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Federal Agencies (Cook County)

Last Updated: November 23, 2024, 18:05 pm UTC

See National Interoperability (United States) for Federal Interoperability frequencies.

Category Report

Frequencies

Departments

Alcohol, Tobacco, Firearms and Explosives
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
164.2375 RM 650 NAC BATFE Wire 1 Surveillance/Wire 1 P25 Law Tac
165.2875 B 650 NAC BATFE Base Chicago Base P25 Law Tac
165.5125 RM BATFE Surv Surveillance FM Law Tac
165.9125 RM 650 NAC BATFE Tac 5 Tac 5 P25 Law Tac
166.2875 M BATFE Surv Surveillance FM Law Tac
166.5375 RM BATFE Chgo A Chicago FM Law Tac
166.5375 RM BATFE Chgo B Chicago FM Law Tac
166.850 RM BATFE Tac reported Tac channel FM Law Tac
166.925 RM BATFE CP Mobile Command Post(?) FM Law Tac
167.1625 RM 650 NAC BATFE Tac 1 Tac 1 P25 Law Tac
168.000 RM CSQ BATFE Surv Surveillance FM Law Tac
168.350 RM 650 NAC BTAFE Tac 4 Tac 4 P25 Law Tac
170.8875 RM 650 NAC BATFE Wire2 Surveillance/Wire 2 P25 Law Tac
170.9625 RM 650 NAC BATFE Tac 2 Tac 2 P25 Law Tac
172.4875 RM 650 NAC BATFE Wire 3 Surveillance/Wire 3 P25 Law Tac
173.0125 RM 650 NAC BATFE Tac 3 Tac 3 P25 Law Tac
173.8875 RM 650 NAC BATFE Tac 6 Tac 6 P25 Law Tac
409.375 RM BATFE CPD TF Task Force w/CPD FM Law Tac
418.650 RM BATFE Tac UHF Tac simplex FM Law Tac
Customs and Border Patrol
STARCOM21 Statewide Illinois
Project 25 Phase II		Some Homeland Security/Border Patrol/ICE operations
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
136.375 M CBP A/A Air-to-Air AM Law Tac
162.0625 RM C02 NAC CBP O'Hare A O'Hare Airport P25 Law Tac
162.3125 RM C02 NAC CBP O'Hare B O'Hare Airport P25 Law Tac
162.825 RM C02 NAC CBP O'Hare C O'Hare Airport P25 Law Tac
163.475 RM C02 NAC CBP O'Hare D O'Hare Airport P25 Law Tac
163.750 RM C02 NAC CBP O'Hare E O'Hare Airport P25 Law Tac
163.775 RM C02 NAC CBP O'Hare F O'Hare Airport P25 Law Tac
165.850 BM C02 NAC CBP O'Hare G O'Hare Airport P25 Law Tac
168.0875 RM C02 NAC CBP O'Hare H O'Hare Airport P25 Law Tac
172.3625 BM C02 NAC CBP O'Hare I O'Hare Airport P25 Law Tac
172.6625 BM C02 NAC CBP O'Hare J O'Hare Airport P25 Law Tac
172.8625 RM C02 NAC CBP O'hare 14 O'Hare Airport - Ops (Ch 14) P25 Law Tac
172.9625 BM C02 NAC CBP O'Hare K O'Hare (repeater input?) P25 Law Tac
162.900 RM C02 NAC CBP Invstgtn A Investigations P25 Law Tac
163.3125 RM C02 NAC CBP Invstgn B Investigations P25 Law Tac
163.500 RM C02 NAC CBP Invstgtn C Investigations P25 Law Tac
163.675 RM C02 NAC CBP Invstgtn D Investigations P25 Law Tac
163.725 RM C02 NAC CBP Invstgtn E Investigations P25 Law Tac
164.7375 RM C02 NAC CBP Invstgtn F Investigations P25 Law Tac
164.975 RM C02 NAC CBP Invstgtn G Investigations P25 Law Tac
162.950 M C02 NAC CBP Tac 1 Tac 1 P25 Law Tac
163.125 M 301 NAC CBP: Tac 7 Tac 7 P25 Law Tac
165.2375 RM 301 NAC CBP DNET 1 DNET 1 P25 Law Tac
165.4375 RM 301 NAC CBP 1654375 Ops P25 Law Tac
165.7625 RM 301 NAC CBP 1657625 Ops P25 Law Tac
166.5875 RM 301 NAC CBP 1665876 Ops P25 Law Tac
168.8375 M 293 NAC CBP Air 1 Air 1 P25 Law Tac
168.9625 M 293 NAC CBP Air 2 Air 2 P25 Law Tac
169.1625 M 293 NAC CBP Air 4 Air 4 P25 Law Tac
169.2625 M 293 NAC CBP Air 3 Air 3 P25 Law Tac
169.3875 M 293 NAC CBP Air 5 Air 5 P25 Law Tac
170.9625 M 650 NAC CBP Tac 2 Tac 2 P25 Law Tac
Drug Enforcement Administration
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
169.575 RM 156 NAC DEA 169.575 Operations P25E Law Tac
170.375 RM 156 NAC DEA 170.375 Operations P25E Law Tac
170.5625 RM 156 NAC DEA 1705625 Operations P25E Law Tac
170.650 RM 156 NAC DEA 170.650 Operations P25E Law Tac
170.6625 RM 156 NAC DEA 1706625 Operations P25E Law Tac
173.8625 RM 156 NAC DEA 1738625 Operations P25E Law Tac
171.450 M DEA Chi Mic1 Wireless Microphones FM Law Tac
171.600 M DEA Chi Mic2 Wireless Microphones FM Law Tac
172.000 M DEA Chi Mic3 Wireless Microphones FM Law Tac
172.200 M DEA Chi Mic4 Wireless Microphones FM Law Tac
Federal Aviation Administration

