Frequencies at Seattle–Tacoma International Airport

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A/D

119.2 MHz

APP/DEP

CLD

128 MHz

CLNC DEL

CTAF

118.5 MHz

Oshosh traffic

D-ATIS

118 MHz

Digital ATIS

GND

121.7 MHz

Seattle Ground

TWR

119.9 MHz

Seattle Tower

UNIC

122.95 MHz

UNICOM

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