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WTTW

CHICAGO IL US

PBS

DIGITAL TV STATION

Channel 47 (Virtual 11)

WINDOW TO THE WORLD COMMUNICATIONS, INC.
5400 NORTH ST. LOUIS AVE
CHICAGO IL 60625

Facility ID: 10802
Licensed

View Public File
Fac Correspondence

1. MOD 0000053672 Granted 05/03/2018

Record Type: Digital TV (DTV) Station
Application Purpose: Modification (New Channel Sharing Agreement)
Channel: 47
Construction Permit Expires: 12/01/2021

Channel Sharing:
Callsign	Virtual	Community	Network	Host
WTTW	(11)	CHICAGO IL	PBS	Y
WYCC	(20)	CHICAGO IL	PBS

SITE # 1

TV Zone: : 1
NAD83 Coordinates: 41 52' 44.1" N / 87 38' 10.2" W
Elevation: 181.4 m AMSL
Antenna Type: AND ATW13H4-HSC1-47S
Antenna Polarization: Horizontal
Effective Radiated Power: 300kW
Maximum Antenna Power Gain: 12.9 dB
Radiation center-above mean sea level: 646.4
Radiation center above average terrain 465
Overall antenna height above ground: 527.3

Antenna System ID: 33534

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	0.850	-1.4	216.750	90	0.640	-3.9	122.880	180	0.830	-1.6	206.670	270	0.775	-2.2	180.188
10	0.750	-2.5	168.750	100	0.760	-2.4	173.280	190	0.795	-2.0	189.608	280	0.780	-2.2	182.520
20	0.630	-4.0	119.070	110	0.870	-1.2	227.070	200	0.785	-2.1	184.868	290	0.810	-1.8	196.830
30	0.520	-5.7	81.120	120	0.940	-0.5	265.080	210	0.810	-1.8	196.830	300	0.860	-1.3	221.880
40	0.430	-7.3	55.470	130	0.985	-0.1	291.068	220	0.840	-1.5	211.680	310	0.920	-0.7	253.920
50	0.380	-8.4	43.320	140	1.000	0.0	300.000	230	0.860	-1.3	221.880	320	0.950	-0.4	270.750
60	0.380	-8.4	43.320	150	0.980	-0.2	288.120	240	0.860	-1.3	221.880	330	0.970	-0.3	282.270
70	0.430	-7.3	55.470	160	0.940	-0.5	265.080	250	0.830	-1.6	206.670	340	0.960	-0.4	276.480
80	0.525	-5.6	82.688	170	0.880	-1.1	232.320	260	0.800	-1.9	192.000	350	0.925	-0.7	256.688

Show More Application Details

2. MOD 0000034877 Granted 12/21/2017

Record Type: Digital TV (DTV) Station
Application Purpose: Modification (Minor)
Channel: 25
Construction Permit Expires: 10/18/2019

SITE # 1

TV Zone: : 1
NAD83 Coordinates: 41 52' 44.1" N / 87 38' 10.2" W
Elevation: 181.4 m AMSL
Antenna Type: RFS PEPL24C
Antenna Polarization: Elliptical
Effective Radiated Power: 250kW
Maximum Antenna Power Gain: 12.9 dB
Radiation center-above mean sea level: 675.6
Radiation center above average terrain 496.0
Overall antenna height above ground: 527.3

Antenna System ID: 1002552

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	0.516	-5.7	66.564	90	0.243	-12.3	14.762	180	0.727	-2.8	132.132	270	0.727	-2.8	132.132
10	0.353	-9.0	31.152	100	0.395	-8.1	39.006	190	0.710	-3.0	126.025	280	0.756	-2.4	142.884
20	0.239	-12.4	14.280	110	0.575	-4.8	82.656	200	0.661	-3.6	109.230	290	0.679	-3.4	115.260
30	0.150	-16.5	5.625	120	0.752	-2.5	141.376	210	0.643	-3.8	103.362	300	0.650	-3.7	105.625
40	0.063	-24.0	0.992	130	0.912	-0.8	207.936	220	0.833	-1.6	173.472	310	0.816	-1.8	166.464
50	0.067	-23.5	1.122	140	0.995	-0.0	247.506	230	0.986	-0.1	243.049	320	0.960	-0.4	230.400
60	0.056	-25.0	0.784	150	0.941	-0.5	221.370	240	0.955	-0.4	228.006	330	0.974	-0.2	237.169
70	0.084	-21.5	1.764	160	0.797	-2.0	158.802	250	0.800	-1.9	160.000	340	0.872	-1.2	190.096
80	0.152	-16.4	5.776	170	0.696	-3.1	121.104	260	0.684	-3.3	116.964	350	0.707	-3.0	124.962
Additional Azimuths:
Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
233	1.000	0.0	250.000	234	1.000	0.0	250.000

