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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:
BXLH-20070614ABB
Record Type:
FS
NAD83 Coordinates:
39 2' 32.0" N 77 2' 48.0" W
Channel:
278
Class:
B
Domestic Status:
Elevation:
meters
Effective Radiated Power:
44 kW

FS Antenna

Site 1

Antenna Type:
Directional
Number of Sections:
3
Wavelength Spacing:
1.0
RCAMSL:
224 meters
HAAT:
138 meters
Overall antenna height above ground:
108 meters

Directional Antenna Relative Field Values (Pre-rotated Pattern)

Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
0 0.24 2.5344 90 0.66 19.1664 180 1.0 44.0 270 1.0 44.0
10 0.22 2.1296 100 0.75 24.75 190 1.0 44.0 280 0.96 40.5504
20 0.22 2.1296 110 0.84 31.0464 200 1.0 44.0 290 0.88 34.0736
30 0.22 2.1296 120 0.93 38.0556 210 1.0 44.0 300 0.79 27.4604
40 0.24 2.5344 130 0.98 42.2576 220 1.0 44.0 310 0.67 19.7516
50 0.29 3.7004 140 1.0 44.0 230 1.0 44.0 320 0.54 12.8304
60 0.36 5.7024 150 1.0 44.0 240 1.0 44.0 330 0.43 8.1356
70 0.44 8.5184 160 1.0 44.0 250 1.0 44.0 340 0.35 5.39
80 0.55 13.31 170 1.0 44.0 260 1.0 44.0 350 0.29 3.7004