993    310°  0.998    320°  0.976    330°  0.944    340°  0.918    350°  0.901
53°  1.000	156°  0.179	204°  0.178	306°  1.000

ASRN:	1032959   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BDRTCDT-20090818AAP
Area:	Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DRT Digital Replacement Translator
Channel: 26   542 - 548 MHz Application 
File Number: BDRTCDT-20090818AAP     Facility ID Number: 9617
Application ID Number: 921d19dee31b4fe5840fcf6212b6c0ea
CDBS Application ID: 1441806
Site Number: 2

41°	56'	18"	N	(41.938333)	Latitude
87°	45'	5"	W	(-87.751389)	Longitude (NAD83)

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Ground Level:	367'	111.9m
Antenna Height Above Mean Sea Level:	980'	298.7m
Emission Mask: Full-Service Filter

Directional	Antenna ID No.: 19181	Pattern Rotation: 140°
Elec. Beam Tilt: 1°
Antenna Make: DIE	Antenna Model: TLP8-F
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°  1.000      10°  0.980      20°  0.940      30°  0.860      40°  0.750      50°  0.640	60°  0.530      70°  0.420      80°  0.300      90°  0.230    100°  0.160    110°  0.090	120°  0.030    130°  0.030    140°  0.030    150°  0.040    160°  0.050    170°  0.070	180°  0.080    190°  0.070    200°  0.060    210°  0.040    220°  0.030    230°  0.030	240°  0.070    250°  0.120    260°  0.170    270°  0.220    280°  0.300    290°  0.410	300°  0.520    310°  0.630    320°  0.750    330°  0.850    340°  0.930    350°  0.980
125°  0.030	225°  0.030

ASRN:	1010769   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BDRTCDT-20090818AAP
Area:	Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DRT Digital Replacement Translator
Channel: 26   542 - 548 MHz Construction Permit (Expires 12/01/2021) 
File Number: BDRTCDT-20090818AAP     Facility ID Number: 9617
Application ID Number: e41c55ad2af34f68a6bdcf6212b6c0ea
CDBS Application ID: 1474864
Site Number: 2

41°	56'	18"	N	(41.938333)	Latitude
87°	45'	5"	W	(-87.751389)	Longitude (NAD83)

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Ground Level:	367'	111.9m
Antenna Height Above Mean Sea Level:	980'	298.7m
Emission Mask: Full-Service Filter

Directional	Antenna ID No.: 107585	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TLP-8/CP-C180-OS-R CIRCULARLY POLARIZED
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°  0.054      10°  0.051      20°  0.061      30°  0.101      40°  0.178      50°  0.290

60°  0.426      70°  0.572      80°  0.710      90°  0.826    100°  0.911    110°  0.965

120°  0.992    130°  1.000    140°  0.998    150°  0.994    160°  0.992    170°  0.994

180°  0.998    190°  1.000    200°  0.992    210°  0.965    220°  0.911    230°  0.826

240°  0.710    250°  0.572    260°  0.426    270°  0.290    280°  0.178    290°  0.101

300°  0.061    310°  0.051    320°  0.054    330°  0.060    340°  0.063    350°  0.060

ASRN:	1010769   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BDRTCDT-20090818AAP
Area:
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: DRT Digital Replacement Translator
Channel: 26   542 - 548 MHz Licensed 
File Number: BLCDT-20140305ABH     Facility ID Number: 9617
Application ID Number: 2f47bd2a23c64e2fbdbccf6212b6c0ea
CDBS Application ID: 1628102
Site Number: 2

41°	56'	18"	N	(41.938333)	Latitude
87°	45'	5"	W	(-87.751389)	Longitude (NAD83)

Polarization: Unknown	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Average Terrain:	367'	111.98m
Antenna Height Above Ground Level:	367'	111.9m
Antenna Height Above Mean Sea Level:	980'	298.7m
Emission Mask: Full-Service Filter

2.3 kW TPO + 8.14 dB gain = 15 kW ERP

3.62 dBk TPO + 8.14 dB gain = 11.76 dBk ERP

Directional	Antenna ID No.: 107585	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TLP-8/CP-C180-OS-R CIRCULARLY POLARIZED
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°  0.054      10°  0.051      20°  0.061      30°  0.101      40°  0.178      50°  0.290

60°  0.426      70°  0.572      80°  0.710      90°  0.826    100°  0.911    110°  0.965

120°  0.992    130°  1.000    140°  0.998    150°  0.994    160°  0.992    170°  0.994

180°  0.998    190°  1.000    200°  0.992    210°  0.965    220°  0.911    230°  0.826

240°  0.710    250°  0.572    260°  0.426    270°  0.290    280°  0.178    290°  0.101

300°  0.061    310°  0.051    320°  0.054    330°  0.060    340°  0.063    350°  0.060

ASRN:	1010769   ULS Data   Other Stations on Tower
Pop:	6,833,903
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for BLCDT-20140305ABH
Area:	FCC Service Contour   Longley-Rice Coverage Map
ULS:	Related facilities in ULS

Licensee (Owner): CBS BROADCASTING INC. (CBS Corporation)
Service Designation: LPD Low-Power Digital TV Station
Channel: 26   542 - 548 MHz Application for Special Temporary Authority 
File Number: 0000024365     Facility ID Number: 9617
Application ID Number: 25076f915b631da3015b634fb8f90000
CDBS Application ID: 2004350

41°	56'	18"	N	(41.938333)	Latitude
87°	45'	5"	W	(-87.751389)	Longitude (NAD83)

Polarization: Horizontal (H)	Horizontal	Vertical
Effective Radiated Power (ERP):	15		kW ERP
TV Zone: Unknown	Feet	Meters
Antenna Height Above Ground Level:	367'	111.9m
Antenna Height Above Mean Sea Level:	980'	298.7m
Emission Mask: Full-Service Filter

Directional	Antenna ID No.: 107585	Pattern Rotation: 0°
Antenna Make: DIE	Antenna Model: TLP-8/CP-C180-OS-R CIRCULARLY POLARIZED
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°  0.054      10°  0.051      20°  0.061      30°  0.101      40°  0.178      50°  0.290

60°  0.426      70°  0.572      80°  0.710      90°  0.826    100°  0.911    110°  0.965

120°  0.992    130°  1.000    140°  0.998    150°  0.994    160°  0.992    170°  0.994

180°  0.998    190°  1.000    200°  0.992    210°  0.965    220°  0.911    230°  0.826

240°  0.710    250°  0.572    260°  0.426    270°  0.290    280°  0.178    290°  0.101

300°  0.061    310°  0.051    320°  0.054    330°  0.060    340°  0.063    350°  0.060

ASRN:	1010769   ULS Data   Other Stations on Tower
Query:	RECNet	FCCInfo	Station Index	FCC TV Query
LMS:	LMS Query	LMS Application
CDBS:	Station Info	Application Info	Mailing Address	Assignments and Transfers
	Application List	Call Sign Changes	Ownership Info	EEO Filings
	Correspondence for WBBM-TV		Correspondence for 0000024365
Area:
ULS:	Related facilities in ULS