Show More Application Details

3. MOD 0000028364 Granted 08/11/2017

4. MOD 0000028364 Superceded 08/10/2017

5. BMLET-20040311ACM Granted 08/13/2004

6. BXLEDT-20040311ACL AUX Granted 12/16/2004

7. BXPEDT-20040113ABK AUX Granted 01/29/2004

8. BDSTA-20020410AAS Granted 04/22/2002

9. BLEDT-20020408ABK Granted 10/17/2002

Domestic Status:License
Channel: 47
Analog Channel: 11
NAD27 Coordinates: 41 52' 44.01" 87 38' 9.99"
NAD83 Coordinates: 41 52' 44.12" 87 38' 10.20"
Elevation: 181 m AMSL
Effective ERP: 300kW
Directional Antenna
Antenna Type: AND ATW13H4-HSC1-47S
Antenna Polarization: Horizontal
Visual Power Output: 17.99kW
Maximum HAAT: 466 m
Radiation center-above mean sea level: 646m
Radiation center above average terrain 465m
Overall antenna height above ground: 521m
Directional Antenna
Antenna System ID: 33534
Antenna Rotation: 0

Rad	Field	ERP	Rad	Field	ERP	Rad	Field	ERP	Rad	Field	ERP
0	0.850	12.998	90	0.640	7.369	180	0.830	12.393	270	0.775	10.805
10	0.750	10.119	100	0.760	10.391	190	0.795	11.370	280	0.780	10.945
20	0.630	7.140	110	0.870	13.617	200	0.785	11.086	290	0.810	11.803
30	0.520	4.864	120	0.940	15.896	210	0.810	11.803	300	0.860	13.305
40	0.430	3.326	130	0.985	17.454	220	0.840	12.694	310	0.920	15.227
50	0.380	2.598	140	1.000	17.990	230	0.860	13.305	320	0.950	16.236
60	0.380	2.598	150	0.980	17.278	240	0.860	13.305	330	0.970	16.927
70	0.430	3.326	160	0.940	15.896	250	0.830	12.393	340	0.960	16.580
80	0.525	4.958	170	0.880	13.931	260	0.800	11.514	350	0.925	15.393

Border Zone: Located near Canada.

Show More Application Details

10. BMPEDT-20000501AIR Granted 05/31/2001

11. BPEDT-19981228LB Granted 07/30/1999

12. BLET-19840209KG Granted 06/29/1984

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: 47
If not approved, they request alternate channel: 11

BROADCAST AUXILIARY/REMOTE PICK-UP/STL
WSM739	455.4125	SEARS TWR 233 S WACKER DR
WSM739	455.4125
WSM739	455.6125	SEARS TWR 233 S WACKER DR
WSM739	455.6125
WPTQ550	2025.5000~2109.5000
WPTQ550	2450.0000~2467.0000
WPTQ550	2467.0000~2483.5000
KR7810	6900.0000~6925.0000
WFD540	6900.0000~6925.0000	2 ILLINOIS CTR 233 N MICHIGAN AVE
KSH62	6925.0000~6950.0000	5400 N ST LOUIS AVE
KDV20	7100.0000~7125.0000	233 SOUTH WACKER DR

CALL SIGN HISTORY

WTTW -

FCC services and solutions for LPFM, full-service FM and FM translators, 1-844-732-5736