Also see O'Hare Airport 

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
162.3125 RM FAA 1623125 Operations P25 Federal
163.475 B C02 NAC ICE 163.475 ICE: Simulcast with 163.7500 ICE (Ch 13) P25 Law Tac
163.500 RM FAA 163.5 Operations P25 Federal
164.100 RM 100.0 PL ICE 164.1 OHare USCS/ICE (US Customs F20 FMN Federal
165.6125 RM FAA 1656125 OHare FMN Federal
165.7125 BM 136.5 PL FAA 1657125 OHare FMN Federal
166.175 RM 136.5 PL FAA 166.175 Maintenance [Simplex F-11] FMN Federal
167.0125 RM 001 NAC FAA 167.0125 Operations P25 Federal
169.1625 RM 136.5 PL FAA 169.1625 Operations (inversion scrambling) FMN Federal
171.9625 RM C02 NAC FAA 171.9625 Operations P25 Federal
172.125 M NARACS F-8 NARACS simplex [F-8] FMN Federal
172.150 M NARACS F-9 NARACS simplex / OHare runway lighting control tones [F-9] FMN Federal
172.150 RM 131.8 PL FAA 172.15 Operations (inversion scrambling) FMN Federal
172.175 RM FAA OhareF-4 Chicago OHare 4Z/4B/5A FMN Federal
172.175 M CSQ NARACS F-10 NARACS simplex channel 10 FMN Federal
172.850 RM 136.5 PL NARACS F-4 Chicago/NARACS Repeat and Simplex W/169.250 input F4 FMN Federal
172.875 RM NARACS F-5 NARACS FMN Federal
172.900 RM NARACS F-6 NARACS FMN Federal
172.900 RM FAA TSA F-6 OHare TSA Security P25 (3A officers on input?) P25 Federal
172.900 RM 136.5 PL FAA 172.9 Chicago FMN Federal
172.925 RM 136.5 PL FAA NARACF-1 O'Hare/NARACS Chicago Repeat and Simplex W/169.325 input / Chgo FMN Federal
172.950 RM 136.5 PL FAA NARACF-2 Chicago/OHare/NARACS Repeat and Simplex W/169.350 input / Chgo FMN Federal
172.975 RM 136.5 PL FAA NARACF-3 Chicago/NARACS Ops W/169.375 input / Ohare runway lighting FMN Federal
173.205 F OHare Data1 Data O'Hare City Telemetry Telm Data
173.210 F OHare Data2 Data O'Hare City Telemetry Telm Data
173.2375 F DuP Air Data Data DuPage County Airport ttelemetry ######MOVE Telm Data
173.390 F OHare Data3 Data OHare City Telemetry Telm Data
173.965 F OHare Data4 Data OHare City Telemetry Telm Data
407.150 F CSQ OH 407.15 Transportation Network - possibly USAF FMN Federal
413.600 F OH Windshear Windshear Detectors (Data) Telm Data
Federal Bureau of Investigations

