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Facility ID Call Sign Find Stations in or by community name or ZIP code CDBS ARN/LMS File #
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KZSF
SAN JOSE CA
AM BROADCAST
1370 kHz
CARLOS A. DUHARTE
KZSF 1370-AM
2343 BERING DRIVE
SAN JOSE CA 95131
4085467201
Facility ID: 68841
Licensed
Historic Grid View
View Public File
Correspondence
FRN: 0009634924
 
This record has been enhanced by the REC Radio History Project. Pre-1980 data has been manually entered by REC based on information from FCC History Cards. Click here to learn more.
MOD BMML-20170322ABL Superceded 03/19/2018
MOD BMML-20170322ABL Granted 04/12/2018
MLA BMML-20121005AGW Granted 11/26/2013
REC Application ID: (LMS)
Legacy CDBS Application ID: 1565701
Record Type: Full Service AM
Application Purpose: Modify License-Amendment
Application Purpose: Minor
FRN: 0009634924
Community of license: SAN JOSE, CA, US
NAD83 Coordinates: 37 21' 27.8" N / 121 52' 20.8" W
Frequency: 1370 kHz
FCC Station Class: B
Daytime | View Towers
Primary Tower Coordinates: 37 21' 27.8" N / 121 52' 20.8" W
Power: 5.000 kW
Directional Antenna: Y
RMS Standard: 747.97 mV/m at 1km
RMS Standard: 712 mV/m at 1km
Twr Field
Ratio		 Elec.
Ht.		 Phas-
ing		 Spac-
ing		 Orien-
tation		 Tower
Ref		 Top
Load		 Sw
A		 Sw
B		 Sw
C		 Sw
D		 Tower
Height
A197.8000NN0.00.00.00.059.5m
B0.40797.871.4123.361NN0.00.00.00.059.5m
C0.37197.8-92.682.2341NN0.00.00.00.059.5m
D0.87597.8-11991.3251NN0.00.00.00.059.5m
Show field strength tabulations... Display pattern of directional antenna.
Show field strength tabulations... Display directional pattern in tabular form.
 
Nighttime | View Towers
Primary Tower Coordinates: 37 21' 27.8" N / 121 52' 20.8" W
Power: 5.000 kW
Directional Antenna: Y
RMS Standard: 747.97 mV/m at 1km
RMS Standard: 712 mV/m at 1km
Twr Field
Ratio		 Elec.
Ht.		 Phas-
ing		 Spac-
ing		 Orien-
tation		 Tower
Ref		 Top
Load		 Sw
A		 Sw
B		 Sw
C		 Sw
D		 Tower
Height
A197.8000NN0.00.00.00.059.5m
B0.40797.871.4123.361NN0.00.00.00.059.5m
C0.37197.8-92.682.2341NN0.00.00.00.059.5m
D0.87597.8-11991.3251NN0.00.00.00.059.5m
Show field strength tabulations... Display pattern of directional antenna.
Show field strength tabulations... Display directional pattern in tabular form.
 
