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WMBR

CAMBRIDGE MA

FULL-SERVICE FM

Channel 201 (88.1 MHz)
RDS PI Code: 7483

Technology Broadcasting Corporation
3 Ames Street
Cambridge MA 02142
6172534000
Facility ID: 64683
Licensed

Historic Grid View
View Public File
Correspondence
FRN: 0009873217

L2C 0000161504

Granted

10/21/2021

MODA 0000092534

Granted

02/11/2020

MOD 0000092534

Superceded

02/05/2020

L2C BLED-19950727KD

Granted

10/25/1995

REC Application ID: 211657 (eLMS)
Record Type: Full Service FM
Application Purpose: License to Cover
Expiration Date: 04/01/2022
FRN: 0009873217
Channel: 201A (88.1)
NAD83 Coordinates: 42 21' 42.3" N / 71 5' 1.1" W
REC measured distance to Canada: 298.6 km - bearing 353.4
Elevation: 3 m AMSL
Antenna Type: ODD ODD920326IA

	Horiz	Vert
Effective Radiated Power (kW)	0.72	0.72
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	90 m	90 m
Radiation center-height above ground:	105 m	105 m
Radiation center-above mean sea level:	108 m	108 m

Overall antenna height above ground: 109 m
Directional Antenna:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	0.815	-1.8	0.478	120	0.875	-1.2	0.551	240	1.000	0.0	0.720
10	0.790	-2.0	0.449	130	0.750	-2.5	0.405	250	1.000	0.0	0.720
20	0.795	-2.0	0.455	140	0.685	-3.3	0.338	260	1.000	0.0	0.720
30	0.820	-1.7	0.484	150	0.680	-3.3	0.333	270	1.000	0.0	0.720
40	0.860	-1.3	0.533	160	0.665	-3.5	0.318	280	1.000	0.0	0.720
50	0.935	-0.6	0.629	170	0.660	-3.6	0.314	290	1.000	0.0	0.720
60	1.000	0.0	0.720	180	0.665	-3.5	0.318	300	1.000	0.0	0.720
70	1.000	0.0	0.720	190	0.695	-3.2	0.348	310	1.000	0.0	0.720
80	1.000	0.0	0.720	200	0.750	-2.5	0.405	320	1.000	0.0	0.720
90	1.000	0.0	0.720	210	0.830	-1.6	0.496	330	0.995	0.0	0.713
100	1.000	0.0	0.720	220	0.965	-0.3	0.670	340	0.935	-0.6	0.629
110	0.975	-0.2	0.684	230	1.000	0.0	0.720	350	0.865	-1.3	0.539
Additional Azimuths:
Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
105	1.000	0.0	225	1.000	0.0

Public Notice Comments: LIC TO COVER (BPED-920326IA) FOR CHANGES

MODX BMPED-19950124JC

Granted

08/21/1995

MOD BPED-19920326IA

Granted

08/19/1993

L2C BLED-19890310KA

Granted

06/23/1989

MOD BPED-19880902IH

Granted

11/03/1988

L2C BLED-19791029AS

Granted

03/05/1980

CALL SIGN HISTORY

WTBS - 00/00/0000 (CDBS)
WMBR - 05/24/1979 (CDBS)
WMBR - 00/00/0000 (LMS)
Where this call sign has been:
01/31/1927 - .1370 kHz in CHICAGO IL RSB

For assistance with LPFM, FM and translators, contact REC!

APPLICATION HISTORY

	BPED-1555	Modification	Granted 09/14/1978
	BMPED-19790814AG	CP Extension	Granted 09/28/1979
	BMPED-19790706AF	Modification	Dismissed 12/11/1979
	BLED-19791029AS	License to Cover	Granted 03/05/1980
	BRED-19801201XT	Renewal	Granted 03/30/1981
	BRED-19831201DY	Renewal	Granted 03/16/1984
	BPED-19880902IH	Modification	Granted 11/03/1988
	BLED-19890310KA	License to Cover	Granted 06/23/1989
	BRED-19901128VJ	Renewal	Granted 08/30/1991
	BPED-19890712IA	Modification	Dismissed 01/21/1992
	BPED-19920326IA	Modification	Granted 08/19/1993
	BMPED-19950124JC	CP Extension	Granted 08/21/1995
	BLED-19950727KD	License to Cover	Granted 10/25/1995
	BRED-19971117S3	Renewal	Granted 06/01/1998
	BRED-20051130AHL	Renewal	Granted 03/24/2006
	BRED-20131126BLG	Renewal	Granted 03/24/2014
	0000092534	Modification-Amendment	Granted 02/11/2020
	BSTA-20210621AAB	Special Temporary Auth.-engineering	Granted 06/25/2021
	0000161504	License to Cover	Granted 10/21/2021
	0000174862	Renewal	Granted 03/21/2022
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)

IMPORTED LETTERS

Imported Letter	BSTA-20210621AAB	06/25/2021
History card		01/01/1980