What is a Coordinated Repeater?

A repeater is considered coordinated when it has been recognized and blessed off by the designated organization in an area in the context of its operating parameters, such as the repeater's frequency pair, and other parameters, such as whether the machine operates in carrier mode, or uses PL / CTCSS tones. Though it is not strictly required that a repeater be coordinated, it is highly advisable, since an uncoordinated repeater carries a significant portion of the burden in resolving interference issues, should they come up.

The following list is a compilation of coordinated repeaters in the Northeast Illinois and Chicago regions, as recognized by the Illinois Repeater Association, which is the officially recognized coordinating organization for amateur repeaters in Illinois. The information was last updated on February 16, 2004.

Coordinated Repeaters Sorted by Frequency

Comment Key
O - Carrier Access WX - Weather Net
C - Closed Access L - Link and/or Crossband
AP - Autopatch X - Wide Area Coverage
CA - Closed Autopatch LiTZ - Long Tone Zero
DS - Dual Squelch P - Portable
E - Emergency Power Z - Autopatch to Law Enforcement

10 Meter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Tinley Park 29.6600 - WA9GOB WA9GOB 114.8  

6 Meter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Itasca 51.7000 51.2000 WA9ZZU WA9ZZU 192.8 C
DeKalb 52.8500 51.1500 W9GG R-FAR 100.0 O
Chicago 52.8900 51.1900 K9SAD SADFAR 131.8 AP
Crystal Lake 52.9100 51.9100 K9VI BUCKFAR M1 114.8 E
Schaumburg 52.9500 51.9500 N9KNS MOTOROLA A 114.8 E
Des Plaines 53.0500 51.3500 WB9QZB +WB9QZB    
Crystal Lake 53.1700 51.4700 W9CEE CEEARS 107.2  
Deerfield 53.2500 51.5500 N9GUN CHINET    
Chicago 53.3300 51.6300 W9GG STANFAR 100.0  
Batavia 53.9100 52.2100 N9ODP N9ODP 114.8 AP E L Z

2 Meter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Chicago 145.1100 - W9GN UFDA 107.2 APCO 25
Kankakee 145.1300 - KB9LXA FARG 107.2 CA
Schaumburg 145.1500 - N9IRG BEAR 107.2 AP E Z [Temp. Off Air]
Naperville 145.1700 - WA9DNZ MORAD 103.5 AP
Argonne 145.1900 - W9ANL ARGONNARC    
Schaumburg 145.2300 - K9IIK SARC 107.2 CA
Downers Grove 145.2500 - W9DUP DARC 107.2 CA E IRLP Node 5370
Antioch 145.2900 - KA9VZD STLIN ARC   AP E L Z
Hoffman Estates 145.3100 - W9CCU WCRA    
Crystal Lake 145.3300 - N9HEP N9HEP 107.2 CA E
Morrison 145.3500 - W9CEE CEEARS 107.2 E
Wasco 145.3500 - W9CEE CEEARS 107.2  
Schaumburg 145.3700 - K9SO AMA    
Glen Ellyn 145.3900 - W9CCU WCRA 107.2 CA E Z
McHenry 145.4100 - KB9I ARROW   CA E Z
Batavia 145.4700 - KB9RYA KCARS 103.5 E
Westmont 145.4900 - WB9UGX WSTMTESDA 107.2 AP E L RACES
Batavia 146.5800 147.6600 W9ZGP NIARC   E
Blue Island 146.6400 - W9SRC STARS 107.2 E
Crystal Lake 146.6550 - KB9WGV KB9WGV 107.2  
Chicago 146.6700 - WB9AET WAFAR 107.2 CA L Z
Union 146.6850 - N9KHI N9KHI 107.2  
Schaumburg 146.7000 - WB9PHK STROKE 100.0 CA L
Plainfield 146.7150 - KA9OOP ARP 107.2 CA
Chicago 146.7300 - K9QKW K9QKW 107.2 CA E
Chicago 146.7600 - WA9ORC CFMC 107.2 CA
Elgin 146.7900 - WR9ABQ VARA 107.2 CA E
Hazelcrest 146.8050 - WD9HSY TRITOWN AR 107.2 E
Joliet 146.8200 - W9OFR WCARL 107.2 E
Woodstock 146.8350 - K9ESV MCESDA 107.2 E WX RACES
Chicago 146.8500 - WA9DZO M.A.P.S.   E L
Chicago 146.8800 - K9GFY SARA 107.2 CA Z
Gilberts 146.9250 - WA9VGI RATFAR 100.0  
Kankakee 146.9400 - W9AZ KARS   AP
Bridgeview 146.9550 - WB9ZPE WB9ZPE 114.8 AP
Hinsdale 146.9700 - K9ONA SMCC 107.2  
Arlington Heights 146.9850 - WB9TAL ARCOMLEAGU 107.2 AP
Elk Grove Village 147.0150 + KB9L EGDXA 107.2 E
Lake Villa 147.0300 + WB9RKD WB9RKD 107.2 AP E L Z
Hines 147.0600 147.0600 WB9AGH NE IL COMM   E
Glenview 147.0900 + W9AP NORA 107.2 CA E Z
Markham 147.1350 + W9NXP AREA    
Chicago 147.1500 + W9SRO CFAR 107.2  
Kankakee 147.1650 + KB9JZJ KB9JZJ 107.2 AP
Libertyville 147.1800 + W9FUL LAKE CO RA 127.3 E RACES
Aurora 147.2100 + W9CEQ FRRL, INC. 103.5 E
Gurnee 147.2400 + W9MAB GURNEE RG 127.3 CA E
Morris 147.2700 + KB9SZK GCARC 107.2 E WX
Schaumburg 147.2850 + N9CXQ NAPS 107.2 CA E L Z
Joliet 147.3000 + WD9AZK MAVERICK A   CA Z
Niles 147.3150 + W9FO METRO ARC 107.2  
Bolingbrook 147.3300 + WD9AKO BARS   CA E
Winnetka 147.3450 + NS9RC NSRC 107.2 CA E
Wheaton 147.3600 + W9BZW NORTHERN I 136.5  
Yorkville 147.3750 + N9FNS N9FNS 103.5 ARES

