St. Louis Lambert International Airport (STL) (St. Louis County) Scanner Frequencies and Radio Frequency Reference

St. Louis Lambert International Airport (STL) (St. Louis County)

Last Updated: July 14, 2025, 01:02 am UTC

See the WIKI for more information, Also see Hotels
Lambert Airport is actually owned by the city of St Louis.
AMR Abbott EMS serves the Airport via contract. Airport has their own police, but St. Louis County Police also have jurisdiction. Metro Public Safety also serves the MetroLink platform areas.

123.025

Air-to-Air (Helicopter common use around St Louis hospitals, for helipad coordination)

Frequencies

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All

New/Updated

Show Repeater Inputs

St. Louis Lambert International Airport (STL)

Federal (TSA/Customs)

Also see the county Federal page

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
164.7875	BM	131.8 PL	STL TSA Chkpnt A	Checkpoint A	FMN	Federal
169.1625	BM	123.0 PL	STL TSA 1691625	Operations	FMN	Federal
172.150	BM	001 NAC	STL TSA 17215 N1	Operations	P25	Federal
172.150	BM	004 NAC	STL TSA 17215 N4	Operations	P25	Federal
172.150	BM	123.0 PL	STL TSA 17215 PL	Operations	FMN	Federal
413.1125	F		STL FAA SAWS	Stand Alone Weather System (SAWS) Data [Federal Aviation Administration (FAA)]	Telm	Data

St. Louis Airport Authority

Missouri Statewide Wireless Interoperable Network (MOSWIN)
Project 25 Phase II

Security and most other operations

Frequency	License	Type	Alpha Tag	Description	Mode	Tag
463.6375	WPWE851	BM	STL AA Ops 1	Operations	FMN	Public Works
453.550	KUU495	BM	STL AA Ops 2	Operations/Maintenance (High Power)	FMN	Public Works
453.7625	WPUS385	F	STL AA Data 1	Data Bursts (CSQ)	Telm	Data
173.2375	WFS749	F	STL AA Data 2	Data (CSQ)	Telm	Data
173.3625	WGT318	F	STL AA Data 3	Data (CSQ)	Telm	Data
173.2875	WFS749	F	STL AA Data 4	Data (CSQ)	Telm	Data
173.39625	WGT318	F	STL AA Data 5	Data (CSQ)	Telm	Data

Public Safety

Air Traffic Control

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
125.025	B	CSQ	STL ATIS	Automatic Terminal Information Service (ATIS)	AM	Aircraft
119.500	BM	CSQ	STL ClrncDel	Clearance Delivery	AM	Aircraft
121.900	BM	CSQ	STL Ground-I	Ground - Inbound	AM	Aircraft
121.650	BM	CSQ	STL Ground-O	Ground - Outbound	AM	Aircraft
118.925	BM	CSQ	STL Ground-W	Ground - West	AM	Aircraft
127.550	BM	CSQ	STL Meter-E	Metering - East	AM	Aircraft
121.075	BM	CSQ	STL Meter-W	Metering - West	AM	Aircraft
120.050	BM	CSQ	STL Tower-N	Tower - North	AM	Aircraft
118.500	BM	CSQ	STL Tower-S	Tower - South	AM	Aircraft
132.475	BM	CSQ	STL Tower-W	Tower - West	AM	Aircraft

St. Louis Terminal Radar Approach Control (T75 TRACON)

Also see Scott AFB, IL for St Louis App/Dep remote transmitter for 125.2/126.95

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
119.150	BM	CSQ	STL Dep-N	North Departures	AM	Aircraft
128.100	BM	CSQ	STL Dep-S	South Departures	AM	Aircraft
132.125	BM	CSQ	STL App-N	North Feeder (Initial Approach)	AM	Aircraft
121.025	BM	CSQ	STL App-S	South Feeder (Initial Approach) effective 5 May	AM	Aircraft
124.250	BM	CSQ	STL Final-N	North Final	AM	Aircraft
126.550	BM	CSQ	STL Final-S	South Final	AM	Aircraft
123.700	BM	CSQ	CPS Arr/Dep	App/Dep (Low East Sector)	AM	Aircraft
124.200	BM	CSQ	ALN Arr/Dep	App/Dep (Low North Sector)	AM	Aircraft
126.500	BM	CSQ	SUS Arr/Dep	App/Dep (Low West Sector)	AM	Aircraft
125.100	BM	CSQ	STL Approach**	Approach (1/3/19)	AM	Aircraft

Airport Services - Miscellaneous

WRZN856 Worldwide Flight Services 460.7125 Repeater (DMR)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
464.425	WPXL918	RM	331 DPL	ArprtTermSrv	Airport Terminal Services	FMN	Business
154.515	WQOX861	BM	74.4 PL	Allied Fueling S	Allied Aviation: Fueling Services	FMN	Business
131.275		BM	CSQ	De-Ice Truck STL	De-Ice Trucks	AM	Business
464.500		M	100.0 PL	Huntleigh STL	Huntleigh (Wheelchairs)	FM	Business

Parking / Transit / Valet / Rental Cars

See the WIKI for unidentified frequencies and DMR Radio IDs, etc.