ML BMML-20121005AGW Superceded 08/01/2013
L2C BL-19950203AA Granted 01/22/1996
MOD BP-19931008AB Granted 02/04/1994
MOD BP-19860530AB Denied 09/17/1987
ML BML-19820104AH Granted 01/20/1982
BL-10625 H Granted 08/26/1964
BMP-11231 H Granted 06/10/1964
BMP-11060 H Granted 12/06/1963
BP-14842 H Granted 03/20/1963
BP-14842 H Superceded 09/10/1962
BL-6649 H Granted 09/19/1957
BMP-7615 H Granted 04/17/1957
BMP-7499 H Granted 01/08/1957
BMP-7443 H Granted 11/27/1956
BP-9255 H Granted 04/25/1956
BL-2526 H Granted 08/21/1947
BZ-2346 H Granted 08/21/1947
BMP-2472 H Granted 02/19/1947
B5-P-4061 H Granted 12/06/1946
B5-P-4061 H Superceded 12/26/1945
CALL SIGN HISTORY
KEEN - 08/21/1941 (RHP)
KEEN - 00/00/0000 (CDBS)
KKSJ - 10/11/1993 (CDBS)
KZSF - 01/20/1998 (CDBS)
Where this call sign has been:
03/20/1995 on 92.7 in ALAMEDA CA - now KEXC (CDBS)
01/20/1998 on 92.7 in ALAMEDA CA - now KEXC (CDBS)
For assistance with LPFM, FM and translators, contact REC!
APPLICATION HISTORY
  B5-P-4061 Construction Permit Granted
12/06/1946
  BMP-2472 Minor Modify CP Granted
02/19/1947
  BMP-2902 Chg Main Studio Location Granted
07/16/1947
  BMP-2902 Main Studio Change Granted
07/16/1947
  BZ-2346 Direct Measurement Granted
08/21/1947
  BL-2526 License to Cover Granted
08/21/1947
From: UNITED BROADCASTING COMPANY, A CO-PARTNERSHIP COMPOSED OF GEORGE MARDIKIAN, GEORGE SNELL, BARNARD FLOYD FARR, S.A. MELNICOE AND ALFRED ARAM
To: UNITED BROADCASTING COMPANY
  BAL-772 Assignment Granted
04/13/1949
  BML-1447 Chg Main Studio Location Granted
09/19/1950
  BML-1447 Main Studio Change Granted
09/19/1950
  BP-9255 Modification Granted
04/25/1956
  BMP-7443 CP Extension Granted
11/27/1956
  BMP-7499 Minor Modify CP Granted
01/08/1957
  BMP-7615 CP Extension Granted
04/17/1957
  BL-6649 License to Cover Granted
09/19/1957
  BP-14842 Modification Granted
03/20/1963
  BMP-11060 CP Extension Granted
12/06/1963
  BMP-11231 CP Extension Granted
06/10/1964
  BL-10625 License to Cover Granted
08/26/1964
  BR-1602 Natl Defense Emerg Auth Granted
12/18/1967
  BRC-3415 Chg Remote Control Point Granted
05/11/1970
  BR-1602 NED) Granted
05/11/1970
  EBSA- Emerg Broadcast System Granted
05/25/1972
  LETTER- Chg Main Studio Location Granted
07/26/1979
  LETTER- Main Studio Change Granted
07/26/1979
Transaction log data BTC-19810915FA Transfer of Control Granted
11/18/1981
Public Notice Details BML-19820104AH Modify License Granted
01/20/1982
Transaction log data BTC-19830711FU Transfer of Control Granted
07/21/1983
Transaction log data BAL-19831004FN Assign License/CP Granted
10/19/1983
Transaction log data BAL-19840611EO Assign License/CP Granted
06/21/1984
Transaction log data BAL-19851227EN Assign License/CP Granted
02/18/1986
Public Notice Details BP-19860530AB Modification Denied
09/17/1987
  BLSTA-19931116AAA Special Temporary Auth.-engineering Granted
01/19/1994
Public Notice Details BP-19931008AB Modification Granted
02/04/1994
Transaction log data BL-19950203AA License to Cover Granted
01/22/1996
Transaction log data BAL-19960827EA Assign License/CP Granted
10/18/1996
Transaction log data BAL-19970521EF Assign License/CP Granted
07/31/1997
Transaction log data BAL-19980205GK Assign License/CP Granted
02/23/1998
Transaction log data BTC-19980622EN Transfer of Control Granted
08/13/1998
Transaction log data BAL-19990202GG Assign License/CP Granted
02/26/1999
Transaction log data BTC-19990901GH Transfer of Control Granted
09/08/1999
Transaction log data BAL-19991126AAZ Assign License/CP Granted
12/27/1999
Transaction log data BAL-20010508AAO Assign License/CP Granted
07/31/2001
  BSTA-20101021ADR Special Temporary Auth.-engineering Granted
10/25/2010
  BESTA-20110418AEP Extension Request Granted
06/08/2011
  BESTA-20111123DET Extension Request Granted
02/06/2012
  BESTA-20120907ADO Extension Request Granted
10/24/2012
  BR-20130725ADB Renewal Granted
11/22/2013
Transaction log data BMML-20121005AGW Modify License-Amendment Granted
11/26/2013
Transaction log data BMML-20170322ABL Modification Granted
04/12/2018
Transaction log data 0000153790 Renewal Granted
11/22/2021
Transaction log data 0000233373 Special Temporary Auth.-engineering Granted
01/10/2024
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
 Incoming letter or scanned document 04/12/2018
 Imported Letter 03/19/2018
 Incoming letter or scanned document 01/24/2018
 Incoming letter or scanned document 04/05/2017
 Incoming letter or scanned document 03/22/2017
 Incoming letter or scanned document 07/17/2013
 Incoming letter or scanned document 07/01/2013
 Incoming letter or scanned document 07/01/2013
 STA related 10/24/2012
 Incoming letter or scanned document 10/05/2012
 Incoming letter or scanned document 10/05/2012
 STA related 02/06/2012
 Incoming letter or scanned document 10/26/2010
 History card 01/01/1980
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