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Licensing and Management System

Facility ID:52776K21CA-D

Channel:
21
Station Type:
Main
Community:
PLAINS, MT
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Application Technical History

Application
Submit Date
0000219315 Minor Modification Granted, Active Status Date: 08/18/2023 08/15/2023
BLDTL-20091030AIB License To Cover Granted, Active Status Date: 11/03/2009 10/30/2009
BDFCDTL-20090915AAF Digital Flash Cut Granted, In-Active Status Date: 10/15/2009 09/15/2009
BLTTL-19890711II License To Cover Granted, In-Active Status Date: 08/31/1989 07/11/1989
BPTTL-19870702ZN Construction Permit Amendment Granted, In-Active Status Date: 01/11/1988 07/02/1987

Contour Map

Application

File Number:
BLTTL-19890711II
Service:
Low Power Analog TV
Channel:
21
Class:
Application Status:
Granted
Authorization Type:
License
Submit Date:
07/11/1989

LPA Antenna

Site 1

NAD83 Coordinates:
47 31' 14.7" N 114 57' 31.4" W
Make Mode:
SCA PR-450U
Rotation:
135
Antenna Type:
Directional Custom
Antenna Polarization:
Horizontal
ERP
3.3 kW
RCAMSL:
1161 meters
HAAT:
RCAGL:
4 meters

Directional Antenna Relative Field Values (Pre-rotated Pattern)

Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
0 1.0 3.3 90 0.06 0.01188 180 0.025 0.00206 270 0.06 0.01188
10 0.8 2.112 100 0.07 0.01617 190 0.03 0.00297 280 0.06 0.01188
20 0.4 0.528 110 0.07 0.01617 200 0.04 0.00528 290 0.06 0.01188
30 0.15 0.07425 120 0.075 0.01856 210 0.04 0.00528 300 0.06 0.01188
40 0.09 0.02673 130 0.075 0.01856 220 0.07 0.01617 310 0.06 0.0131
50 0.07 0.01617 140 0.065 0.01394 230 0.07 0.0164 320 0.09 0.03234
60 0.065 0.01394 150 0.025 0.00206 240 0.075 0.01856 330 0.18 0.14277
70 0.06 0.01188 160 0.025 0.00206 250 0.075 0.01807 340 0.46 0.81022
80 0.06 0.01188 170 0.025 0.00206 260 0.065 0.01373 350 0.815 2.33958

Additional Azimuths

Rad Field ERP
5 0.95 2.97825
355 0.95 3.04128