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
451.9125	WQYM453	RM	CC 8 TG 10 SL 2	Avis Rental 10	Avis Budget	DMR	Business
451.9125	WQYM453	RM	CC 8 TG 20 SL 1	Avis Rental 20	Avis Budget	DMR	Business
452.4875	WQYM453	RM	CC 9 TG 30 SL 1	Avis Rental 30	Avis Budget	DMR	Business
461.100	WNRE281	RM	156.7 PL	CentralParking A	Central Parking	FMN	Transportation
460.8875	WNRE281	RM		CentralParking B	Central Parking (Phone Patch)	FMN	Transportation
452.0875	WRWD573	RM		Enterprise RAC 1	Enterprise Rent-A-Car: Ops/Shuttle	FMN	Transportation
452.7875	WRWD573	RM		Enterprise RAC 2	Enterprise Rent-A-Car: Ops/Shuttle	FMN	Transportation
456.6125	WRWD573	BM		Enterprise RAC 3	Enterprise Rent-A-Car: Ops/Shuttle	FMN	Transportation
461.500	WQWV487	RM	CC 9 TG 1000 SL 1	EZ Park St Ann	EZ Park (St. Ann)	DMR	Transportation
464.675	WNAJ283	RM	503 DPL	Hertz RAC 1	Hertz: Car Rental Ops / Shuttles	FMN	Business
464.150	WQTZ267	RM	CC 1 TG 1 SL 1	Parking Spot A1	The Parking Spot: Transit Ops	DMR	Transportation
452.675	WQTY786	RM	CC 11 TG 1 SL 1	Parking Spot B1	The Parking Spot: Ops	DMR	Transportation
452.675	WQTY786	RM	CC 11 TG 2 SL 2	Parking Spot B2	The Parking Spot: Ops	DMR	Transportation
461.350	WQWW466	RM	CC 1 TG 1 SL 1	Parking Spot C1	The Parking Spot: Shuttle	DMR	Transportation
464.625	WQTY786	RM		Parking Spot D1	The Parking Spot: Ops (not CC11)	DMR	Transportation
464.625	WQTY786	RM		Parking Spot D2	The Parking Spot: Ops (not CC11)	DMR	Transportation

Airlines

American Airlines

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
460.875	WYS888	RM	CC 7 TG 9 SL *	AA Ops TG 9 Enc	Operations	DMRE	Business
460.700	WQOW669	RM		AA 460.7**	American Airlines (was US Airways-in use)	DMR	Business
460.800	KNDF481	BM		AA Rmp/Bag2	Ramps/Baggage Operations	FMN	Business
460.750	WNMM927	RM	127.3 PL	AA Rmp/Bag3	Ramps/Baggage Operations	FMN	Business
460.850	WNLX679	RM		AA Rmp/Bag4	Ramps/Baggage Operations	FMN	Business
460.9675	WNLX679	RM		AA Rmp/Bag5	Ramps/Baggage Operations (possible low power repeater)	FMN	Business
460.9125	WYS888	RM		AA Rmp/Bag7	Ramps/Baggage Operations (possible low power repeater)	FMN	Business
460.9375	WYS888	RM		AA Rmp/Bag8	Ramps/Baggage Operations (possible low power repeater)	FMN	Business
460.9875	WYS888	RM		AA Rmp/Bag9	Ramps/Baggage Operations (possible low power repeater)	FMN	Business
129.625	WYQ9	BM	CSQ	AA Ops	American: Operations	AM	Aircraft
129.775	WYQ9	BM	CSQ	AA RampCtl W	American: Ramp Control - West (Concourse C Odd Gates)	AM	Aircraft
130.625	WBI9	BM	CSQ	AA RampCtl E	American: Ramp Control - East (Concourse C Even Gates)	AM	Aircraft
131.100	KDG9	BM	CSQ	TS Waterski1	Trans States ("Waterski") - Operations	AM	Aircraft
131.625	WZZ8	BM	CSQ	TS Waterski2	Trans States ("Waterski")	AM	Aircraft

Delta Air Lines

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
460.825	KCB390	RM	115 DPL	DeltaGrndOps	Operations	FM	Business
129.650		BM	CSQ	Delta AirOps	Operations	AM	Aircraft

Southwest

Southwest Airlines - Lambert St Louis (MO)
DMR Motorola Capacity Plus Single Site (TRBO)

Communications (some may be encrypted)

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
461.475	WQGE999	M		SWA Ops 1	Operations	FMN	Business
461.625	WQGE999	M		SWA Ops 2	Operations	FMN	Business
461.800	WQGE999	M		SWA Ops 3	Operations	FMN	Business
461.850	WQGE999	M		SWA Ops 4	Operations	FMN	Business
462.200	WQGE999	M		SWA Ops 5	Operations	FMN	Business
130.125	KIB7	BM	CSQ	SWA Air	Southwest	AM	Aircraft

