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Licensing and Management System

Facility ID:11845WTOP-FM

Channel:
278
Station Type:
Main
Community:
WASHINGTON, DC
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Application Technical History

Application
Submit Date
0000108449 Modification of License Granted, Active Status Date: 03/20/2020 03/19/2020
BMLH-20110215ABQ Modification of License Granted, In-Active Status Date: 03/03/2011 02/15/2011
BXLH-20070614ABB License To Cover Granted, Active Status Date: 06/22/2007 06/14/2007
BMXPH-20051110ADG Minor Modification Granted, In-Active Status Date: 11/18/2005 11/10/2005
BMXPH-20041129AAZ Minor Modification Granted, In-Active Status Date: 01/28/2005 11/29/2004
BXPH-20040428AAD Construction Permit Granted, In-Active Status Date: 07/21/2004 04/28/2004
BLH-19951010KG Modification of License Granted, In-Active Status Date: 02/26/1996 10/10/1995
BLH-19910614KA License To Cover Granted, In-Active Status Date: 02/06/1992 06/14/1991
Allotment Granted, Active Status Date: 12/01/1990 12/01/1990
BPH-19900205IG Modification of License Granted, In-Active Status Date: 04/11/1991 02/05/1990
BLH-19880104KE License To Cover Granted, In-Active Status Date: 08/16/1988 01/04/1988
BLH-19880104KF License To Cover Granted, In-Active Status Date: 08/16/1988 01/04/1988

Contour Map

Application

File Number:
0000108449
Record Type:
FM
NAD83 Coordinates:
38 56' 10.4" N 77 5' 31.9" W
Channel:
278
Class:
B
Domestic Status:
Elevation:
meters
Effective Radiated Power:
44.0 kW

FM Antenna

Site 1

Antenna Type:
Directional
Number of Sections:
4
Wavelength Spacing:
0.877
RCAMSL:
228.0 meters
HAAT:
158.0 meters
Overall antenna height above ground:
130 meters

Directional Antenna Relative Field Values (Pre-rotated Pattern)

Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
0 0.63 17.4636 90 0.99 43.1244 180 1.0 44.0 270 1.0 44.0
10 0.57 14.2956 100 1.0 44.0 190 1.0 44.0 280 1.0 44.0
20 0.58 14.8016 110 1.0 44.0 200 1.0 44.0 290 1.0 44.0
30 0.595 15.5771 120 1.0 44.0 210 1.0 44.0 300 1.0 44.0
40 0.62 16.9136 130 1.0 44.0 220 1.0 44.0 310 1.0 44.0
50 0.64 18.0224 140 1.0 44.0 230 1.0 44.0 320 0.96 40.5504
60 0.72 22.8096 150 1.0 44.0 240 1.0 44.0 330 0.9 35.64
70 0.82 29.5856 160 1.0 44.0 250 1.0 44.0 340 0.8 28.16
80 0.925 37.6475 170 1.0 44.0 260 1.0 44.0 350 0.72 22.8096

Additional Azimuths

Rad Field ERP
94 1.0 44.0