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KOSF(FM)
Call Sign History
KOSF from 01/03/2012
KKSF-FM from 12/13/2011
KKSF from 08/07/1987
KLOK-FM from 01/03/1984
KGO-FM from 05/03/1982
103.7 MHz

San Francisco, CA
License
CP
Application
Allocation
STA





KOSF Channel: 279B 103.7 MHz
San Francisco, California
Service: FS - A full service FM station auxiliary transmitting antenna or application.
Facility ID: 65484
Fac. Service: FM Analog & Digital

Status: License
Application Accepted: 04/21/2015
Application Granted: 04/30/2015
File Number: BXLH-20150421AAG
KOSF License Expires: 12/01/2021
Prefix Type: This is BXLH
Application Type: License To Cover

FCC Website Links:
  LMS Facility Details
  This Application
  CDBS Application
  Other KOSF Applications
  Other KOSF Applications in CDBS
  Including Superseded Applications
  Mailing Address
  Correspondence for KOSF
  Correspondence related to application BXLH-20150421AAG
  Service Contour - Open Street Map or USGS Map (54 dBu)
  Service Contour - KML / Google Earth (54 dBu)
  Public Inspection Files
  History Cards for KOSF

Facility Type: FM STATION
Class: B, A Zone I or I-A station; with 25kW-50kW ERP and a class contour distance 39km-52km

Site Location: 37-45-18.7 N 122-27-09.9 W (NAD 83)
Site Location: 37-45-19.0 N 122-27-06.0 W (Converted to NAD 27)

Effective Radiated Power: 4.8 kW
Transmitter Output Power: 6.25 kW
Antenna Center HAAT: 271 m (889 ft.)
Antenna Center AMSL: 302 m (991 ft.)
Antenna Center HAG: 48 m (157 ft.)

Calculated Site Elevation: 254 m. (833 ft.)
Height Overall*: 298 m (978 ft.)
(* As Filed In This Application, may differ from ASR Data, Below.)
Omni-Directional Antenna
Antenna Make/Model: Electronics Research Inc. MPX-4E-HW, 4 section, 0.5 wavelength spaced
Antenna ID: 0
Polarization:

Associated Facilities
KOSF-FM2 Pleasanton, Etc., California
Structure Information

Structure Registration Number 1001289

Structure Type: TOWER
Registered To:
SUTRO TOWER INC
Structure Address:
1 La Avanzada St
San Francisco, CA
County Name: San Francisco County
ASR Issued: 03/27/1998
Date Built: 03/27/1998
Site Elevation: 254.2 m (834 ft.)
Structure Height: 237.7 m (780 ft.)
Height Overall: 297.7 m (977 ft.)
Overall Height AMSL: 551.9 m (1811 ft.)
FAA Determination: 02/09/1998
FAA Study #: 98-AWP-0241-OE
FAA Circular #: 70/7460-1H
Paint & Light FAA Chapters: 4, 9, 13
37-45-19.0 N 122-27-10.0 W (NAD 83)
37-45-19.3 N 122-27-06.1 W
(Converted to NAD 27)
KOSF(FM) Licensee Information

AMFM BROADCASTING LICENSES, LLC
7136 S. Yale Avenue
Suite 501
Tulsa, OK 74136
Phone: 918-664-4581
Limited Liability Company
BXLH-20150421AAG Applicant Information

STEPHEN G. DAVIS
Date: 04/21/2015
Application Certifier
AMFM BROADCASTING LICENSES, LLC
2625 S. Memorial Dr.
Suite A
Tulsa, OK 74129
Applicant
TROY G LANGHAM
2625 S Memorial Drive
Suite A
Tulsa, OK 74129
FCC FILING SUPERVISOR
AMFM BROADCASTING LICENSES, LLC
Iheartmedia

Associated Land Mobile Licenses


 KPG946 Broadcast Auxiliary Remote Pickup
 KPG947 Broadcast Auxiliary Remote Pickup
 WQEN289 Broadcast Auxiliary Remote Pickup
Associated Microwave Licenses


 WHM974 950 MHz Aural Studio Transmitter Link
 WQPS673 950 MHz Aural Studio Transmitter Link

Study Date: 9/27/2020; Study Duration: 0.1939 Seconds.
Database Sources: 9/24/2020 FCC CDBS,
09/25/2020 FCC LMS,
FCC ASR,
FCC ULS Microwave, and
FCC ULS Broadcast Land Mobile.



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