See the WIKI for additional information.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
167.5625 M 167 NAC FBI Chi N/W Local/Nationwide Simplex (Ch 4) P25e Law Tac
170.725 RM 167 NAC FBI Chi A2 Chicago [A2] P25e Law Tac
170.725 RM 167 NAC FBI Chi A3A4 Chicago [A3/A4] P25e Law Tac
170.625 RM 167 NAC FBI Chi A5A6 Chicago [A5/A6, aka CG OPS?] P25e Law Tac
167.2125 RM 167 NAC FBI Chi B1B2 Chicago [R B2/S B1] P25e Law Tac
167.3375 RM 167 NAC FBI Chi C1 Chicago P25e Law Tac
173.150 RM 167 NAC FBI Chi C3 Chicago [C3] P25e Law Tac
170.350 RM 167 NAC FBI Chi C7 Chicago (simulcasts w/169.95) P25e Law Tac
164.550 RM F7E NAC FBI Chi D1/2 Chicago - OCDETF [R D1/S D2] (USCS/ICE?) P25e Law Tac
166.4625 M 001 NAC FBI Chi D3 Chicago T-COMM P25e Law Tac
167.5375 RM 167 NAC FBI Chi D5D6 Chicago - SWAT [R D6/S D5] P25e Law Tac
163.100 M 167 NAC FBI Chi D7 Chicago [D7] P25e Law Tac
167.4875 RM 167 NAC FBI Chi E1 Chicago [E1] P25e Law Tac
169.950 RM 167 NAC FBI Chi G3 Chicago - Events [R G3/S G4] P25e Law Tac
170.350 RM 167 NAC FBI Chi G5 Chicago G5 P25e Law Tac
167.5875 M 167 NAC FBI Chi H5? Chicago H5? P25e Law Tac
167.4375 M 167 NAC FBI Chi H6? Chicago H6? P25e Law Tac
164.550 RM F7E NAC FBI 164.550 Chicago Area (usually encrypted) P25e Law Tac
166.9375 RM 167 NAC FBIChi166937 Chicago P25e Law Tac
167.5125 BM 167 NAC FBI 1675125 Chicago P25e Law Tac
167.6125 B 167 NAC FBI 1676125 Chicago P25e Law Tac
168.9875 RM 167 NAC FBI Chicago Chicago P25e Law Tac
170.725 RM 167 NAC FBI P25 1707 Chicago Area P25e Law Tac
171.2625 RM 167 NAC FBI 171.2625 Chicago Area-wide P25e Law Tac
171.6125 RM 167 NAC FBI1716125 Chicago Area-wide (usually ENC) - primary? P25e Law Tac
173.050 RM 167 NAC FBI Chicago Chicago P25e Law Tac
173.1375 RM 167 NAC FBI 1731375 Chicago P25e Law Tac
173.9875 RM 167 NAC FBI 1739875 Chicago P25e Law Tac
Federal Communications Commission
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
167.050 RM 173.8 PL FCC Chicago Chicago Ops FM Federal
Federal Emergency Management Agency

