Chicago (ZAU) Air Route Traffic Control Center

Last Updated: March 1, 2022, 9:20 pm

Frequencies

Illinois RCAG Sites

Aurora, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
123.75000 BM ZAU50 STQ-L Sector 50 Streator Low SFC to 10,000 (Normally combined at ZAU51) AM Aircraft
259.10000 BM ZAU50 STQ-L Sector 50 Streator Low SFC to 10,000 (Normally combined at ZAU51) AM Aircraft
Bloomington, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
124.80000 BM ZAU45 RBS-H Sector 45 Roberts Hi (Spare) FL230-999 AM Aircraft
353.77500 BM ZAU45 RBS-H Sector 45 Roberts Hi (Spare) FL230-999 AM Aircraft
Bradford, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
124.55000 BM ZAU50 STQ-L Sector 50 Streator Low SFC to 10,000 (Normally combined at ZAU51) AM Aircraft
132.22500 BM ZAU52 BDF-H Sector 52 Bradford Hi FL240-330 AM Aircraft
307.12500 BM ZAU50 STQ-L Sector 50 Streator Low SFC to 10,000 (Normally combined at ZAU51) AM Aircraft
323.22500 BM ZAU52 BDF-H Sector 52 Bradford Hi FL240-330 AM Aircraft
Chicago Heights, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
132.95000 BM ZAU (Spare) Spare/Traffic Congestion (Normally combined at ZAU44) AM Aircraft
318.80000 BM ZAU (Spare) Spare/Traffic Congestion (Normally combined at ZAU44) AM Aircraft
Danville, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
135.75000 BM ZAU57 DNV-L Sector 57 Danville Low 10,000-FL180 AM Aircraft
353.95000 BM ZAU57 DNV-L Sector 57 Danville Low 10,000-FL180 AM Aircraft
Des Plaines, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
120.35000 BM ZAU81 CRIBB Sector 81 CRIBB Low AM Aircraft
317.40000 BM ZAU81 CRIBB Sector 81 CRIBB Low AM Aircraft
377.07500 BM ZAU81 CRIBB Sector 81 CRIBB Low (New) AM Aircraft
Freeport, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
132.62500 BM ZAU71 ALO-SH Sector 71 Waterloo Super Hi FL370 & Abv AM Aircraft
350.25000 BM ZAU71 ALO-SH Sector 71 Waterloo Super Hi FL370 & Abv AM Aircraft
Hampshire, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
134.20000 BM ZAU WKLD Spare Workload Freq NW AM Aircraft
291.75000 BM ZAU WKLD Spare Workload Freq NW AM Aircraft
Joliet, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
135.15000 BM ZAU51 PLANO Sector 51 PLANO Low 11,000-FL230 AM Aircraft
323.30000 BM ZAU51 PLANO Sector 51 PLANO Low 11,000-FL230 AM Aircraft
Kankakee, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
118.22500 BM ZAU83 JOT-H Sector 83 Joliet Hi FL240-340 AM Aircraft
119.95000 BM ZAU43 NEWTT Sector 43 NEWTT Low FL190-FL230 AM Aircraft
120.12500 BM ZAU44 EON-L Sector 44 Peotone Low FL190--FL230 AM Aircraft
256.80000 BM ZAU44 EON-L Sector 44 Peotone Low FL190-FL230 AM Aircraft
353.55000 BM ZAU83 JOT-H Sector 83 Joliet Hi FL240-340 AM Aircraft
353.70000 BM ZAU43 NEWTT Sector 43 NEWTT Low FL190-230 AM Aircraft
Leroy, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
119.22500 BM ZAU58 LINCN Sector 58 Lincoln Low 11,000-FL230 AM Aircraft
307.25000 BM ZAU58 LINCN Sector 58 Lincoln Low 11,000-FL230 AM Aircraft
Maple Park, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
127.07500 BM ZAU77 MALTA Sector 77 MALTA Low AM Aircraft
307.27500 BM ZAU77 MALTA Sector 77 MALTA Low AM Aircraft
Marengo, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
133.35000 BM ZAU74 FARMM Sector 74 FARMM Low AM Aircraft
335.80000 BM ZAU74 FARMM Sector 74 FARMM Low AM Aircraft
Milford, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
121.27500 BM ZAU46 BVT-H Sector 46 Boiler Hi FL240-300 AM Aircraft
127.32500 BM ZAU47 RAN-SH Sector 47 Chanute Super Hi FL310 & Abv AM Aircraft
327.02500 BM ZAU47 RAN-SH Sector 47 Chanute Super Hi FL310 & Abv AM Aircraft
351.95000 BM ZAU46 BVT-H Sector 46 Boiler Hi FL240-300 AM Aircraft
Moline, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
118.75000 BM ZAU55 BRL-L Sector 55 Burlington Low SFC to FL230 AM Aircraft
377.05000 BM ZAU55 BRL-L Sector 55 Burlington Low SFC to FL230 AM Aircraft
Monee, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
126.27500 BM ZAU84 MCK-SH Sector 84 McCook Super Hi AM Aircraft
360.75000 BM ZAU84 MCK-SH Sector 84 McCook Super Hi AM Aircraft
Northbrook, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
128.65000 BM ZAU WKLD Overload for ZAU26/81/83 AM Aircraft
133.20000 BM ZAU26 KUBBS Sector 26 KUBBS Low SFC to FL230 AM Aircraft
343.67500 BM ZAU26 KUBBS Sector 26 KUBBS Low SFC to FL230 AM Aircraft
351.82500 BM ZAU WKLD Overload for ZAU26/81/83 AM Aircraft
Pontiac, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
119.95000 BM ZAU43 NEWTT Sector 43 NEWTT Low AM Aircraft
353.70000 BM ZAU43 NEWTT Sector 43 NEWTT Low AM Aircraft
Roberts, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
134.02500 BM ZAU45 RBS-H Sector 45 Roberts Hi FL240-999 AM Aircraft
379.15000 BM ZAU45 RBS-H Sector 45 Roberts Hi FL240-999 AM Aircraft
Rockford, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
124.72500 BM ZAU92 HAWKS Sector 92 HAWKS Hi FL240-320 AM Aircraft
279.65000 BM ZAU92 HAWKS Sector 92 HAWKS Hi FL240-320 AM Aircraft
Waukegan, IL - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
126.42500 BM ZAU82 SWEET Sector 82 SWEET Low AM Aircraft
348.72500 BM ZAU82 SWEET Sector 82 SWEET Low AM Aircraft

