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Licensing and Management System

Facility ID:52776K21CA-D

Channel:
21
Station Type:
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:
BLDTL-20091030AIB
Service:
Low Power Digital TV
Channel:
21
Class:
Application Status:
Granted
Authorization Type:
License
Submit Date:
10/30/2009

LPD Antenna

Site 1

NAD83 Coordinates:
47 31' 14.7" N 114 57' 31.4" W
Make Mode:
SCA PR-450
Rotation:
135
Antenna Type:
Directional Custom
Antenna Polarization:
ERP
1.09 kW
RCAMSL:
1165 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 1.09 90 0.06 0.00392 180 0.025 6.8E-4 270 0.06 0.00392
10 0.8 0.6976 100 0.07 0.00534 190 0.03 9.8E-4 280 0.06 0.00392
20 0.4 0.1744 110 0.07 0.00534 200 0.04 0.00174 290 0.06 0.00392
30 0.15 0.02452 120 0.075 0.00613 210 0.04 0.00174 300 0.06 0.00392
40 0.09 0.00883 130 0.075 0.00613 220 0.07 0.00534 310 0.06 0.00433
50 0.07 0.00534 140 0.065 0.00461 230 0.07 0.00542 320 0.09 0.01068
60 0.065 0.00461 150 0.025 6.8E-4 240 0.075 0.00613 330 0.18 0.04716
70 0.06 0.00392 160 0.025 6.8E-4 250 0.075 0.00597 340 0.46 0.26762
80 0.06 0.00392 170 0.025 6.8E-4 260 0.065 0.00453 350 0.815 0.77277

Additional Azimuths

Rad Field ERP
5 0.95 0.98373
355 0.95 1.00454