The FEMA Region 5 office is located in the 536 S. Clark / 101 W. Ida B. Wells Federal Building in downtown Chicago.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
407.6625 RM 421 NAC FEMA 5/6 Operations (Ch 5/6) P25e Federal
149.025 RM 312 NAC FEMA 149.025 Ops (Chicago Office) P25e Federal
138.575 RM 118.8 PL FEMA A5 Ops (Chicago Office) FMN Emergency Ops
140.925 M 118.8 PL FEMA C5 Simplex (Chicago Office) FMN Emergency Ops
138.225 RM FEMA N/Wide R Nationwide Repeater (on scene) FMN Emergency Ops
Federal Reserve Bank of Chicago
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
406.6625 RM CC 1
TG 10
SL 1		 FedRsvCgo Police Police Operations DMR Law Dispatch
407.6875 RM CC 1
TG 6
SL 2		 FedRsvCgo BldgOp Building Operations DMR Federal
407.6875 RM CC 1
TG 1
SL 1		 FedRsvCgo Contr Building Operations: Outside Contractors? DMR Federal
General Services Administration
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
406.1125 RM CC 1
TG 1000
SL 1		 GSA Kluczyns Kluczyinski Federal Building: Operations DMR Federal
406.1125 RM CC 1
TG 1000
SL 2		 GSA Dirksen Dirksen Federal Building: Operations DMR Federal
407.075 RM CC 1
TG 1000
SL 1		 GSA Clrk/Cng 536 S. Clark / 101 W. Ida B. Wells Federal Building: Operations DMR Federal
407.075 RM CC 1
TG 1000
SL 2		 GSA Metcalfe Metcalfe Federal Building: Security/Operations DMR Federal
Immigration and Customs Enforcement
STARCOM21 Statewide Illinois
Project 25 Phase II		Some Homeland Security/Border Patrol/ICE operations
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.700 M 169 NAC ICE NatTac 1 Nat Tac 1 P25 Law Tac
168.5875 M 169 NAC ICE NatTac 2 Nat Tac 2 P25 Law Tac
163.1125 M 169 NAC ICE NatTac 3 Nat Tac 3 P25 Law Tac
164.7875 M 169 NAC ICE NatTac 4 NatTac 4 P25 Law Tac
166.4625 RM ICE 166.4625 USCS/ICE Treasury - Common FMN Law Tac
162.0625 BM C02 NAC DHS Ohare 3* Simulcast of INS Chicago (R F2/S F3) P25 Law Tac
162.875 M CSQ INS Chicago A INS Chicago mobiles FMN Law Tac
162.925 M INS Chicago B INS Chicago mobiles (may input 163.625 Repeater) FMN Law Tac
162.975 M INS Chicago C INS Chicago mobiles FMN Law Tac
163.625 RM C02 NAC DHS Ohare 3 INS Chicago (R F2/S F3) P25 Law Tac
163.625 RM C02 NAC ICE 163.625 ICE P25 Law Tac
163.675 BM C02 NAC DHS OHare ICE/DHS Operations O'Hare (CBP/APHIS/ICE) P25 Law Tac
163.750 B C02 NAC ICE 163.75 Simulcast with 163.475 ICE P25 Law Tac
165.850 RM C02 NAC ICE 165.85 RCC/ICE P25 Law Tac
166.0625 BM C02 NAC ICE 1660625 Operations P25 Law Tac
Internal Revenue Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
165.950 RM 009 NAC IRS Chicago Ch1 Ops (Ch 1/Repeat/Simplex) P25 Federal
166.000 RM 131.8 PL IRS Chicago A Chicago Repeater/Simplex FMN Federal
166.000 RM 146.2 PL IRS Chicago B Chicago Repeater/Simplex FMN Federal
166.000 RM 192.8 PL IRS Chicago C Chicago Repeater/Simplex FMN Federal
163.2125 M 100 NAC IRS Chi Tac-1 Tac-1 P25 Federal
163.6375 M 100 NAC IRS Chi Tac-2 Tac-2 P25 Federal
418.175 RM 123.0 PL IRS CID C2C CID Car-to-Car Chicago FMN Federal
418.225 RM 123.0 PL IRS CID Rptr CID Repeater/Simplex Chicago FMN Federal
Justice - 25 Cities Interoperability Project

These P25 repeaters support local, state and federal voice communications interoperability their respective areas (High Risk Metropolitan Area Interoperability)
DOJ CG TAC and CG COMM have weekly interop tests Wednesdays at 10:00

