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WIAB

MACKINAW CITY MI

FULL-SERVICE FM

Channel 203 (88.5 MHz)
RDS PI Code: 69c9

Interlochen Arts Group
4000 M-137
Interlochen MI 49643
2312764446
Facility ID: 89513
Licensed

Historic Grid View
View Public File
Correspondence
FRN: 0035918028

MOD 0000277250

Granted

08/27/2025

REC Application ID: 5511047 (eLMS)
Record Type: Full Service FM
Application Purpose: Modification
FRN: 0035918028
Community of license: MACKINAW CITY, MI
Channel: 203C1 (88.5)
NAD83 Coordinates: 45 30' 5.2" N / 85 1' 48.9" W
Antenna Structure Registration Number: 1000703
REC measured distance to Canada: 104.0 km - bearing 51.8
Elevation: 374.9 m AMSL

	Horiz	Vert
Effective Radiated Power (kW)	50	50
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	282.7 m	282.7 m
Radiation center-height above ground:	141.7 m	141.7 m
Radiation center-above mean sea level:	516.6 m	516.6 m

Overall antenna height above ground: 201.2 m
Structure Type: TOWER
Directional Antenna:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	1.000	0.0	50.000	120	1.000	0.0	50.000	240	0.317	-10.0	5.024
10	1.000	0.0	50.000	130	1.000	0.0	50.000	250	0.399	-8.0	7.960
20	1.000	0.0	50.000	140	1.000	0.0	50.000	260	0.502	-6.0	12.600
30	1.000	0.0	50.000	150	0.795	-2.0	31.601	270	0.632	-4.0	19.971
40	1.000	0.0	50.000	160	0.632	-4.0	19.971	280	0.795	-2.0	31.601
50	1.000	0.0	50.000	170	0.502	-6.0	12.600	290	1.000	0.0	50.000
60	1.000	0.0	50.000	180	0.399	-8.0	7.960	300	1.000	0.0	50.000
70	1.000	0.0	50.000	190	0.317	-10.0	5.024	310	1.000	0.0	50.000
80	1.000	0.0	50.000	200	0.292	-10.7	4.263	320	1.000	0.0	50.000
90	1.000	0.0	50.000	210	0.292	-10.7	4.263	330	1.000	0.0	50.000
100	1.000	0.0	50.000	220	0.292	-10.7	4.263	340	1.000	0.0	50.000
110	1.000	0.0	50.000	230	0.292	-10.7	4.263	350	1.000	0.0	50.000

L2C BLED-20171005AAC

Granted

10/27/2017

REC Application ID: 1753967 (eLMS)
Record Type: Full Service FM
Application Purpose: License to Cover
Expiration Date: 10/01/2020
FRN: 0002765030
Channel: 203C1 (88.5)
NAD83 Coordinates: 45 34' 7" N / 85 2' 35.2" W
REC measured distance to Canada: 100.4 km - bearing 55.5
Elevation: 357 m AMSL
Antenna Type: PSI PSIFMR-8C-DA, eight sections
Antenna Sections (bays): 8
Spacing Between Bays: 1
Transmitter Power Output: 9.17 kW

	Horiz	Vert
Effective Radiated Power (kW)	50	50
Maximum Effective Radiated Power: (kW)	0	0
Radiation center above average terrain	239 m	239 m
Radiation center-height above ground:	114 m	114 m
Radiation center-above mean sea level:	471 m	471 m

Overall antenna height above ground: 137 m
Directional Antenna:

Rad	Field	dB	ERP	Rad	Field	dB	ERP	Rad	Field	dB	ERP
0	1.000	0.0	50.000	120	1.000	0.0	50.000	240	0.595	-4.5	17.701
10	1.000	0.0	50.000	130	1.000	0.0	50.000	250	0.750	-2.5	28.125
20	1.000	0.0	50.000	140	1.000	0.0	50.000	260	0.945	-0.5	44.651
30	1.000	0.0	50.000	150	1.000	0.0	50.000	270	1.000	0.0	50.000
40	1.000	0.0	50.000	160	1.000	0.0	50.000	280	1.000	0.0	50.000
50	1.000	0.0	50.000	170	1.000	0.0	50.000	290	1.000	0.0	50.000
60	1.000	0.0	50.000	180	0.915	-0.8	41.861	300	1.000	0.0	50.000
70	1.000	0.0	50.000	190	0.730	-2.7	26.645	310	1.000	0.0	50.000
80	1.000	0.0	50.000	200	0.600	-4.4	18.000	320	1.000	0.0	50.000
90	1.000	0.0	50.000	210	0.500	-6.0	12.500	330	1.000	0.0	50.000
100	1.000	0.0	50.000	220	0.450	-6.9	10.125	340	1.000	0.0	50.000
110	1.000	0.0	50.000	230	0.475	-6.5	11.281	350	1.000	0.0	50.000

Public Notice Comments: License to cover.

MOD BPED-20150312AAB

Granted

03/23/2016

MOD BPED-20100707EAA

Granted

03/12/2012

L2C BLED-20030407ACF

Granted

04/15/2003

L2C BLED-20000712AAA

Granted

01/03/2001

MOD BPED-20000121ABS

Granted

06/18/2002

CP BPED-19971230MA

Granted

01/14/1999

CALL SIGN HISTORY

WAAQ - 02/08/1999 (CDBS)
WDQV - 07/03/2000 (CDBS)
WIAB - 07/25/2005 (CDBS)
WIAB - 02/08/1999 (LMS)
Where this call sign has been:
08/01/1922 - .1190 kHz in ROCKFORD IL RSB
08/10/1981 on 1330 in MOUNT JULIET TN - now DWMJT (CDBS)

APPLICATION HISTORY

	BPED-19971230MA	Construction Permit	Granted 01/14/1999
	BMPED-19990225MC	Modification	Returned 03/16/1999
From: GREAT LAKES BROADCAST ACADEMY INC
To: BROADCAST MUSIC MINISTRIES INC.
	BAPED-19990827HY	Assign License/CP	Granted 01/11/2000
	BLED-20000712AAA	License to Cover	Granted 01/03/2001
	-20000712ABW	Program Test Authority	Granted 01/03/2001
	BPED-20000121ABS	Modification	Granted 06/18/2002
	BLED-20030407ACF	License to Cover	Granted 04/15/2003
From: OLD BOARD OF DIRECTORS
To: NEW BOARD OF DIRECTORS
	BTCED-20040625AAV	Transfer of Control	Granted 07/08/2004
	BRED-20040528AMD	Renewal	Granted 09/20/2004
From: BROADCAST MUSIC MINISTRIES, INC.
To: INTERLOCHEN CENTER FOR THE ARTS
	BALED-20050114AEI	Assign License/CP	Granted 03/14/2005
	-	Resume Operations	Granted 08/22/2005
	BPED-20100707EAA	Modification	Granted 03/12/2012
From: INTERLOCHEN CENTER FOR THE ARTS (OLD BOARD)
To: INTERLOCHEN CENTER FOR THE ARTS (NEW BOARD)
	BTCED-20120529AFX	Transfer of Control	Granted 06/13/2012
	BRED-20120529AGW	Renewal	Granted 09/25/2012
	BPED-20150312AAB	Modification	Granted 03/23/2016
	BLED-20171005AAC	License to Cover	Granted 10/27/2017
	0000114748	Renewal	Granted 09/16/2020
	0000149820	Administrative Update	Received 06/07/2021
	0000277250	Modification	Granted 08/27/2025
	0000295359	Special Temporary Auth.-engineering	Granted 04/16/2026
Add 7 consummation notices 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)