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KGNU-FM

BOULDER CO

FULL-SERVICE FM

Channel 203 (88.5 MHz)
RDS PI Code: 213e

Boulder Community Broadcast Association, Inc.
4700 Walnut Street
Boulder CO 80301
3034494885
Facility ID: 6512
Licensed
HD Radio digital hybrid

Historic Grid View
View Public File
Correspondence
FRN: 0006024319

MOD 0000269509

Granted

05/15/2025

REC Application ID: 5502399 (eLMS)
Record Type: Full Service FM
Application Purpose: Modification
FRN: 0006024319
Community of license: BOULDER, CO
Channel: 203C2 (88.5)
NAD83 Coordinates: 40 5' 47.3" N / 104 54' 5.9" W
Antenna Structure Registration Number: 1034537
Elevation: 1551.4 m AMSL

	Horiz	Vert
Effective Radiated Power (kW)	8.1	8.1
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	290 m	290 m
Radiation center-height above ground:	258 m	258 m
Radiation center-above mean sea level:	1809 m	1809 m

Overall antenna height above ground: 356.6 m
Structure Type: GTOWER
Directional Antenna:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	0.342	-9.3	0.947	120	0.916	-0.8	6.796	240	1.000	0.0	8.100
10	0.431	-7.3	1.505	130	0.728	-2.8	4.293	250	1.000	0.0	8.100
20	0.543	-5.3	2.388	140	0.579	-4.7	2.715	260	1.000	0.0	8.100
30	0.683	-3.3	3.779	150	0.460	-6.7	1.714	270	1.000	0.0	8.100
40	0.860	-1.3	5.991	160	0.390	-8.2	1.232	280	1.000	0.0	8.100
50	1.000	0.0	8.100	170	0.375	-8.5	1.139	290	0.841	-1.5	5.729
60	1.000	0.0	8.100	180	0.390	-8.2	1.232	300	0.420	-7.5	1.429
70	1.000	0.0	8.100	190	0.437	-7.2	1.547	310	0.220	-13.2	0.392
80	1.000	0.0	8.100	200	0.550	-5.2	2.450	320	0.184	-14.7	0.274
90	1.000	0.0	8.100	210	0.692	-3.2	3.879	330	0.193	-14.3	0.302
100	1.000	0.0	8.100	220	0.871	-1.2	6.145	340	0.242	-12.3	0.474
110	1.000	0.0	8.100	230	1.000	0.0	8.100	350	0.272	-11.3	0.599

MOD 0000262026

Granted

02/03/2025

MOD 0000157412

Granted

01/12/2022

L2CA BLED-20100528ADY

Granted

06/16/2010

REC Application ID: 1375392 (eLMS)
Record Type: Full Service FM
Application Purpose: License to Cover-Amendment
FRN: 0006024319
Channel: 203A (88.5)
NAD83 Coordinates: 39 59' 32.9" N / 105 9' 17.9" W
Elevation: 1702 m AMSL
Antenna Type: SHI 6016-1/4-DA
Antenna Sections (bays): 1
Transmitter Power Output: 3.875 kW

	Horiz	Vert
Effective Radiated Power (kW)	4	4
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	65 m	65 m
Radiation center-height above ground:	30 m	30 m
Radiation center-above mean sea level:	1732 m	1732 m

Overall antenna height above ground: 46 m
Directional Antenna:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	0.698	-3.1	1.949	120	1.000	0.0	4.000	240	1.000	0.0	4.000
10	0.839	-1.5	2.816	130	1.000	0.0	4.000	250	1.000	0.0	4.000
20	1.000	0.0	4.000	140	1.000	0.0	4.000	260	1.000	0.0	4.000
30	1.000	0.0	4.000	150	1.000	0.0	4.000	270	1.000	0.0	4.000
40	1.000	0.0	4.000	160	1.000	0.0	4.000	280	1.000	0.0	4.000
50	1.000	0.0	4.000	170	1.000	0.0	4.000	290	1.000	0.0	4.000
60	1.000	0.0	4.000	180	1.000	0.0	4.000	300	1.000	0.0	4.000
70	1.000	0.0	4.000	190	1.000	0.0	4.000	310	0.851	-1.4	2.897
80	1.000	0.0	4.000	200	1.000	0.0	4.000	320	0.679	-3.4	1.844
90	1.000	0.0	4.000	210	1.000	0.0	4.000	330	0.570	-4.9	1.300
100	1.000	0.0	4.000	220	1.000	0.0	4.000	340	0.570	-4.9	1.300
110	1.000	0.0	4.000	230	1.000	0.0	4.000	350	0.620	-4.2	1.538

Public Notice Comments: License to cover. Engineering Amendment filed 06/11/2010

MOD BPED-20080409AAD

Granted

06/13/2008

MOD BPED-19870902IA

Granted

12/02/1987

L2C BLED-1807

Granted

10/28/1985

BROADCAST AUXILIARY/REMOTE PICK-UP/STL
WDD685	950.5000	4700 Walnut Street

CALL SIGN HISTORY

KGNU - 00/00/0000 (CDBS)
KGNU-FM - 08/27/2004 (CDBS)
KGNU-FM - 00/00/0000 (LMS)
Where this call sign has been:
10/01/1965 on 1430 in SANTA CLARA CA - now KVVN (RHP)
08/27/2004 on 1390 in DENVER CO - now KGNU (CDBS)

TRANSLATORS/BOOSTERS/SATELLITES
1.	K254CH	FORT COLLINS CO
2.	K229AC	NEDERLAND CO

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APPLICATION HISTORY

	BPED-1992		Modification	Granted 01/01/1939
	BMPED-1551		Modification	Dismissed 06/29/1981
	BLED-1807		License to Cover	Granted 10/28/1985
		Granted : 1985-10-28 00:00:00		Original App.
	BPED-19870902IA		Modification	Granted 12/02/1987
	BRED-19891204UE		Renewal	Granted 05/31/1990
	BRED-19961202ZE		Renewal	Granted 03/27/1997
	BRED-20041201BDB		Renewal	Granted 05/20/2005
From: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (OLD BOARD)
To: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (NEW BOARD)
	BTCED-20060622ABG		Transfer of Control	Granted 06/30/2006
	BPED-20080409AAD		Modification	Granted 06/13/2008
From: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (OLD BOARD)
To: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (NEW BOARD)
	BTCED-20081201AEF		Transfer of Control	Granted 12/12/2008
	BDNED-20090226ACT		Digital Notification	Pending 03/16/2009
	BDNED-20090226ACT		Digital Notification	Pending 03/16/2009
	-20100528AEY		Program Test Authority	Granted 06/16/2010
	BLED-20100528ADY		License to Cover-Amendment	Granted 06/16/2010
	BRED-20121127AHU		Renewal	Granted 03/22/2013
From: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (OLD BOARD)
To: BOULDER COMMUNITY BROADCAST ASSOCIATION, INC. (NEW BOARD)
	BTCED-20150406ACD		Transfer of Control	Granted 04/22/2015
	0000128205		Renewal	Granted 03/22/2021
	0000157412		Modification	Granted 01/12/2022
	0000262026		Modification	Granted 02/03/2025
	0000269509		Modification	Granted 05/15/2025
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

History card

01/01/1980