Mason County, Illinois (IL) Scanner Frequencies and Radio Frequency Reference

Mason County, Illinois

Last Updated: April 11, 2026, 03:24 am UTC

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Entity	Entity Type
Mason County Trunked Systems (2)	Trunked
Mason County	Category
EMS Agencies and Hospitals	Category
Municipalities and Districts	Category
Schools	Category
Airports	Category
Businesses, Attractions and Recreation	Business Group

See the WIKI for unconfirmed frequencies and more information

Illinois State Police Troop 6? (was District 9)

Frequencies

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New/Updated

Show Repeater Inputs

Mason County

County Government

155.58 - Dispatcher in the clear, mobiles encrypted. See the WIKI for new Repeaters, more info, and NXDN Radio IDs

WQOI776 - 159.135 input frequency (to 154.34R) has been modified to 158.835 (2/25)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.580	WSHF679	RM	55 RAN	MasonCo Sheriff	Sheriff: Dispatch (Teheran)	NXDN48e	Law Dispatch
158.895	WSHF679	F	127.3 PL	Mason Shrf InC	Sheriff: Remote Input Tone	FMN	Law Dispatch
158.895	WSHF679	F	114.8 PL	Mason Shrf InB	Sheriff: Remote Input Tone	FMN	Law Dispatch
158.895	WSHF679	F	110.9 PL	Mason Shrf InA	Sheriff: Remote Input Tone	FMN	Law Dispatch
173.275		M	CSQ	Mason Shrf MXA	Sheriff: Mobile Extenders	FMN	Law Dispatch
173.375		M	516 DPL	Mason Shrf MXB1	Sheriff: Mobile Extenders (Havana)	FMN	Law Dispatch
173.375		M	74.4 PL	Mason Shrf MXB2	Sheriff: Mobile Extenders	FMN	Law Dispatch
467.9125		M	114.8 PL	Mason Shrf MXD	Sheriff: Mobile Extenders	FMN	Law Dispatch
467.9125		M	CSQ	Mason Shrf MXC	Sheriff: Mobile Extenders	FMN	Law Dispatch
467.8875		M	306 DPL	Mason Shrf MXE	Sheriff: Mobile Extenders	FMN	Law Dispatch
462.700		F	225.7 PL	Mason Shrf MXF	Sheriff: Mobile Extenders (GMRS)	FMN	Law Dispatch
151.3025	WSHF679	RM		Mason Shrf Law	Sheriff / Law (San Jose)	NXDN48	Law Dispatch
155.970	KBG225	M	155 DPL	Mason Shrf Jail	Sheriff: Jail	FMN	Corrections
155.745	WPGW802	B	162.2 PL	Mason Co ESDA	ESDA/Dive Team Paging	FMN	Emergency Ops
154.340	WQOI776	RM	77.0 PL	Mason Fire/EMS	Fire/EMS: Dispatch - Countywide	FMN	Fire Dispatch
159.135	WQOI776	F	241.8 PL	Mason Fire RF A	Fire/EMS: Sheriff/911 (Havana) to Remote Tower	FMN	Fire Dispatch
461.4125	WQYX915	F	074 DPL	Mason Fire RF C	Fire/EMS: RF Link to 154.34 (Forman Ambulance)	FMN	Fire Dispatch
461.4125	WQYX915	F	77.0 PL	Mason Fire RF B	Fire/EMS: RF Link to 154.34	FMN	Fire Dispatch
151.025		M	123.0 PL	Mason Fire MX	Fire: Mobile Extenders to 154.34 (other tones?)	FMN	Fire Dispatch
151.3025	WQYM949	RM	162.2 PL	Masn Highway A	Road Maintenance (Teheran)	FMN	Public Works
156.105	KCY591	RM	162.2 PL	Masn Highway B	Road Maintenance	FMN	Public Works

EMS Agencies and Hospitals

Mason District Hospital (Havana)