Indiana RCAG Sites

Crown Point, IN - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
134.87500 BM ZAU35 BEARZ Sector 35 BEARZ Low 11,000-FL250 AM Aircraft
290.25000 BM ZAU35 BEARZ Sector 35 BEARZ Low 11,000-FL250 AM Aircraft
Fort Wayne, IN - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
119.85000 BM ZAU37 OLK-L Sector 37 Wolf Lake Low SFC to FL230 AM Aircraft
307.37500 BM ZAU37 OLK-L Sector 37 Wolf Lake Low SFC to FL230 AM Aircraft
Goshen, IN - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
127.55000 BM ZAU80 KELOG Sector 80 KELOG Low AM Aircraft
128.80000 BM ZAU31 GSH-L Sector 31 Goshen Low (Normally combined at ZAU37) AM Aircraft
307.17500 BM ZAU80 KELOG Sector 80 KELOG Low AM Aircraft
314.00000 BM ZAU31 GSH-L Sector 31 Goshen Low (Normally combined at ZAU37) AM Aircraft
Niles, IN - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
124.82500 BM ZAU36 FWA-H Sector 36 Fort Wayne Hi FL240-340 AM Aircraft
126.32500 BM ZAU33 BURBN Sector 33 BURBN Super Hi FL350 & Abv AM Aircraft
322.52500 BM ZAU36 FWA-H Sector 36 Fort Wayne Hi FL240-340 AM Aircraft
323.05000 BM ZAU33 BURBN Sector 33 BURBN Super Hi FL350 & Abv AM Aircraft
Rossville, IN - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
120.97500 BM ZAU32 OKK-L Sector 32 Kokomo Low SFC to FL230 AM Aircraft
125.37500 BM ZAU34 LOGAN Sector 34 LOGAN Hi FL240-340 AM Aircraft
341.70000 BM ZAU34 LOGAN Sector 34 LOGAN Hi FL240-340 AM Aircraft
350.35000 BM ZAU32 OKK-L Sector 32 Kokomo Low Spare Freq AM Aircraft
370.85000 BM ZAU32 OKK-L Sector 32 Kokomo Low SFC to FL230 AM Aircraft

