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MAPPING IN LPFM SEARCH TOOL NO LONGER AVAILABLE DUE TO US CENSUS BUREAU SYSTEM RETIREMENT - SEE RECNET.COM HOME PAGE FOR MORE INFO - REPORT SITE ISSUES TO MAE AT RECNET.COM / DATABASE UPDATES SATURDAY 6AM PDT
WCHB
TAYLOR MI US
RADIO ONE OF DETROIT, LLC
5900 PRINCESS GARDEN PARKWAY 8TH FLOOR
LANHAM MD 20706
3013061111
FCC Facility ID:
4598
Service Type:
AM Broadcast Station
License Status:
LICEN
Current Frequency:
1200 kHz
Digital Status:
H (HD Radio Hybrid)
1.
BMML-20090715AIZ
GRANTED
10/20/2009|
View Map
FCC Station Class:
B
IFRB Region 2 Class:
B
Time Zone:
Eastern
Antenna Monitor:
POTOMAC INSTRUMENTS 1901
Daytime
Geographic Coordinates:
42-9'24 N / 83-19'56 W
Power:
50 kW
Directional Antenna
Different constants day and night.
Domestic Pattern:
A
Q Factor:
70.7107
RMS Augmented:
2387.73 mV/m at 1km
RMS Theoretical:
2272.92 mV/m at 1km
Towers:
4
Twr
Field
Ratio
Elec
Ht
Phas-
ing
Spac-
ing
Orient
Twr
Ref
Top
Ld
A
B
C
D
A
0.335
71.1
131.6
0
0
N
N
0
0
0
0
B
0.984
71.1
-113.9
90
190
N
N
0
0
0
0
C
1
71.1
0
180
190
N
N
0
0
0
0
D
0.353
71.1
113.1
270
190
N
N
0
0
0
0
Augments:
1
Augment
Central
Azimuth
Radiation at
Central Azimuth
Span
1
131
94.93
10
Nighttime
Geographic Coordinates:
42-9'24 N / 83-19'56 W
Power:
15 kW
Directional Antenna
Different constants day and night.
Domestic Pattern:
A
RMS Augmented:
1333.65 mV/m at 1km
RMS Theoretical:
1269.4 mV/m at 1km
Towers:
10
Twr
Field
Ratio
Elec
Ht
Phas-
ing
Spac-
ing
Orient
Twr
Ref
Top
Ld
A
B
C
D
A
0.199
71.1
103
0
0
N
N
0
0
0
0
B
0.688
71.1
-129.5
90
190
Y
N
0
0
0
0
C
1
71.1
0
90
190
Y
N
0
0
0
0
D
0.735
71.1
127.9
90
190
Y
N
0
0
0
0
E
0.221
71.1
-108.9
90
190
Y
N
0
0
0
0
F
0.125
71.1
117
202
95
N
N
0
0
0
0
G
0.433
71.1
-115.5
90
190
Y
N
0
0
0
0
H
0.63
71.1
14
90
190
Y
N
0
0
0
0
I
0.463
71.1
141.9
90
190
Y
N
0
0
0
0
J
0.139
71.1
-94.9
90
190
Y
N
0
0
0
0
Augments:
3
Augment
Central
Azimuth
Radiation at
Central Azimuth
Span
1
138.5
48.84
10
2
156
89.1
20
3
280
57.42
10
CALL SIGN HISTORY
WBTI - 02/23/1989
WMKM - 02/07/1990
WCHB - 02/22/1980
Where this callsign has been:
on 1440 in INKSTER MI - now
WDRJ
08/23/1996 on 105.9 in DETROIT MI - now
WDMK
BROADCAST AUXILLIARY
RPU
MICROWAVE/STL/ENG
WME881
948.375
WME881
948.625
APPLICATION HISTORY
BP-19801119AA
Minor Mod
GRANT
01/13/1987
BMP-19871120AC
Minor Mod to CP
GRANT
10/04/1988
BMP-19880630AC
ReplaceExpCP
GRANT
09/09/1988
BMP-19881013AB
ReplaceExpCP
GRANT
10/28/1988
BMP-19890309AB
CP Extension
GRANT
04/05/1989
BMP-19890920AC
CP Extension
GRANT
11/28/1989
BMP-19900112AC
Minor Mod to CP
GRANT
06/13/1990
BMP-19901105AH
ReplaceExpCP
GRANT
01/28/1991
BMP-19910627AA
CP Extension
GRANT
07/30/1991
BMP-19911230DC
CP Extension
GRANT
01/30/1992
BL-19920218AD
Lic to Cover
GRANT
05/21/1992
BTC-19930520EA
Transfer Ctrl
GRANT
07/14/1993
BZ-19930604AA
Direct Meas
GRANT
12/16/1993
BP-19940404AC
Major Mod
GRANT
10/30/1996
BR-19960531XQ
Renewal
GRANT
09/27/1996
BMP-19970319AE
Major Mod to CP
GRANT
11/18/1997
From:
E. HAROLD MUNN, JR, NBD BANK, ET. AL
To:
RADIO ONE, INC
BTC-19980108ED
Transfer Ctrl
GRANT
04/01/1998
BMP-19980320JA
CP Extension
GRANT
04/22/1998
From:
BELL BROADCASTING COMPANY
To:
RADIO ONE OF DETROIT, INC.
BAPL-19980604GI
Asgm Lic/Permit
GRANT
06/19/1998
BMP-19981021DA
CP Extension
GRANT
11/06/1998
From:
CATHERINE L. HUGHES
To:
VARIOUS SHAREHOLDERS
BTC-19990202GU
Transfer Ctrl
GRANT
02/23/1999
From:
ALFRED C. LIGGINS, III AND CATHERINE
To:
ALFRED C. LIGGINS, III REVOCABLE TRU
BTC-19990520GJ
Transfer Ctrl
GRANT
05/26/1999
BL-19990802DC
Lic to Cover
GRANT
08/19/1999
BMP-19990806AB
Minor Mod to CP
GRANT
08/19/1999
BSTA-19980504YB
Spec Temp Auth
GRANT
06/10/1998
BOS-19990525AJD
Ownership Rpt
ACCPT
04/05/2001
BLSTA-19981019AAA
Spec Temp Auth
GRANT
01/28/1999
From:
RADIO ONE OF DETROIT, INC.
To:
RADIO ONE OF DETROIT, LLC
BAL-20011030ACF
Assignment of Lic
GRANT
11/08/2001
BSTA-20020605ABQ
Spec Temp Auth
GRANT
07/02/2002
BOA-20030523AFH
Ownership Rpt
ACCPT
05/27/2003
BDN-20031003AEG
Dig Notification
ACCPT
01/09/2004
BR-20040521ACH
Renewal
GRANT
06/06/2005
BOA-20050608AFU
Ownership Rpt
ACCPT
06/14/2005
BOA-20070611AGA
Ownership Rpt
ACCPT
06/13/2007
BSTA-20080219BAU
Spec Temp Auth
GRANT
02/21/2008
BESTA-20080821AAD
Extension of STA
APDIS
06/05/2009
BZ-20081112ALS
Direct Meas
GRANT
04/21/2009
BMML-20090715AIZ
Modify Lic
GRANT
10/20/2009
BOA-20100713ABZ
Ownership Rpt
ACCPT
07/14/2010
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