1.35 Meter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Joliet 223.8200 - W9OFR WCARL   O AP E L
Westmont 223.8600 - N9TO N9TO   IRLP Node 8190
Chicago 223.8800 - KC9EBB KB9SFB 110.9  
Mt. Prospect 223.9000 - WB9UOM ORD 220   C
Hampshire 223.9200 - W9ZS W9ZS   C
Schaumburg 223.9400 - N9EP WRC 110.9 L
Park Forest 223.9600 - WB9UAR   110.9 CA
Chicago 224.0200 - W9TMC TMCARC 103.5  
Chicago 224.0600 - WD9GEH WD9GEH 110.9  
Gurnee 224.0800 - W9MAB GURNEE RG   CA E
Chicago 224.1000 - WA9ORC CFMC   CA
Glen Ellyn 224.1400 - W9CCU WCRA 110.9 AP E L Z
Brookfield 224.1600 - K9SAD SADFAR 110.9 AP E L Z
Hazel Crest 224.1800 - WA9ORC CFMC    
Naperville 224.2000 - W9NPD NPDARC 110.9  
Bloomingdale 224.2200 - K9NB BARK 110.9  
Deerfield 224.2400 - KA9REN CHINET   CA E
Northbrook 224.2600 - WB9KNX WB9KNX 110.9 E
Deerfield 224.3200 - NS9RC NSRC 110.9 CA
Chicago 224.3400 - W9RA DONFAR 103.5  
Lisle 224.3600 - W9US FUBAR 110.9 AP E L Z
Rolling Meadows 224.3800 - WB9WNK MATS 110.9 AP L
Batavia 224.4000 - W9XA W9XA 114.8 E L IRLP Node 4846
New Lenox 224.4200 - N2BJ N2BJ   AP E L
Itasca 224.5000 - WA9ZZU WA9ZZU 192.8 C
Bolingbrook 224.5400 - K9BAR BARS   CA E Z
Schaumburg 224.5600 - K9EL EGDXA 110.9 L
Buffalo Grove 224.5800 - WB9TAL ARCOMLEAGU 110.9 CA L
Glenview 224.6000 - W9AP NORA 110.9  
Lisle 224.6200 - WA9AEK WA9AEK 110.9  
Batavia 224.6400 - N9ODP N9ODP   O AP E WX RACES
West Chicago 224.6400 - N9XP N9XP 110.9 [Under Const.]
Schaumburg 224.6600 - WB9YBM WB9YBM   C
Clarendon Hills 224.6800 - W9DUP DARC    
Crystal Lake 224.7000 - K9VI K9QI 100.0 E L
Chicago 224.7200 - KA9QPZ WSNSTVARC 114.8 CA E
Schaumburg 224.7600 - N9CXQ NAPS 110.9 CA E L Z
Park Ridge 224.7800 - KB9II FAROUT    
Wheaton 224.8200 - KE9A DART 110.9 ARES
Chicago 224.8600 - W9SRO CFAR 110.9  
Oak Brook 224.8800 - KB2MAU RAYFAR   AP E
Schaumburg 224.8800 - KB2MAU RAYJACK 110.9  
Downers Grove 224.9200 - NK9M NK9M/DARN    
Orland Park 224.9400 - N2BJ ANDREWS RA   AP E L
Schiller Park 224.9800 - WB9AET WAFAR 110.9 CA