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
170.8125 RM 653 NAC DOJ Chi Com N Command - North (Palatine) [CG-COM-N] P25 Interop
168.8875 RM 653 NAC DOJ Chi Tac N Tactical - North (Palatine) [CG-TAC-N] P25 Interop
171.6875 RM 653 NAC DOJ Chi Com C Command - Central (Chicago) [CG-COM-C] P25 Interop
172.2125 RM 653 NAC DOJ Chi Tac C Tactical - Central (Chicago) [CG-TAC-C] P25 Interop
171.4375 RM 653 NAC DOJ Chi Com S Command - South (Joliet) [CG-COM-S] P25 Interop
168.9125 RM 653 NAC DOJ Chi Tac S Tactical - South (Joliet) [CG-TAC-S] P25 Interop
171.4875 BM 653 NAC DOJ Ops-A Operations P25 Interop
Labor
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
406.200 M DOL OCTF 1 Organized Crime Task Force [Ch 1] FMN Federal
414.775 M DOL OCTF 2 Organized Crime Task Force [Ch 2] FMN Federal
412.400 M DOL OCTF 3 Organized Crime Task Force [Ch 3] FMN Federal
164.700 M DOL WH U1 Wage and Hour Unit FMN Federal
166.200 M DOL WH U2 Wage and Hour Unit FMN Federal
Marshals Service
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
162.7875 RM USM Chicago A Chicago (also simplex) P25 Law Tac
163.200 RM 293 NAC USM Chicago B Chicago repeater (& simplex) P25 Law Tac
164.600 RM USM Chicago C Chicago (also simplex) P25 Law Tac
170.850 M 127.3 PL USM Chi CSU 1 Chicago: Courts Security Unit [Ch 1] FMN Law Tac
170.750 M 74.4 PL USM Chi CSU 2 Chicago: Courts Security Unit [Ch 2] FMN Law Tac
Bureau of Prisons
Metropolitan Correctional Center Chicago (P25)
Project 25 Phase I		Operations (as of 7/23)
Federal Protective Service

RIDs observed on 410.800: 6722065, 6750058, 6750065 (4/7/22)

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
410.800 RM 201 NAC FPS Chicago New New P25e Law Tac
406.700 RM 201 NAC FPS Chicago Wide Wide Area (Chicago/Milwaukee) [Base Enc] P25e Law Tac
406.200 RM 201 NAC FPS ChicagoLocal Local Area P25 Law Tac
Postal Service

USPS radio operations appear to have shifted primarily to digital modes (P25 for police and inspectors, DMR for facility operations).  Any analog operations listed below may be old and out of service. (April 2022)

