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Licensing and Management System

Facility ID:9617WBBM-TV

Channel:
12
Station Type:
Community:
CHICAGO, IL
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Application Technical History

Application
Submit Date
0000234857 Modification to License Amendment (Next Gen) Granted, Active Status Date: 01/26/2024 01/24/2024
0000234857 Modification to License (Next Gen) Superceded, In-Active Status Date: 01/25/2024 01/05/2024
0000217825 License To Cover Granted, Active Status Date: 07/13/2023 07/12/2023
0000214259 Minor Modification Granted, In-Active Status Date: 05/01/2023 04/27/2023
0000207079 Minor Modification Granted, Active Status Date: 01/30/2023 01/18/2023
0000197218 Modification of License Granted, In-Active Status Date: 08/10/2022 08/09/2022
0000189452 License To Cover Granted, Active Status Date: 04/21/2022 04/18/2022
0000187381 Minor Modification Granted, In-Active Status Date: 03/29/2022 03/28/2022
0000187049 License To Cover Granted, In-Active Status Date: 03/24/2022 03/22/2022
0000158238 License To Cover Granted, In-Active Status Date: 09/02/2021 08/31/2021
0000122720 Construction Permit Granted, In-Active Status Date: 10/02/2020 09/29/2020
0000035681 Minor Modification Amendment Granted, In-Active Status Date: 12/01/2020 08/03/2020
0000058561 License To Cover Granted, In-Active Status Date: 09/11/2018 07/25/2018
0000035681 Minor Modification Superceded, In-Active Status Date: 08/04/2020 11/28/2017
BXPCDT-20141212AAI Minor Modification Granted, In-Active Status Date: 08/30/2016 12/12/2014
BLCDT-20140305ABH License To Cover Granted, In-Active Status Date: 03/27/2014 03/05/2014
BDRTCDT-20090818AAP Construction Permit Amendment Superceded, In-Active Status Date: 01/06/2012 08/18/2009
BDRTCDT-20090818AAP Construction Permit Superceded, In-Active Status Date: 11/30/2011 08/18/2009
BDRTCDT-20090818AAP Construction Permit Amendment Granted, In-Active Status Date: 01/18/2012 08/18/2009
BLCDT-20090612ADR License To Cover Granted, In-Active Status Date: 10/28/2011 06/12/2009
BPCDT-20080328ADQ Minor Modification Granted, In-Active Status Date: 04/23/2008 03/28/2008
BLCDT-20050623ABL License To Cover Granted, In-Active Status Date: 07/15/2005 06/23/2005
BPCDT-20040722AAQ Minor Modification Granted, In-Active Status Date: 05/31/2005 07/22/2004
BLCDT-20030501AAC License To Cover Granted, In-Active Status Date: 06/16/2004 05/01/2003
BMPCDT-20011119AAU Minor Modification Granted, In-Active Status Date: 04/23/2003 11/19/2001
BPCDT-19980427KJ Minor Modification Granted, In-Active Status Date: 07/24/1998 04/27/1998

Contour Map

Application

File Number:
BDRTCDT-20090818AAP
Service:
Digital Replacement Translator
Channel:
12
Class:
Application Status:
Superceded
Authorization Type:
CP
Submit Date:
08/18/2009

DRT Antenna

Site 1

NAD83 Coordinates:
41 52' 44.1" N 87 38' 10.2" W
Make Mode:
DIE TFU-8DSB-M CIRCULARLY POLARIZED
Rotation:
185
Antenna Type:
Directional Custom
Antenna Polarization:
ERP
15 kW
RCAMSL:
628.8 meters
HAAT:
RCAGL:
447.4 meters

Directional Antenna Relative Field Values (Pre-rotated Pattern)

Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
0 0.895 12.01537 90 0.775 9.00937 180 0.257 0.96774 270 0.778 9.30234
10 0.908 12.36696 100 0.684 7.01784 190 0.227 0.74326 280 0.873 11.63713
20 0.921 12.72361 110 0.593 5.27473 200 0.183 0.4955 290 0.951 13.68611
30 0.942 13.31046 120 0.497 3.70514 210 0.194 0.61449 300 0.993 14.82551
40 0.974 14.23014 130 0.392 2.30496 220 0.278 1.25715 310 0.998 14.87426
50 0.995 14.85038 140 0.28 1.176 230 0.393 2.44703 320 0.976 14.1951
60 0.985 14.55337 150 0.197 0.58214 240 0.502 3.92755 330 0.944 13.29351
70 0.94 13.254 160 0.184 0.50784 250 0.599 5.54314 340 0.918 12.59409
80 0.865 11.22337 170 0.226 0.76614 260 0.688 7.28713 350 0.901 12.1608

Additional Azimuths

Rad Field ERP
53 1.0 15.0
156 0.179 0.48061
204 0.178 0.48961
306 1.0 14.985