70 Centimeter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Lockport 442.0250 + NC9T P.A.D.X.A. 100.0  
Bloomingdale 442.0500 + N9JYA N9JYA    
Chicago 442.0750 + NS9RC NSRC 100.0 E
Libertyville 442.1000 + W9GWP W9GWP 114.8  
Libertyville 442.1000 + W9GWP W9GWP 114.8  
Chicago 442.1250 + WD9GEH WD9GEH 203.5  
Elgin 442.1250 + KB9PWP KB9PWP 118.8  
Barrington Hills 442.1500 + WD9IAE WD9IAE    
Chicago 442.1750 + K9WGN WGNTVARC   [Temp. Off Air]
Naperville 442.2250 + WA9WSL LUCENT IHA 114.8 L
Schaumburg 442.2750 + K9IIK SARC 114.8  
Joliet 442.3000 + W9OFR WCARL 114.8 E
North Chicago 442.3250 + N9FJS LBRG   CA E
Chicago 442.3750 + WB9PIZ WB9PIZ 114.8  
Marengo 442.3750 + KA9LOY N9AWQ 210.7 CA L
Chicago 442.4000 + K9NBC PARC 114.8 E
Grays Lake 442.4250 + N9MRT K9SA 114.8 L
Chicago 442.4500 + K9QKB MRCA   C
Sugar Grove 442.4750 + KA9HPL KA9HPL   AP
Crete\Steger 442.5000 + KE9FC WOODFAR 114.8 AP L
Libertyville 442.5250 + W9CEE CEEARS 114.8 E
Downers Grove 442.5500 + W9DUP DARC 114.8 CA
Chicago 442.5750 + K9CDW SATURN    
Cherry Valley 442.6250 + W9FT PIGFAR 100.0  
Melrose Park 442.6250 + W9FT PIGFAR 114.8  
Marengo 442.6750 + K9AMJ K9AMJ 100.0 E L
Orland Park 442.6750 + W9SRC STARS 131.8  
Lisle 442.7000 + WA9AEK WA9AEK 203.5  
Naperville 442.7000 + K9VXW K9VXW 114.8  
Winnetka 442.7250 + NS9RC NSRC 114.8 E
Schaumburg 442.7750 + W9TK W9TK 110.9 CA E
Schaumburg 442.8000 + N9EP WRC 114.8 L IRLP Node 4630
Plainfield 442.8500 + KA9OOP ARP    
Downers Grove 442.8750 + W9PCS York RC 114.8 IRLP Node 4774
Schaumburg 442.9000 + WA9VGI FISHFAR 114.8 AP
Lombard 442.9500 + WB9HYB WB9HYB 114.8  
Chicago 442.9750 + WA9VGI FISHFAR 114.8 AP
Chicago 443.0000 + W9LM NARC 114.8  
Dundee 443.0250 + W9DWP W9DWP/KCOE    
Naperville 443.0500 + WB9QAH NEMA 114.8 CA
Cary 443.0750 + WB9PHK STROKE 114.8 CA L
Schaumburg 443.1000 + WB9PHK STROKE 114.8 CA L
Westmont 443.1250 + KG9F KG9F 114.8 C
Northbrook 443.1500 + N9OZB ARG 114.8 E APCO 25, IRLP Node 7440
Aurora 443.2000 + N9EAO FROGFAR #2 114.8 [Under Const.]
Crystal Lake 443.2000 + N9EAO FROGFAR #2 114.8 L
Downers Grove 443.2000 + N9EAO FROGFAR #2 114.8  
Orland Park 443.2250 + KB9KV ANDREWS RA   AP E L IRLP
Lake Zurich 443.2500 + K9SA SUHFARS 114.8 CA
Oak Forest 443.2750 + N9ZD N9ZD 114.8 E
La Grange Park 443.3000 + K9ONA SMCC 114.8  
Frankfort 443.3250 + WD9HSY WD9HSY 114.8  
Lake Zurich 443.3500 + K9SA K9SA 114.8 CA E L
Chicago 443.3750 + K9QKW WB9RFQ    
Lockport 443.4000 + KB2MAU RAYFAR 114.8  
Gurnee 443.4250 + KF9PI GUFAR 131.8  
Crystal Lake 443.4750 + N9HEP N9HEP 114.8 E
Dekalb 443.5000 + WA9Z WA9Z 118.8  
Gurnee 443.5000 + W9MAB GURNEE RG 127.3 CA E