Other Airlines

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
129.450	WEZ3	BM	CSQ	ARINC SF RADIO	ARINC San Francisco Radio	AM	Aircraft
464.6125	WQGU742	RM	226 DPL	AirTran	AirTran Airways	FMN	Deprecated
467.7325		M	67.0 PL	Cape Air	Cape Air: Ops	FMN	Business
460.800	WPRK368	M		Chaut Air 2	Chautauqua Airlines	FMN	Business
460.875	WPRK368	M	023 DPL	Chaut Air 3	Chautauqua Airlines	FMN	Business
130.750	WRE9	BM	CSQ	DHL	DHL	AM	Aircraft
461.1125	KB74412	RM		FedEx Ops	FedEx	FMN	Business
460.8875	WPZN263	RM		Front Air	Frontier Airlines	FMN	Business
460.8875	WPZN263	RM		Frontier Air	Operations	FMN	Business
131.350	KCT2	BM	CSQ	SFS STL AIRNC	Signature Flight Services: AIRNC	AM	Aircraft
464.525	WPGU535	RM	CC 2 TG 1 SL 1	United DMR A	United Airlines: Gate / Ramp Ops	DMR	Business
463.3625		RM	331 DPL	4633625 D331	airlines - loading (giving passenger weights)	FMN	Business

Airport Related Companies

Boeing

See Industrial/Manufacturing

Boeing Company (Hazelwood)
Motorola Type II Smartnet

Operations

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
123.200	BM	CSQ	Boeing FT 1	Flight Test: Air-to-Ground	AM	Aircraft
275.200	BM	CSQ	Boeing FT 2	Flight Test: Air-to-Ground	AM	Aircraft
314.600	BM	CSQ	Boeing FT 3	Flight Test: Air-to-Ground	AM	Aircraft
361.400	BM	CSQ	Boeing FT 4	Flight Test: Air-to-Ground	AM	Aircraft
373.500	BM	CSQ	Boeing FT 5	Flight Test: Air-to-Ground	AM	Aircraft
382.600	BM	CSQ	Boeing FT 6	Flight Test: Air-to-Ground	AM	Aircraft
326.000	BM	CSQ	Boeing FT 7	Flight Test (simulcast of TRS TG42160)	AM	Aircraft

Miscellaneous

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
467.850	WPTS302	M	192.8 PL	Midcoast StL	Midcoast Aviation: Portables	FMN	Business

Servisair

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
451.300	WQPP659	RM	432 DPL	Servisair Ops	Operations (LP R)	FMN	Business

Military

St Louis Airport and TRACON (T75) Military ATC

Also see Scott AFB, IL for St Louis App/Dep remote transmitter for 281.5/360.65

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
335.500	BM	CSQ	STL Dep-N	STL North Departures	AM	Aircraft
307.050	BM	CSQ	STL Dep-S	STL South Departures	AM	Aircraft
360.600	BM	CSQ	STL App-N	STL North Feeder (Initial Approach)	AM	Aircraft
338.250	BM	CSQ	STL App-S	STL South Feeder (Initial Approach)	AM	Aircraft
270.350	BM	CSQ	STL Final-N	STL North Final Approach	AM	Aircraft
379.100	BM	CSQ	STL Final-S	STL South Final Approach	AM	Aircraft
371.875	BM	CSQ	CPS Arr/Dep	STL App/Dep (Low East Sector)	AM	Aircraft
353.900	BM	CSQ	ALN App/Dep	STL App/Dep (Low North Sector)	AM	Aircraft
254.300	BM	CSQ	SUS App/Dep	STL App/Dep (Low West Sector)	AM	Aircraft
284.600	BM	CSQ	STL Twr-N	Tower - North	AM	Aircraft
257.700	BM	CSQ	STL Twr-S	Tower - South	AM	Aircraft
239.275	BM	CSQ	STL Twr-W	Tower - West	AM	Aircraft
348.600	BM	CSQ	STL Gnd	Ground Control	AM	Aircraft
306.200	BM	CSQ	STL Gnd	Ground Control	AM	Aircraft
360.200	BM	CSQ	STL Gnd	Ground Control	AM	Aircraft
227.125	BM	CSQ	STL GrndWUHF	Ground Control - West	AM	Aircraft
363.100	BM	CSQ	STL ClearUHF	Clearance Delivery	AM	Aircraft
379.925	BM	CSQ	STL ATIS UHF	Automatic Terminal Information Service (ATIS)	AM	Aircraft

Missouri Air National Guard - 131st Fight Wing (F-15's)

Frequency	Type	Tone	Alpha Tag	Description	Mode	Tag
148.075	RM		ANG Flghtln	Flightline (Repeater)	FM	Military
228.450	M	CSQ	ANG Air2Air	Air-to-Air	AM	Military
240.150	M	CSQ	ANG A2A-1	Tac: Air-to-Air 1	AM	Military
297.900	BM	CSQ	ANG Ops A2G	Operations: Air-to-Ground	AM	Military
299.500	M	CSQ	ANG A2A-2	Tac: Air-to-Air 2	AM	Military