Iowa RCAG Sites

Burlington, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
135.60000 BM ZAU55 BRL-L Sector 55 Burlington Low AM Aircraft
370.95000 BM ZAU55 BRL-L Sector 55 Burlington Low AM Aircraft
Cedar Rapids, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
132.80000 BM ZAU56 OTM-L Sector 56 Ottumwa Low SFC to FL230 AM Aircraft
135.97500 BM ZAU95 AWG-SH Sector 95 Washington Super Hi AM Aircraft
328.40000 BM ZAU56 OTM-L Sector 56 Ottumwa Low SFC to FL230 AM Aircraft
335.55000 BM ZAU95 AWG-SH Sector 95 Washington Super Hi AM Aircraft
Davenport, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
125.62500 BM ZAU Spare Sector 90/91 Choke Point Spare AM Aircraft
281.52500 BM ZAU Spare Sector 90/91 Choke Point Spare AM Aircraft
Des Moines, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
127.05000 BM ZAU SW/WKLD Spare Freq for SW ZAU Area AM Aircraft
282.35000 BM ZAU SW/WKLD Spare Freq for SW ZAU Area AM Aircraft
Dubuque, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
118.42500 BM ZAU75 COTON Sector 75 COTON Hi FL240-320 AM Aircraft
125.22500 BM ZAU76 ARL-H Sector 76 Arlington Hi FL330-360 AM Aircraft
127.77500 BM ZAU75 COTON Sector 75 COTON Hi FL240-320 AM Aircraft
133.95000 BM ZAU63 DBQ-L Sector 63 Dubuque Low SFC to FL230 AM Aircraft
281.40000 BM ZAU63 DBQ-L Sector 63 Dubuque Low SFC to FL230 AM Aircraft
322.47500 BM ZAU76 ARL-H Sector 76 Arlington Hi FL330-360 AM Aircraft
327.15000 BM ZAU75 COTON Sector 75 COTON Hi FL240-320 AM Aircraft
Ottumwa, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
118.15000 BM ZAU56 OTM-L Sector 56 Ottumwa Low AM Aircraft
354.10000 BM ZAU56 OTM-L Sector 56 Ottumwa Low AM Aircraft
Washington, IA - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
125.57500 BM ZAU94 IOW-SH Sector 94 Iowa City Super Hi AM Aircraft
128.52500 BM ZAU90 LOWLI Sector 90 LOWLI Hi AM Aircraft
134.32500 BM ZAU91 HNC-SH Sector 91 Hanna City Super Hi AM Aircraft
236.77500 BM ZAU91 HNC-SH Sector 91 Hanna City Super Hi AM Aircraft
257.72500 BM ZAU94 IOW-SH Sector 94 Iowa City Super Hi AM Aircraft
319.20000 BM ZAU90 LOWLI Sector 90 LOWLI Hi AM Aircraft

