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Licensing and Management System

Facility ID:125320KJCX-LD

Channel:
27
Station Type:
Community:
HELENA, MT

Application Technical History

Application
Submit Date
BDCCDTT-20140825ACF Digital Companion Channel Granted, Active Status Date: 11/14/2014 08/25/2014
BDFCDTT-20090729AFC Digital Flash Cut Cancelled, In-Active Status Date: 10/21/2009 07/29/2009
BMP-20061103ABW Minor Modification Dismissed, In-Active Status Date: 05/16/2007 11/03/2006
BLTTL-20050912AAF License To Cover Granted, Active Status Date: 09/20/2005 09/12/2005
BMPTTL-20040802AZQ Minor Modification Superceded, In-Active Status Date: 08/04/2004 08/02/2004
BMPTTL-20040802AZQ Minor Modification Amendment Granted, In-Active Status Date: 08/06/2004 08/02/2004
BNPTTL-20000807AFF Construction Permit Amendment Granted, In-Active Status Date: 03/15/2004 08/14/2000
BNPTTL-20000807AFF Construction Permit Superceded, In-Active Status Date: 10/26/2001 08/14/2000
BNPTTL-20000807AFF Construction Permit Amendment Superceded, In-Active Status Date: 03/11/2004 08/14/2000

Contour Map


Application

File Number:
BLTTL-20050912AAF
Service:
Low Power Analog TV
Channel:
27
Class:
Application Status:
Granted
Authorization Type:
License
Submit Date:
09/12/2005

LPA Antenna

Site 1

NAD83 Coordinates:
46 46' 10.7" N 112 1' 27.9" W
Make Mode:
SCA 4DR-8S
Rotation:
170
Antenna Type:
Directional Custom
Antenna Polarization:
ERP
10 kW
RCAMSL:
1555 meters
HAAT:
RCAGL:
30 meters

Directional Antenna Relative Field Values (Pre-rotated Pattern)

Rad Field ERP Rad Field ERP Rad Field ERP Rad Field ERP
0 1.0 10.0 90 0.03 0.009 180 0.11 0.121 270 0.07 0.0555
10 0.98 9.604 100 0.03 0.009 190 0.1 0.09312 280 0.115 0.155
20 0.917 8.40889 110 0.02 0.004 200 0.065 0.03782 290 0.21 0.50176
30 0.813 6.60969 120 0.02 0.004 210 0.03 0.00841 300 0.35 1.33956
40 0.68 4.624 130 0.02 0.004 220 0.02 0.004 310 0.51 2.77729
50 0.53 2.809 140 0.03 0.009 230 0.02 0.00441 320 0.68 4.80249
60 0.35 1.225 150 0.04 0.016 240 0.03 0.00961 330 0.81 6.7322
70 0.14 0.196 160 0.07 0.049 250 0.04 0.01722 340 0.915 8.49162
80 0.06 0.036 170 0.105 0.11025 260 0.055 0.03192 350 0.98 9.64324