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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 0000262026

Granted

02/03/2025

REC Application ID: 5494151 (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	8
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	299 m	299 m
Radiation center-height above ground:	268 m	268 m
Radiation center-above mean sea level:	1819 m	1819 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	0.341	-9.3	0.930	120	0.916	-0.8	6.712	240	0.944	-0.5	7.129
10	0.429	-7.4	1.472	130	0.728	-2.8	4.240	250	0.750	-2.5	4.500
20	0.540	-5.4	2.333	140	0.579	-4.7	2.682	260	0.596	-4.5	2.842
30	0.680	-3.3	3.699	150	0.460	-6.7	1.693	270	0.473	-6.5	1.790
40	0.856	-1.4	5.862	160	0.390	-8.2	1.217	280	0.376	-8.5	1.131
50	1.000	0.0	8.000	170	0.375	-8.5	1.125	290	0.299	-10.5	0.715
60	1.000	0.0	8.000	180	0.390	-8.2	1.217	300	0.237	-12.5	0.449
70	1.000	0.0	8.000	190	0.425	-7.4	1.445	310	0.195	-14.2	0.304
80	1.000	0.0	8.000	200	0.520	-5.7	2.163	320	0.184	-14.7	0.271
90	1.000	0.0	8.000	210	0.654	-3.7	3.422	330	0.192	-14.3	0.295
100	1.000	0.0	8.000	220	0.823	-1.7	5.419	340	0.242	-12.3	0.469
110	1.000	0.0	8.000	230	1.000	0.0	8.000	350	0.272	-11.3	0.592

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)
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

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
	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
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