Airports (Washington County) Scanner Frequencies and Radio Frequency Reference

Airports (Washington County)

Last Updated: April 6, 2026, 01:26 am UTC

Frequencies

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Hartford Municipal Airport

Air Traffic Control

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
123.000		BM		CTAF	CTAF	AM	Aircraft
126.500		BM		MKE APP	Milwaukee KMKE Approach Control	AM	Aircraft

West Bend Municipal Airport (ETB)

Air Traffic Control

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
307.000		BM	CSQ	Approach/Dep U	Approach/Departure U	AM	Aircraft
125.350		BM	CSQ	Approach/Dep V	Approach/Departure V	AM	Aircraft
120.000		B	CSQ	AWOS	Automated Weather Observing System (AWOS)	AM	Aircraft
124.750		BM	CSQ	Clearance De	Clearance Delivery	AM	Aircraft
123.050		BM	CSQ	Unicom	Common Traffic Advisory Frequency (CTAF)/Unicom	AM	Aircraft
255.400		BM	CSQ	Flight Service U	Flight Service Station U	AM	Aircraft
122.100		BM	CSQ	Flight Service V	Flight Service Station V	AM	Aircraft

Wisconsin National Guard

WING maintains an aviation operation at the West Bend Airport

Wisconsin Interoperable System for Communications (WISCOM)
Project 25 Phase I

WING has extensive use of WISCOM for operations as well

Frequency	License	Type	Tone	Alpha Tag	Description	Mode	Tag
40.800		BM		Aviation Ops	Aviation Operations	AM	Aircraft
40.900		BM		Aviation Ops	Aviation Operations	AM	Aircraft
41.600		BM		Aviation Ops	Aviation Operations	AM	Aircraft
46.700		BM		Aviation Ops	Aviation Operations	AM	Aircraft
123.050		BM		Aviation Ops	Aviation Operations	AM	Aircraft
123.450		BM		Aviation Ops	Aviation Operations	AM	Aircraft
240.300		BM		Aviation Ops	Aviation Operations	AM	Aircraft
241.000		BM		Aviation Ops	Aviation Operations	AM	Aircraft