Wisconsin Aviation Frequencies

KMKE – General Mitchell International Airport – Milwaukee

UNICOM: 122.95
ATIS: 126.4
MILWAUKEE GROUND: 121.8 263.125
MILWAUKEE TOWER: 119.1 325.8
MILWAUKEE APPROACH: 118.0(B) 126.5(A) 307.0(A) 317.725(B)
MILWAUKEE DEPARTURE: 119.65(B) 125.35(A) 307.0(A) 317.725(B)
CLEARANCE DELIVERY: 120.8
128ARW (ANG) CMD POST: 321.0 UPSET CTL
AS ASSIGNED: 127.85
CLASS C: 118.0(B) 317.725(B)
CLASS C IC: 126.5(A) 307.0(A)
EMERG: 121.5 243.0
OPNS: 139.5 311.0

KMWC – Lawrence J. Timmerman Airport – Milwaukee

CTAF: 120.5
UNICOM: 122.95
ATIS: 128.3
TIMMERMAN GROUND: 121.7 [0700-2100]
TIMMERMAN TOWER: 120.5 [0700-2100]
MILWAUKEE APPROACH: 128.7 NORTH
MILWAUKEE DEPARTURE: 128.7 NORTH
CLEARANCE DELIVERY: 121.7

KGRB – Green Bay Austin Straublel International Airport

CTAF: 118.7
UNICOM: 122.95
ATIS: 124.1
GREEN BAY GROUND: 121.9 [0530-2330]
GREEN BAY TOWER: 118.7 257.8 [0530-2330]
GREEN BAY APPROACH: 119.4 338.2 [0530-2330]
GREEN BAY DEPARTURE: 126.55 [0530-2330]
CLEARANCE DELIVERY: 121.75
CLASS C: 119.4 338.2
EMERG: 121.5 243.0
APCH & DEP MINNEAPOLIS ARTCC 125.55/370.9

KOSH – Wittman Regional Airport Oshkosh

CTAF: 118.5
UNICOM: 122.95
ATIS: 125.9
WX ASOS: 125.90
OSHKOSH GROUND: 121.9 [0600-2200]
OSHKOSH TOWER: 118.5 257.6 [0600-2200]
EMERG: 121.5 243.0
APCH/DEP CHICAGO ARTCC 127.0/387.1

Also, the ARTCC ( centers ) are listed in the state they are based. Be sure to check adjacent states for some other frequencies in your area.

If you have a frequency list for Wisconsin, Please email it to: mgdell@gmail.com