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122.95 MHz.
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118.7 MHz.
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119.45 MHz.
UAV CampusAdministrator
At Sioux Gateway/Col Day (N42°20.67' W96°19.42'), which frequency should be used as a Common Traffic Advisory Frequency (CTAF) to self-announce position and intentions when the control tower is closed?
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118.7 MHz.
According to the chart, the CTAF frequency next to the circle “C” symbol is 118.7 MHz. For more information, refer to the “Airport Depiction” videos.