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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
REC Application ID: 5255480 (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' 42.1" N / 71 5' 7.9" W
REC measured distance to Canada: 298.5 km - bearing 353.4
Elevation: 3 m AMSL
Antenna Type: Shively Labs 6810-2R-SS-DA
Antenna Sections (bays): 2
Spacing Between Bays: 0.5
Transmitter Power Output: 0.509 kW
  Horiz Vert
Effective Radiated Power (kW)0.64 0.64
Maximum Effective Radiated Power: (kW)0 0
Radiation center above average terrain92 m92 m
Radiation center-height above ground:107 m107 m
Radiation center-above mean sea level:110 m110 m
Overall antenna height above ground: 111.3 m
Structure Type: BTWR
Directional Antenna:
Rad Field dB ERP Rad Field dB ERP Rad Field dB ERP
00.930-0.60.554 1200.617-4.20.244 2401.0000.00.640
100.880-1.10.496 1300.600-4.40.230 2501.0000.00.640
200.852-1.40.465 1400.600-4.40.230 2601.0000.00.640
300.836-1.60.447 1500.600-4.40.230 2701.0000.00.640
400.815-1.80.425 1600.600-4.40.230 2801.0000.00.640
500.800-1.90.410 1700.620-4.20.246 2901.0000.00.640
600.763-2.30.373 1800.655-3.70.275 3001.0000.00.640
700.740-2.60.350 1900.701-3.10.314 3101.0000.00.640
800.700-3.10.314 2000.781-2.10.390 3201.0000.00.640
900.650-3.70.270 2100.920-0.70.542 3301.0000.00.640
1000.638-3.90.261 2200.985-0.10.621 3401.0000.00.640
1100.629-4.00.253 2301.0000.00.640 3500.970-0.30.602
MODA 0000092534 Granted 02/11/2020
MOD 0000092534 Superceded 02/05/2020
L2C BLED-19950727KD H Granted 10/25/1995
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
Nautel for LPFM.
APPLICATION HISTORY
  BPED-1555 Modification Granted
09/14/1978
Public Notice Details BMPED-19790814AG CP Extension Granted
09/28/1979
Public Notice Details BMPED-19790706AF Modification Dismissed
12/11/1979
Public Notice Details BLED-19791029AS License to Cover Granted
03/05/1980
Public Notice Details BRED-19801201XT Renewal Granted
03/30/1981
Public Notice Details BRED-19831201DY Renewal Granted
03/16/1984
Public Notice Details BPED-19880902IH Modification Granted
11/03/1988
Public Notice Details BLED-19890310KA License to Cover Granted
06/23/1989
Public Notice Details BRED-19901128VJ Renewal Granted
08/30/1991
Public Notice Details BPED-19890712IA Modification Dismissed
01/21/1992
Public Notice Details BPED-19920326IA Modification Granted
08/19/1993
Public Notice Details BMPED-19950124JC CP Extension Granted
08/21/1995
Public Notice Details BLED-19950727KD License to Cover Granted
10/25/1995
Public Notice Details BRED-19971117S3 Renewal Granted
06/01/1998
Public Notice Details BRED-20051130AHL Renewal Granted
03/24/2006
Public Notice Details BRED-20131126BLG Renewal Granted
03/24/2014
Transaction log data 0000092534 Modification-Amendment Granted
02/11/2020
Public Notice Details BSTA-20210621AAB Special Temporary Auth.-engineering Granted
06/25/2021
Transaction log data 0000161504 License to Cover Granted
10/21/2021
Transaction log data 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 LetterBSTA-20210621AAB06/25/2021
History card 01/01/1980
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