153.4325 125W Repeater at Teheran WSAH741 (NXDN,P25,NFM) for Hospital Activities, associated with KNAB277 (input 158.295 mobiles, not officially on license)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.220	KNAB277	B	192.8 PL	Mason EMS PG	EMS: Paging	FMN	EMS Dispatch
155.355	KNAB277	BM	192.8 PL	Mason EMS	EMS: Paging / Dispatch	FMN	EMS Dispatch
152.0075	KNAB277	B		MDH Paging	Paging	Telm	Data
155.340	KNAB277	B	192.8 PL	MERCI1 192.8	Patient Reports / Medical Control	FMN	Hospital

Municipalities and Districts

Townships and Water Districts

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.760	WQNV499	RM	162.2 PL	Havana Twp Roads	Havana Township Roads (Havana)	FMN	Public Works
453.175	WQFW856	RM	131.8 PL	ManitoTwp Roads	Manito Township Road District	FMN	Public Works

Forest City

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.940	WQDU461	BM		FC EMA Siren	ESDA: Warning Sirens	FMN	Emergency Ops

Havana

New VHF Police Repeater, listed in the WIKI

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
453.450	KUV920	RM	167.9 PL	Havana Police	Police: Dispatch	FMN	Law Dispatch
452.750	WPPB557	M	023 DPL	ADM Havana B	ADM Growmark/Grain Company: Ops (Havana)	FMN	Business
453.000	WPPB557	RM	174 DPL	ADM Havana A	ADM Growmark/Grain Company: Ops (Havana)	FMN	Business
461.325	WQQE593	F		SI Data Havana	Stevens Implement (CSQ Narrow Data) (Havana)	Telm	Data

Manito

Forman Fire/EMS - See the WIKI for additional frequencies, IDAS radio info and Unit IDs

STARCOM21 Statewide Illinois
Project 25 Phase II

Foreman FPD reportedly using talkgroups 5064-5065. Foreman Ambulance VHF dispatch (151.2275 NXDN?) being multicast on talkgroup 37452. Dispatched by Mason County (12/25)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
151.2275	KDK714	RM	5 RAN	Forman Ambulance	EMS: Dispatch / Ops [TG 1]	NXDN48	EMS Dispatch
151.3175	KDK714	RM	3 RAN	Forman Fire/EMS	Fire/EMS: Operations	NXDN48	EMS-Tac
469.550		M	074 DPL	Mason Fire MX B	(Link from Havana to) 151.2275? EMS	FMN	EMS Dispatch

Mason City

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.835	WPEZ937	BM	74.4 PL	MasonCity Local	Local Government	FMN	Public Works

San Jose

Police dispatched by Mason County on 154.34 77.0 PL. See the WIKI for more info

Schools

Havana School District 126

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
154.8525	WQYC631	RM	CC 3 TG 62644 SL 1	Havana Schools	Buses / Operations	DMR	Schools
160.020	WQDF257	BM		DurhamSchBus Hav	Durham School Bus	FMN	Schools

Illinois Central Community Unit School District 180

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
152.9225	WQFU352	RM	565 DPL	IllCntrl Sch	Buses / Operations	FMN	Schools

Midwest Central School District 91 (Manito)

See the WIKI for new info

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
155.295	WNRF445	BM	167.9 PL	FS Bus Manito	First Student Buses	FMN	Schools
462.5625		M	023 DPL	Midwest Prim Sch	Primary School - Admin / Ops	FMN	Schools
451.0875	WQZP515	RM	CC 5 TG 230 SL 1	Midwest Schools	Operations	DMR	Schools

Airports

Havana Regional Airport [9I0]

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
122.900		BM	CSQ	9I0 CTAF	CTAF	AM	Aircraft

Manito Mitchell Airport [C45]

124.675 for Peoria Approach/Departure

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
122.800		BM	CSQ	C45 CTAF	CTAF/UNICOM [NL]	AM	Aircraft