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St Louis Regional Airport frequencies

Radio frequencies for St Louis Regional Airport (ALN · KALN) in Alton/St Louis, IL — tower, ground, ATIS, CTAF, and approach/departure for your radio setup.

Tower & ground Regional

ATIS128.0
ASOS/AWOS128.0
Clearance120.2 (WHEN TWR CLSD)
Ground120.2
Tower126.0
CTAF126.0
UNICOM122.95

Approach & departure Saint Louis

App/Dep124.2
By procedure & sector (6 more)
119.15FARMR STAR
128.1DELMA STAR
239.0LCL/P
307.05DELMA STAR
335.5FARMR STAR
353.9APCH/P DEP/P

Frequencies from FAA NASR. For planning and education only; always verify against official sources.