APPLICATION HISTORY

BRET-19790801LM	Renewal	Granted	11/30/1979
BPET-19820507KK	Minor Modification	Granted	06/11/1982
BRET-19820802D2	Renewal	Granted	11/19/1982
BMPET-19831108KS	Replace Expired CP	Granted	11/28/1983
BLET-19840209KG	License to Cover	Granted	06/29/1984
BLET-19840605KG	License to Cover-Aux	Granted	06/29/1984
BRET-19870803KE	Renewal	Granted	11/16/1987
BRET-19920803LK	Renewal	Granted	11/30/1992
BRET-19970801LE	Renewal	Granted	11/19/1997
BPEDT-19981228LB	Minor Modification	Granted	07/30/1999
BMPEDT-20000501AIR	Minor Modify CP	Granted	05/31/2001
BOA-20010801	Ownership Report(s)	Accepted for Filing	09/14/2001
BLEDT-20020408ABK	License to Cover	Granted	10/17/2002
BDSTA-20020410AAS	Special Temporary Authority	Granted	04/22/2002
BEDSTA-20020925ACZ	Special Temporary Authority	Granted	10/15/2002
BEDSTA-20030325AEI	Special Temporary Authority	Granted	04/08/2003
BOA-20030728	Ownership Report(s)	Accepted for Filing	07/29/2003
BEDSTA-20030912ADA	Special Temporary Authority	Granted	10/03/2003
BAFEDT-20031124AGE	Ancillary Fee	Received	11/24/2003
BXPEDT-20040113ABK	Auxiliary Permit	Granted	01/29/2004
BSTA-20040112ADJ	Special Temporary Authority	Dismissed	03/12/2004
BMLET-20040311ACM	Modify License	Granted	08/13/2004
BXLEDT-20040311ACL	License to Cover-Aux	Granted	12/16/2004
BEDSTA-20040322AHX	Special Temporary Authority	Granted	04/08/2004
BEDSTA-20040901AER	Special Temporary Authority	Granted	09/28/2004
BCERET-20041021ADX	Pre-Election Certif.	Tendered for Filing	10/22/2004
BAFEDT-20041116ACZ	Ancillary Fee	Received	11/17/2004
BEDSTA-20050301AEK	Extension of STA	Granted	03/30/2005
BFREET-20050209AKZ	First Round Election	Approved	06/23/2005
BRET-20050729CYS	Renewal	Granted	12/14/2006
BOA-20050729	Ownership Report(s)	Accepted for Filing	08/01/2005
BEDSTA-20050818ACT	Special Temporary Authority	Granted	10/11/2005
BAFEDT-20051108AAV	Ancillary Fee	Received	11/09/2005
BEDSTA-20060317AFM	Extension of STA	Granted	04/06/2006
BAFEDT-20061115ABL	Ancillary Fee	Received	11/16/2006
BOA-20070725	Ownership Report(s)	Accepted for Filing	07/26/2007
BAFEDT-20071109AAL	Ancillary Fee	Received	11/13/2007
BDTRET-20080211ADJ	DTV Transition Report	Accepted for Filing	02/12/2008
BDERET-20080701ADH	DTV Education Report	Received	07/02/2008
BDERET-20081003ABW	DTV Education Report	Received	10/06/2008
BAFEDT-20081117AAZ	Ancillary Fee	Received	11/18/2008
BDERET-20090109AJF	DTV Education Report	Received	01/12/2009
	Analog Termination Notif	Accepted for Filing	03/17/2009
BDERET-20090408AII	DTV Education Report	Received	04/09/2009
BDTUET-20090415ABW	DTV Transition Update	Accepted for Filing	04/16/2009
BDEREDT-20090709ALA	DTV Education Report	Received	07/10/2009
BOA-20090730	Ownership Report(s)	Accepted for Filing	07/31/2009
BAFEDT-20091022ABU	Ancillary Fee	Received	10/23/2009
BAFEDT-20101201AMD	Ancillary Fee	Received	12/02/2010
BOA-20110725	Ownership Report(s)	Accepted for Filing	07/26/2011
BAFEDT-20111128FUL	Ancillary Fee	Received	11/30/2011
BAFEDT-20121022AAX	Ancillary Fee	Received	10/23/2012
BOA-20130709	Ownership Report(s)	Accepted for Filing	07/10/2013
BREDT-20130725ACD	Renewal	Granted	10/10/2014
BAFEDT-20131107ADZ	Ancillary Fee	Received	11/08/2013
BAFEDT-20131108ACU	Ancillary Fee	Received	11/12/2013
BAFEDT-20141008AAY	Ancillary Fee	Received	10/09/2014
0000002457	Form 318	Received	06/30/2015
BOA-20150714	Ownership Report(s)	Accepted for Filing	07/15/2015
0000005351	Form 317	Received	11/05/2015
BAFEDT-20151104GIM	Ancillary Fee	Received	11/05/2015
0000016144	Update	Received	10/14/2016
0000016747	Form 317	Received	11/07/2016
0000028362	Reimbursement Costs	Submitted	07/12/2017
0000028360	Reimbursement Costs	Submitted	07/12/2017
0000028364	Minor	Granted	08/11/2017
0000028360	Reimbursement Costs	Submitted	08/29/2017
0000028360	Reimbursement Costs	Submitted	08/31/2017
0000028360	Reimbursement Costs	Submitted	08/31/2017
0000033125	NTPR	Received	10/10/2017
0000032233	NTPR	Received	10/10/2017
0000034877	Minor	Granted	12/21/2017
0000038815	NTPR	Received	01/09/2018
0000028360	Reimbursement Costs	Submitted	01/24/2018
0000050904	NTPR	Received	04/09/2018
0000053672	New Channel Sharing Agreement	Granted	05/03/2018
0000057528	NTPR	Received	07/10/2018
0000028360	Reimbursement Costs	Submitted	08/23/2018
0000028360	Reimbursement Costs	Submitted	09/25/2018
0000062170	NTPR	Received	10/10/2018
0000028360	Reimbursement Costs	Submitted	10/18/2018
0000028360	Reimbursement Costs	Submitted	11/15/2018
0000028360	Reimbursement Costs	Submitted	11/28/2018
0000066501	NTPR	Received	01/10/2019
0000028360	Reimbursement Costs	Submitted	03/22/2019
A red arrow means this application has additional transaction log history since July 1, 2014. Click the arrow to expand.
A blue arrow means that some details may be available through public notice data. Click the arrow to expand. (Provided by the REC Radio History Project)