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K12XK-D

DENVER CO

DIGITAL TV TRANSLATOR/LPTV

Channel 12

MAINSTREET BROADCASTING COMPANY, INC.
516 MAIN STREET
WALSENBURG CO 81089
7197383636
Facility ID: 22834
Licensed

Correspondence
FRN: 0003714938

0000268363

Granted

03/25/2025

REC Application ID: 5500994 (LMS)
Record Type: Digital Low Power TV Station
Application Purpose: Modify License (Minor)
Channel: 12
Expiration Date: 03/25/2028

SITE # 1

NAD83 Coordinates: 39 35' 59.6" N / 105 12' 36.8" W
Elevation: 2728 m AMSL
Antenna Type: SCA CA2
Antenna Polarization: Horizontal
Effective Radiated Power: 2kW
Radiation center-above mean sea level: 2742
Overall antenna height above ground: 30.5
Directional Antenna:
Antenna System ID: 89783
Antenna Rotation: 40

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	1.000	0.0	2.000	120	0.097	-20.3	0.019	240	0.097	-20.3	0.019
10	0.978	-0.2	1.913	130	0.145	-16.8	0.042	250	0.070	-23.1	0.010
20	0.915	-0.8	1.674	140	0.175	-15.1	0.061	260	0.055	-25.2	0.006
30	0.808	-1.9	1.306	150	0.218	-13.2	0.095	270	0.050	-26.0	0.005
40	0.675	-3.4	0.911	160	0.242	-12.3	0.117	280	0.075	-22.5	0.011
50	0.510	-5.8	0.520	170	0.250	-12.0	0.125	290	0.190	-14.4	0.072
60	0.345	-9.2	0.238	180	0.260	-11.7	0.135	300	0.345	-9.2	0.238
70	0.190	-14.4	0.072	190	0.250	-12.0	0.125	310	0.510	-5.8	0.520
80	0.075	-22.5	0.011	200	0.242	-12.3	0.117	320	0.675	-3.4	0.911
90	0.050	-26.0	0.005	210	0.218	-13.2	0.095	330	0.808	-1.9	1.306
100	0.055	-25.2	0.006	220	0.175	-15.1	0.061	340	0.915	-0.8	1.674
110	0.070	-23.1	0.010	230	0.145	-16.8	0.042	350	0.978	-0.2	1.913

0000131988

Granted

01/25/2021

0000121285

Granted

10/13/2020

0000053992

Granted

01/25/2019

0000053992

Superceded

01/24/2019

0000053992

Superceded

07/16/2018

0000053992

Superceded

06/05/2018

BLDTL-20120802ABC

Granted

08/20/2012

BLTTL-19900403JG

Granted

07/16/1990

BMPTTL-19890719IB

Granted

09/28/1989

BMPTT-19881104IB

Granted

02/28/1989

BMPTT-19890213IK

Granted

02/28/1989

BPTT-19880511IA

Granted

08/12/1988

BLTT-19850930ID

Granted

10/08/1985

BMPTT-19850617IC

Granted

06/25/1985

BPTT-19800908IU

Granted

06/21/1984

CALL SIGN HISTORY

800908IU - 00/00/0000 (CDBS)
K60CF - 06/21/1984 (CDBS)
K17CF - 08/12/1988 (CDBS)
K27MA-D - 08/20/2012 (CDBS)
K12XK-D - 06/21/1984 (LMS)
K27MA-D - 00/00/0000 (LMS)
K12XK-D - 01/25/2021 (LMS)

PERIODS OF SILENCE

Dates	Reason	# Days
03/09/2009~03/02/2010		358
04/19/2010~03/21/2011		336
08/03/2011~
02/03/2013~01/25/2014		356
01/23/2020~01/21/2021		364

APPLICATION HISTORY

	BPTT-19800908IU	Construction Permit	Granted 06/21/1984
	BMPTT-19850617IC	CP Extension	Granted 06/25/1985
	BLTT-19850930ID	License to Cover	Granted 10/08/1985
	BALTT-19851122IB	Assign License/CP	Granted 01/16/1986
	BRTT-19861021IA	Renewal	Granted 05/26/1987
	BRTT-19870330IN	Renewal	Granted 05/29/1987
	BPTT-19880511IA	Modification	Granted 08/12/1988
	BMPTT-19890213IK	CP Extension	Granted 02/28/1989
	BMPTT-19881104IB	Modification	Granted 02/28/1989
	BMPTTL-19890719IB	Modification	Granted 09/28/1989
	BAPLTT-19891227II	Assign License/CP	Granted 03/05/1990
	BLTTL-19900403JG	License to Cover	Granted 07/16/1990
	BRTTL-19920124JO	Renewal	Granted 05/27/1992
	BRTT-19970130EV	Renewal	Granted 05/30/1997
	BRTT-19971125AE	Renewal	Granted 04/02/1998
	BRTT-20051125ACM	Renewal	Granted 04/11/2006
	BLSTA-20090310AAG	Silent STA	Granted 03/16/2009
	BLESTA-20091007AAX	Resume Operations	Granted 10/19/2009
	-	Resume Operations	Granted 03/03/2010
	BLSTA-20100419AAQ	Silent STA	Pending 04/20/2010
	-	Resume Operations	Granted 03/28/2011
	BLSTA-20110805AAX	Silent STA	Pending 08/08/2011
	BDISDTL-20120227ABN	Displacement	Granted 05/29/2012
	BLDTL-20120802ABC	License to Cover	Granted 08/20/2012
	BAFDDT-20121203BJD	Ancillary Fee	Received 12/04/2012
	BLSTA-20130206ACE	Silent STA	Pending 02/07/2013
	BAFDDT-20131202AFV	Ancillary Fee	Received 12/02/2013
	-	Resume Operations	Granted 01/28/2014
	BAFDDT-20141203ABD	Ancillary Fee	Received 12/04/2014
	BALDTL-20180430AAC	Assign License/CP	Granted 06/12/2018
	0000053992	MODDA)	Granted 01/25/2019
	0000099564	Silent STA	Granted 01/23/2020
	0000121285	Extension Request	Granted 10/13/2020
	0000131988	License to Cover	Granted 01/25/2021
	0000171103	Renewal	Granted 03/28/2022
	0000268363	Modify License	Granted 03/25/2025
Add 1 consummation notice to list above.
A red arrow means this application has additional transaction log history since July 1, 2014. Click the arrow to expand.
A blue arrow means that some details may be available through public notice data. Click the arrow to expand. (Provided by the REC Radio History Project)

IMPORTED LETTERS

Incoming letter or scanned document		12/05/2014
Incoming letter or scanned document		12/05/2013
Incoming letter or scanned document		12/05/2012
Incoming letter or scanned document	BLESTA-20091007AAX	10/19/2009
Incoming letter or scanned document	BLSTA-20090310AAG	03/17/2009