Federal Government / Military (Illinois) Scanner Frequencies and Radio Frequency Reference

Federal Government / Military (Illinois)

Last Updated: June 10, 2025, 00:10 am UTC

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Please check all frequencies for NAC to replace current listed PL tones.

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
170.500	RM	6CA NAC	SNF BaldKnob	Bald Knob (Helicopter Surveys)	P25	Federal
170.500	RM	788 NAC	SNF WillHill	Williams Hill	P25	Federal
168.675	M	103.5 PL	SNF Simplex	Simplex	FMN	Federal
168.675	RM	103.5 PL	SNF BldKnob2	Bald Knob [Ch 2]	FMN	Federal
168.675	RM	103.5 PL	SNF WlmsHil2	Williams Hill [Ch 3]	FMN	Federal
168.675	RM	103.5 PL	SNF RoseBud	Rose Bud/Gum Ridge [Ch 4]	FMN	Federal
168.675	RM	103.5 PL	SNF BeanRidg	Bean Ridge [Ch 5]	FMN	Federal
168.675	RM	103.5 PL	SNF BldKnob3	Bald Knob Linked [Ch 6]	FMN	Federal
168.675	RM	103.5 PL	SNF WlmsHil3	Williams Hill Linked [Ch 7]	FMN	Federal
168.200	BM	CSQ	SNF Tac 2	Tactical 2 [Ch 8]	FMN	Federal
166.675	BM	CSQ	SNF Air Tac 1	Air Tactical 1 [Ch 9]	FMN	Federal
169.150	BM	CSQ	SNF Air Tac 2	Air Tactical 2 [Ch 10]	FMN	Federal
168.625	BM	CSQ	SNF AirGuard	Air Guard [Ch 11]	FMN	Federal
163.100	BM	114.8 PL	SNF Common1	Common Use 1 [Ch 12]	FMN	Federal
168.350	BM	127.3 PL	SNF Common2	Common Use 2 [Ch 13]	FMN	Federal
168.650	BM	CSQ	SNF Flight	Flight Following [Ch 14]	FMN	Federal
168.175	F	192.8 PL	SNF BldKnob1	Bald Knob to Williams Hill: Link	FMN	Federal
168.175	F	173.8 PL	SNF WlmsHil1	Williams Hill to Bald Knob: Link	FMN	Federal

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
164.825		RM		NPS Lincoln Home	Operations (or 168.175 in)	FMN	Federal

Illinois wing CAP units are called "Red Fox" (Wing Tactical call) Complete CAP Channel Plan

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
148.125	RM		CAP IL P25	Primary Digital	P25	Military
148.125	RM	CSQ	CAP IL Analog	Primary Repeater	FMN	Military
148.150	RM		CAPIL BckpP25	Secondary Repeaters P25 (Multiple Locations)	P25	Military
148.150	RM	CSQ	CAPIL BckupAn	Secondary Repeaters analog (Multiple Locations)	FMN	Military

Located in St. Clair County, IL, near St. Louis, MO; next to Mid-America Airport. See the SAFB Database page

Operations

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
412.875	M		AcoE HH 1	Lock and Dam/Corp Vessel-On Board [Handhelds Ch 1]	FMN	Military
407.5625	M		AcoE HH 2	Lock and Dam/Corp Vessel-On Board [Handhelds Ch 2]	FMN	Military
408.875	M		AcoE HH 3	Lock and Dam/Corp Vessel-On Board [Handhelds Ch 3]	FMN	Military
409.875	M	127.3 PL	AcoE HH 4	Lock and Dam/Corp Vessel-On Board [Handhelds Ch 4]	FMN	Military
157.125	BM		Marine Ch 8	District Marine Radio Ops [Marine Ch. 82A]	FM	Military
163.4125	RM	103.5 PL	ACoE LD SIL	Lock and Dam (Alton?, Clinton County)	FMN	Military
163.4125	RM	127.3 PL	ACoE LD RI	Lock and Dam - Rock Island Area	FMN	Military
163.4375	M		ACoE Lk c2c	Lakes / Reserviors / Car-to-Car	FMN	Military
163.4375	RM	127.3 PL	ACoE LD14	Coralville Reservoir Rangers - Lock and Dam 14	FMN	Military