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W21EF-D
Call Sign History
W21EF-D from 09/21/2020
W36DH from 01/12/2007
W66DC from 01/24/2000
W55BY from 10/08/1998
910503RJ from ???
Channel 21DT

Milwaukee, WI
License
CP
Application
Allocation
STA





W21EF-D Service: LD - Digital TV Translator or LPTV Station
Channel: 21 Zone:
Milwaukee, Wisconsin
DTV TSID: 10895
Facility ID: 67935
FRN: 0019813047

Status: APP (Licensed And Silent)
Application Accepted: 12/18/2025
License Expires: 12/01/2029
File Number: 0000285041

FCC Website Links:
  LMS Facility Details
  This Application
  Other W21EF-D Applications
  Including Superseded Applications
  Service Contour - Open Street Map or USGS Map (51 dBu)
  Service Contour - KML / Google Earth (51 dBu)
  Rabbit Ears Info Search for W21EF-D

Site Location: 43-05-17.7 N 87-54-12.8 W (NAD 83)
Site Location: 43-05-17.7 N 87-54-12.5 W (Converted to NAD 27)

ERP: 15 kW
Polarization: Horizontally polarized
R/C AGL: 69.7 m (229 ft.)
R/C AMSL: 270 m (886 ft.)
Emission Mask: Full Service

Site Elevation: 200.3 m. (657 ft.)
Height Overall*: 77.1 m (253 ft.)
(* As Filed In This Application, may differ from ASR Data, Below.)
Directional Antenna - Antenna Make/Model: Propagation System Inc PSILP12SB
Antenna ID: 1013283
Polarization: Horizontally polarized

Primary Station
WOOT-LD Ch. 19Chattanooga, Tennessee
Antenna Data for Antenna Id: 1013283
W21EF-D LD File: -0000285041
Propagation System Inc - PSILP12SB
Service: LD
Standard Pattern: N
Pattern and Field Values Include a 270.0° Clockwise Rotation
AzimuthRatioAzimuthRatioAzimuthRatioAzimuthRatio
00.690100.510200.340300.230
400.180500.160600.170700.210
800.270900.2901000.2701100.210
1200.1701300.1601400.1801500.230
1600.3401700.5101800.6901900.850
2000.9602101.0002200.9502300.840
2400.6902500.5402600.4302700.390
2800.4302900.5403000.6903100.840
3200.9503301.0003400.9603500.850
Structure Information

Structure Registration Number 1064780

Structure Type: GTOWER
Registered To:
American Towers, LLC
Structure Address:
3950 Holton St.
Milwaukee, WI
County Name: Milwaukee County
ASR Issued: 08/29/2022
Date Built: 01/09/2011
Site Elevation: 200.3 m (657 ft.)
Structure Height: 73.2 m (240 ft.)
Height Overall: 77.1 m (253 ft.)
Overall Height AMSL: 277.4 m (910 ft.)
FAA Determination: 08/26/2022
FAA Study #: 2021-AGL-30820-OE
FAA Circular #: 70/7460-1K
Paint & Light FAA Chapters: 4, 6, 12
OM&L to remain the same as prior study = 24-HR MED-STROBES
43-05-17.7 N 87-54-12.8 W (NAD 83)
43-05-17.7 N 87-54-12.5 W
(Converted to NAD 27)
W21EF-D Licensee Information

Digital Networks-Midwest, LLC
PO Box 11409
Chattanooga, TN 37401
Phone: 423-468-5100
Limited Liability Company
0000285041 Applicant Information

Joel Wertman
Title: Coo
Date: 12/18/2025
Application Certifier

Digital Networks-Midwest, LLC
PO Box 11409
Chattanooga, TN 37401
Applicant
Timothy Z Sawyer
T Z Sawyer Technical Consultants
2130 Hutchison Grove Court
Suite 100
Falls Church, VA 22043
Technical Consultant
Aaron P Shainis
Shainis & Peltzman, Chartered
1850 M Street NW
Suite 240
Washington, DC 20036
Legal Counsel
Associated Land Mobile Licenses


(No Records Found)
Associated Microwave Licenses


(No Records Found)

Study Date: 1/01/2026; Study Duration: 0.1103 Seconds.
Database Sources:
01/01/2026 FCC LMS,
12/30/2025 FCC ASR,
12/30/2025 FCC ULS Microwave, and
12/30/2025 FCC ULS Broadcast Land Mobile.



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