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
162.225 RM 114.8 PL USPS 162.225 Operations (Chicago) FMN Federal
162.225 RM 612 DPL USPS 162.225 Flight Loading (Chicago Base) FMN Federal
164.375 BM USPS 164.375 Flight Loading (OHare) FMN Federal
164.9875 BM CSQ USPS 164.9875 Operations (Chicago) FMN Federal
165.150 RM 546 DPL USPS 165.150 Tractor/Trailer Ops FMN Federal
166.225 BM CSQ USPS 166.225 Operations (Chicago) FMN Federal
166.375 BM CSQ USPS 166.375 Operations (OHare facility) FMN Federal
168.275 BM 82.5 PL USPS 168.275 Operations (link w/414.75) (Chicago) FMN Federal
169.650 BM USPS 169.650 Inspectors - Old (Chicago) FMN Law Tac
169.8375 RM 223 DPL USPS 169.8375 Operations (Chicago) FMN Federal
169.850 RM USPS 169.850 Inspectors/Police FMN Law Tac
171.625 BM CSQ USPS 171.625 Forest Park Sorting Facility FMN Federal
171.975 RM CSQ USPS ORD Cargo/Flight Loading (OHare) FMN Federal
171.975 BM CSQ USPS Lake Villa Operations (Lake Villa) FMN Federal
406.1375 RM 152 DPL USPS SSP-DC Mnt S Suburban P/DC Bedford Park: Maintenance FMN Federal
406.325 RM USPS 406.325 Operations (Chicago) FMN Federal
406.3375 M 482 NAC USPS Chi 4063375 Inspectors P25E Law Tac
406.500 RM 411 DPL USPS Chi Dock Dock Ops (Chicago) FMN Federal
406.5375 RM CC 1
TG 5
SL 2		 USPS Chi 2 Chicago Main Post Office: Operations DMR Federal
406.5375 RM CC 1
TG 1
SL 1		 USPS Chi 1 Chicago Main Post Office: Mail Handling Ops DMR Federal
406.9375 RM 464 DPL USPS Palatine Palatine Processing / Distribution Center FMN Federal
407.175 RM CC 1
TG 2
SL 1		 USPS Chi Techs Chicago Main Post Office: Technicians and Mechanics DMR Federal
407.475 RM 565 DPL USPS SSP-DC Mail S Suburban P/DC Bedford Park: Mail Processing FMN Federal
407.5375 RM CC 1
TG 1
SL 1		 USPS ORD Ops Operations (OHare): Operations DMR Federal
407.5375 RM CC 1
TG 2
SL 2		 USPS ORD Maint Operations (OHare): Machine Maintenance DMR Federal
407.725 RM 482 NAC USPS 407725 Operations (Chicago Base) P25e Federal
407.725 RM 82.5 PL USPS Blue Inspectors/Police (Blue Chicago) FMN Law Tac
407.8875 BM CC 1
TG 5
SL 2		 USPS CBMC 5 Chicago Bulk Mail Center (Forest Park) - Operations DMR Federal
407.8875 RM CC 1
TG 1
SL 1		 USPS CBMC 1 Chicago Bulk Mail Center (Forest Park) - Dock Operations DMR Federal
407.9375 RM 343 DPL USPS 407.9375 Operations (OHare ?) FMN Federal
408.025 RM 192.8 PL USPS 408.025 Operations (Chicago/OHare) FMN Federal
408.050 BM 192.8 PL USPS 408.050 Operations (OHare) FMN Federal
408.0875 RM CC 1
TG 2
SL 1		 USPS CBMC 2 Chicago Bulk Mail Center (Forest Park) - Sorting DMR Federal
408.1375 BM 306 DPL USPS 408.1375 Dock Ops FM Federal
408.400 RM 103.5 PL USPS 408.400 Operations FMN Federal
408.425 RM CC 1
TG 7
SL 1		 USPS CBMC 7 Chicago Bulk Mail Center (Forest Park) - Trailer Marshalling DMR Federal
408.750 M USPS 408.750 Operations (OHare) FMN Federal
409.1375 RM CC 1
TG 3
SL 1		 USPS ORD Ch. 3 Chicago International Service Center (O'Hare) Channel 3 DMR Federal
410.000 BM USPS Chi RedBase Red Base (Chicago) FMN Federal
410.325 BM USPS 410.325 Operations (Chicago mobiles) FMN Federal
411.400 BM 123.0 PL USPS OHr Ops Building Ops (OHare) FMN Federal
411.450 RM 118.8 PL USPS 411.450 Operations (Chicago area) FMN Federal
411.475 RM USPS 411.475 Building Maintenance (O'Hare) FMN Federal
411.550 B 131.8 PL USPS 411.550 Operations (Chicago area) FMN Federal
414.750 RM UPSP PD Red P25 Inspectors/Police - Red (Chicago) P25E Law Tac
414.750 RM 82.5 PL USPS PD Red OLD? Inspectors/Police - Red (Chicago) FMN Law Tac
416.975 RM CSQ USPS Paging Paging (Chicago) FMN Federal
417.775 RM 82.5 PL USPS Green Inspectors/Police Green (North Chicago) FMN Federal
418.300 RM 82.5 PL USPS SecChi Security (Chicago) FMN Security
Secret Service

The Secret Service is now mostly encrypted P25 in the Chicago area.

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
165.7875 RM 001 NAC USSS Baker BAKER P25 Law Tac
165.375 RM 001 NAC USSS Charlie CHARLIE P25 Law Tac
165.375 RM 001 NAC USSS Charlie CHARLIE (alternate input) P25 Law Tac
165.2125 RM 001 NAC USSS Mike MIKE P25 Law Tac
164.650 RM 001 NAC USSS Tango TANGO P25 Law Tac
164.400 M 001 NAC USSS Papa PAPA - simplex (and input to 165.7875) P25 Law Tac
164.8875 M 001 NAC USSS Oscar OSCAR Presidential Detail P25 Law Tac
167.0125 RM 001 NAC USSS 1670125 Executive Protection Details P25 Law Tac
167.0375 RM 001 NAC USSS 1670375 Executive Protection Details P25 Law Tac
State Department
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
407.600 M USSD Chi 3 Chicago - Car-to-Car simplex [Ch 3] P25 Law Tac
408.600 M USSD Chi 4 Chicago: Car-to-Car [Ch 4] P25 Law Tac
409.525 RM 293 NAC USSD DigProt Diplomatic Security Service P25 Law Tac
409.625 RM 293 NAC USSD Chi 1 Chicago [Ch 1] P25 Law Tac
Transportation Security Administration
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
406.7375 RM 010 NAC TSA ORD Operations (O'Hare Airport) P25e Federal
406.7375 RM 070 NAC TSA MDW Operations (Midway Airport) P25e Federal
172.150 RM 1A2 NAC TSA MDW 1 Operations (Midway Airport) P25 Federal
172.900 RM 1A2 NAC TSA MDW 2 Operations (Midway Airport) P25 Federal
169.1625 RM 001 NAC TSA 1691625 Operations P25 Federal
169.300 RM 001 NAC TSA 169.3 Operations P25 Federal
172.150 RM 001 NAC TSA 172.150 Operations P25 Federal
172.900 RM 001 NAC TSA 172.900 Operations P25 Federal
Veterans Administration