Michigan RCAG Sites

Grand Rapids, MI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
126.12500 BM ZAU25 PMM-H Sector 25 Pullman Hi FL200-320 AM Aircraft
319.10000 BM ZAU25 PMM-H Sector 25 Pullman Hi FL200-320 AM Aircraft
Jones, MI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
120.22500 BM ZAU85 LGR-SH Sector 85 LaGrange Super Hi AM Aircraft
125.97500 BM ZAU23 EMP-SH Sector 23 Empire Super Hi FL330 & Abv AM Aircraft
126.47500 BM ZAU89 GIJ-H Sector 89 Gipper Hi AM Aircraft
127.62500 BM ZAU88 ELX-H Sector 88 Keeler Hi FL240-330 AM Aircraft
269.35000 BM ZAU85 LGR-SH Sector 85 LaGrange Super Hi AM Aircraft
273.60000 BM ZAU88 ELX-H Sector 88 Keeler Hi FL240-330 AM Aircraft
317.57500 BM ZAU23 EMP-SH Sector 23 Empire Super Hi FL330 & Abv AM Aircraft
353.62500 BM ZAU89 GIJ-H Sector 89 Gipper Hi AM Aircraft
Muskegon, MI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
132.27500 BM ZAU24 3FM-H Sector 24 Freemont Hi FL200-330 AM Aircraft
254.35000 BM ZAU24 3FM-H Sector 24 Freemont Hi FL200-330 AM Aircraft
Pullman, MI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
128.50000 BM ZAU22 SPARTA Sector 22 Sparta Low SFC to FL190 AM Aircraft
273.52500 BM ZAU22 SPARTA Sector 22 Sparta Low SFC to FL190 AM Aircraft

Wisconsin RCAG Sites

Horicon, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
121.37500 BM ZAU61 QHZ-SH Sector 61 Horicon Super Hi FL340 & Abv AM Aircraft
126.87500 BM ZAU60 BAE-H Sector 60 Badger Hi FL240-FL330 AM Aircraft
135.55000 BM ZAU SPARE Spare Workload Freq for North Area AM Aircraft
269.07500 BM ZAU60 BAE-H Sector 60 Badger Hi FL240-FL330 AM Aircraft
282.27500 BM ZAU61 QHZ-SH Sector 61 Horicon Super Hi FL340 & Abv AM Aircraft
306.97500 BM ZAU SPARE Spare Workload Freq for North Area AM Aircraft
Lone Rock, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
133.30000 BM ZAU64 LNR-L Sector 64 Lone Rock Low SFC to FL230 AM Aircraft
257.92500 BM ZAU64 LNR-L Sector 64 Lone Rock Low SFC to FL230 AM Aircraft
Milwaukee, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
123.82500 BM ZAU62 HARLY Sector 62 Harley Low SFC to FL230 AM Aircraft
125.10000 BM ZAU27 SQUIB Sector 27 SQUIB Low SFC to FL230 AM Aircraft
290.47500 BM ZAU27 SQUIB Sector 27 SQUIB Low SFC to FL230 AM Aircraft
291.70000 BM ZAU62 HARLY Sector 62 Harley Low SFC to FL230 AM Aircraft
Oshkosh, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
132.10000 BM ZAU64 LNR-L Sector 64 Lone Rock Low AM Aircraft
319.25000 BM ZAU64 LNR-L Sector 64 Lone Rock Low AM Aircraft
Sullivan, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
128.17500 BM ZAU SPARE Spare Workload Freq for North Area AM Aircraft
343.72500 BM ZAU SPARE Spare Workload Freq for North Area AM Aircraft
Volk Field, WI - RCAG
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
125.05000 BM ZAU64 LNR-L Sector 64 Lone Rock Low SFC to FL230 (SPARE FREQ) AM Aircraft
269.37500 BM ZAU64 LNR-L Sector 64 Lone Rock Low SFC to FL230 (SPARE FREQ) AM Aircraft