Bolingbrook 443.5250 + K9BAR BARS   CA Z
Sheridan 443.5500 + N9LCH N9LCH 114.8  
Schaumburg 443.5750 + N9KNS MOTO ARC 114.8  
Chicago 443.6000 + WB9AET WAFAR 114.8 CA
Schaumburg 443.6250 + N9CXQ NAPS 114.8 CA E L Z
Batavia 443.6500 + W9XA W9XA 114.8 CA L
Batavia 443.6500 + WB9PHK STROKE 114.8 CA L
Chicago 443.6750 + W9WBY DEVRY ARS 114.8  
Schaumburg 443.7250 + N9KNS MOTOROLA A 114.8  
Chicago 443.7500 + WA9ORC CFMC 114.8 CA
Coal City 443.7750 + N9IWJ BARN 114.8  
Round Lake Beach 443.7750 + N9JSF N9JSF 127.3  
Chicago 443.8000 + K9SAD SADFAR 103.5 AP
Lake Zurich 443.8500 + KD9GY LC RACES 114.8 E
Chicago 443.8750 + KA9QPZ WSNSTVARC 114.8 AP E
Downers Grove 443.9000 + N9ATO SERCOMM 114.8  
Calumet City 443.9500 + KA9OOI CHUMPS 131.8  
Chicago 443.9750 + KB9PTI AIRA 114.8 IRLP Node 4134
Chicago 444.0000 + W9OWV C.U.B.E.S.   CA E
Algonquin 444.0250 + N9IVM N9IVM 103.5  
Wheaton 444.0500 + WA9E TARC 114.8 E
McHenry 444.0750 + KB9I KB9I   C
Batavia 444.1000 + KA9LFU ELFAR 100.0  
Elgin 444.1250 + K9UJH K9UJH 114.8  
Berwyn 444.1500 + WA9HIR WA9HIR 146.2  
Crystal Lake 444.1750 + KA9ATL KA9ATL 114.8  
Warrenville 444.2000 + WD9DAU TFAR 114.8 E L
Batavia 444.2250 + WB9IKJ FERMILAB 114.8  
Lombard 444.2500 + N9ECQ CDES 114.8 CA E WX L
Wheaton 444.2750 + KA9KDC KA9KDC 114.8 CA E L
Aurora 444.3000 + W9CEQ FRRL, INC. 114.8 E IRLP Node 4850
Wheeling 444.3250 + WB9OUF WB9OUF 114.8  
Chicago 444.3750 + K9GFY SARA 114.8 CA Z
Lake Villa 444.4000 + WB9RKD WB9RKD 114.8 AP E L Z
New Lenox 444.4000 + N2BJ N2BJ 141.3 L IRLP Node 4050
Calumet City 444.4250 + KA9QPN CC ESDA 114.8 E
Dekalb 444.4500 + WB9DOM WB9DOM 114.8 CA E
Downers Grove 444.4750 + W9CCU WCRA 114.8  
Schaumburg 444.5000 + K9PW CARP    
St. Charles 444.5250 + KB9RYA KCARS 114.8  
Joliet 444.5500 + WW9AE PRL WCEMA 114.8 E WX RACES ARES
Bellwood 444.5750 + KC9ZI KC9ZI 114.8  
Hampshire 444.6000 + K8IE HAHAMS    
Chicago 444.6250 + N9SHB N9SHB 110.9  
Oak Lawn 444.6500 + KA9FLX KA9FLX 110.9 CA
Chicago 444.7250 + W9TMC TMC ARC 114.8  
Chicago 444.7250 + W9TMC TMC ARC 103.5 [Proposed]
Chicago 444.7750 + WA9PAC TELPIONEER 114.8 CA
Kankakee 444.8000 + W9AZ KARS 100.0 AP E L IRLP
Schaumburg 444.8000 + KB2MAU RAYJACK 203.5  
Alden 444.8250 + KA9FUR KA9FUR 123.0 E L
Orland Park 444.8500 + WD9HGO WD9HGO    
Roselle 444.8750 + KA9LOY NIPSARS 114.8 CA E L
Oak Lawn 444.9000 + W9OAR W9OAR 114.8 CA E Z
Wasco 444.9250 + WA9IMB WA9IMB 114.8 E
Elgin 444.9500 + WR9ABQ VARA 114.8  
Plato Center 444.9750 + W9ZS VARA   C

23 Centimeter FM Repeaters
Location Output Input Callsign Sponsor CTCSS Notes
Batavia 1292.0000 1272.0000 W9XA W9XA 88.5 L
Lisle 1293.1000 1273.1000 WA9AEK WA9AEK 114.8 CA