- An unknown Tac 2 frequency has been reported in use by Hines VA Medical Center Police. (11/17)

Motorola Federal Solutions
Project 25 Phase II		Jesse Brown VA Medical Center is Site 104 in this system. VA Police use talkgroup 10191 (8/26/20)
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
166.7125 BM AbeLinc Cemetery Abraham Lincoln National Cemetery (Elwood) - Operations FMN Federal
409.4375 RM 192.8 PL CJALFHC Engr Capt James A Lovell FHC: Engineering (North Chicago) FMN Federal
166.7125WCJ64 RM 421 NAC CJALFHC Police Capt James A Lovell FHC: Police (North Chicago) P25 Law Dispatch
163.2625 RM 221 NAC CJALFHC Security Capt James A Lovell FHC: Security (North Chicago) P25 Federal
170.000 RM 116 DPL HVAMC Engr Hines VAMC: Engineering (Hines) FM Federal
416.500 M 023 DPL HVAMC Ops Hines VAMC: Operations (Hines) FMN Federal
411.350 RM 293 NAC HVAMC Police Hines VAMC: Police (Hines) P25 Law Dispatch
409.050 RM 192.8 PL JBVAMC Engr Jesse Brown VAMC: Engineering (Chicago) FMN Federal
406.775 RM 123.0 PL JBVAMC Hskpg Jesse Brown VAMC: Housekeeping (Chicago) FMN Federal
408.600 RM 203.5 PL JBVAMC Police Jesse Brown VAMC: Police Alternate (Chicago) FMN Law Tac
National Weather Service

NOAA National Severe Storms Labs

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.100 M NSSL F1/F2 NSSL (Ch 1 Smplx/Ch 2 Rptr) FMN Federal
163.275 M NSSL F3 NSSL Simplex (Ch 3) FMN Federal
165.4375 RM NOAA Nationa NSSL (inputs Aero) (O'Hare? FAA) FMN Federal

Military

Civil Air Patrol

Also please see the Nationwide listings

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
148.125 RM 107.2 PL CAP Chicago Chicago Repeater [R25] FMNe Aircraft
148.125 RM 430 NAC CAP Chicago P25 Chicago Repeater [R25P] [$FFF also reported] P25e Aircraft
Coast Guard

A more complete list is at US Coast Guard

FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.1375 BM 293 NAC USCG NET 113 Boarding Operations, etc. P25 Military
164.900 BM 293 NAC USCG NET 118 Law Enforcement / Operations Net 118 P25 Military
171.2375 BM 293 NAC USCG NET 127 Sector Lake Michigan P25 Military
412.975 BM 293 NAC USCG NET 409 Lake Michigan Aviation Primary Net 409 P25 Military
Illinois National Guard
STARCOM21 Statewide Illinois
Project 25 Phase II		The Illinois National Guard conducts a directed net of armories and other facilities on the first Wednesday of each month at 9:00 AM on TG 30341 (ITTF Incident 5).
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
150.6875 RM 103.5 PL NRvrsdeArmy North Riverside Armory (OOS?) FMN Military
Miscellaneous
FrequencyLicenseTypeToneAlpha TagDescriptionModeTag
163.000 RM USN Blue Ang A US Navy: Blue Angels Ground (2004) FMN Military
164.900 RM USN Blue Ang B US Navy: Blue Angels Ground FMN Military
170.900 RM USN Blue Ang C US Navy: Blue Angels (2003) FMN Military
413.000 RM USAF T-Birds P25 USAF Thunderbirds Demo Team Ground P25 Military
413.275 RM CSQ USAF T-Birds A USAF Thunderbirds Demo Team Ground FMN Military